[PDF] Top 20 An overview for the heat transfer performance of HFO-1234yf
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An overview for the heat transfer performance of HFO-1234yf
... provides an overview about the two-phase heat transfer performance for HFO-1234yf which is made to substitute ...on the limited information, it ... See full document
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An overview of the effect of lubricant on the heat transfer performance on conventional refrigerants and natural refrigerant R-744
... provides an overview of the lubricant on the heat transfer performance, including nucleate boiling, convective boiling, shell side condensation, forced convective ... See full document
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System performance of R-1234yf refrigerant in air-conditioning and heat pump system - An overview of current status
... study, an overview of the system performance of R-1234yf in association with R-134a is carried ...on the existing researches, it is found that the COP ... See full document
9
Investigation of the two-phase convective boiling of HFO-1234yf in a 3.9 mm diameter tube
... boiling heat transfer performance for refrigerants HFO-1234yf and HFC-134a in a ...perature of 10 °C. The influences of heat flux and mass flux on ... See full document
7
Influence of Lubricant on the Nucleate Boiling Heat Transfer Performance of Refrigerant-A Review
... Schematic of the influence miscibility on nucleate boiling perfor- mance ...provides an overview of the lubricant on the heat transfer performance ... See full document
14
Influence of electrode configuration on the heat transfer performance of a LED heat source
... Introduction The light-emitting diode (LED) is a semiconductor light source that emits light at a specific ...aspect of lighting applications for its versatile ...because the energy of ... See full document
7
Effect of partial bypass on the heat transfer performance of dehumidifying coils
... fin-and-tube heat exchangers. Tests are performed for a 2-row and 4-row fin-and-tube heat exchangers having plain fin ...configuration. The inlet dry bulb temperature is fixed at 25 °C while ... See full document
6
Effect of oscillatory EHD on the heat transfer performance of a flat plate
... results for a larger separation distance of 15 mm are de- picted in ...that the observed enhance- ment ratio for the oscillatory EHD shows an opposite trend when the ... See full document
6
An experimental study of the heat transfer in PS foam insulation
... Most of the studies above assumed all closed-cell or all open-cell structures in their ...since the cells in VIPs are not 100% broken, which means that some cells are ...overcome the cell ... See full document
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Dimensional analysis for the heat transfer characteristics in the corrugated channels of plate heat exchangers
... Plate heat exchangers (PHEs) are widely applied throughout industry and are commonly designed with a corrugated channel surface resulting in the enhanced heat transfer performance by ... See full document
9
On the heat transfer correlation for membrane distillation
... to the influences of boundary conditions, geometrical configurations, entry flow condi- tions, as well as some influences from spacer or ...support. The simple way is to obtain the heat ... See full document
6
An Algorithm for Simulation of the Performance of Air-cooled Heat Exchanger Applications Subject to the Influence of Complex Circuitry
... Fin-and-tube heat exchanger; Evaporator 1. Introduction In the implementation of the air-cooled heat exchang- ers in refrigeration application, complex circuitry is often encountered as ... See full document
9
Effects of a random porosity model on heat transfer performance of porous media
... Consequently\ the aim of this study is to investigate e}ects of a random porosity model on heat transfer per! formance of a porous block under an impinging jet ... See full document
13
Extraction of heat-transfer macromodels for MEMS Devices
... that the computational time for reducing a full- meshed model to a macromodel is about 15 s per order for this ...called the model generation time, and is in fact a ‘one time charge’ in ... See full document
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On the Heat Transfer Characteristics of Heat Sinks: With and Without Vortex Generators
... required heat-dissipation surface area subject to VG-1 criteria. For further performance evaluation of the tested heat sinks, comparisons are made subject to the VG-1 [14] ... See full document
7
Heat transfer in the evaporators of double-evaporator refrigerating system
... two-phase heat transfer coefficient of the refrigerant af- fects the performance of the evaporator in a refrigerating sys- ...tem. For the two-phase ... See full document
10
Performance evaluation on an air-cooled heat exchanger for alumina nanofluid under laminar flow
... improve the heat convective performance, but will also increase the pipeline pressure drop and pumping ...high heat convective performance for heat exchange can ... See full document
11
Heat Transfer and Flow Pattern Characteristics for HFE-7100 Within Microchannel Heat Sinks
... not the sole heat transfer mechanism, and the thin film evaporation for the annular flow and the microlayer evaporation between elongated bubble and wall also contribute ... See full document
9
Effect of non-uniform heating on the performance of the microchannel heat sinks
... heating Heat sink The present study experimentally investigates the performance of a 2-pass microchannel heat sink subject to non-uniform ...heating. The size of ... See full document
6
An overview of the System Performance of R-1234yf Refrigerant in Air-conditioning and Heat Pump System
... 是因為高壓操作的 CO 2 冷媒有著較大的節流損 失及較低的循環效率。對於一般低壓工作流體 R-134a和R-1234yf，在公開文獻上很少使用噴 射器來改善性能，這是因為比起使用二氧化 碳，它們更難成功地以標準的兩相噴射器循環 去執行。 Lawrence和Elbel[28]開發一種替代的 兩相噴射器的循環，藉由噴射器提供壓力的 提升來提供多種的蒸發溫度。噴射器基礎的循 ... See full document
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