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research-article

Energy and Exergy Analysis of Marquise Shaped Channel Flat Plate Solar Collector Using Al2O3?water Nanofluid and Water

[+] Author and Article Information
Sahil Arora

Department of Mechanical Engineering, Shri Mata Vaishno Devi University, J & K
arorasahil2305@gmail.com

Geleta Fekadu

Department of Mechanical and Industrial Engineering, Indian Institute of Technology Roorkee
gelefeke@gmail.com

Sudhakar Subudhi

Department of Mechanical and Industrial Engineering, Indian Institute of Technology Roorkee
subudfme@iitr.ac.in3

1Corresponding author.

ASME doi:10.1115/1.4042454 History: Received February 18, 2018; Revised December 20, 2018

Abstract

This present study aims to evaluate the performance of a solar flat-plate collector using Al2O3/water nanofluid and pure water. Experimental setup comprises of a special type of solar flat plate collector, a closed working fluid system and the measurement devices (thermocouples, temperature meter, flow meter and solar power meter). The absorber plate of the solar flat plate collector is made of two aluminum plates sandwiched together with Marquise-shaped flow channels. The effects of various parameters like collector inlet and outlet fluid temperature, mass flow rate of fluid, solar radiation, and ambient temperature on the energy and the exergy efficiency of the collector are investigated. The maximum energy efficiencies attained are 83.17% and 59.72%, whereas the maximum exergy efficiency obtained are 18.73% and 12.29% for the 20 nm- Al2O3/water nanofluids and pure water respectively at the mass flow rate of 3 liters per minute. The sophisticated design of absorber plate gives higher efficiency than that of conventional absorber plate.

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