A single dimensionless variable for solar chimney power plant modeling

Koonsrisuk, Atit; Chitsomboon, Tawit

doi:10.1016/j.solener.2009.07.015

Cited by 66 publications

(18 citation statements)

References 21 publications

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“…In 2009, Koonsrisuk and Chitsomboon [111] established a dynamic similarity between a prototype and its scaled models with combining eight primary variables into one dimensionless variable. Three physical configurations of the plant (fully geometrically similar, partially geometrically similar and dissimilar types) were tested numerically by them for similarity.…”

Section: Analytical and Simulation Studiesmentioning

confidence: 99%

A review on solar chimney systems

Kasaeian

Molana

Rahmani

et al. 2017

Renewable and Sustainable Energy Reviews

143

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The increased utilization of solar energy has gained the attention of researchers to develop the solar chimney (SC) technology in recent years. Many studies have been conducted in this aear both experimentally and theoretically, whereas experimental studies are mainly focused on small-scale systems. This work provides a comprehensive and updated review that include most of the experimental studies, analytical and simulation works, the solar chimney applications, hybrid systems and geographical case studies based on extended references, citation of the updated works and the specified way of looking at different sections. The technological gaps in differnet sections are identified and a summary of suggestions is given for the future work, including more experimental works on the large-scale systems, and CFD analyses for optimization between the geometrical parameters and the output power. More studies on new applications of solar chimney technology including hybrid systems are also recommended.

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Section: Analytical and Simulation Studiesmentioning

confidence: 99%

A review on solar chimney systems

Kasaeian

Molana

Rahmani

et al. 2017

Renewable and Sustainable Energy Reviews

143

View full text Add to dashboard Cite

show abstract

“…Fourthly, the model of Zhou et al, (2009) also diverges from CFD results and overestimates plant's performances. Fifthly, the model of Koonsrisuk and Chitsomboon., (2009) gives reasonable solutions comparable to Schlaich et al, (2005).…”

Section: 2mentioning

confidence: 99%

Experimental study in natural convection

Ousmane¹,

Dianda²,

Kam³

et al. 2015

Glo Jnl Pure Appl Sci

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The study of thermal and ventilation parameters, obtained in a transient, laminar solar chimney of reduced dimensions, (1 < m <3) m with a square collector (side = 2m) is presented. Experimental measurements has been made to determine the temperature of the absorber and the fluid in the collector, it is shown that at the entrance of the chimney, the temperature of the absorber decreases slightly while that of the fluid is maintained at a maximum level. Temperature differences were observed up to 32°C between the atmosphere and the fluid in April. A temperature variation at the absorber depending on the stack height is presented. Temperature measurements in the chimney, at various heights depending on the axial coordinate, show a variable temperature profile. It is, from these, shown that, in the selected interval of stack height, the average speeds of output increase linearly as a function of stack height. For a chimney of 3m in height and 20cm in diameter, a maximum speed of approximately 0.7 ms -1 was observed. The lack of appropriate equipment handicaps the velocity measurement at the chimney entrance. Thus, the results of simulations with the computer code COMSOL 5.1 has confirmed temperature values measured at the chimney entrance and after this, velocity values are determined.

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“…Gholamalizadeh and Kim [25] developed a more accurate three-dimensional (3-D) model using CFD that predicts heat transfer inside of the solar collector by taking into account the greenhouse effect using discrete ordinates for radiation and a solar load model. A 3-D CFD approach was also carried out by Guo et al [23] which predicted the maximum value of the turbine pressure drop at a certain solar irradiance.…”

Section: Introductionmentioning

confidence: 99%

A Comparative Study of CFD Models of a Real Wind Turbine in Solar Chimney Power Plants

Gholamalizadeh

Chung

2017

Energies

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A solar chimney power plant consists of four main parts, a solar collector, a chimney, an energy storage layer, and a wind turbine. So far, several investigations on the performance of the solar chimney power plant have been conducted. Among them, different approaches have been applied to model the turbine inside the system. In particular, a real wind turbine coupled to the system was simulated using computational fluid dynamics (CFD) in three investigations.

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A single dimensionless variable for solar chimney power plant modeling

Cited by 66 publications

References 21 publications

A review on solar chimney systems

A review on solar chimney systems

Experimental study in natural convection

A Comparative Study of CFD Models of a Real Wind Turbine in Solar Chimney Power Plants

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