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An evaluation of the ASHRAE method for predicting capillary tube-suction line heat exchanger performance.

Author(s) : BITTLE R. R., STEPHENSON W. R., PATE M. B.

Summary

The ASHRAE method of predicting capillary tube performance, including the effect of suction line heat exchange, was experimentally evaluated for R12. Capillary tube-suction line heat exchangers are commonly used in household refrigerator application. The performance test data were taken over a range of operating conditions and heat exchanger geometries applicable to household refrigerators. Measured mass flow rates and calculated effective subcooling values were compared to predictions using the appropriate ASHRAE design charts. Most mass flow rate data points fell within 5% of prediction, and all fell within 10% of prediction. Effective subcooling data were within 1.7 deg C of prediction.

Details

  • Original title: An evaluation of the ASHRAE method for predicting capillary tube-suction line heat exchanger performance.
  • Record ID : 1996-3392
  • Languages: English
  • Source: ASHRAE Transactions.
  • Publication date: 1995/06/24
  • Document available for consultation in the library of the IIR headquarters only.

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