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
doaj +8 more sources
Concentration Optimization of R134a/R123 in Auto-cascade Heat Pump Systems [PDF]
杜垲, 徐卫荣
doaj +6 more sources
A novel method to measure the energy efficiency and performance of an auto-cascade refrigeration cycle [PDF]
Auto-cascade refrigeration systems are the most used cycles to maintain spaces at ultra-low temperature conditions (-80 to −60 °C). The interest in these systems has risen due to the need to maintain and distribute COVID-19 vaccines.
Rodrigo Llopis +1 more
exaly +3 more sources
Experimental Study on Phase Holdup in Auto-cascade Heat Pump with Zeotropic Mixture [PDF]
刘金平, 朱宇龙
doaj +6 more sources
Experimental investigation of the performance of a single-stage auto-cascade refrigerator [PDF]
Auto-refrigerating cascade (ARC) systems possess many advantages comparing with traditional cascade refrigeration systems. This work proposed a novel ternary mixture, R600a/R23/R14, for ARC systems for 190 K applications.
Rui, S, Wen, D, Zhang, B, Zhang, H
core +4 more sources
Experimental Study on Characteristics of A New Cryopreservation Apparatus [PDF]
The authors developed a new cryopreservation apparatus for the long-term preservation of biomaterials which incorporates auto-cascade refrigeration,automatic control and the liquidus-tracking method.The experiments for cooling and warming with variable ...
Yang Ge Zhang Shaozhi Chen Guangming Yu Xiaoyi Wu Dongbo
doaj +5 more sources
Development Status of Auto-cascade Refrigeration Technology
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
doaj +1 more source
Study on Application of Double-pipe Condenser for Auto-cascade Refrigeration
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
doaj +3 more sources
The Exploratory Research on Mixed Refrigerants of A Five-Stage Autocascade Refrigeration System [PDF]
A five-stage Auto-cascade refrigeration cycle(ARC) is brought forward.According to the experiences that different systems with different components and proportion of mixed refrigerants can result in different evaporating temperature,the components ...
doaj +5 more sources
Composition Change Characteristics of Non-azeotropic Mixturesof Auto- cascade Refrigeration System
The condensation process of non-azeotropic mixed refrigerant is a isobaric process. Meanwhile, the concentrations of vapor and liquid continuously change.
Rui Shengjun, Zhang Hua, He Tao, Luo Hao
doaj +1 more source

