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ICE-MAKER HEAT PUMP HARVESTING SCHEME DEVELOPMENT AND ICE-PACKING DENSITY.

Author(s) : BAXTER V. D.

Summary

FOUR RESIDENTIAL SIZE TEST UNIT ICE-MAKER HEAT PUMPS (IMHPS) WERE TESTED UNDER THE ANNUAL CYCLE ENERGY SYSTEM (ACES) PROGRAM. ALTERNATIVE HARVESTING SCHEMES WERE EVALUATED FOR EFFECTIVENESS. THE ICE-PACKING DENSITY OF IMHPS WAS ALSO STUDIED AND COMPARED TO THAT OF ICE MANUFACTURED BY COMMERCIAL ICE MAKERS AND BRINE-CHILLER ACES. THREE HARVEST SCHEMES WERE TESTED: HOT-GAS, STORED-REFRIGERANT AND DUAL-FLUID OFF-CYCLE. THE HOT-GAS SCHEME TENDED TO PENALIZE EXCESSIVELY THE HEATING OUTPUT, STORED-REFRIGERANT SCHEMES ELIMINATED THAT PROBLEM BUT CAUSED COMPRESSOR FAILURES AND DUAL-FLUID SCHEMES EXHIBITED NO SUCH PROBLEMS. LARGER STORAGE BIN REQUIREMENTS MAKE PLATE-TYPE IMHP SYSTEMS SIGNIFICANTLY MORE EXPENSIVE THAN BRINE-CHILLER SYSTEMS IN MOST CASES.

Details

  • Original title: ICE-MAKER HEAT PUMP HARVESTING SCHEME DEVELOPMENT AND ICE-PACKING DENSITY.
  • Record ID : 1982-0988
  • Languages: English
  • Publication date: 1981
  • Source: Source: ASHRAE Trans.
    vol. 87; n. 1; 1429-1444; 9 fig.; 5 tabl.; 12 ref.; discuss.
  • Document available for consultation in the library of the IIR headquarters only.

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