HEAT TRANSFER MODEL FOR LIQUID-LIQUID TAYLOR FLOW IN MINI-SCALE COILED TUBING

被引：0
|
作者：
Adrugi, W. M. [1 ]
Muzychka, Y. S. [1 ]
Pope, K. [1 ]
机构：
[1] Mem Univ Newfoundland, Dept Mech Engn, St John, NF A1B 3X5, Canada
来源：
PROCEEDINGS OF THE ASME 16TH INTERNATIONAL CONFERENCE ON NANOCHANNELS, MICROCHANNELS, AND MINICHANNELS, 2018 | 2016年
基金：
加拿大自然科学与工程研究理事会;
关键词：
Heat Transfer; Taylor Flow; Liquid Liquid; Coiled Mini-scale Tubing; RESIDENCE TIME DISTRIBUTION; WATER 2-PHASE FLOW; SLUG FLOW;
D O I：
暂无
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
In this paper, an experimental study on heat transfer enhancement using non-boiling liquid-liquid Taylor flow in mini scale coiled tubing for constant wall temperature conditions is conducted. Coiled copper tubing with different radii of curvature and lengths were used as test sections. Segmented slug flow with water and three low viscosity silicone oils (1 cSt, 3 cSt, 5 cSt) were used to examine the effect of Prandtl number on heat transfer rates in coiled tubing. Additionally, benchmark tests were conducted of single-phase flow in a straight tube. The experimental results are compared with models for liquid-liquid Taylor flow in straight and coiled tubing. This research provides new insights on the enhanced heat transfer rates attainable with using liquid-liquid Taylor flow in mini scale coiled tubing. This enhancement occurs due to internal circulation and secondary flow in the fluid segments.
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页数：9
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