Mathematical modeling of solar chimney power plants

Koonsrisuk, Atit; Chitsomboon, Tawit

doi:10.1016/j.energy.2012.10.038

Cited by 123 publications

(36 citation statements)

References 19 publications

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“…Particular consideration is taken in case of utilizing natural convection heat transfer problem happening in SCPP in the laminar region. Koonsrisuk and Chitsomboon [119] carried out a mathematical modeling to evaluate the performance of solar chimney power plants. This study indicated that the solar heat flux, the turbine pressure drop and the plant size were the significant parameters for enhancing the system performance.…”

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

“…This pressure difference is called the "available driving pressure" and symbolized as dptot. Neglecting friction losses, dptot can be subdivided into a turbine extraction component representing the pressure extracted at the turbine, and a dynamic component describing the kinetic energy of the airflow: (9) where and are the pressure differences on the turbine and overall pressure differences for the system respectively.…”

Section: Mathematical Modelmentioning

confidence: 99%

“…Instead of assuming the flow rate in Ref. [9], it can be calculated from the following equation [11];…”

Section: Mathematical Modelmentioning

confidence: 99%

“…The former includes quantities such as the solar radiation and ambient temperature, whereas the latter includes the height and radius of both the chimney and collector. The mathematical model of Koonsrisuk and Chitsomboon [9] is used with modification of calculating the mass flow rate entering the chimney instead of assuming it. With the stations numbered as in Fig.…”

Section: Mathematical Modelmentioning

confidence: 99%

“…Bernardes et al [7] have developed recent comprehensive models, and Pretorius and Kröger [8] presented some techniques to predict the SCPP performance. Koonsrisuk and Chitsomboon [9] predicted the performance characteristics of large-scale commercial solar chimneys, indicating that the plant size, the factor of pressure drop at the turbine, and solar heat flux were important parameters for a performance enhancement. The collector radius and chimney height of 200 m and 400 m, respectively, were built.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Experimental and Theoretical Performance of Mini Solar Chimney Power Plant

Mekhail¹,

Rekaby²,

Fathy³

et al. 2017

JOCET

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Abstract-Electricity production generated by sufficient amount is a critical issue over the entire world. The global warming is another critical issue. Currently, renewable energy sources are ones of the most important solutions to deal with these two issues. Aswan city is one of the hottest and sunniest cities in the world. This climate conditions makes the city an ideal place for Solar Chimney Power Plant (S.C.P.P) to produce electrical energy. In this study, a very small model of chimney height of 6m, collector diameter of 6m and chimney diameter of 0.15m is installed. The mathematical model which is based on the thermodynamic analysis of the flow inside the SCPP, is used to predict its performance .The experimental performance and the theoretical one-calculated from the mathematical model-are found to be in a good agreement. This model is used to predict the output power of a bigger model of 20m chimney height, 30 m squared collector and 1m chimney diameter which is still under construction. The results show that the bigger model can produce a theoretical power of about 600 hundreds times the smaller one. This study helps in selecting the generator power for the bigger model.

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Calculation of aerosol optical depth in solar radiation for different meteorological conditions

Mao

Yuan

Zhang

et al. 2016

Env Prog and Sustain Energy

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A multitude of concentrating solar thermal power projects are currently being developed or proposed in many countries. Direct normal irradiance has an important impact on the optical-thermal conversion efficiency and rate of the plants. Though many researches focus on solar radiation, there are not many to emphasize variable air quality in different meteorological conditions. In this paper, aerosol optical depth of the atmosphere based on four wavelengths for three meteorological conditions in China has been experimented. To obtain solar radiation, two researches have been investigated as follows: the one is to calculate turbidity coefficients of the atmosphere according to Angstrom Law for different spectral aerosol optical depths, and another is to calculate the distribution characteristics of aerosol particles in the atmosphere and aerosol optical depths for the broadband using inversion method of experimental data. The results showed that the average value of turbidity coefficients for a clear day has a minimum of 0.9032 and the standard deviation has a maximum of 0.2870. The results also showed that the sizes of aerosol particle and aerosol optical depths for the broadband based on experimental values are different. The results can provide a reference to accurately calculate solar radiation.

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Mathematical modeling of solar chimney power plants

Cited by 123 publications

References 19 publications

A review on solar chimney systems

A review on solar chimney systems

Experimental and Theoretical Performance of Mini Solar Chimney Power Plant

Calculation of aerosol optical depth in solar radiation for different meteorological conditions

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