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Thermal Performance and payback period analysis of solar photovoltaic cell (PV) assisted earth air tunnel heat exchanger (EATHE) in summer for Bhopal, India

Author(s):

Sanjay Kumar Tripathi , Scope College of Engineering, Bhopal (M.P.), India; P.S. Yadav, Scope College of Engineering, Bhopal (M.P.), India; Anurag Kulshreshtha, Scope College of Engineering, Bhopal (M.P.), India; Gaurav Gupta, Scope College of Engineering, Bhopal (M.P.), India

Keywords:

EATHE, Greenhouse, Payback Period, Earth Tube, Solar Energy, Coefficient of Performance

Abstract

This investigation deals with analysis of solar photovoltaic cell (PV) assisted earth air tunnel heat exchanger (EATHE) for cooling in Bhopal, India. Today, the world faces the problems like ozone layer depletion, temperature hike, disturbance in human comfort etc. Due to the climate change caused by the refrigerants (CFCs) used in conventional air conditioning systems. When the room air is passing through the Earth tubes, the air is cooled in summer. Using this free energy, we can reduce the energy consumption required for space conditioning. For cooling of buildings, the EATHEs are considered as an efficient means. For renewable energy sources, many people are turning to the sun as a way to generate electricity without pollution. While solar energy definitely has rewards over traditional electricity generation, there are some drawbacks as well. It determines the possible production of green electricity from photovoltaic systems that could be used for air conditioning. The solar energy application through solar panel integrated EATHE for cooling is examined and compared to experimental values. The experimental setup was under operational conditions successfully during the year 2014-15. EATHE is a horizontal type closed loop system consists of mild steel pipe of 24 m long, 0.1584 m diameter and 3 mm thickness and it is buried below the ground surface at the depth of 3.048 m. The experimental set-up was used to studies the performance evaluation analysis of a solar photovoltaic system assisted earth air tunnel heat exchanger that is used for greenhouse cooling for various performance measures. In addition to this, payback period for solar panel aided EATHE is calculated. The payback period is 2.7 years. Calculation has been carried out using a temperature of 400C.

Other Details

Paper ID: IJSRDV4I10911
Published in: Volume : 4, Issue : 1
Publication Date: 01/04/2016
Page(s): 866-870

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