Study on Frictional Pressure Drop of Steam-Water Two Phase Flow in Optimized Four-Head Internal-Ribbed Tube

WANG Weishu; ZHU Xiaojing; BI Qincheng; WU Gang; YU Shuiqing

Volume 33 Issue 3

Mar. 2025

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WANG Weishu, ZHU Xiaojing, BI Qincheng, WU Gang, YU Shuiqing. Study on Frictional Pressure Drop of Steam-Water Two Phase Flow in Optimized Four-Head Internal-Ribbed Tube[J]. Nuclear Power Engineering, 2012, 33(3): 38-41.

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WANG Weishu, ZHU Xiaojing, BI Qincheng, WU Gang, YU Shuiqing. Study on Frictional Pressure Drop of Steam-Water Two Phase Flow in Optimized Four-Head Internal-Ribbed Tube[J]. Nuclear Power Engineering, 2012, 33(3): 38-41.

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Study on Frictional Pressure Drop of Steam-Water Two Phase Flow in Optimized Four-Head Internal-Ribbed Tube

1. Sctool of Power Electric, North China Institute of Water Conservancy and Hydroelectric Power, Zhengzhou, 450011, China;
2. School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an, 710049, China

Received Date: 2011-07-19
Rev Recd Date: 2012-03-08

Available Online: 2025-03-08

Abstract

Abstract

The optimized internal-ribbed tube is different from the normal internal-ribbed tube on the frictional pressure drop characteristics.The frictional pressure drop characteristics of steam-water two phase flow in horizontal four-head optimized internal-ribbed were studied under adiabatic condition.According to the experimental and calculation results,the two-phase multiplier is greatly affected by the steam quality and pressure.The two-phase multiplier increases with increasing quality,and decreases with increasing pressure.In the near-critical pressure region,the two-phase multiplier is close to 1.The frictional pressure drop of two phase flow in optimized tube is less than that in the normal tube under the same work condition.The good hydrodynamic condition could be achieved when the optimized internal-ribbed tube is used in the heat transfer equipment because the self-compensating characteristics exist due to the reduction of frictional pressure drop.
- Optimized internal-ribbed tube,
- Steam-water two phase flow,
- Frictional pressure drop,
- Self-compensating characteristics

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