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research-article

Determination of Parabolic Through Solar Collector Efficiency Using Nano-Fluid: A Comprehensive Numerical Study

[+] Author and Article Information
Hamidreza Khakrah

Department of Mechanical Engineering, Faculty of Engineering, Sharif University of Technology, International Campus , Kish Island, Iran
hrkhakrah@yahoo.com

Amir Shamloo

Department of Mechanical Engineering, Sharif University of Technology, Tehran, Iran
shamloo@sharif.edu

Siamak Kazemzadeh Hannani

Department of Mechanical Engineering, Sharif University of Technology, Tehran, Iran
hannani@sharif.edu

1Corresponding author.

ASME doi:10.1115/1.4037092 History: Received November 10, 2016; Revised May 03, 2017

Abstract

Due to significant reduce in fossil fuel sources; several researches have been conducted recently to explore modern sources of renewable energy. One of the major fields in the category of renewable energy harnessing devices is parabolic trough solar collectors (PTC). Several parameters have effect on the overall efficiency of the PTC’s. As the effect of these parameters is coupled to each other, a comprehensive investigation is necessary. In the present study a numerical analysis is performed to examine the efficiency of PTCs via variation of several involving parameters (et. wind velocity magnitude, nanoparticles volume fraction, inlet temperature and reflector’s orientation). A detailed set of absorber, reflector, and protection glass in addition to the surrounding environment is modeled to capture sufficiently accurate data. The working fluid is assumed to be nanofluid to inspect the advantageous of metallic nanoparticle addition to the base fluid. The Monte Carlo radiation tracing method is utilized to calculate the solar gain on the absorber tube.

Copyright (c) 2017 by ASME
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