void fraction

常见例句

The change regularities on void fraction and density of powder material were revealed mathematically.
同时，运用数学的方法揭示了粉体的空隙率和粉体密度的变化规律。
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.
近年来填充床反应器CFD数学模型韵几个研究重点是动量交换系数、毛细管压力以及床层空隙率的非均匀分布性。
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型发动机水腔为工程应用对象，计算出了水腔内的空泡份额分布和水腔内的流度分布情况。