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Absorption chiller crystallization control strategies for integrated cooling heating and power systems.

Author(s) : LIAO X., RADERMACHER R.

Type of article: Article, IJR article

Summary

The concept of an air-cooled absorption chiller system is attractive because the cooling tower and the associated installation and maintenance issues can be avoided. However, crystallization of the LiBr-H2O solution then becomes the main challenge in the operation of the chiller, since the air-cooled absorber tends to operate at a higher temperature and concentration level than the water-cooled absorber due to the relative heat transfer characteristics of the coolant. This leads to crystallization of the working fluid. The paper focuses on the crystallization issues and control strategies in LiBr-H2O air-cooled absorption chillers. As a result a novel application opportunity is proposed for the integration of absorption chillers into cooling, heating and power systems. This new methodology allows for air cooler operation while avoiding crystallization.

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Pages: 904-911

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Details

  • Original title: Absorption chiller crystallization control strategies for integrated cooling heating and power systems.
  • Record ID : 2007-1537
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 30 - n. 5
  • Publication date: 2007/08

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