Heat load in Refrigeration

Heat load in Refrigeration
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  • Item #: Heat load in Refrigeration
  • Manufacturer: R D Holder
  • Condition: New
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 Heat load in Refrigeration system

 Survey

 The person involved in heat transfer calculations needs accurately information to predict

 the heat load on a refrigerated system. The more complete the information, the better the

 calculation. Good calculations are the first step in assuring adequate selection in

 refrigeration equipment for the project.

 Design ambient temperatures

 This would be the ambient surrounding the box necessary for the load calculations.

 Another ambient to consider is the one surrounding the condensing unit, which will

 affect equipment selection.

 Storage Temperature and Humidity Requirements

 Refrigeration equipment by its nature is a dehumidification process. To minimize the

 drying effect of the refrigeration equipment, by selecting the appropriate temperature

 difference (T.D.) between the saturated suction temperature of the evaporator and the

 room air. The T.D. selected approximates the desired relative humidity.

 Temperature Difference in Refrigeration Space

 The preservation of food and other products in optimum condition by refrigeration

 depends not only upon the temperature of the refrigerated space but also upon the

 humidity of the space. When relative humidity in the refrigerated space is too high, the

 growth of mold, fungus, and bacteria is encouraged. Mold and slime conditions may

 occur particularly on meats that are in a refrigerated space with higher than 95% relative