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砂塵環(huan)境試驗(yan)設(she)備(bei)中顆(ke)粒濃度場的實驗(yan)研究

分(fen)(fen)(fen)(fen)析(xi)上(shang)(shang)(shang)(shang)述參(can)(can)數(shu)(shu)實(shi)(shi)(shi)(shi)(shi)(shi)際(ji)(ji)上(shang)(shang)(shang)(shang)就(jiu)(jiu)(jiu)足(zu)(zu)研(yan)(yan)(yan)，氣(qi)(qi)(qi)(qi)(qi)(qi)固(gu)(gu)(gu)(gu)兩(liang)(liang)(liang)(liang)(liang)相(xiang)流(liu)(liu)(liu)(liu)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)顆(ke)(ke)(ke)(ke)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)速(su)(su)(su)度(du)(du)(du)(du)(du)(du)(du)(du)場(chang)(chang)(chang)(chang)(chang)以(yi)及(ji)(ji)濃(nong)(nong)(nong)(nong)度(du)(du)(du)(du)(du)(du)(du)(du)場(chang)(chang)(chang)(chang)(chang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)變(bian)化(hua)規(gui)，國(guo)軍(jun)標砂(sha)(sha)(sha)塵(chen)環(huan)(huan)境(jing)試(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)規(gui)記，含(han)(han)砂(sha)(sha)(sha)固(gu)(gu)(gu)(gu)兩(liang)(liang)(liang)(liang)(liang)相(xiang)流(liu)(liu)(liu)(liu)在(zai)(zai)(zai)撞忐試(shi)(shi)件(jian)，收稿(gao)日(ri)期200哚31砂(sha)(sha)(sha)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)速(su)(su)(su)度(du)(du)(du)(du)(du)(du)(du)(du)和(he)氣(qi)(qi)(qi)(qi)(qi)(qi)流(liu)(liu)(liu)(liu)流(liu)(liu)(liu)(liu)速(su)(su)(su)叢本(ben)(ben)相(xiang)等。，時(shi)(shi)砂(sha)(sha)(sha)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)近(jin)(jin)(jin)(jin)似(si)均(jun)勻(yun)地(di)懸浮在(zai)(zai)(zai)氣(qi)(qi)(qi)(qi)(qi)(qi)流(liu)(liu)(liu)(liu)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)。這(zhe)(zhe)些(xie)參(can)(can)數(shu)(shu)反(fan)映了(le)(le)(le)氣(qi)(qi)(qi)(qi)(qi)(qi)閥兩(liang)(liang)(liang)(liang)(liang)相(xiang)流(liu)(liu)(liu)(liu)復雜(za)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)空間特忡。難以(yi)通過(guo)理(li)(li)論模型(xing)來(lai)(lai)描述。　　只有(you)(you)(you)采用(yong)(yong)(yong)(yong)理(li)(li)論分(fen)(fen)(fen)(fen)析(xi)與(yu)實(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)研(yan)(yan)(yan)宄(gui)相(xiang)結(jie)(jie)合(he)(he)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)方(fang)法(fa)，才能(neng)(neng)確定(ding)砂(sha)(sha)(sha)塵(chen)設備(bei)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)些(xie)設計(ji)參(can)(can)數(shu)(shu)，如加砂(sha)(sha)(sha)方(fang)式(shi)和(he)加砂(sha)(sha)(sha)段(duan)距(ju)(ju)離(li)等。　　1實(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)裝置(zhi)(zhi)及(ji)(ji)實(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)方(fang)法(fa)木實(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)是(shi)(shi)(shi)在(zai)(zai)(zai)同科(ke)學(xue)(xue)(xue)(xue)院寒(han)早區(qu)(qu)(qu)(qu)(qu)環(huan)(huan)境(jing)與(yu)工(gong)程(cheng)研(yan)(yan)(yan)宄(gui)所(suo)(suo)(suo)(suo)沙漠研(yan)(yan)(yan)宄(gui)所(suo)(suo)(suo)(suo)室內風(feng)(feng)(feng)(feng)(feng)沙環(huan)(huan)境(jing)風(feng)(feng)(feng)(feng)(feng)洞(dong)(dong)(dong)(dong)(dong)進(jin)(jin)(jin)行(xing)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)。它(ta)是(shi)(shi)(shi)座直(zhi)(zhi)流(liu)(liu)(liu)(liu)閉口吹氣(qi)(qi)(qi)(qi)(qi)(qi)式(shi)低速(su)(su)(su)風(feng)(feng)(feng)(feng)(feng)洞(dong)(dong)(dong)(dong)(dong)，實(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)段(duan)長16.23叫(jiao)(jiao)實(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)段(duan)矩(ju)型(xing)斷面(mian)(mian)(mian)(mian)(mian)為(wei)寬，高=1.，父0.6進(jin)(jin)(jin)口軸(zhou)(zhou)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)指風(feng)(feng)(feng)(feng)(feng)速(su)(su)(su)1.535.0，連續可(ke)(ke)調(diao)，風(feng)(feng)(feng)(feng)(feng)洞(dong)(dong)(dong)(dong)(dong)為(wei)木質框架結(jie)(jie)構(gou)，實(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)段(duan)兩(liang)(liang)(liang)(liang)(liang)側(ce)壁和(he)頂(ding)部(bu)(bu)由(you)(you)(you)裝有(you)(you)(you)鋼(gang)(gang)化(hua)玻璃的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)活動(dong)(dong)(dong)窗戶所(suo)(suo)(suo)(suo)構(gou)成(cheng)(cheng)，而(er)(er)(er)(er)風(feng)(feng)(feng)(feng)(feng)洞(dong)(dong)(dong)(dong)(dong)底部(bu)(bu)則(ze)由(you)(you)(you)多(duo)(duo)(duo)層膠合(he)(he)板所(suo)(suo)(suo)(suo)組成(cheng)(cheng)。本(ben)(ben)實(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)系(xi)統1所(suo)(suo)(suo)(suo)訴。風(feng)(feng)(feng)(feng)(feng)洞(dong)(dong)(dong)(dong)(dong)主(zhu)風(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)是(shi)(shi)(shi)臺(tai)(tai)離(li)心(xin)(xin)風(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)，砂(sha)(sha)(sha)塵(chen)縈粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)氣(qi)(qi)(qi)(qi)(qi)(qi)力輸送的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)氣(qi)(qi)(qi)(qi)(qi)(qi)源(yuan)(yuan)是(shi)(shi)(shi)臺(tai)(tai)空壓(ya)機(ji)(ji)(ji)，訕過(guo)帶有(you)(you)(you)球閥的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)料(liao)斗將(jiang)(jiang)(jiang)砂(sha)(sha)(sha)料(liao)加入(ru)到(dao)(dao)(dao)輸送管道內。其(qi)余包(bao)括料(liao)斗及(ji)(ji)輸送管路(lu)都是(shi)(shi)(shi)塑料(liao)制品，而(er)(er)(er)(er)氣(qi)(qi)(qi)(qi)(qi)(qi)固(gu)(gu)(gu)(gu)噴(pen)(pen)嘴(zui)(zui)(zui)為(wei)鋼(gang)(gang)材制成(cheng)(cheng)，收擴(kuo)(kuo)型(xing)，收擴(kuo)(kuo)比26 36，擴(kuo)(kuo)張角(jiao)30.