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A COMPARISON BETWEEN COOLING RATES ACHIEVED USING A PROPANE JET DEVICE AND PLUNGING INTO LIQUID PROPANE.

Author(s) : ROBARDS A. W., SEVERS N. J.

Type of article: Article

Summary

THE PROPANE JET GAVE A MEAN COOLING RATE BETWEEN 273 AND 173 K OF 6,079 + OU -1,096 KS-1 (MEAN + OU -STANDARD ERROR) WHEREAS PLUNGING INTO LIQUID PROPANE GAVE 7,910 + OU -350 KS-1 OVER THE SAME RANGE. PLUNGING BY HAND INTO LIQUID PROPANE GAVE RELATIVELY REPRODUCIBLE RATES BETWEEN ABOUT 6,000 AND 10,000 KS-1 WHEREAS RATES RECORDED USING THE PROPANE JET WERE EXTRAORDINARILY VARIABLE RANGING FROM 1,500 AND 25,000 KS-1. THIS WAS ALSO REFLECTED IN DIFFERENT SIZES OF ICE CRYSTAL SEEN IN SAMPLES COOLED DURING SEPARATE RUNS.

Details

  • Original title: A COMPARISON BETWEEN COOLING RATES ACHIEVED USING A PROPANE JET DEVICE AND PLUNGING INTO LIQUID PROPANE.
  • Record ID : 1982-0284
  • Languages: English
  • Source: Cryo-Letters - vol. 2 - n. 5
  • Publication date: 1981
  • Document available for consultation in the library of the IIR headquarters only.

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