Energy and Exergy Analysis of a Plane Reflector Integrated Photovoltaic-Thermal Water Heating System | Zendy

Prem Sagar Naik | Zendy; P. Arun | Zendy

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Energy and Exergy Analysis of a Plane Reflector Integrated Photovoltaic-Thermal Water Heating System

Author(s) -

Prem Sagar Naik,

P. Arun

Publication year - 2014

Publication title -

isrn renewable energy

Language(s) - English

Resource type - Journals

eISSN - 2090-746X

pISSN - 2090-7451

DOI - 10.1155/2014/180618

Subject(s) - reflector (photography) , photovoltaic system , exergy , thermal , optics , materials science , solar energy , radiation , environmental science , thermal energy , energy transformation , tilt (camera) , solar mirror , nuclear engineering , photovoltaic thermal hybrid solar collector , mechanical engineering , meteorology , engineering , electrical engineering , physics , process engineering , thermodynamics , light source

A photovoltaic-thermal water heating system is a hybrid energy conversion device transforming the incident solar radiation to yield electrical energy and thermal energy. Plane reflectors are found to be a convenient option for enhancing the solar radiation incident on the collector plane. The present work investigates the performance of a photovoltaic-thermal water heater integrated with a plane reflector mounted on the top edge of the collector for the tropical climate of Calicut (11.25°N, 75.78°E). Performance testing of the system has been carried out for the winter season of the location. The variations in thermal and electrical output are studied for various inclination angles of the reflector. The system performance is evaluated on the basis of system energy efficiency and exergetic efficiency. It is observed that there is a significant enhancement in the thermal and electrical output of the system with the integration of the reflector as compared to the system without the reflector. For the present system, the reflector tilt angle in the range of 85–100° has been found to be suitable in terms of enhanced system output and exergetic efficiency for the winter conditions of Calicut.

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