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Numerical simulation of heat transfer in an earth-air pipe system for space cooling.

Author(s) : ZHU D. S., WU H. J., WANG S. W.

Summary

Earth-air pipe systems can be used in space cooling for energy conservation. A transit numerical model based on numerical heat transfer and computational fluid dynamics is presented to predict the pipe outlet temperatures and the thermal performance. The superposition technology is used in analyzing the ground temperature field due to the ambient temperature variation and the temperature distribution at the buried pipe vicinity due to the air flow and heat transfer in the pipe. The effects of pipe length, pipe radius, and air velocity on the pipe outlet temperature are studied. The proposed model is validated against an experiment in South China region and good agreement is found between them.

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Pages: 2004-2

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Details

  • Original title: Numerical simulation of heat transfer in an earth-air pipe system for space cooling.
  • Record ID : 2005-2160
  • Languages: English
  • Source: Natural Working Fluids 2004: 6th IIR-Gustav Lorentzen Conference
  • Publication date: 2004/08/01

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