Investigation of Heat Exchanger Performance in Heat Pipe Solar Air Heater

Document Type : Primary Research paper

Authors

1 Research Scholar, Department of Mechanical Engineering ,Sri Satya Sai University of Technology and Medical Sciences, Sehore Bhopal-Indore Road, Madhya Pradesh, India

2 Research Guide, Department of Mechanical Engineering ,Sri Satya Sai University of Technology and Medical Sciences, Sehore Bhopal-Indore Road, Madhya Pradesh, India

Abstract

In this work, a heat pipe solar air heater has been developed with the intention of enhancing the performance of solar air heaters. Heat pipes have become more common in the design of solar collectors as a means of achieving more effective heat transmission. In recent years, heat pipes have undergone several iterations of improvement, and a micro heat pipe array with enhanced heat transmission properties has been produced. Even after sunset, the air temperature is maintained at a consistent level in the heat storage-based absorber for a brief period of time. Therefore, the incorporation of thermal storage into the solar collector not only stores heat for use during hours when the sun isn't shining, but it also increases the absorber's ability to retain energy and maintains a constant temperature. According to the findings, the solar air heater has an average thermal efficiency of up to 80% when it is functioning normally, and the time constant is around 12 minutes. According to the findings of the experiments, the heat pipe solar air heater has a higher thermal efficiency. The thermal and exergy efficiency of modified solar air heater setups are compared with those of a typical collector that consists of a simple absorber and does not include any energy storage.

Keywords

Int. J. of Aquatic Science
Volume 12, Issue 3 - Serial Number 3
ICMMNT-2021 International Virtual Conference on Materials, Manufacturing and Nanotechnology, 30th June, 2021.
June 2021
Pages 3392-3301

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