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A modular experimental and simulation approach for the systematic development of adsorption heat pumps.

Number: pap. n. 18

Author(s) : LANZERATH F., SEILER J., BAU U., et al.

Summary

The design of adsorption heat pumps is still usually based on experience and often experimental effort. The experimental effort can be reduced by using simulation models. In the present study a dynamic model is both calibrated and validated with a modular adsorption heat pump test bed. The modularity of the test bed enables the exchange of single components, without changing the remaining setup. This modular structure is also reflected in the object-oriented dynamic model. Model calibration is based on the heat flows of all components. This measure allows to gain deep insight into system behavior and quantitative comparison of model accuracy. The calibrated model is validated by predicting the system behavior for different operating conditions and also changed adsorbent materials. Adsorbent materials silica gel 123 and zeolite 13X are investigated. Operating points vary in cycle length, as well as temperature of evaporation, adsorption and desorption. The model exhibits excellent prediction capability for the coefficient of performance and for the specific cooling power. The modular setup of the model allows targeted optimization of adsorption heat pump systems regarding operation conditions and system design.

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Pages: 10 p.

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Details

  • Original title: A modular experimental and simulation approach for the systematic development of adsorption heat pumps.
  • Record ID : 30013325
  • Languages: English
  • Source: International sorption heat pump conference (ISHPC2014), College Park, United States, March 31-April 2, 2014.
  • Publication date: 2014/03/02

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