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Increasing the efficiency of the compression process in vapour compression refrigeration systems

机译：提高蒸气压缩制冷系统中压缩过程的效率

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摘要

Steady-state energy used by refrigeration vapour compressors may be subdivided into mechanical, electrical and refrigerant-specific components. About one third of the total can be considered as mechanical and electrical losses whilst the energy required to raise the vapour from suction to delivery pressure is the principal function of the machine and accounts for the remainder. Optimum compression is often regarded as isentropic but minimum compression work is associated with the isothermal rather than the isentropic process. This paper presents the results of calculations that indicate differences between these processes are significant, suggesting a source of potential energy savings if the isothermal compression process can be achieved in a practical machine.
机译：制冷蒸气压缩机使用的稳态能量可细分为机械，电气和制冷剂特定的组件。总数的大约三分之一可被视为机械和电气损失，而将蒸汽从吸气压力提高到输送压力所需的能量则是机器的主要功能，其余部分则由机器承担。最佳压缩通常被认为是等熵的，但是最小压缩功与等温而不是等熵过程有关。本文介绍了计算结果，这些计算结果表明这些过程之间的差异非常明显，这表明如果可以在实际机器中实现等温压缩过程，则可以节省能源。

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