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Simulation of Collector Using Waste Heat Energy in Solar Chimney Power Plant System

Azeemuddin, Islamuddin and Al-Kayiem, Hussain H. and Gilani, Syed Ihtsham-ul-Haq (2013) Simulation of Collector Using Waste Heat Energy in Solar Chimney Power Plant System. In: The Sustainable City VIII. WIT Transaction on Ecology and the Environment, 2 (179). WIT Express, UK, pp. 933-944. ISBN 978-1-84565-887-9

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Abstract

Rare techniques have been proposed for twenty four hour operation of the solar chimney power plant (SCPP). In this study, another technique is suggested by utilizing waste heat energy in the form of flue gases flow in conduits within the solar collector. The process of the heat and fluid flow within the collector were simulated using ANSYS software. The predicted performance and the enhancement of the collector are presented and discussed. The results show a significant increase in the overall performance of the solar chimney power plant. At 1000 W/m2 solar radiation, the collector temperature rise is from 19 to 23 K, the updraft velocity is increased from 15.6 m/s to 17.1 m/s, the power output increased from 50.1 kW to 66.1 kW and the efficiency is improved from 0.116% to 0.144%. Although the technique contributes to the performance enhancement of the SCPP, but it also contributes to the reduction of global warming by reduction of the exhausted flue gases temperature.

Item Type:Book Section
Subjects:Q Science > QC Physics
T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TD Environmental technology. Sanitary engineering
Academic Subject One:Academic Department - Mechanical Engineering - Energy - Sustainable energy - Solar power
Departments / MOR / COE:Mission Oriented Research > Energy
ID Code:11011
Deposited By: Assoc Prof Hussain H. Al-Kayiem
Deposited On:02 Jan 2014 00:47
Last Modified:02 Jan 2014 00:47

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