Numerical simulation and exergy analysis of a single-stage GM cryocooler [PDF]
Improving the efficiency of the GM cryocoolers is of great importance for energy saving and CO2 emission reduction due to the large amount of cryocoolers installed in the emerging fields of semiconductor manufacture and High Temperature Superconductors ...
Qinyu Zhao +6 more
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Comparison and Development of Rotary and Scroll Compressor
The performance of compressors is an important key in air-source heat pumps under different climatic conditions. The development of compressors is reviewed in this study.
Li Minxia +4 more
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The analysis of promising directions for creation of domestic component base of volumetric rotary machines for low power energy, refrigeration and climate technology [PDF]
An overview analysis of research and development in the field of volumetric rotary machines for low power energy, refrigeration and climate technology, as well as the state of the world and Russian market of compressor and expansion machines of this ...
V. L. Yusha +2 more
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Hu Y. S., Wei H. J., Yu B., Yang O. X., Wang J., Wu J. Research on the vapor injection of two-stage rotary compressor / trans. from Engl. M. A. Fedorova [PDF]
In order to understand the vapor injection flow characteristics of two-stage rotary compressor in the course of compression, a mathematical model based on mass conservation equation, energy equation and thermodynamic identity was established and proved
M. A. Fedorova
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B. Cui, K. Becker, U. Lüdersen, M. Gottschlich, S. Kabelac. A study on the kinematics of a new Schukey-type rotary compressor / trans. from Engl. M. A. Fedorova [PDF]
A new type of rotary compressor, called «rotary-chamber compressor», consists of two interlocking rotors with 4 wings each, that perform non-uniform rotary movements. Both rotors have the same direction of rotation, while one rotor is accelerating, the
M. A. Fedorova
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The oscillation of a rotary compressor was measured and analyzed in the frequency and time domains. The harmonic wavelet transform was used to dissolve the oscillation signal into a series of single-frequency components.
Yusheng Hu +4 more
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A Review on Sliding Vane and Rolling Piston Compressors
Rotary compressors have been employed in heating and cooling for more than a century and are ubiquitous in daily life but there has not been any comprehensive record of their development and technological advances. This review paper attempts to provide a
Kuan Thai Aw, Kim Tiow Ooi
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Numerical Study on Liquid-Return Characteristics in the Accumulator of the R290 Rotary Compressor
Liquid often exists in the accumulator of the rotary compressor during the process of startup or defrost of air-conditioning systems. Too much liquid entering the compressor cylinder would result in excessive pressure caused by the liquid compression ...
Jie Lin +4 more
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On the relationship of digital technological platforms of large chemical and oil refining industries with the technical appearance of the compressor equipment fleet [PDF]
Issues related to possible problems in the implementation of digitalization programs for large enterprises for the processing of natural hydrocarbon and mineral raw materials, due to the discrepancy between the technical level of the existing fleet of ...
V. L. Yusha +4 more
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Effects of Evaporator and Condenser Temperatures on the Performance of a Chiller System With a Variable Speed Compressor [PDF]
The operation and performance of heat-pump systems are affected by indoor and outdoor operating conditions. Power consumption and system efficiency are related to evaporator and condenser working pressures.
Ahmed H. Al-Hassani, Alaa R. Al-Badri
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