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Technical Brief

Sector Rotating Heat Pipe With Interconnected Branches and Reservoir for Turbomachinery Cooling

[+] Author and Article Information
Brian Reding

Department of Mechanical and Materials Engineering,
Florida International University,
10555 W. Flagler Street,
EC3400,
Miami, FL 33174
e-mail: breding@fiu.edu

Yiding Cao

Department of Mechanical and Materials Engineering,
Florida International University,
10555 W. Flagler Street,
EC3400,
Miami, FL 33174
e-mail: caoy@fiu.edu

1Corresponding author.

Contributed by the Heat Transfer Division of ASME for publication in the JOURNAL OF HEAT TRANSFER. Manuscript received May 27, 2016; final manuscript received August 1, 2016; published online September 20, 2016. Editor: Dr. Portonovo S. Ayyaswamy.

J. Heat Transfer 139(1), 014503 (Sep 20, 2016) (4 pages) Paper No: HT-16-1313; doi: 10.1115/1.4034487 History: Received May 27, 2016; Revised August 01, 2016

Heat pipe technology offers a possible cooling technique for structures exposed to high heat fluxes, as in turbomachinery such as compressors and turbines. However, in its current configuration as single heat pipes, implementation of the technology is limited due to the difficulties in manufacturability and costs. Hence, a study to develop a new radially rotating (RR) heat pipe system was undertaken, which integrates multiple RR heat pipes with a common reservoir and interconnected braches for a more effective and practical solution to turbomachinery cooling. Experimental study has shown that the integration of multiple heat pipe branches with a reservoir at the top is feasible.

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References

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Figures

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Fig. 3

Temperature distributions of sector heat pipe and sector heat pipe shell (Q = 75 W and f = 15 Hz)

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Fig. 2

Schematic of sector heat pipe, reservoir location

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Fig. 1

Hidden line view of turbomachinery disk representation

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Fig. 4

Lengthwise temperature distributions of the sector heat pipe with different heat inputs (f = 45 Hz)

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Fig. 5

Lengthwise temperature distributions for sector heat pipe with different rotational frequencies (Q = 75 W)

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Fig. 6

Lengthwise temperature distributions for sector heat pipe with different filling ratios (Q = 75 W and  f=15 Hz)

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