由(you)(you)(you)空壓(ya)機(ji)(ji)(ji)出(chu)來(lai)(lai)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)壓(ya)縮仝氣(qi)(qi)(qi)(qi)(qi)(qi)將(jiang)(jiang)(jiang)料(liao)斗的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)砂(sha)(sha)(sha)料(liao)訕過(guo)輸送管路(lu)經氣(qi)(qi)(qi)(qi)(qi)(qi)叫(jiao)(jiao)噴(pen)(pen)嘴(zui)(zui)(zui)沿(yan)軸(zhou)(zhou)向(xiang)(xiang)嗩入(ru)實(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)段(duan)氣(qi)(qi)(qi)(qi)(qi)(qi)流(liu)(liu)(liu)(liu)內。　　2測(ce)(ce)量(liang)(liang)(liang)原理(li)(li)激光(guang)(guang)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)子(zi)(zi)(zi)(zi)(zi)(zi)成(cheng)(cheng)像(xiang)技術(shu)足(zu)(zu)在(zai)(zai)(zai)流(liu)(liu)(liu)(liu)場(chang)(chang)(chang)(chang)(chang)顯的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)駐礎上(shang)(shang)(shang)(shang)。　　利用(yong)(yong)(yong)(yong)近(jin)(jin)(jin)(jin)期高速(su)(su)(su)發展(zhan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)計(ji)算(suan)(suan)(suan)(suan)機(ji)(ji)(ji)像(xiang)處(chu)(chu)(chu)(chu)(chu)理(li)(li)技術(shu)而(er)(er)(er)(er)發展(zhan)起(qi)來(lai)(lai)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)種新的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)流(liu)(liu)(liu)(liu)動(dong)(dong)(dong)測(ce)(ce)量(liang)(liang)(liang)技術(shu)2.它(ta)突破了(le)(le)(le)空間單點(dian)(dian)(dian)(dian)測(ce)(ce)渭技術(shu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)局限性。從而(er)(er)(er)(er)實(shi)(shi)(shi)(shi)(shi)(shi)現(xian)了(le)(le)(le)對(dui)整(zheng)(zheng)個(ge)(ge)(ge)(ge)流(liu)(liu)(liu)(liu)場(chang)(chang)(chang)(chang)(chang)要(yao)有(you)(you)(you)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)子(zi)(zi)(zi)(zi)(zi)(zi)成(cheng)(cheng)像(xiang)測(ce)(ce)速(su)(su)(su)技術(shu)，也(ye)士136，+時(shi)(shi)172種這(zhe)(zhe)法(fa)4.技術(shu)是(shi)(shi)(shi)基(ji)(ji)(ji)(ji)十像(xiang)相(xiang)關(guan)，而(er)(er)(er)(er)技術(shu)是(shi)(shi)(shi)基(ji)(ji)(ji)(ji)于顆(ke)(ke)(ke)(ke)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)相(xiang)關(guan)，它(ta)由(you)(you)(you)2幅(fu)像(xiang)整(zheng)(zheng)個(ge)(ge)(ge)(ge)流(liu)(liu)(liu)(liu)場(chang)(chang)(chang)(chang)(chang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)速(su)(su)(su)度(du)(du)(du)(du)(du)(du)(du)(du)分(fen)(fen)(fen)(fen)布(bu)(bu)(bu)(bu)。因(yin)此，在(zai)(zai)(zai)流(liu)(liu)(liu)(liu)場(chang)(chang)(chang)(chang)(chang)測(ce)(ce)試(shi)(shi)過(guo)程(cheng)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)，在(zai)(zai)(zai)確定(ding)像(xiang)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)各(ge)(ge)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)子(zi)(zi)(zi)(zi)(zi)(zi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)位(wei)置(zhi)(zhi)時(shi)(shi)，同時(shi)(shi)還(huan)可(ke)(ke)以(yi)得(de)(de)到(dao)(dao)(dao)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)子(zi)(zi)(zi)(zi)(zi)(zi)尺(chi)寸及(ji)(ji)分(fen)(fen)(fen)(fen)布(bu)(bu)(bu)(bu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)信(xin)息，比較(jiao)而(er)(er)(er)(er)言基(ji)(ji)(ji)(ji)，顆(ke)(ke)(ke)(ke)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)相(xiang)關(guan)情況及(ji)(ji)顆(ke)(ke)(ke)(ke)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)形狀信(xin)息，因(yin)而(er)(er)(er)(er)技術(shu)史(shi)適合(he)(he)于研(yan)(yan)(yan)咒砂(sha)(sha)(sha)塵(chen)環(huan)(huan)境(jing)試(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)稀相(xiang)含(han)(han)砂(sha)(sha)(sha)氣(qi)(qi)(qi)(qi)(qi)(qi)兩(liang)(liang)(liang)(liang)(liang)相(xiang)流(liu)(liu)(liu)(liu)場(chang)(chang)(chang)(chang)(chang)。其(qi)原理(li)(li)2.　　其(qi)測(ce)(ce)定(ding)原理(li)(li)為(wei)將(jiang)(jiang)(jiang)顆(ke)(ke)(ke)(ke)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)濃(nong)(nong)(nong)(nong)度(du)(du)(du)(du)(du)(du)(du)(du)場(chang)(chang)(chang)(chang)(chang)置(zhi)(zhi)于激光(guang)(guang)片(pian)(pian)(pian)光(guang)(guang)源(yuan)(yuan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)照(zhao)射下(xia)，用(yong)(yong)(yong)(yong)照(zhao)相(xiang)系(xi)統把(ba)所(suo)(suo)(suo)(suo)要(yao)研(yan)(yan)(yan)區(qu)(qu)(qu)(qu)(qu)域(yu)(yu)(yu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)顆(ke)(ke)(ke)(ke)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)濃(nong)(nong)(nong)(nong)度(du)(du)(du)(du)(du)(du)(du)(du)場(chang)(chang)(chang)(chang)(chang)完全地(di)記錄在(zai)(zai)(zai)底片(pian)(pian)(pian)上(shang)(shang)(shang)(shang)然后用(yong)(yong)(yong)(yong)基(ji)(ji)(ji)(ji)于顆(ke)(ke)(ke)(ke)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)相(xiang)關(guan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)，技術(shu)處(chu)(chu)(chu)(chu)(chu)理(li)(li)該底片(pian)(pian)(pian)5，由(you)(you)(you)像(xiang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)灰(hui)度(du)(du)(du)(du)(du)(du)(du)(du)梯度(du)(du)(du)(du)(du)(du)(du)(du)來(lai)(lai)進(jin)(jin)(jin)行(xing)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)子(zi)(zi)(zi)(zi)(zi)(zi)邊界(jie)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)識別，即(ji)從粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