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SIMULATION OF AN EVAPORATOR WITH NONUNIFORM ONE-DIMENSIONAL AIR DISTRIBUTION.

Author(s) : DOMANSKI P. A.

Summary

THE PAPER PRESENTS A SIMULATION MODEL OF A PLATE-FIN, AIR-TO-REFRIGERANT HEAT EXCHANGER USED AS AN EVAPORATOR IN RESIDENTIAL AIR CONDITIONING. THE MODEL CAN ACCOUNT FOR NONUNIFORM AIR DISTRIBUTION BEWEEN COIL TUBES AND SIMULATES REFRIGERANT DISTRIBUTION FOR COIL CIRCUITS AND INDIVIDUAL TUBES. THE MODEL IS BASED ON A TUBE-BY-TUBE APPROACH. PERFORMANCE OF EACH TUBE IS ANALYZED SEPARATELY. A COMPARISON OF THE MODEL'S PREDICTIONS AND LABORATORY TEST DATA IS PROVIDED. SIMULATION RESULTS INDICATE THAT AIR MALDISTRIBUTION MAY INDUCE MALDISTRIBUTION OF A REFRIGERANT, WHICH CONTRIBUTES TO THE PERFORMANCE DEGRADATION OF THE EVAPORATOR.

Details

  • Original title: SIMULATION OF AN EVAPORATOR WITH NONUNIFORM ONE-DIMENSIONAL AIR DISTRIBUTION.
  • Record ID : 1992-2388
  • Languages: English
  • Publication date: 1991
  • Source: Source: ASHRAE Trans.
    vol. 97; n. 1; 1793-802; 4 fig.; 2 tabl.; 16 ref.; discuss.
  • Document available for consultation in the library of the IIR headquarters only.

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