Wind-Augmented Heat Transfer in an Open Thermosyphon Tube With Large Length-Diameter Ratios

The paper reports an experimental study of the open thermosyphon tube when its heat transfer performance is augmented by the prevailing wind flowing down the inside of an insert tube concentric with the thermosyphon tube. Data are presented for the large length-diameter ratios characteristic of geot...

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Bibliographic Details
Published in:Journal of heat transfer 1990-02, Vol.112 (1), p.71-77
Main Authors: Lock, G. S. H, Kirchner, J. D
Format: Article
Language:English
Subjects:
420400 - Engineering- Heat Transfer & Fluid Flow
ANNULAR SPACE
BENCH-SCALE EXPERIMENTS
CONFIGURATION
CONVECTION
ENERGY TRANSFER
ENGINEERING
ENGINEERING GEOLOGY
Exact sciences and technology
FLOW MODELS
Fundamental areas of phenomenology (including applications)
GEOLOGIC STRUCTURES
GEOLOGY
HEAT PIPES
HEAT TRANSFER
MASS TRANSFER
MATHEMATICAL MODELS
Physics
SPACE
WIND
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Description
Summary:The paper reports an experimental study of the open thermosyphon tube when its heat transfer performance is augmented by the prevailing wind flowing down the inside of an insert tube concentric with the thermosyphon tube. Data are presented for the large length-diameter ratios characteristic of geotechnical applications. A flow model is developed and used to interpret these and other results. Comparisons are made with the performance of liquid-filled thermosyphons.
ISSN:0022-1481
1528-8943
DOI:10.1115/1.2910367