)子(zi)(zi)(zi)(zi)(zi)(zi)像(xiang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)灰(hui)度(du)(du)(du)(du)(du)(du)(du)(du)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)心(xin)(xin)點(dian)(dian)(dian)(dian)出(chu)發，計(ji)算(suan)(suan)(suan)(suan)與(yu)灰(hui)度(du)(du)(du)(du)(du)(du)(du)(du)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)心(xin)(xin)相(xiang)鄰(lin)各(ge)(ge)點(dian)(dian)(dian)(dian)間的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)梯度(du)(du)(du)(du)(du)(du)(du)(du)值(zhi)，然后又由(you)(you)(you)這(zhe)(zhe)些(xie)點(dian)(dian)(dian)(dian)出(chu)發計(ji)算(suan)(suan)(suan)(suan)與(yu)其(qi)各(ge)(ge)自(zi)相(xiang)鄰(lin)點(dian)(dian)(dian)(dian)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)灰(hui)度(du)(du)(du)(du)(du)(du)(du)(du)梯度(du)(du)(du)(du)(du)(du)(du)(du)值(zhi)。按(an)此方(fang)法(fa)，直(zhi)(zhi)到(dao)(dao)(dao)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)子(zi)(zi)(zi)(zi)(zi)(zi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)邊緣為(wei)止，即(ji)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)子(zi)(zi)(zi)(zi)(zi)(zi)邊緣點(dian)(dian)(dian)(dian)與(yu)背(bei)景的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)梯度(du)(du)(du)(du)(du)(du)(du)(du)伉小(xiao)(xiao)(xiao)于我(wo)們預先設定(ding)好(hao)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)閾值(zhi)，而(er)(er)(er)(er)且這(zhe)(zhe)個(ge)(ge)(ge)(ge)點(dian)(dian)(dian)(dian)與(yu)其(qi)相(xiang)鄰(lin)點(dian)(dian)(dian)(dian)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)灰(hui)度(du)(du)(du)(du)(du)(du)(du)(du)值(zhi)接近(jin)(jin)(jin)(jin)于背(bei)景出(chu)該粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)子(zi)(zi)(zi)(zi)(zi)(zi)在(zai)(zai)(zai)像(xiang)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)所(suo)(suo)(suo)(suo)占的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)面(mian)(mian)(mian)(mian)(mian)積(ji)(ji)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)大小(xiao)(xiao)(xiao)，也(ye)就(jiu)(jiu)(jiu)是(shi)(shi)(shi)說包(bao)含(han)(han)有(you)(you)(you)多(duo)(duo)(duo)少(shao)個(ge)(ge)(ge)(ge)象(xiang)素點(dian)(dian)(dian)(dian)。根據單位(wei)象(xiang)素點(dian)(dian)(dian)(dian)所(suo)(suo)(suo)(suo)代農的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)實(shi)(shi)(shi)(shi)(shi)(shi)際(ji)(ji)長度(du)(du)(du)(du)(du)(du)(du)(du)大小(xiao)(xiao)(xiao)，可(ke)(ke)以(yi)換算(suan)(suan)(suan)(suan)出(chu)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)子(zi)(zi)(zi)(zi)(zi)(zi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)實(shi)(shi)(shi)(shi)(shi)(shi)際(ji)(ji)面(mian)(mian)(mian)(mian)(mian)積(ji)(ji)大小(xiao)(xiao)(xiao)，然后將(jiang)(jiang)(jiang)這(zhe)(zhe)個(ge)(ge)(ge)(ge)面(mian)(mian)(mian)(mian)(mian)積(ji)(ji)折(zhe)算(suan)(suan)(suan)(suan)成(cheng)(cheng)相(xiang)應的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)標準直(zhi)(zhi)徑(jing)，即(ji)將(jiang)(jiang)(jiang)不規(gui)則(ze)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)子(zi)(zi)(zi)(zi)(zi)(zi)祈這(zhe)(zhe)成(cheng)(cheng)標準的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)球形粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)子(zi)(zi)(zi)(zi)(zi)(zi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)1徑(jing)凡中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)，心(xin)(xin)是(shi)(shi)(shi)不規(gui)則(ze)光(guang)(guang)斑的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)實(shi)(shi)(shi)(shi)(shi)(shi)小(xiao)(xiao)(xiao)面(mian)(mian)(mian)(mian)(mian)積(ji)(ji)。單位(wei)為(wei)廣是(shi)(shi)(shi)折(zhe)算(suan)(suan)(suan)(suan)后球形粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)子(zi)(zi)(zi)(zi)(zi)(zi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)標準直(zhi)(zhi)徑(jing)，單位(wei)為(wei)，經過(guo)這(zhe)(zhe)樣的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)汁算(suan)(suan)(suan)(suan)轉換。權到(dao)(dao)(dao)各(ge)(ge)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)子(zi)(zi)(zi)(zi)(zi)(zi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)標準直(zhi)(zhi)徑(jing)，就(jiu)(jiu)(jiu)以(yi)將(jiang)(jiang)(jiang)像(xiang)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)子(zi)(zi)(zi)(zi)(zi)(zi)按(an)搜索的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)位(wei)置(zhi)(zhi)和(he)尺(chi)寸大小(xiao)(xiao)(xiao)分(fen)(fen)(fen)(fen)覽于是(shi)(shi)(shi)就(jiu)(jiu)(jiu)得(de)(de)到(dao)(dao)(dao)相(xiang)應流(liu)(liu)(liu)(liu)場(chang)(chang)(chang)(chang)(chang)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)顆(ke)(ke)(ke)(ke)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)大小(xiao)(xiao)(xiao)及(ji)(ji)空間分(fen)(fen)(fen)(fen)布(bu)(bu)(bu)(bu)情況。　　3實(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)過(guo)程(cheng)本(ben)(ben)實(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)條件(jian)是(shi)(shi)(shi)按(an)國(guo)軍(jun)標進(jin)(jin)(jin)行(xing)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)，所(suo)(suo)(suo)(suo)用(yong)(yong)(yong)(yong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)砂(sha)(sha)(sha)料(liao)全部(bu)(bu)是(shi)(shi)(shi)石英砂(sha)(sha)(sha)。