The Design of Earth Air Tunnel Heat Exchanger System for an Institute Library

Sunil Kumar Khandelwal; Anuj Mathur; G. D. Agrawal

The Design of Earth Air Tunnel Heat Exchanger System for an Institute Library

Sunil Kumar Khandelwal ¹, Anuj Mathur ², G. D. Agrawal ³

Affiliations
1 Mechanical Engineering Department, Govt. Ram Chandra Khaitan Polytechnic College, Jaipur-302004, India
2 Centre for Energy and Environment, Malaviya National Institute of Technology, Jaipur-302017, India
3 Department of Mechanical Engineering, Malaviya National Institute of Technology, Jaipur-302017, India

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In this paper a simple Excel based mathematical model has been developed in order to design the EATHE system for the ground floor of library of the Malaviya National Institute of Technology Jaipur for meeting a given cooling/heating load. This model helps in determining characteristic dimensions, air flow rate, number of pipes, selection of blower and economic investments in an EATHE system. A thermal comfort survey was also conducted to find the thermal comfort temperature inside the library of MNIT, which is approx 28.6 °C, quiet near to the temperature obtained through this EATHE system.