Modern trends in the improvement of water-cooled refrigeration machines (chillers) for air conditioning systems

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Abstract

The production program of the world's leading manufacturers of water-cooled refrigeration machines (chillers) used in air conditioning systems, as a rule, consists of two groups of equipment: a group of domestic chillers (standard cooling capacity range 5 ... 150 kW) and a group of industrial chillers (range standard cooling capacity 35 ... 1500 kW). The cooling capacity ranges are estimates: depending on the manufacturer, the limit values ​​can either increase or decrease.

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1. JATS XML
2. Rice. 1. Chiller

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3. Rice. 2. Placement of tube bundles in shell-and-tube evaporators

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4. Rice. 3. Profile of the inner surface of the evaporator tubes

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5. Rice. 4. Dependence of the heat transfer coefficient on the specific refrigerant flow

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