密度(du)(du)(du)(du)(du)(du)(du)(du)為(wei)260013.徑(jing)為(wei)50，850叫(jiao)(jiao)，平(ping)均(jun)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)較(jiao)為(wei)377叱1.實(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)風(feng)(feng)(feng)(feng)(feng)刺風(feng)(feng)(feng)(feng)(feng)速(su)(su)(su)為(wei)20卸8，氣(qi)(qi)(qi)(qi)(qi)(qi)固(gu)(gu)(gu)(gu)噴(pen)(pen)嘴(zui)(zui)(zui)噴(pen)(pen)速(su)(su)(su)為(wei)251+，風(feng)(feng)(feng)(feng)(feng)洞(dong)(dong)(dong)(dong)(dong)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)砂(sha)(sha)(sha)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)質量(liang)(liang)(liang)北京航空航天(tian)大學(xue)(xue)(xue)(xue)學(xue)(xue)(xue)(xue)報濃(nong)(nong)(nong)(nong)度(du)(du)(du)(du)(du)(du)(du)(du)為(wei)2.2屬稀氣(qi)(qi)(qi)(qi)(qi)(qi)兩(liang)(liang)(liang)(liang)(liang)相(xiang)流(liu)(liu)(liu)(liu)。　　實(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)對(dui)經氣(qi)(qi)(qi)(qi)(qi)(qi)固(gu)(gu)(gu)(gu)噴(pen)(pen)嘴(zui)(zui)(zui)噴(pen)(pen)出(chu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)含(han)(han)砂(sha)(sha)(sha)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)氣(qi)(qi)(qi)(qi)(qi)(qi)固(gu)(gu)(gu)(gu)兩(liang)(liang)(liang)(liang)(liang)相(xiang)流(liu)(liu)(liu)(liu)和(he)風(feng)(feng)(feng)(feng)(feng)洞(dong)(dong)(dong)(dong)(dong)來(lai)(lai)流(liu)(liu)(liu)(liu)混合(he)(he)后的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)氣(qi)(qi)(qi)(qi)(qi)(qi)固(gu)(gu)(gu)(gu)兩(liang)(liang)(liang)(liang)(liang)相(xiang)流(liu)(liu)(liu)(liu)進(jin)(jin)(jin)行(xing)測(ce)(ce)試(shi)(shi)研(yan)(yan)(yan)宄(gui)。實(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)開始前(qian)，將(jiang)(jiang)(jiang)標有(you)(you)(you)刻(ke)度(du)(du)(du)(du)(du)(du)(du)(du)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)校準板置(zhi)(zhi)于觀察區(qu)(qu)(qu)(qu)(qu)±或，用(yong)(yong)(yong)(yong)，相(xiang)機(ji)(ji)(ji)拍攝下(xia)來(lai)(lai)。用(yong)(yong)(yong)(yong)于標定(ding)0，的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)像(xiang)素與(yu)實(shi)(shi)(shi)(shi)(shi)(shi)際(ji)(ji)測(ce)(ce)量(liang)(liang)(liang)范(fan)圍的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)換算(suan)(suan)(suan)(suan)關(guan)系(xi)。在(zai)(zai)(zai)測(ce)(ce)試(shi)(shi)時(shi)(shi)，用(yong)(yong)(yong)(yong)激光(guang)(guang)片(pian)(pian)(pian)光(guang)(guang)源(yuan)(yuan)照(zhao)亮氣(qi)(qi)(qi)(qi)(qi)(qi)固(gu)(gu)(gu)(gu)噴(pen)(pen)嘴(zui)(zui)(zui)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)心(xin)(xin)處(chu)(chu)(chu)(chu)(chu)與(yu)流(liu)(liu)(liu)(liu)動(dong)(dong)(dong)方(fang)向(xiang)(xiang)平(ping)行(xing)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)豎(shu)(shu)直(zhi)(zhi)截(jie)(jie)(jie)面(mian)(mian)(mian)(mian)(mian)。用(yong)(yong)(yong)(yong)，鼓(gu)像(xiang)機(ji)(ji)(ji)進(jin)(jin)(jin)廳捫攝。拍攝區(qu)(qu)(qu)(qu)(qu)域(yu)(yu)(yu)火小(xiao)(xiao)(xiao)為(wei)20，20由(you)(you)(you)于氣(qi)(qi)(qi)(qi)(qi)(qi)固(gu)(gu)(gu)(gu)噴(pen)(pen)嘴(zui)(zui)(zui)直(zhi)(zhi)徑(jing)僅為(wei)36洲(zhou)為(wei)使該區(qu)(qu)(qu)(qu)(qu)域(yu)(yu)(yu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)流(liu)(liu)(liu)(liu)場(chang)(chang)(chang)(chang)(chang)觀察區(qu)(qu)(qu)(qu)(qu)完全充(chong)(chong)(chong)滿，相(xiang)機(ji)(ji)(ji)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)畫面(mian)(mian)(mian)(mian)(mian)，將(jiang)(jiang)(jiang)相(xiang)機(ji)(ji)(ji)放(fang)置(zhi)(zhi)在(zai)(zai)(zai)靠近(jin)(jin)(jin)(jin)風(feng)(feng)(feng)(feng)(feng)洞(dong)(dong)(dong)(dong)(dong)側(ce)壁0.83，距(ju)(ju)離(li)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)地(di)面(mian)(mian)(mian)(mian)(mian)上(shang)(shang)(shang)(shang)，相(xiang)機(ji)(ji)(ji)離(li)地(di)面(mian)(mian)(mian)(mian)(mian)高度(du)(du)(du)(du)(du)(du)(du)(du)為(wei)1.41取距(ju)(ju)氣(qi)(qi)(qi)(qi)(qi)(qi)固(gu)(gu)(gu)(gu)嗩嘴(zui)(zui)(zui)0.75和(he)2.71處(chu)(chu)(chu)(chu)(chu)2個(ge)(ge)(ge)(ge)處(chu)(chu)(chu)(chu)(chu)于風(feng)(feng)(feng)(feng)(feng)1心(xin)(xin)軸(zhou)(zhou)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)處(chu)(chu)(chu)(chu)(chu)豎(shu)(shu)直(zhi)(zhi)截(jie)(jie)(jie)面(mian)(mian)(mian)(mian)(mian)進(jin)(jin)(jin)行(xing)，測(ce)(ce)試(shi)(shi)。由(you)(you)(you)于，測(ce)(ce)試(shi)(shi)區(qu)(qu)(qu)(qu)(qu)域(yu)(yu)(yu)為(wei)距(ju)(ju)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)心(xin)(xin)軸(zhou)(zhou)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)上(shang)(shang)(shang)(shang)下(xia)10，的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)方(fang)形區(qu)(qu)(qu)(qu)(qu)域(yu)(yu)(yu)，未能(neng)(neng)測(ce)(ce)試(shi)(shi)到(dao)(dao)(dao)整(zheng)(zheng)個(ge)(ge)(ge)(ge)風(feng)(feng)(feng)(feng)(feng)洞(dong)(dong)(dong)(dong)(dong)截(jie)(jie)(jie)面(mian)(mian)(mian)(mian)(mian)。為(wei)此，同時(shi)(shi)對(dui)激光(guang)(guang)照(zhao)亮的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)整(zheng)(zheng)個(ge)(ge)(ge)(ge)豎(shu)(shu)直(zhi)(zhi)截(jie)(jie)(jie)面(mian)(mian)(mian)(mian)(mian)數(shu)(shu)碼相(xiang)機(ji)(ji)(ji)進(jin)(jin)(jin)丁拍照(zhao)。