The entropy generation rates due to mechanical energy loss are still positive even if the corresponding frictional pressure drops are negative in vertical slug and churn flows. Superficial gas velocity is a very significant factor for the entropy generation rate due to mechanical energy loss.
Jan 27, 2021 · It is found that the frictional pressure drop along with a buoyancy-like term contributes to the entropy generation due to mechanical energy ...
[PDF] Entropy Generation for Negative Frictional Pressure Drop in ...
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It is found that the frictional pressure drop along with a buoyancy-like term contributes to the entropy generation due to mechanical energy loss for steady ...
It is found that the frictional pressure drop along with a buoyancy-like term contributes to the entropy generation due to mechanical energy loss for steady, ...
已经发现，由于垂直和倾斜管道中稳定的，不可压缩的团块和搅动流的机械能损失，摩擦压降以及类似浮力的项有助于熵的产生。实验是在直径为0.04 m的竖管中进行 ...
Frictional pressure drop is determined by either subtracting hydrostatic head from total pressure drop according to momentum balance, or subtracting potential ...
Entropy generation rate (EGR) is known as flow irreversibility, which is related to the rate of liquid holdup and pressure-drop, in slug unit. The present work ...
It is widely accepted that the frictional pressure drop is impossible to be negative for pipe flow. However, the negative frictional pressure drops were ...
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Entropy Generation for Negative Frictional Pressure Drop in Vertical Slug and Churn Flows. by Lei Liu, Dongxu Liu and Na Huang. Entropy 2021, 23(2), 156 ...
An entropy generation model is developed for two-phase boiling flow based on the drift flux approach. The distinct terms for entropy generation due to heat ...