An increase in the temperature difference in the evaporator and/or condenser of a refrigeration system or Organic Rankine Cycle (ORC), leads in the first case to the increase in the compressor mechanical work consumption and for the ORC, to a decrease in the mechanical work production, ...
For accounting the difference of LMTD (currently assuming that the heat transfers do not change too much) the product UA of condenser with winglet should be proportionately higher. 2. The area of heat transfer is not differing in both the condensers. So, in UA only U of condenser with ...
Heat pipe is heat transfer device working at a minimum temperature difference of evaporator and condenser. Operating temperature of the heat pipe determine by properties of the working substance and pressure achieved during production. T... A. aja,P Nemec,M Malcho - 《European Physical Journal Co...
Thermosyphon cooling is an alternative liquid cooling technique, in which heat is transferred as heat of vaporization from evaporator to condenser with a relatively small temperature difference. The effect of fluid properties, the structure of wall surfaces, and the effect of system pressure was ...
The paper presents a non-dimensional analysis of entropy generation in heat exchangers of the evaporator and/or condenser type. The entropy generation is normed by the product of the overall heat transfer coefficient and the heat transfer surface area. In the analysis only the influence...
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aThe objective of this concept (Fig. 1a) is to reduce the temperature difference across the evaporator and condenser of an air to air heat pump through the use of solar energy, thereby improving the system performance and heating capacity at lower ambient temperatures 这个概念宗旨 (。 1a) 是通...
The economic and environmental consequences of this result are obvious. In a multieffect evaporator, for each kg. of water evaporated: 1. The quantity of steam consumed is inversely proportional to the number of effects. 2. The quantity of cooling water utilized in the condenser is inversely pr...
Make a simple model for the compressor and models for the evaporator circuit and condenser circuit. Using the methods of computation thermal analysis (CTA), integrate the models in a model for optimization of two-phase ejectors and estimation of performance characteristics of the refrigeration cycle....
PROBLEM TO BE SOLVED: To reduce the height of an evaporator unit by reducing the height difference of a drain pan, in the evaporator unit of a refrigerating device formed such that an evaporator and an evaporator fan are disposed in an air flow passage in a casing provided on one end side...