Heat Transfer Enhancement Using Laminar Gas-Liquid Segmented Plug Flows-Reference-Cited by-同舟云学术

Heat Transfer Enhancement Using Laminar Gas-Liquid Segmented Plug Flows

Published:2011-01-11 Issue:4 Volume:133 Page:
ISSN:0022-1481
Container-title:Journal of Heat Transfer
language:en
Short-container-title:

Author:

Muzychka Y. S.¹²,Walsh E. J.¹³,Walsh P.¹³

Affiliation:

1. Mem. ASME

2. Faculty of Engineering and Applied Science, Memorial University of Newfoundland, St. John’s, NL, A1B 3X5, Canada

3. Stokes Research Institute, University of Limerick, Castletroy, County Limerick, Ireland

Abstract

Heat transfer enhancement using segmented nonboiling gas-liquid flow is examined. Segmentation results in a two phase flow of liquid/gas having a constant liquid fraction; i.e., no phase change occurs. In this flow configuration, enhanced heat transfer occurs as a result of a shorter effective thermal length due to internal fluid circulation in the liquid plugs. A simple theory for laminar segmented flows is developed based on scaled Graetz theory and comparisons made with existing published data from the literature and new experimental data obtained in a companion study. The proposed model is valid for an isothermal tube wall provided that the axial residence time of the flow is such that dimensionless tube length L⋆<0.1.

Publisher

ASME International

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

Link

http://asmedigitalcollection.asme.org/heattransfer/article-pdf/doi/10.1115/1.4002807/5918048/041902_1.pdf

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