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Effect of the chimney design on the thermal characteristics in solar chimney power plant
Journal of Thermal Analysis and Calorimetry, 2019Solar chimney power plant (SCPP) is an interesting project to produce clean and sustainable energy. An efficient SCPP system requires a very high chimney, and thus the optimization of the chimney shape presents an important way to enhance the SCPP performance.
Haythem Nasraoui +2 more
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Effect of humidity on the performance of rooftop solar chimney
Thermal Science and Engineering Progress, 2022Abstract A mathematical model of a solar chimney was developed considering moist air as a participatory media. This model coheres to the steady-state heat transfer equations derived for glass cover, moist-air between the glass cover and the absorber wall, and for the absorber wall separately. An in-house developed MATLAB code solves the equations via
Himanshu Dahire +2 more
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Effects of suction flow on the performance of a solar chimney
AIP Conference Proceedings, 2021Solar chimney has been applied on various aspects of building physics and green design. It makes natural ventilation based on stack effect from absorbing solar radiation. A Computational Fluid Dynamics (CFD) method has been widely utilized to model the heat transfer and air flow inside the chimney.
Y. Q. Nguyen, T. N. Huynh
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Prediction of cloud effects in chimney plumes
Atmospheric Environment (1967), 1983Abstract A numerical model to predict the occurrence of visible condensation and cloud length in chimney plumes is tested against observations of the plume from a 500 MW natural gas-fired power station at Melbourne, Australia. The model employs two entrainment parameters selected from the literature on plume trajectories and not fitted to the ...
K.T. Spillane, C.C. Elsum
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Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering, 2017
The aim of this paper is to highlight the impact of the chimney height on the local characteristics of the air flow within a solar chimney power plant. The solar chimney power plant prototype was numerically and experimentally investigated. The experimental prototype of the solar chimney power plant was built in the National School of Engineers of Sfax,
Ahmed Ayadi +5 more
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The aim of this paper is to highlight the impact of the chimney height on the local characteristics of the air flow within a solar chimney power plant. The solar chimney power plant prototype was numerically and experimentally investigated. The experimental prototype of the solar chimney power plant was built in the National School of Engineers of Sfax,
Ahmed Ayadi +5 more
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Investigation of effect of temperature on solar chimney efficiency
AIP Conference Proceedings, 2020The thermal efficiency of solar chimney can be improved by making model design changes. In this study, a solar chimney temperature at solar chimney entry and exit is investigated. The effect of polythene sheet is investigated with the temperature change. Efficiency at different time has been found. An experimental model comprising a 5 m- diameter solar
Gonehalli Sujaykumar, Vani Rao
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Renewable Energy, 2012
A comprehensive theoretical model is proposed for the performance evaluation of a solar chimney power plant (SCPP), and has been verified by the experimental data of the Spanish prototype. This model takes account of the effects of flow and heat losses, and the temperature lapse rates inside and outside the chimney.
Jing-yin Li, Peng-hua Guo, Yuan Wang
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A comprehensive theoretical model is proposed for the performance evaluation of a solar chimney power plant (SCPP), and has been verified by the experimental data of the Spanish prototype. This model takes account of the effects of flow and heat losses, and the temperature lapse rates inside and outside the chimney.
Jing-yin Li, Peng-hua Guo, Yuan Wang
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Effects of Physical Geometry on Solar Chimney Performance
2021The global power demand increases due to the growth of population, change of lifestyle for modernization, and development of technology. All these factors highly depend on electricity which is known as one of the pure energy received from natural resources.
Ahmed Jawad +4 more
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Lazy Plume Stack Effect Above Chimneys
2021A natural draft chimney is defined by the existence of buoyancy and a solid wall barrier between two regions of fluids that differ in density. This familiar concept is approximately true for chimneys of relatively small flow area-to-height ratios.
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Stack Effect Correlation for Rooftop Solar Chimneys
Volume 4: Energy Systems Analysis, Thermodynamics and Sustainability; Combustion Science and Engineering; Nanoengineering for Energy, Parts A and B, 2011A correlation for calculating flow rate of air in solar chimneys is developed. This correlation is based on the variables that have the most direct influence on the volume flow rate of air through a solar chimney. These variables include: the spacing between the absorbing wall and glass (chimney depth), absorbing wall temperature, inlet air temperature
Mohammad H. Naraghi +1 more
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