void fraction

基本解釋

The change regularities on void fraction and density of powder material were revealed mathematically.
同時，運用數(shù)學的方法揭示了粉體的空隙率和粉體密度的變化規(guī)律。
Several of the focuses of CFD model in packed-bed reactors were studied, namely, the momentum exchange coefficient, the capillary pressure and the void fraction.
近年來填充床反應(yīng)器CFD數(shù)學模型韻幾個研究重點是動量交換系數(shù)、毛細管壓力以及床層空隙率的非均勻分布性。
At last, take water-jacket of 226B diesel engine as practical engineering application, the void fraction and the velocity filed of the water jacket were calculated.
最后以226B型發(fā)動機水腔為工程應(yīng)用對象，計算出了水腔內(nèi)的空泡份額分布和水腔內(nèi)的流度分布情況。

截面含氣率
Experimental and theoretical studies were carried out to investigate the characteristics of flow pattern, void fraction and frictional pressure drop of gas-water flow in horizontal transparent tubes under rolling state, the inner diameter of which was 25mm and 34.5mm respectively.
本文主要通過實驗研究和理論分析,對管徑分別為34.5mm和25mm水平布置的透明有機玻璃管內(nèi)氣-水兩相流在搖擺狀態(tài)下的流型、截面含氣率以及摩擦壓降進行了研究。
空隙率
When the aspect ratio is 1.0,the void fraction distribution does not affect the pressure variation and the structure is stability. Whereas,if the aspect ratio is in the range from 1.5 to 2.0,the structure is unstable when the pressure increases.
結(jié)果表明:該方法適合用于氣液兩相流空隙率的測量,在縱橫比為1.0時,氣泡羽流的結(jié)構(gòu)受壓強影響小,羽流結(jié)構(gòu)穩(wěn)定;縱橫比為1.5和2.0時,隨著壓強的增大,羽流結(jié)構(gòu)呈現(xiàn)不穩(wěn)定。
空隙組分
空隙分數(shù)

空泡率
The characteristic value for cross-sectional void fraction has been extracted basing on the analysis of 16-electrode parallel field.4.
3.分析了基于16電極平行電場空泡率測量方法的數(shù)據(jù)特征,并提取了用于表征截面空泡率的特征值。
分相含率
Detecting techniques for flow parameters, especially for void fraction, are presented in this paper.
本文介紹了兩相流動參數(shù)檢測技術(shù)特別是兩相流分相含率測量技術(shù)的研究現(xiàn)狀。
化學
充氣狀態(tài)