通過(guo)照(zhao)片(pian)(pian)(pian)來(lai)(lai)對(dui)結(jie)(jie)果(guo)(guo)進(jin)(jin)(jin)行(xing)補充(chong)(chong)(chong)說明(ming)。并且對(dui)這(zhe)(zhe)2處(chu)(chu)(chu)(chu)(chu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)1嚇結(jie)(jie)果(guo)(guo)進(jin)(jin)(jin)，處(chu)(chu)(chu)(chu)(chu)理(li)(li)。　　4實(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)結(jie)(jie)果(guo)(guo)及(ji)(ji)分(fen)(fen)(fen)(fen)析(xi)，+刀(dao)⑴處(chu)(chu)(chu)(chu)(chu)個(ge)(ge)(ge)(ge)豎(shu)(shu)直(zhi)(zhi)測(ce)(ce)試(shi)(shi)截(jie)(jie)(jie)面(mian)(mian)(mian)(mian)(mian)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)心(xin)(xin)軸(zhou)(zhou)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)處(chu)(chu)(chu)(chu)(chu)20，120，1區(qu)(qu)(qu)(qu)(qu)域(yu)(yu)(yu)內砂(sha)(sha)(sha)塵(chen)顆(ke)(ke)(ke)(ke)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)濃(nong)(nong)(nong)(nong)度(du)(du)(du)(du)(du)(du)(du)(du)沿(yan)風(feng)(feng)(feng)(feng)(feng)洞(dong)(dong)(dong)(dong)(dong)高度(du)(du)(du)(du)(du)(du)(du)(du)方(fang)向(xiang)(xiang)上(shang)(shang)(shang)(shang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)分(fen)(fen)(fen)(fen)布(bu)(bu)(bu)(bu)規(gui)律的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)擬合(he)(he)曲(qu)(qu)(qu)(qu)(qu)(qu)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)及(ji)(ji)顆(ke)(ke)(ke)(ke)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)分(fen)(fen)(fen)(fen)布(bu)(bu)(bu)(bu)曲(qu)(qu)(qu)(qu)(qu)(qu)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)。閣1和(he)4.足(zu)(zu)在(zai)(zai)(zai)2位(wei)置(zhi)(zhi)處(chu)(chu)(chu)(chu)(chu)對(dui)整(zheng)(zheng)個(ge)(ge)(ge)(ge)1截(jie)(jie)(jie)面(mian)(mian)(mian)(mian)(mian)上(shang)(shang)(shang)(shang)顆(ke)(ke)(ke)(ke)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)空間分(fen)(fen)(fen)(fen)布(bu)(bu)(bu)(bu)進(jin)(jin)(jin)行(xing)拍攝的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)數(shu)(shu)碼照(zhao)片(pian)(pian)(pian)。5和(he)從33濃(nong)(nong)(nong)(nong)度(du)(du)(du)(du)(du)(du)(du)(du)曲(qu)(qu)(qu)(qu)(qu)(qu)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)可(ke)(ke)看(kan)出(chu)顆(ke)(ke)(ke)(ke)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)濃(nong)(nong)(nong)(nong)度(du)(du)(du)(du)(du)(du)(du)(du)在(zai)(zai)(zai)軸(zhou)(zhou)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)附(fu)近(jin)(jin)(jin)(jin)有(you)(you)(you)個(ge)(ge)(ge)(ge)峰(feng)(feng)(feng)值(zhi)，且顆(ke)(ke)(ke)(ke)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)分(fen)(fen)(fen)(fen)布(bu)(bu)(bu)(bu)不均(jun)，呈(cheng)現(xian)出(chu)上(shang)(shang)(shang)(shang)下(xia)部(bu)(bu)分(fen)(fen)(fen)(fen)少(shao)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)間多(duo)(duo)(duo)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)態勢，說明(ming)在(zai)(zai)(zai)距(ju)(ju)氣(qi)(qi)(qi)(qi)(qi)(qi)固(gu)(gu)(gu)(gu)噴(pen)(pen)嘴(zui)(zui)(zui)0.75處(chu)(chu)(chu)(chu)(chu)砂(sha)(sha)(sha)塵(chen)顆(ke)(ke)(ke)(ke)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)多(duo)(duo)(duo)數(shu)(shu)聚集(ji)在(zai)(zai)(zai)軸(zhou)(zhou)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)心(xin)(xin)位(wei)置(zhi)(zhi)附(fu)近(jin)(jin)(jin)(jin)，這(zhe)(zhe)是(shi)(shi)(shi)由(you)(you)(you)于顆(ke)(ke)(ke)(ke)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)剛由(you)(you)(you)噴(pen)(pen)嘴(zui)(zui)(zui)噴(pen)(pen)出(chu)，還(huan)沒有(you)(you)(you)來(lai)(lai)得(de)(de)及(ji)(ji)進(jin)(jin)(jin)行(xing)湍流(liu)(liu)(liu)(liu)擴(kuo)(kuo)散(san)(san)。由(you)(you)(you)31可(ke)(ke)知，峰(feng)(feng)(feng)值(zhi)位(wei)于軸(zhou)(zhou)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)上(shang)(shang)(shang)(shang)部(bu)(bu)約(yue)(yue)5，處(chu)(chu)(chu)(chu)(chu)，沿(yan)風(feng)(feng)(feng)(feng)(feng)洞(dong)(dong)(dong)(dong)(dong)高度(du)(du)(du)(du)(du)(du)(du)(du)顆(ke)(ke)(ke)(ke)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)呈(cheng)拋物線(xian)(xian)(xian)(xian)(xian)(xian)(xian)分(fen)(fen)(fen)(fen)布(bu)(bu)(bu)(bu)，即(ji)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)間多(duo)(duo)(duo)上(shang)(shang)(shang)(shang)下(xia)兩(liang)(liang)(liang)(liang)(liang)邊少(shao)。而(er)(er)(er)(er)由(you)(you)(you)3，中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)也(ye)可(ke)(ke)以(yi)得(de)(de)出(chu)在(zai)(zai)(zai)軸(zhou)(zhou)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)偏(pian)上(shang)(shang)(shang)(shang)位(wei)置(zhi)(zhi)砂(sha)(sha)(sha)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)比較(jiao)多(duo)(duo)(duo)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)結(jie)(jie)論，而(er)(er)(er)(er)在(zai)(zai)(zai)風(feng)(feng)(feng)(feng)(feng)洞(dong)(dong)(dong)(dong)(dong)靠近(jin)(jin)(jin)(jin)頂(ding)部(bu)(bu)和(he)底部(bu)(bu)區(qu)(qu)(qu)(qu)(qu)域(yu)(yu)(yu)幾(ji)乎沒有(you)(you)(you)砂(sha)(sha)(sha)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)存濟(ji)南(nan)實(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)機(ji)(ji)(ji)（鋼(gang)(gang)絞線(xian)(xian)(xian)(xian)(xian)(xian)(xian)實(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)機(ji)(ji)(ji)）采取微機(ji)(ji)(ji)控(kong)制電液伺服閥加載和(he)手(shou)動(dong)(dong)(dong)液壓(ya)加載、主(zhu)體與(yu)控(kong)制框分(fen)(fen)(fen)(fen)置(zhi)(zhi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)設計(ji)在(zai)(zai)(zai)。