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Heat Transfer in Liquid-Liquid Taylor Flow in Mini Scale Curved Tubing for Constant Wall Temperature

[+] Author and Article Information
Wesam Adrugi

Department of Mechanical Engineering Memorial University of Newfoundland St. John’s, NL, Canada, A1B 3X5
w.m.adrugi@mun.ca

Yuri Muzychka

Department of Mechanical Engineering Memorial University of Newfoundland St. John’s, NL, Canada, A1B 3X5
y.s.muzychka@mun.ca

Kevin Pope

Department of Mechanical Engineering Memorial University of Newfoundland
kpope@mun.ca

1Corresponding author.

ASME doi:10.1115/1.4036405 History: Received December 16, 2016; Revised March 28, 2017

Abstract

In this paper, heat transfer enhancement using liquid-liquid Taylor flow in mini scale curved tubing for isothermal boundary conditions is examined. The copper tubing has an inner tube diameter of Di = 1.65 mm with different radii of curvature and lengths. Taylor flow is created using water and low viscosity silicone oils (0.65 cSt, 1 cSt, 3 cSt) to examine the effect of Prandtl number on heat transfer rates in curved tubing. A series of experiments are conducted using tubing with constant length and variable curvature, as well as variable length and constant curvature. The experimental results are compared with models for liquid-liquid Taylor flow in straight tubing and single-phase flow in curved tubes. The results of the research develop a new model for liquid-liquid Taylor flow in curved tubing. This research provides new insights into the effect of curvature on heat transfer enhancement for liquid-liquid Taylor flow in mini scale curved tubing, at a constant wall temperature.

Copyright (c) 2017 by ASME
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