A Concentrating Photovoltaic (CPV) system arranged in an asymmetrically heated inclined parallel plate configuration is numerically simulated to investigate the turbulent natural convection inside the system. The flow is induced by the thermal buoyancy force. A low-Reynolds-number k-ε model with modified near wall functions from the Yang-Shih turbulence model has been adapted to numerically solve transport equations for k and ε. The model predictions are validated with available numerical and experimental data given in the literature. The comparison with the published data indicates a good agreement. The calculations are performed for asymmetric heating and assuming the fixed value for CPV cell temperature. The aspect ratio (L/W) and Rayleigh number are kept constant at 36.75 and 2.49×108 respectively. The current study is focused on evaluating the impact of variation of channel inclination and Nusselt number on the thermal profile inside the CPV system.
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ASME 2010 4th International Conference on Energy Sustainability
May 17–22, 2010
Phoenix, Arizona, USA
Conference Sponsors:
- Advanced Energy Systems Division and Solar Energy Division
ISBN:
978-0-7918-4395-6
PROCEEDINGS PAPER
Numerical Modeling of Turbulent Natural Convection in a Concentrating Photovoltaic System Available to Purchase
K. M. Nazmul Ahsan,
K. M. Nazmul Ahsan
University of Nevada, Las Vegas, Las Vegas, NV
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Robert F. Boehm,
Robert F. Boehm
University of Nevada, Las Vegas, Las Vegas, NV
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Yitung Chen,
Yitung Chen
University of Nevada, Las Vegas, Las Vegas, NV
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Jianhu Nie
Jianhu Nie
University of Nevada, Las Vegas, Las Vegas, NV
Search for other works by this author on:
K. M. Nazmul Ahsan
University of Nevada, Las Vegas, Las Vegas, NV
Robert F. Boehm
University of Nevada, Las Vegas, Las Vegas, NV
Yitung Chen
University of Nevada, Las Vegas, Las Vegas, NV
Jianhu Nie
University of Nevada, Las Vegas, Las Vegas, NV
Paper No:
ES2010-90187, pp. 435-442; 8 pages
Published Online:
December 22, 2010
Citation
Ahsan, KMN, Boehm, RF, Chen, Y, & Nie, J. "Numerical Modeling of Turbulent Natural Convection in a Concentrating Photovoltaic System." Proceedings of the ASME 2010 4th International Conference on Energy Sustainability. ASME 2010 4th International Conference on Energy Sustainability, Volume 2. Phoenix, Arizona, USA. May 17–22, 2010. pp. 435-442. ASME. https://doi.org/10.1115/ES2010-90187
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