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TECHNICAL PAPERS: Radiative Transfer

Experimental Investigations of Radially Rotating Miniature High-Temperature Heat Pipes

[+] Author and Article Information
Jian Ling, Yiding Cao, Alex P. Lopez

Department of Mechanical Engineering, Florida International University, Miami, FL 33199

J. Heat Transfer 123(1), 113-119 (Sep 05, 2000) (7 pages) doi:10.1115/1.1332777 History: Received June 11, 1999; Revised September 05, 2000
Copyright © 2001 by ASME
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References

Figures

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Schematic of radially rotating heat pipes
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Schematic of the high-speed rotating test apparatus
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Schematic of radially rotating miniature heat pipes (d=1.5 and 2 mm)
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Comparisons of temperature distributions and heat inputs between the experimental data, closed-form analytical solution (Lc,n=4 mm), and the heat pipe container: (a) ω2a /g=470,di=2 mm, W=6.7×10−3m3/s; (b) ω2a /g=470,di=1.5 mm, W=6.7×10−3m3/s.
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Temperature distributions along the heat pipe length with the diffuse effects of non-condensable gases during the heat pipe startup process: (a) ω2a /g=470,di=1.5 mm, Q=176 W; (b) ω2a /g=470,di=2 mm, Q=175 W.
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Temperature distributions along the dimensionless heat pipe length with different heat inputs: (a) ω2a /g=470,di=2 mm, W=6.7×10−3m3/s; (b) ω2a /g=470,di=1.5 mm, W=6.7×10−3m3/s.
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Temperature distributions along the dimensionless heat pipe length with different rotating frequencies and flow rates of the cooling air (ω2a /g=1306,di=2 mm, W=11.2×10−3m3/s)
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Comparisons of temperature distributions along the dimensionless heat pipe length with different flow rates of the cooling air: (a) ω2a /g=470,di=2 mm, Q=200 W; (b) ω2a /g=1306,di=2 mm, Q=200 W.
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Temperature distributions along the dimensionless heat pipe length with different rotating frequencies: (a) Q=225 W, di=1.5 mm; (b) Q=225 W, di=2 mm.
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Comparisons of temperature distributions along the dimensionless heat pipe length with different inner diameter: (a) Q=200 W, ω2a /g=470,W=6.7×10−3m3/s; (b) Q=200 W, ω2a /g=1881,W=13.4×10−3m3/s.

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