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Journal Article 5

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adiabatic capillary 1

adjustable 1

calculation 1

comparison 1

diameter 1

heat transfer 1

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mathematical 1

micro-fin 1

mixed refrigerant cycle 1

mobile miniature liquefiers 1

natural gas 1

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Simulation on refrigerant flow in adiabatic capillary tube

WANG Meixia, LIU Cunfang, ZHOU Qiangtai

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 3, Pages 332-336 doi: 10.1007/s11465-008-0054-x

Abstract: This paper proposes a new mathematical model to calculate flow characteristics of the adiabatic capillary tube, which is aimed at solving problems existing in some earlier models. The Stocker’s model was modified with consideration of various effects due to sub-cooling, area concentration, and rolling diameter. The new model can be used not only for R22, but also for its substitutes such as R410A and R407C. A comparison of simulation results of the modified model with those in literature showed that the errors are within 10%. The flow characteristics are finally analyzed.

Keywords： mathematical diameter literature sub-cooling adiabatic capillary

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Boiling heat transfer correlations for refrigerant mixtures flowing inside micro-fin tubes

ZHANG Xiaoyan, ZHANG Xingqun, CHEN Yunguang, YUAN Xiuling

Frontiers in Energy 2008, Volume 2, Issue 4, Pages 489-493 doi: 10.1007/s11708-008-0110-6

Abstract: Based on experimental results of ternary non-azeotropic refrigerant mixture R417A flowing and boilingtubes with different geometrical parameters, a boiling heat transfer correlations was developed for refrigerantindicates that the prediction by the present correlations is in good agreement with the experiment of refrigerant

Keywords： comparison micro-fin calculation transfer prediction

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Development of mobile miniature natural gas liquefiers

Yanxing ZHAO, Maoqiong GONG, Haocheng WANG, Hao GUO, Xueqiang DONG

Frontiers in Energy 2020, Volume 14, Issue 4, Pages 667-682 doi: 10.1007/s11708-020-0695-y

Abstract: Similarly, the mixed refrigerant cycle (MRC) is suitable for small-scale liquefaction systems due to

Keywords： natural gas mobile miniature liquefiers mixed refrigerant cycle vapor liquid equilibrium heat transfer

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New refrigeration system using CO vapor-solid as refrigerant

HUANG Dongping, DING Guoliang, QUACK Hans

Frontiers in Energy 2008, Volume 2, Issue 4, Pages 494-498 doi: 10.1007/s11708-008-0070-x

Abstract: A refrigerant must be in the vapor-liquid phase in a vapor-compression refrigeration system, therefore, CO cannot be used as a refrigerant for temperatures lower than -56°C because solid CO will form underA refrigeration system with CO vapor-solid particles as refrigerant is put forward, by which a temperature

Keywords： refrigerant adjustable temperature vapor-compression refrigeration sublimator

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Experimental investigation on oil-gas separator of air-conditioning systems

Dianbo XIN,Shuliang HUANG,Song YIN,Yuping DENG,Wenqiang ZHANG

Frontiers in Energy 2019, Volume 13, Issue 2, Pages 411-416 doi: 10.1007/s11708-017-0447-9

Abstract: The oil-return system plays an important role in the variable refrigerant flow (VRF) systems becauseconcentration instantaneously, because the sound velocity was changed with the mass ratio of oil to refrigerantThe separation efficiency of the separator could be obtained by comparing the mass fraction of oil to refrigerant

Keywords： variable refrigerant flow system oil-gas separator separation efficiency