Analyzing the effect of solar chimney power plant by varying chimney height, collector slope and chimney diverging angle
Author(s):
JITENDRA AHIRWAR, PRASHANT SHARMA
ISSN:
2349-6002
Cite This Article:
Analyzing the effect of solar chimney power plant by varying chimney height, collector slope and chimney diverging angleInternational Journal of Innovative Research in Technology(www.ijirt.org) ,ISSN: 2349-6002 ,Volume 6 ,Issue 7 ,Page(s):213-219 ,December 2019 ,Available :IJIRT148906_PAPER.pdf
Keywords:
Solar chimney power plant; computational fluid dynamics; chimney height, solar collector slope; chimney divergent angle.
Abstract
In this study, a parametric 3D computational fluid dynamics (CFD) analysis of SCPP was performed to observe the effects of chimney height, collector slope and chimney diverging angle on performance of Manzanares prototype. Numerical models were incorporated with solar load, DO (discrete ordinates) and RNG k-ɛ turbulence models. Firstly, CFD results were validated by comparing them with Hassan et.al [2017]. Several numerical simulations were performed on varying height of chimney, collector’s slope and chimney diverging angles to improve the performance of solar chimney. Numerical simulations were performed at height of chimney H=180m-210m , chimney diverging angle = 20,40,60 and at collector slope = 20, 40, 60, 80 and 100 being all other parameters constant. It is seen that both velocity and temperature increases with increasing collector’s slope due to enhanced heat transfer and mass flow rate. higher collector slopes deteriorate the smooth air flow by developing vortices and recirculation of air, which obstructs the air flow and may reduce the overall performance. At height of 190m at 00 divergent angle 37.0840kW power is received whereas at 190m and 20 divergent angle 71.5204kW power is received with collector slope 40; therefore, this parameter of solar chimney power plant is best.
Article Details
Unique Paper ID: 148906

Publication Volume & Issue: Volume 6, Issue 7

Page(s): 213 - 219
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Volume 6 Issue 8

Last Date 25 January 2020


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