Simulation and analysis of a flat plate solar air heater with and without internal recycle

In this thesis, a mathematical model to analyze the heat exchanges in two different types of solar air collectors was developed. The effect of placing a barrier inside a flat plate solar air heater was also investigated and all of them were simulated in two and three dimensions using the commercial...

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Main Author:	Ghaderian, Javad
Format:	Thesis
Language:	English
Published:	2011
Subjects:	TJ Mechanical engineering and machinery
Online Access:	http://eprints.utm.my/id/eprint/32797/1/JavadGhaderianMFKM2017.pdf
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spelling	my-utm-ep.327972018-05-27T07:51:46Z Simulation and analysis of a flat plate solar air heater with and without internal recycle 2011 Ghaderian, Javad TJ Mechanical engineering and machinery In this thesis, a mathematical model to analyze the heat exchanges in two different types of solar air collectors was developed. The effect of placing a barrier inside a flat plate solar air heater was also investigated and all of them were simulated in two and three dimensions using the commercial software FLUENT. When building the thermal mathematical model it was shown that for each collector, at quasi steady state, the energy balance equations of the components of the collector cascade into a single first-order non-linear differential equation that is able to predict the thermal behavior of the collector. The heat transfer model clearly demonstrates the existence of an important dimensionless parameter, referred to as the thermal performance of the collector, which compares the useful thermal energy which can be extracted from the heater to the overall thermal losses of that collector for a given set of input parameters. An analysis of the thermal models was performed for the most significant input parameters such as the incident solar irradiation, the air mass flow rate, the depth of the fluid channel, in order to measure the impact of each of these parameters on the model. It was shown that the optimal barrier location for maximum collector efficiency is the center line of the collector. The numerical modeling was successfully validated as computed parameters such as thermal performance, efficiency, outlet temperature and Nusselt number matched closely to the available experimental data. 2011 Thesis http://eprints.utm.my/id/eprint/32797/ http://eprints.utm.my/id/eprint/32797/1/JavadGhaderianMFKM2017.pdf application/pdf en public http://dms.library.utm.my:8080/vital/access/manager/Repository/vital:77868?queryType=vitalDismax&query=Simulation+and+analysis+of+a+flat+plate+solar+air+heater+with+and+without+internal+recycle&public=true masters Universiti Teknologi Malaysia, Faculty of Mechanical Engineering Faculty of Mechanical Engineering
institution	Universiti Teknologi Malaysia
collection	UTM Institutional Repository
language	English
topic	TJ Mechanical engineering and machinery
spellingShingle	TJ Mechanical engineering and machinery Ghaderian, Javad Simulation and analysis of a flat plate solar air heater with and without internal recycle
description	In this thesis, a mathematical model to analyze the heat exchanges in two different types of solar air collectors was developed. The effect of placing a barrier inside a flat plate solar air heater was also investigated and all of them were simulated in two and three dimensions using the commercial software FLUENT. When building the thermal mathematical model it was shown that for each collector, at quasi steady state, the energy balance equations of the components of the collector cascade into a single first-order non-linear differential equation that is able to predict the thermal behavior of the collector. The heat transfer model clearly demonstrates the existence of an important dimensionless parameter, referred to as the thermal performance of the collector, which compares the useful thermal energy which can be extracted from the heater to the overall thermal losses of that collector for a given set of input parameters. An analysis of the thermal models was performed for the most significant input parameters such as the incident solar irradiation, the air mass flow rate, the depth of the fluid channel, in order to measure the impact of each of these parameters on the model. It was shown that the optimal barrier location for maximum collector efficiency is the center line of the collector. The numerical modeling was successfully validated as computed parameters such as thermal performance, efficiency, outlet temperature and Nusselt number matched closely to the available experimental data.
format	Thesis
qualification_level	Master's degree
author	Ghaderian, Javad
author_facet	Ghaderian, Javad
author_sort	Ghaderian, Javad
title	Simulation and analysis of a flat plate solar air heater with and without internal recycle
title_short	Simulation and analysis of a flat plate solar air heater with and without internal recycle
title_full	Simulation and analysis of a flat plate solar air heater with and without internal recycle
title_fullStr	Simulation and analysis of a flat plate solar air heater with and without internal recycle
title_full_unstemmed	Simulation and analysis of a flat plate solar air heater with and without internal recycle
title_sort	simulation and analysis of a flat plate solar air heater with and without internal recycle
granting_institution	Universiti Teknologi Malaysia, Faculty of Mechanical Engineering
granting_department	Faculty of Mechanical Engineering
publishDate	2011
url	http://eprints.utm.my/id/eprint/32797/1/JavadGhaderianMFKM2017.pdf
_version_	1747816062784634880

Simulation and analysis of a flat plate solar air heater with and without internal recycle

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