由(you)(you)(you)于本(ben)(ben)實(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)所(suo)(suo)(suo)(suo)用(yong)(yong)(yong)(yong)氣(qi)(qi)(qi)(qi)(qi)(qi)固(gu)(gu)(gu)(gu)噴(pen)(pen)嘴(zui)(zui)(zui)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)上(shang)(shang)(shang)(shang)游，有(you)(you)(you)排插入(ru)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)加沙管，使得(de)(de)風(feng)(feng)(feng)(feng)(feng)洞(dong)(dong)(dong)(dong)(dong)內氣(qi)(qi)(qi)(qi)(qi)(qi)流(liu)(liu)(liu)(liu)偏(pian)上(shang)(shang)(shang)(shang)，造成(cheng)(cheng)峰(feng)(feng)(feng)值(zhi)偏(pian)于軸(zhou)(zhou)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)上(shang)(shang)(shang)(shang)部(bu)(bu)；截(jie)(jie)(jie)面(mian)(mian)(mian)(mian)(mian)，即(ji)距(ju)(ju)氣(qi)(qi)(qi)(qi)(qi)(qi)固(gu)(gu)(gu)(gu)噴(pen)(pen)嘴(zui)(zui)(zui)2.71處(chu)(chu)(chu)(chu)(chu)時(shi)(shi)，其(qi)峰(feng)(feng)(feng)值(zhi)已(yi)基(ji)(ji)(ji)(ji)本(ben)(ben)消失(shi)，濃(nong)(nong)(nong)(nong)度(du)(du)(du)(du)(du)(du)(du)(du)曲(qu)(qu)(qu)(qu)(qu)(qu)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)變(bian)得(de)(de)平(ping)坦。由(you)(you)(you)41可(ke)(ke)知，顆(ke)(ke)(ke)(ke)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)沿(yan)風(feng)(feng)(feng)(feng)(feng)洞(dong)(dong)(dong)(dong)(dong)吱在(zai)(zai)(zai)擬和(he)曲(qu)(qu)(qu)(qu)(qu)(qu)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)附(fu)近(jin)(jin)(jin)(jin)波(bo)動(dong)(dong)(dong)。，峰(feng)(feng)(feng)值(zhi)已(yi)消失(shi)，顆(ke)(ke)(ke)(ke)b顆(ke)(ke)(ke)(ke)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)分(fen)(fen)(fen)(fen)布(bu)(bu)(bu)(bu)曲(qu)(qu)(qu)(qu)(qu)(qu)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)，整(zheng)(zheng)個(ge)(ge)(ge)(ge)豎(shu)(shu)直(zhi)(zhi)截(jie)(jie)(jie)面(mian)(mian)(mian)(mian)(mian)上(shang)(shang)(shang)(shang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)砂(sha)(sha)(sha)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)數(shu)(shu)碼照(zhao)片(pian)(pian)(pian)變(bian)化(hua)曲(qu)(qu)(qu)(qu)(qu)(qu)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)與(yu)截(jie)(jie)(jie)面(mian)(mian)(mian)(mian)(mian)照(zhao)片(pian)(pian)(pian)對(dui)比粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)在(zai)(zai)(zai)各(ge)(ge)高度(du)(du)(du)(du)(du)(du)(du)(du)之間分(fen)(fen)(fen)(fen)布(bu)(bu)(bu)(bu)顆(ke)(ke)(ke)(ke)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)數(shu)(shu)相(xiang)當(dang)，說明(ming)軸(zhou)(zhou)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)上(shang)(shang)(shang)(shang)下(xia)部(bu)(bu)分(fen)(fen)(fen)(fen)顆(ke)(ke)(ke)(ke)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)己擴(kuo)(kuo)散(san)(san)均(jun)勻(yun)。從4，中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)也(ye)可(ke)(ke)以(yi)看(kan)出(chu)，顆(ke)(ke)(ke)(ke)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)幾(ji)乎布(bu)(bu)(bu)(bu)滿整(zheng)(zheng)個(ge)(ge)(ge)(ge)區(qu)(qu)(qu)(qu)(qu)域(yu)(yu)(yu)，說明(ming)顆(ke)(ke)(ke)(ke)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)質量(liang)(liang)(liang)彌散(san)(san)是(shi)(shi)(shi)很強烈的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)，顆(ke)(ke)(ke)(ke)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)在(zai)(zai)(zai)距(ju)(ju)氣(qi)(qi)(qi)(qi)(qi)(qi)固(gu)(gu)(gu)(gu)噴(pen)(pen)嘴(zui)(zui)(zui)2.71處(chu)(chu)(chu)(chu)(chu)已(yi)基(ji)(ji)(ji)(ji)本(ben)(ben)擴(kuo)(kuo)散(san)(san)開。這(zhe)(zhe)也(ye)證(zheng)明(ming)了(le)(le)(le)氣(qi)(qi)(qi)(qi)(qi)(qi)固(gu)(gu)(gu)(gu)湍流(liu)(liu)(liu)(liu)流(liu)(liu)(liu)(liu)動(dong)(dong)(dong)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)確實(shi)(shi)(shi)(shi)(shi)(shi)存在(zai)(zai)(zai)著固(gu)(gu)(gu)(gu)體顆(ke)(ke)(ke)(ke)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)擴(kuo)(kuo)散(san)(san)現(xian)象(xiang)從5砂(sha)(sha)(sha)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)徑(jing)變(bian)化(hua)曲(qu)(qu)(qu)(qu)(qu)(qu)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)得(de)(de)出(chu)，在(zai)(zai)(zai)距(ju)(ju)氣(qi)(qi)(qi)(qi)(qi)(qi)固(gu)(gu)(gu)(gu)噴(pen)(pen)嘴(zui)(zui)(zui)0.751處(chu)(chu)(chu)(chu)(chu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)截(jie)(jie)(jie)面(mian)(mian)(mian)(mian)(mian)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)叫(jiao)(jiao)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)徑(jing)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)砂(sha)(sha)(sha)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)集(ji)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)在(zai)(zai)(zai)軸(zhou)(zhou)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)部(bu)(bu)分(fen)(fen)(fen)(fen)。