By American Society of Heating Refrigerating and Air-Conditioning Engineers
This guide covers the refrigeration gear and platforms for purposes except human convenience. This e-book comprises info on cooling, freezing, and storing foodstuff; business purposes of refrigeration; and low-temperature refrigeration. essentially a reference for the practising engineer, this quantity can be worthwhile for someone fascinated with cooling and garage of foodstuff items. This variation comprises new chapters. bankruptcy three, Carbon Dioxide Refrigeration platforms, describes the background of this "natural refrigerant" and why it's the topic of renewed curiosity this day. The bankruptcy includes dialogue and diagrams on CO2 refrigerant purposes, approach layout, gear, security, lubricants, commissioning, operation, and upkeep. bankruptcy 50, Terminology of Refrigeration, lists a number of the universal phrases utilized in business refrigeration structures, rather structures utilizing ammonia because the refrigerant.
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The industry's such a lot entire resource of HVAC and refrigeration info for greater than 60 years. each bankruptcy undergoes a rigorous four-year assessment method that examines the content material and precludes product or procedure bias.
Designed for college students engineers, the 5th version of this vintage textual content bargains with basic technology and layout rules of air-con engineering platforms. W P Jones is an stated specialist within the box, and he makes use of his event as a lecturer to give the cloth in a logical and available demeanour, constantly introducing new innovations with using labored examples.
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Additional resources for 2010 ASHRAE Handbook - Refrigeration (SI Edition)
Brazed- and welded-plate fluid chillers can be used to improve efficiencies and reduce refrigerant charge. Ice, wax, or food products are frozen and scraped from some freezer surfaces. Electronic circuit boards, mechanical products, or food products (where permitted) are flash-cooled by direct immersion in boiling refrigerants. These are some of the diverse applications demanding innovative configurations and materials that perform the function of an evaporator. Compressors can be positive-displacement, reciprocatingpiston, rotary-vane, scroll, single and double dry and lubricantflooded screw devices, and single- or multistage centrifugals.
How to size future process vessels. Chemical Engineering (May). B. 1976. Two-phase pressure drop in refrigerant liquid overfeed systems-Design tables. ASHRAE Transactions82(2): 107-133. , H. Lau, and E. Skuchas. 1976. Two-phase pressure drop in refrigerant liquid overfeed systems-Experimental measurements. ASHRAE Transactions82(2): 134-150. W. 1967. Pump overfeed evaporator refrigeration systems. Air Conditioning, Heating& RefrigerationNews(January 30, February 6, March 6, March 13, March 20, March 27).
Considerations include ambient temperatures, heat leakage, fluctuating system pressures from compressor cycling, internal bypass of liquid to pump suction, friction heat, motor heat conduction, dynamic conditions, cycling of automatic evaporator liquid and suction stop valves, action of regulators, gas entrance with liquid, and loss of subcooling by pressure drop. Another factor to consider is the time lag caused by the heat capacity of pump suction, cavitation, and net positive suction pressure factors (Lorentzen 1963).
2010 ASHRAE Handbook - Refrigeration (SI Edition) by American Society of Heating Refrigerating and Air-Conditioning Engineers