A review on the two-phase pressure drop characteristics in helically coiled tubes

被引:44
作者
Fsadni, Andrew Michael [1 ]
Whitty, Justin P. M. [1 ]
机构
[1] Univ Cent Lancashire, Sch Engn, Rm KM124, Preston PR1 2HE, Lancs, England
关键词
Two-phase flow; Curved tubes; Frictional pressure drop; Flow boiling; Nanofluids; CONDENSATION HEAT-TRANSFER; GAS-LIQUID FLOW; NANOFLUID FLOW; TRANSFER COEFFICIENT; STEAM-GENERATOR; CAPILLARY TUBES; VOID FRACTION; CURVED PIPES; WATER; PERFORMANCE;
D O I
10.1016/j.applthermaleng.2016.04.125
中图分类号
O414.1 [热力学];
学科分类号
摘要
Due to their compact design, ease of manufacture and enhanced heat transfer and fluid mixing properties, helically coiled tubes are widely used in a variety of industries and applications. In fact, helical tubes are the most popular from the family of coiled tube heat exchangers. This review summarises and critically reviews the studies reported in the pertinent literature on the pressure drop characteristics of two-phase flow in helically coiled tubes. The main findings and correlations for the frictional two-phase pressure drops due to: steam-water flow boiling, R-134a evaporation and condensation, air-water two-phase flow and nanofluid flows are reviewed. Therefore, the purpose of this study is to provide researchers in academia and industry with a practical summary of the relevant correlations and supporting theory for the calculation of the two-phase pressure drop in helically coiled tubes. A significant scope for further research was also identified in the fields of: air-water bubbly flow and nanofluid two phase and three-Phase flows in helically coiled tubes. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码:616 / 638
页数:23
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