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Interfacial Shear Stress of Stratified Flow in a Horizontal Pipe 被引量:1
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作者 李卫东 孙科霞 周芳德 《Chinese Journal of Chemical Engineering》 SCIE EI CAS CSCD 1999年第3期263-270,共8页
Experimental data are presented for the void fraction and the shear stresses of stratified gas-liquid flow in a pipe. A new technique was used to measure the interface shear stress. The interfacial shear stress was de... Experimental data are presented for the void fraction and the shear stresses of stratified gas-liquid flow in a pipe. A new technique was used to measure the interface shear stress. The interfacial shear stress was determined by using two methods: a momentum balance of gas and an extrapolation of the Reynolds shear stress profile at the gas-liquid interface. A new formula , relating to the interfacial friction factor with the void fraction and superficial gas Reynold number, was developed to predict the interface shear stress . The predicted values are in good agreement with experimental data. 展开更多
关键词 interfacial shear stress stratified flow laser doppler velocitometer
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