- 質(zhì)量流率
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mass flowrate中文什么意思
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- By comparing the results with relative experiment data , it is shown that rng k - is more exactly than the other turbulent model . . 2 ) the influences of axial inflow position , radial outflow size , rotating reynold number , non - dimensional mass flowrate and axial inflow angle on the flow and heat transfer characteristics were numerically investigated for a typical rotator - stator cavity with axial inflow , radial inflow and radial outflow . the correlations for average nusselt number vs rotating reynold number or non - dimensional mass flowrate were established
( 2 )針對一典型的徑向、軸向進(jìn)氣，徑向出氣的轉(zhuǎn)-靜盤腔結(jié)構(gòu)，系統(tǒng)研究軸向進(jìn)氣位置、徑向出口大小、旋轉(zhuǎn)雷諾數(shù)、無量綱質(zhì)量流量和軸向垂直預(yù)旋進(jìn)氣等對盤腔內(nèi)流動(dòng)和換熱的影響，整理出轉(zhuǎn)-靜盤腔內(nèi)轉(zhuǎn)盤平均努謝爾數(shù)與旋轉(zhuǎn)雷諾數(shù)無量綱質(zhì)量流量之間的準(zhǔn)則關(guān)聯(lián)式。 - 4 . the image explanation is performed by way of advanced information processing technology . the automatic identification techniques of two phase flow regime in the pipe are researched based on image explanation , as well as the calculation model of average concentration and mass flowrate of flowing particles
利用現(xiàn)代信息處理技術(shù)進(jìn)行圖像解釋，研究了基于圖像解釋的兩相管道流流動(dòng)狀況(流型)的自動(dòng)機(jī)識(shí)別技術(shù)，以及建立了基于圖像解釋的流動(dòng)顆粒平均濃度和質(zhì)量流量的計(jì)算模型。 - 3 ) a custom filed function module was complied to study the influence of non - dimensional mass flowrate changed with time in stair shape on flow and heat transfer inside rotator - stator cavity with axial inflow and radial outflow . average nusselt number takes on a sharp up - down process when the mass flowrate changes from stabile status as to the following change of flowrate , the average nuselt number changes greatly in the initial stage and then changes gradually
( 3 )自編用戶程序模塊，研究在軸向入流、徑向出流的轉(zhuǎn)-靜盤腔中，無量綱流量隨時(shí)間呈階梯型改變對盤腔流動(dòng)和換熱的影響。當(dāng)流量從某個(gè)穩(wěn)定狀態(tài)改變時(shí)，轉(zhuǎn)盤上的平均努謝爾數(shù)會(huì)產(chǎn)生一個(gè)明顯的上升再降低過程；在每一次流量改變的初始階段，平均努謝爾數(shù)存在一個(gè)較大幅度的變化。 - The simulation experimental equipment of gas - particles flow in upright pipe are established , moreover , the dynamic observation of flow regime , the measurement of concentration and mass flowrate of quartz grain flow ware performed in the experiment , the results show the feasibility of this new optical measurement technology
建立了氣體-顆粒流垂直管段模擬實(shí)驗(yàn)裝置，并對石英砂顆粒流的流型動(dòng)態(tài)觀測、濃度和流量測量進(jìn)行了實(shí)驗(yàn)研究，實(shí)驗(yàn)結(jié)果表明該新型光測技術(shù)具有應(yīng)用可行性。 - According to the experimental parameters of mpt , the main performance parameters of different propellants have been given by engineering performance computation under designed and working states , which has great importance for the experimental research and the future work . 2 . for helium and argon , the factors which influence on mpt ' s vacuum steady work have been discussed such as the material of microwave tie - in , the distance between the probe and inner - conductor , the position of the inner - conductor , the input power of microwave , the mass flowrate of propellant and the vacuum pressure of environment , and the influence has been discussed of the microwave power and the mass flowrate of propellant on the pressure of the resonance cavity , thrust , reflected power and the temperature of the resonance cavity
論文的工作和新見解主要包括： 1在設(shè)計(jì)狀態(tài)和工作狀態(tài)下，根據(jù)mpt的實(shí)驗(yàn)參數(shù)，對mpt使用不同工質(zhì)時(shí)的性能進(jìn)行了工程估算，這對mpt現(xiàn)階段的實(shí)驗(yàn)研究和今后的研究有重要的指導(dǎo)意義； 2對于he 、 ar推進(jìn)工質(zhì)，討論微波的接頭材料、探針與內(nèi)導(dǎo)體的間隙、內(nèi)導(dǎo)體的位置、微波的輸入功率、工質(zhì)的質(zhì)量流量以及環(huán)境真空度對mpt真空啟動(dòng)和穩(wěn)定工作的影響，并探討微波的輸入功率、工質(zhì)的質(zhì)量流量對諧振腔壓強(qiáng)、推力、反射功率以及諧振腔溫度的影響； 3對于n _ 2 、 h _ 2 、 nh _ 3 、 h _ 2o推進(jìn)工質(zhì)，主要討論與he 、 ar工質(zhì)不同的特性，并從長遠(yuǎn)的眼光和工程應(yīng)用的角度，認(rèn)為其可行性不容置疑，潛在優(yōu)勢不可忽略，是未來mpt應(yīng)用的主流推進(jìn)工質(zhì)。