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An Outlook On Phase Change Materials

Phase Change Materials, usually abbreviated as PCM’s are wonderfully useful for thermal storage applications.  These materials make it possible to store large amounts of heat  relative to a substance’s mass.  They do this in a similar way to the working

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Posted in Refrigeration

Household Refrigeration 1927

Notice the individual cabinet like doors on the refrigerator and the swinging drawer at bottom. Most units were belt driven external drive in this book. There was extensive use of flooded evaporators with low side floats at this time. I

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Posted in Old Refrigeration Texts, Refrigeration, Refrigerator

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