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Heat Pipe Science and Technology, An International Journal

ISSN Print: 2151-7975
ISSN Online: 2151-7991

Archives: Volume 1, 2010 to Volume 8, 2017

Heat Pipe Science and Technology, An International Journal

DOI: 10.1615/HeatPipeScieTech.v5.i1-4.720
pages 619-626

U-SHAPED HEAT PIPE HEAT EXCHANGER FOR AIR-CONDITIONING APPLICATION

Amit Sharma
Deenbandhu Chhotu Ram University of Science and Technology, Murthal, Haryana 131039, India
Sanjeev Jain
IITD
S. C. Kaushik
Center for Energy Studies, Indian Institute of Technology, Delhi, Hauz Khas, New Delhi 110016, India

ABSTRACT

Conventional method of humidity control using electrical heater is highly energy inefficient. Several methodologies have been proposed to eliminate reheating using heaters. One of the most promising methods is using heat pipe heat exchanger. In the present work, a U-shaped heat pipe heat exchanger has been wrapped around cooling coil such that the heat extracted from the incoming air, by the evaporator portion of the U-shaped heat pipe heat exchanger is used to reheat air by rejecting heat in the condenser portion of the heat exchanger. An experimental test facility for U-shaped heat pipe heat exchanger has been set up to conduct an experimental study. The experimental sensible heat transfer effectiveness of the heat exchanger is coming out to be in the range 0.22−0.42. The performance of heat pipe heat exchanger has also been compared with the simulated results using off-design performance prediction software.


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