Simulation Of A Collector Using Waste Heat
Energy In A Solar Chimney Power Plant System
Author(s)
Azeemuddin, H. H. Al-Kayiem & S. I. Gilani
Abstract
Rare techniques have been proposed for twenty four hour operation of a 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 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, it also contributes to the reduction of global warming by reduction
of the exhausted flue gases temperature.
Keywords: air heater, gas turbine, solar chimney power, waste heat energy.
Keywords
Keywords: air heater, gas turbine, solar chimney power, waste heat energy.
Related Book
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