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Questions and Answers
What should the discussion of the results cover at a minimum?
Variation of refrigeration effect and COPR with discharge pressure
Does the compression process typically follow an isentropic path?
Yes
Is the energy input to the cold space constant for all discharge pressures?
Essentially constant
How good are the estimates of COP typically? What uncertainties exist?
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When did artificial ice manufacturing become practical?
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What were the names of three early refrigeration units and their respective years of appearance?
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What industry heavily relies on refrigeration for long-term storage and transportation of food?
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Which industry, apart from food, is mentioned as a heavy user of refrigeration?
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What technology has the present NASA space program relied on for storing and using rocket fuels?
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What was used for domestic refrigeration before the spread of electrical supply to individual dwellings?
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How did natural ice from lakes and ponds play a role in the commercial importance of refrigeration in the 18th century?
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In what year did the Kelvinator appear?
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What major technological development by Jacob Perkins in 1834 contributed to the practicality of artificial ice manufacturing?
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What percentage of food on tables today is produced, packaged, shipped, stored, and preserved by refrigeration?
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