In order to create interior multiclimate zones suitable for plant cultivation in a solar chimney project proposed for the World Horticultural Exposition 2016 in China, the numerical investigation is performed to a solar chimney with 2 km radius and 1 km height. The simulation methodology is validated by experimental data. The impacts of inlet height and radius to interior thermal characteristics are evaluated. It is found that the temperature field is much similar when the inlet height decreases from 3.8 m to 0.5 m. With further decrease of the inlet height to 0.2 m, its impact to temperature field is significant. The temperature field is similar though the radius of solar chimney decreases from 2.0 km to 1.725 km. Further decrease to 1.13 km results in much lower temperature field as less radiate heat is obtained. The procedure of soil surface temperature calculation is also proposed to obtain the supplementary heat amount maintaining the required temperature for plant cultivation.
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February 2014
Research-Article
Numerical Investigation of Thermal Characteristics in a Solar Chimney Project
Hongtao Xu,
Hongtao Xu
1
e-mail: htxu@usst.edu.cn
1Corresponding author.
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Mo Yang
University of Shanghai for Science and
Technology,
Mo Yang
School of Energy and Power Engineering
,University of Shanghai for Science and
Technology,
Shanghai 200093
, China
Search for other works by this author on:
Hongtao Xu
e-mail: htxu@usst.edu.cn
Mo Yang
School of Energy and Power Engineering
,University of Shanghai for Science and
Technology,
Shanghai 200093
, China
1Corresponding author.
Contributed by the Solar Energy Division of ASME for publication in the Journal of Solar Energy Engineering. Manuscript received August 10, 2012; final manuscript received May 15, 2013; published online xx xx, xxxx. Assoc. Editor: Yves Gagnon.
J. Sol. Energy Eng. Feb 2014, 136(1): 011008 (7 pages)
Published Online: July 16, 2013
Article history
Received:
August 10, 2012
Revision Received:
May 15, 2013
Citation
Xu, H., Karimi, F., and Yang, M. (July 16, 2013). "Numerical Investigation of Thermal Characteristics in a Solar Chimney Project." ASME. J. Sol. Energy Eng. February 2014; 136(1): 011008. https://doi.org/10.1115/1.4024742
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