Results 1 to 10 of about 247 (111)
Energies, 2023 The cooling capacity needed by ultra-low temperature apparatus cannot be reached economically with a single vapor compression refrigeration cycle due to the constraint of the high compressor pressure ratio.
Zhenzhen Liu +3 more
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Energies, 2023 During the last decade, many industrial and medical applications have shown a requirement for low-temperature-cooling usage (from −40 to −80 °C), which cannot be efficiently obtained via the conventional refrigeration systems usually employed for medium ...
Muhammad Zahid Saeed +5 more
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Study on Application of Double-pipe Condenser for Auto-cascade Refrigeration
Zhileng xuebao, 2014 Auto-cascade refrigeration system is widely used to obtain low temperature environment between -40 ℃ ~ -150 ℃. Double-pipe condenser is commonly regarded for condensing equipment in auto-cascade refrigeration system, its characteristics and structure ...
Rui Shengjun +3 more
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Study of Water-cooled Auto-cascade Refrigeration Cycle with a Low Temperature of﹣60 ℃
Zhileng xuebao, 2015 A new water-cooled auto-cascade refrigeration cycle(WACR) using a binary refrigerant mixture is presented, which adopts a condenser-phase separator instead of a condenser and an evaporative separator in traditional auto-cascade refrigeration cycle.
Yang Yongan, Yang Zhao, Liu Bin
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Research on Condensation Heat Transfer with Presence of Non-condensable Gases
Zhileng xuebao, 2006 The effect of non-condensable gases in the progress of condensation heat transfer were described.In this research,a new way of eliminating this effect in an auto-cascade refrigeration cycle was proposed.In addition,the calculation for the coefficient of ...
程有凯, 常琳, 张丽, 李永恒
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The study of thermodynamic properties of zeotropic mixtures of R600a/R23/R14
Advances in Mechanical Engineering, 2017 Thermodynamic properties of zeotropic mixtures of R600a/R23/R14 have been investigated and calculated based on the established mathematical model. The deviations of bubble pressure and vapor composition between the simulation results and the experimental
Yinlong Wu +4 more
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Development Status of Auto-cascade Refrigeration Technology
Zhileng xuebao, 2015 As a refrigeration technology with wide-temperature district, auto-cascade refrigeration has a very broad application prospect in the refrigeration and cryogenic field.
Liu Pengpeng +3 more
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AerospaceModern aircraft increasingly utilizes highly integrated electronic equipment, driving continuously increasing heat dissipation demands. Vapor compression refrigeration systems demonstrate stronger alignment with future aircraft thermal management trends,
Hainan Zhang +4 more
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Performance assessment on a modified precision refrigeration cycle using low GWP mixtures
Case Studies in Thermal EngineeringRecently, with the increasing worldwide demand for low-temperature freezers, applying natural working medium hydro-carbon refrigerants for them has been widely concerned.
Lingeng Zou, Ye Liu, Qinghua Chen
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Study on Mixed Refrigerants Selecting and Matching of a Four Stage Auto-cascade Refrigeration
Zhileng xuebao, 2013 The selection and mixture ratio of the mixed refrigerants are important to a multistage auto-cascade refrigeration system. A simulation method was found for the mixed refrigerants selection and ratio calculation by using the commercial software REFPROP8 ...
Zhao Wei +4 more
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