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IIR document

Dynamic characteristics of liquid desiccant air-conditioning system.

Number: 0469

Author(s) : NISHIGUCHI T., TOYAMA H., YAMAGUCHI S.

Summary

Currently, energy-efficient air-conditioning equipment is required to realize an energy-efficient society. Ventilation and appropriate dehumidification are necessary for the living environment. Therefore, focus is placed on liquid-desiccant air-conditioning systems. In this study, the control of a liquid desiccant air-conditioning system is performed under actual weather conditions using a feedback control system to evaluate the energy-saving performance and response of absolute humidity of the supply air, which is the control quantity, toward energy saving. This study aims to gain knowledge for establishing a control method. For the case when humidity is high throughout the entire day, the absolute humidity of the supply air can be controlled within ±0.05 g/kg(DA) most of the time, regardless of whether the manipulated variable is hot water temperature or the air flow rate on the regenerator side.

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Pages: 8

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Details

  • Original title: Dynamic characteristics of liquid desiccant air-conditioning system.
  • Record ID : 30031856
  • Languages: English
  • Subject: Technology
  • Source: Proceedings of the 26th IIR International Congress of Refrigeration: Paris , France, August 21-25, 2023.
  • Publication date: 2023/08/21
  • DOI: http://dx.doi.org/10.18462/iir.icr.2023.0469

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