而(er)(er)(er)(er)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)徑(jing)偏(pian)大的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)顆(ke)(ke)(ke)(ke)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)處(chu)(chu)(chu)(chu)(chu)千區(qu)(qu)(qu)(qu)(qu)域(yu)(yu)(yu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)下(xia)部(bu)(bu)大小(xiao)(xiao)(xiao)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)徑(jing)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)砂(sha)(sha)(sha)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)分(fen)(fen)(fen)(fen)布(bu)(bu)(bu)(bu)不均(jun)而(er)(er)(er)(er)在(zai)(zai)(zai)6中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)可(ke)(ke)以(yi)看(kan)出(chu)，當(dang)含(han)(han)砂(sha)(sha)(sha)氣(qi)(qi)(qi)(qi)(qi)(qi)固(gu)(gu)(gu)(gu)流(liu)(liu)(liu)(liu)場(chang)(chang)(chang)(chang)(chang)運動(dong)(dong)(dong)到(dao)(dao)(dao)距(ju)(ju)噴(pen)(pen)嘴(zui)(zui)(zui)2.7處(chu)(chu)(chu)(chu)(chu)時(shi)(shi)，顆(ke)(ke)(ke)(ke)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)這(zhe)(zhe)2幅(fu)也(ye)顯出(chu)流(liu)(liu)(liu)(liu)場(chang)(chang)(chang)(chang)(chang)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)小(xiao)(xiao)(xiao)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)子(zi)(zi)(zi)(zi)(zi)(zi)占據多(duo)(duo)(duo)數(shu)(shu)，而(er)(er)(er)(er)大顆(ke)(ke)(ke)(ke)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)較(jiao)少(shao)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)特點(dian)(dian)(dian)(dian)。；以(yi)上(shang)(shang)(shang)(shang)充(chong)(chong)(chong)分(fen)(fen)(fen)(fen)說明(ming)。砂(sha)(sha)(sha)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)在(zai)(zai)(zai)距(ju)(ju)噴(pen)(pen)嘴(zui)(zui)(zui)。751處(chu)(chu)(chu)(chu)(chu)軸(zhou)(zhou)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)實(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)結(jie)(jie)采擬合(he)(he)曲(qu)(qu)(qu)(qu)(qu)(qu)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)實(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)結(jie)(jie)，擬合(he)(he)肋線(xian)(xian)(xian)(xian)(xian)(xian)(xian)砂(sha)(sha)(sha)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)校mm砂(sha)(sha)(sha)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)顆(ke)(ke)(ke)(ke)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)數(shu)(shu)從個(ge)(ge)(ge)(ge)1顆(ke)(ke)(ke)(ke)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)分(fen)(fen)(fen)(fen)布(bu)(bu)(bu)(bu)曲(qu)(qu)(qu)(qu)(qu)(qu)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)5結(jie)(jie)論采用(yong)(yong)(yong)(yong)激光(guang)(guang)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)子(zi)(zi)(zi)(zi)(zi)(zi)成(cheng)(cheng)像(xiang)技術(shu)能(neng)(neng)在(zai)(zai)(zai)環(huan)(huan)境(jing)風(feng)(feng)(feng)(feng)(feng)洞(dong)(dong)(dong)(dong)(dong)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)對(dui)含(han)(han)砂(sha)(sha)(sha)氣(qi)(qi)(qi)(qi)(qi)(qi)固(gu)(gu)(gu)(gu)兩(liang)(liang)(liang)(liang)(liang)相(xiang)射流(liu)(liu)(liu)(liu)流(liu)(liu)(liu)(liu)場(chang)(chang)(chang)(chang)(chang)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)顆(ke)(ke)(ke)(ke)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)濃(nong)(nong)(nong)(nong)度(du)(du)(du)(du)(du)(du)(du)(du)場(chang)(chang)(chang)(chang)(chang)進(jin)(jin)(jin)行(xing)測(ce)(ce)定(ding)，結(jie)(jie)果(guo)(guo)理(li)(li)想，這(zhe)(zhe)是(shi)(shi)(shi)環(huan)(huan)境(jing)這(zhe)(zhe)群姑娘們都幫忙(mang)調(diao)和(he)安排風(feng)(feng)(feng)(feng)(feng)洞(dong)(dong)(dong)(dong)(dong)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)傳(chuan)統1．軟(ruan)(ruan)件(jian)和(he)硬件(jian)：質量(liang)(liang)(liang)上(shang)(shang)(shang)(shang)乘的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)電子(zi)(zi)(zi)(zi)(zi)(zi)萬能(neng)(neng)實(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)機(ji)(ji)(ji)1般采取品牌的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)計(ji)算(suan)(suan)(suan)(suan)機(ji)(ji)(ji)控(kong)制系(xi)統軟(ruan)(ruan)件(jian)為(wei)WindowsXP操作(zuo)系(xi)統平(ping)臺(tai)(tai)具有(you)(you)(you)運轉速(su)(su)(su)度(du)(du)(du)(du)(du)(du)(du)(du)快界(jie)面(mian)(mian)(mian)(mian)(mian)平(ping)和(he)操作(zuo)簡略等特點(dian)(dian)(dian)(dian)可(ke)(ke)滿足(zu)(zu)分(fen)(fen)(fen)(fen)歧資(zi)(zi)料(liao)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)實(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)丈量(liang)(liang)(liang)需(xu)求可(ke)(ke)根據國(guo)度(du)(du)(du)(du)(du)(du)(du)(du)規(gui)范(fan)國(guo)際(ji)(ji)規(gui)范(fan)也(ye)許行(xing)業規(gui)范(fan)丈量(liang)(liang)(liang)各(ge)(ge)類資(zi)(zi)料(liao)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)物理(li)(li)功能(neng)(neng)實(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)實(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)手(shou)段(duan)無法(fa)實(shi)(shi)(shi)(shi)(shi)(shi)現(xian)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)；對(dui)于含(han)(han)砂(sha)(sha)(sha)氣(qi)(qi)(qi)(qi)(qi)(qi)固(gu)(gu)(gu)(gu)兩(liang)(liang)(liang)(liang)(liang)相(xiang)射流(liu)(liu)(liu)(liu)，在(zai)(zai)(zai)距(ju)(ju)氣(qi)(qi)(qi)(qi)(qi)(qi)固(gu)(gu)(gu)(gu)噴(pen)(pen)嘴(zui)(zui)(zui)約(yue)(yue)處(chu)(chu)(chu)(chu)(chu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)叔面(mian)(mian)(mian)(mian)(mian)上(shang)(shang)(shang)(shang)。