顆粒慣性聚集現(xiàn)象的數(shù)值優(yōu)化方法
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【部分圖文】:
圖1相對(duì)運(yùn)動(dòng)模型Figure1Relativemotionmodel
:由于顆粒是運(yùn)動(dòng)的,作為流場(chǎng)固體邊界之一的顆粒表面的相對(duì)位置也是隨時(shí)間推進(jìn)而發(fā)生變化的。這種流場(chǎng)在常規(guī)的靜止坐標(biāo)系下為典型的非定常、動(dòng)邊界流動(dòng),需要采用動(dòng)網(wǎng)格和時(shí)間推進(jìn)等技術(shù)進(jìn)行CFD求解,計(jì)算過(guò)程十分復(fù)雜且計(jì)算周期極長(zhǎng)?紤]到筆者研究對(duì)象是處于通道截面上不同橫向位置的顆粒所受的....
圖2顆粒平移速度與驅(qū)動(dòng)力關(guān)系Figure2Relationbetweentranslational
圖2顆粒平移速度與驅(qū)動(dòng)力關(guān)系Figure2Relationbetweentranslationalvelocityandlaterallift圖3顆粒轉(zhuǎn)動(dòng)角速度與轉(zhuǎn)矩關(guān)系Figure3Relationdiagramofparticlerotationangularvelocity....
圖3顆粒轉(zhuǎn)動(dòng)角速度與轉(zhuǎn)矩關(guān)系Figure3Relationdiagramofparticle
圖2顆粒平移速度與驅(qū)動(dòng)力關(guān)系Figure2Relationbetweentranslationalvelocityandlaterallift圖3顆粒轉(zhuǎn)動(dòng)角速度與轉(zhuǎn)矩關(guān)系Figure3Relationdiagramofparticlerotationangularvelocity....
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