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The Korean Hydrogen and New Energy Society (한국수소및신에너지학회)
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Mathematical Simulation on Thermal Performance of Packed Bed Solar Energy Storage System

Packed Bed 태양에너지 저장시스템의 열성능에 관한 수학적 시뮬레이션

  • KUMAR, ANIL (School of Mechanical Engineering, Kyungpook National University) ;
  • KIM, MAN-HOE (School of Mechanical Engineering, Kyungpook National University)
  • Received : 2015.07.20
  • Accepted : 2015.08.30
  • Published : 2015.08.30
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Abstract

Solar air heaters (SAHs) are simple in design and widely used for solar energy collection devices, and a packed bed is one of typical solar energy storage systems of thermal energy captured by SAHs. This paper presents mathematical modeling and simulation on the thermal performance of various packed bed energy storage systems. A MATLAB program is used to estimate the thermal efficiency of packed bed SAH. Among the various packed bed energy storage systems considered, the wire mesh screen packed bed SAH shows the best thermal efficiency over the entire range of design conditions. The maximum of thermal efficiency of packed bed SAH with wire mesh screen matrices has been found to be 0.794 for Re=2000 - 20000 and ${\Delta}T/I=0.002-0.02$.

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References

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