砂(sha)(sha)(sha)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)腳！粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)還(huan)沒1擴(kuo)(kuo)散(san)(san)到(dao)(dao)(dao)整(zheng)(zheng)個(ge)(ge)(ge)(ge)空間內，軸(zhou)(zhou)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)附(fu)近(jin)(jin)(jin)(jin)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)1較(jiao)名。而(er)(er)(er)(er)且人粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)子(zi)(zi)(zi)(zi)(zi)(zi)多(duo)(duo)(duo)數(shu)(shu)處(chu)(chu)(chu)(chu)(chu)千下(xia)部(bu)(bu)區(qu)(qu)(qu)(qu)(qu)域(yu)(yu)(yu)，在(zai)(zai)(zai)距(ju)(ju)噴(pen)(pen)嘴(zui)(zui)(zui)約(yue)(yue)31左右的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)截(jie)(jie)(jie)面(mian)(mian)(mian)(mian)(mian)上(shang)(shang)(shang)(shang)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)子(zi)(zi)(zi)(zi)(zi)(zi)基(ji)(ji)(ji)(ji)本(ben)(ben)均(jun)勻(yun)擴(kuo)(kuo)散(san)(san)，從而(er)(er)(er)(er)可(ke)(ke)確定(ding)砂(sha)(sha)(sha)塵(chen)環(huan)(huan)境(jing)試(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)試(shi)(shi)件(jian)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)安放(fang)位(wei)置(zhi)(zhi)；31為(wei)我(wo)1自(zi)，研(yan)(yan)(yan)制大型(xing)砂(sha)(sha)(sha)個(ge)(ge)(ge)(ge)環(huan)(huan)境(jing)試(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)設備(bei)覽定(ding)了(le)(le)(le)基(ji)(ji)(ji)(ji)礎。也(ye)為(wei)氣(qi)(qi)(qi)(qi)(qi)(qi)固(gu)(gu)(gu)(gu)兩(liang)(liang)(liang)(liang)(liang)相(xiang)流(liu)(liu)(liu)(liu)理(li)(li)論的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)發展(zhan)提供了(le)(le)(le)補充(chong)(chong)(chong)。　　c整(zheng)(zheng)個(ge)(ge)(ge)(ge)豎(shu)(shu)直(zhi)(zhi)截(jie)(jie)(jie)面(mian)(mian)(mian)(mian)(mian)上(shang)(shang)(shang)(shang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)砂(sha)(sha)(sha)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)數(shu)(shu)碼照(zhao)片(pian)(pian)(pian)變(bian)化(hua)曲(qu)(qu)(qu)(qu)(qu)(qu)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)與(yu)截(jie)(jie)(jie)面(mian)(mian)(mian)(mian)(mian)照(zhao)片(pian)(pian)(pian)對(dui)比隨風(feng)(feng)(feng)(feng)(feng)洞(dong)(dong)(dong)(dong)(dong)高度(du)(du)(du)(du)(du)(du)(du)(du)濃(nong)(nong)(nong)(nong)度(du)(du)(du)(du)(du)(du)(du)(du)變(bian)化(hua)曲(qu)(qu)(qu)(qu)(qu)(qu)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)心(xin)(xin)附(fu)近(jin)(jin)(jin)(jin)濃(nong)(nong)(nong)(nong)度(du)(du)(du)(du)(du)(du)(du)(du)大，且大粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)徑(jing)顆(ke)(ke)(ke)(ke)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)區(qu)(qu)(qu)(qu)(qu)域(yu)(yu)(yu)下(xia)部(bu)(bu)多(duo)(duo)(duo)，而(er)(er)(er)(er)在(zai)(zai)(zai)噴(pen)(pen)嘴(zui)(zui)(zui)山(shan)處(chu)(chu)(chu)(chu)(chu)這(zhe)(zhe)個(ge)(ge)(ge)(ge)現(xian)象(xiang)基(ji)(ji)(ji)(ji)本(ben)(ben)消失(shi)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)作(zuo)整(zheng)(zheng)個(ge)(ge)(ge)(ge)區(qu)(qu)(qu)(qu)(qu)域(yu)(yu)(yu)分(fen)(fen)(fen)(fen)布(bu)(bu)(bu)(bu)相(xiang)對(dui)比較(jiao)均(jun)。而(er)(er)(er)(er)且大粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)泣的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)顆(ke)(ke)(ke)(ke)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)也(ye)散(san)(san)布(bu)(bu)(bu)(bu)于勞1空間區(qu)(qu)(qu)(qu)(qu)域(yu)(yu)(yu)內，符(fu)合(he)(he)砂(sha)(sha)(sha)塵(chen)試(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)要(yao)求。　　1陽(yang)150.86，軍(jun)用(yong)(yong)(yong)(yong)設備(bei)環(huan)(huan)境(jing)試(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)方(fang)法(fa)砂(sha)(sha)(sha)塵(chen)試(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)問0楊(yang)廷(ting)相(xiang)，王天(tian)友(you)，趙慧。內燃機(ji)(ji)(ji)缸內流(liu)(liu)(liu)(liu)場(chang)(chang)(chang)(chang)(chang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)全場(chang)(chang)(chang)(chang)(chang)測(ce)(ce)試(shi)(shi)實(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)吳飛雪，董守(shou)平(ping)，時(shi)(shi)銘顯。激光(guang)(guang)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)子(zi)(zi)(zi)(zi)(zi)(zi)成(cheng)(cheng)像(xiang)技術(shu)測(ce)(ce)定(ding)旋風(feng)(feng)(feng)(feng)(feng)分(fen)(fen)(fen)(fen)離(li)器內顆(ke)(ke)(ke)(ke)粒(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)(li)濃(nong)(nong)(nong)(nong)度(du)(du)(du)(du)(du)(du)(du)(du)場(chang)(chang)(chang)(chang)(chang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)實(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)研(yan)(yan)(yan)究刀(dao)。石油大學(xue)(xue)(xue)(xue)學(xue)(xue)(xue)(xue)報自(zi)然科(ke)學(xue)(xue)(xue)(xue)版，2000，267276濃(nong)(nong)(nong)(nong)度(du)(du)(du)(du)(du)(du)(du)(du)變(bian)化(hua)擬合(he)(he)曲(qu)(qu)(qu)(qu)(qu)(qu)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)隨風(feng)(feng)(feng)(feng)(feng)洞(dong)(dong)(dong)(dong)(dong)高度(du)(du)(du)(du)(du)(du)(du)(du)濃(nong)(nong)(nong)(nong)度(du)(du)(du)(du)(du)(du)(du)(du)變(bian)化(hua)曲(qu)(qu)(qu)(qu)(qu)(qu)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)