Earth air tunnel heat exchanger is a passive cooling device with advantageous feature to reduce energy consumption in buildings. Curtailing the electricity consumption of conventional vapor compression system based air-conditioner is a major concern especially in area with hot and dry weather conditions. The performance of conventional air-conditioners can substantially be enhanced by coupling these active cooling systems with passive cooling systems. In the present research, the thermal performance and energy conservation potential of hybrid cooling system has been investigated experimentally. An attempt has been made to enhance the thermal performance of active cooling system by coupling it with earth air tunnel heat exchanger (EATHE) in two different hybrid modes. The air which comes out of EATHE is relatively cooler than the ambient air and therefore can be used either for cooling the condenser tubes of a conventional window type air-conditioner or supplying it directly to the room being conditioned. The energy consumption of conventional 1.5TR window type air conditioner is found to be reduced by 16.11% when cold air from EATHE is completely used for condenser cooling.
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Ajmer, Rajasthan 305001, India
Malaviya National Institute of Technology,
Jaipur, Rajasthan 302001, India
Ajmer, Rajasthan 305002, India
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September 2013
Research-Article
Evaluating Thermal Performance and Energy Conservation Potential of Hybrid Earth Air Tunnel Heat Exchanger in Hot and Dry Climate—In Situ Measurement
Rohit Misra,
Rohit Misra
1
Mechanical Engineering Department,
Jaipur, Rajasthan 302001, India
e-mail: rohiteca@rediffmail.com
Malaviya National Institute of Technology
,Jaipur, Rajasthan 302001, India
e-mail: rohiteca@rediffmail.com
1Corresponding author.
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Vikas Bansal,
Ajmer, Rajasthan 305001, India
Vikas Bansal
Government Women Engineering College
,Ajmer, Rajasthan 305001, India
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Jyotirmay Mathur,
Malaviya National Institute of Technology,
Jaipur, Rajasthan 302001, India
Jyotirmay Mathur
Mechanical Engineering Department
,Malaviya National Institute of Technology,
Jaipur, Rajasthan 302001, India
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Tarun Aseri
Ajmer, Rajasthan 305002, India
Tarun Aseri
Government Engineering College
,Ajmer, Rajasthan 305002, India
Search for other works by this author on:
Rohit Misra
Mechanical Engineering Department,
Jaipur, Rajasthan 302001, India
e-mail: rohiteca@rediffmail.com
Malaviya National Institute of Technology
,Jaipur, Rajasthan 302001, India
e-mail: rohiteca@rediffmail.com
Vikas Bansal
Government Women Engineering College
,Ajmer, Rajasthan 305001, India
Jyotirmay Mathur
Mechanical Engineering Department
,Malaviya National Institute of Technology,
Jaipur, Rajasthan 302001, India
Tarun Aseri
Government Engineering College
,Ajmer, Rajasthan 305002, India
1Corresponding author.
Manuscript received March 25, 2012; final manuscript received September 8, 2012; published online June 24, 2013. Assoc. Editor: Zahid Ayub.
J. Thermal Sci. Eng. Appl. Sep 2013, 5(3): 031006 (9 pages)
Published Online: June 24, 2013
Article history
Received:
March 25, 2012
Revision Received:
September 8, 2012
Citation
Misra, R., Bansal, V., Das Agarwal, G., Mathur, J., and Aseri, T. (June 24, 2013). "Evaluating Thermal Performance and Energy Conservation Potential of Hybrid Earth Air Tunnel Heat Exchanger in Hot and Dry Climate—In Situ Measurement." ASME. J. Thermal Sci. Eng. Appl. September 2013; 5(3): 031006. https://doi.org/10.1115/1.4023435
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