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Pre-conditioning ventilation air using indirect evaporative cooling based on heat pipe technology.

Number: pap. ID: 129

Author(s) : XU X. G., DENG S. M., TANG C. F.

Summary

There is a minimum outdoor air requirement for maintaining a healthy air conditioned indoor environment. Exhausted air from an air conditioned space is cold and dry, with a large potential to recover its cooling energy for preconditioning ventilation air. On the other hand, a heat pipe heat exchanger (HPHE) can be suitably used in a heat recovery system. Meanwhile, when an air conditioning system operates at a humid climate, a large amount of cold condensate is available. If the cold condensate can be distributed on one side of a HPHE and vaporized into the exhausted air stream, both the sensible cooling energy of the condensate and the latent cooling energy of the exhausted air may be recovered. A theoretical analysis and an experimental investigation on the efficiency of pre-conditioning ventilation air using indirect evaporative cooling based on heat pipe technology have been carried out and are reported in this paper.

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Pages: 8 p.

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Details

  • Original title: Pre-conditioning ventilation air using indirect evaporative cooling based on heat pipe technology.
  • Record ID : 30001572
  • Languages: English
  • Subject: Environment
  • Source: Proceedings of the 23rd IIR International Congress of Refrigeration: Prague, Czech Republic, August 21-26, 2011. Overarching theme: Refrigeration for Sustainable Development.
  • Publication date: 2011/08/21

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