[PDF] Top 20 Condensation heat transfer and pressure drop of refrigerant R-134a in a plate heat exchanger
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Condensation heat transfer and pressure drop of refrigerant R-134a in a plate heat exchanger
... experimental refrigerant loop has been established in the present study to measure the condensation heat transfer ...h r and frictional pressure drop DP f ... See full document
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Condensation heat transfer and pressure drop of refrigerant R-410A flow in a vertical plate heat exchanger
... 2.1. Refrigerant flow loop The refrigerant loop contains a variable-speed refrig- erant pump that delivers the subcooled refrigerant to the ...The refrigerant mass flow rate is mainly ... See full document
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Condensation heat transfer and pressure drop of refrigerant R-134a in a small pipe
... wall of the small pipe[ 0[ Introduction To avoid the quick depletion of the Ozone layer in the outer atmosphere above the Antarctic area\ various HFC refrigerants have recently been developed to ... See full document
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Three-Dimensional Numerical Investigation of Heat Transfer and Pressure Drops in Corrugated Plate Channels 陳立昀、吳佩學
... “Where and How to Use Plate Heat Exchangers,” Chemical Engineering, April 5, ...H.C., and Lin, T.F., 1999, “Condensation Heat Transfer and Pressure ... See full document
2
Evaporation heat transfer and pressure drop of refrigerant R-410A flow in a vertical plate heat exchanger
... Plate heat exchangers 共PHEs兲 have been widely used in food processing, chemical reaction processes and many other industrial applications due to their high effectiveness, compactness, ... See full document
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Evaporation heat transfer and pressure drop of refrigerant R-134a in a small pipe
... 0886^ in _nal form 19 March 0887 Abstract An experiment was carried out to investigate the characteristics of the evaporation heat transfer and pressure drop for ... See full document
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Evaporation heat transfer and pressure drop of refrigerant 134A in a small pipe - Reply
... will affect the flow distribution in the ...Yan and Lin data for T sat ¼ 31 °C, q 00 ¼ 5 kW/m 2 , and 100 and 200 kg/s m 2 mass velocity ...Yan and Lin data for G ¼ 100 kg/s m 2 ... See full document
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Subcooled flow boiling heat transfer of R-134a and the associated bubble characteristics in a vertical plate heat exchanger
... 2.1. Refrigerant loop The refrigerant loop contains a variable-speed re- frigerant pump that delivers the subcooled refrigerant to the ...The refrigerant mass flow rate is mainly ... See full document
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Simulation of Velocity Distribution and Pressure Drop in Every Channel in the Printed Circuit Heat Exchanger
... properties of the heat ...longevity in the high temperature ambient reduce its running ...essential. In some cases, high temperature heat exchangers could be operated as high as 900 – ... See full document
7
Saturated flow boiling heat transfer and associated bubble characteristics of R-134a in a narrow annular duct
... temperature and flow rate. In addition, we adjust the thermostat temperature in the water loop to stabilize the refrigerant temperature at the test section ...the refrigerant pres- sure ... See full document
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Experimental study of evaporation heat transfer characteristics of refrigerants R-134a and R-407C in horizontal small tubes
... Before a test is started, the system temperature is compared with the saturation temperature of refrigerant R-134a or R-407C corresponding to the measured satu- ration ... See full document
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Time periodic flow boiling heat transfer of R-134a and associated bubble characteristics in a narrow annular duct due to flow rate oscillation
... inlet refrigerant temperature. Then, we regulate the time-average refrigerant pressure at the test section inlet by adjusting the opening of the gate valve locating right after the exit ... See full document
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Oscillatory subcooled flow boiling heat transfer of R-134a and associated bubble characteristics in a narrow annular duct due to flow rate oscillation
... Before a test is started, the temperature of refrigerant R-134a in the test section is compared with its saturation temperature corre- sponding to the measured ... See full document
13
A numerical investigation of the geometric effects on the performance of plate finned-tube heat exchanger
... graph of Q/ D P vs. fin pitch also exhibits a bulge phenomenon, yet the maximum value is quite independent of fans occurring at a fin pitch of 12 fpi as compared to 6–8 fpi at a ... See full document
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Experimental study of R-134a evaporation heat transfer in a narrow annular duct
... diameter of the inner pipe and the inside diameter of the glass pipe by digital calipers whose resolutions are ...accuracy of ±0.01 mm. Then we photo the top and side view pictures ... See full document
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Subcooled flow boiling heat transfer of R-134a and bubble characteristics in a horizontal annular duct
... Energy and Resources Laboratories, Industrial Technology Research Institute, Hsinchu, Taiwan Received 8 June 1999; received in revised form 6 September 1999 Abstract Experiments were carried out to ... See full document
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Saturated flow boiling heat transfer of refrigerant R-410A in a horizontal annular finned duct
... effects of the refrigerant mass flux and satu- rated temperature on the saturated flow boiling heat trans- fer of R-410A in the horizontal annular finned duct are ... See full document
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Subcooled flow boiling heat transfer and associated bubble characteristics of R-134a in a narrow annular duct
... size affects the subcooled flow boiling heat transfer and associated bubble characteristics of refrigerant R-134a in a horizontal narrow annular ... See full document
13
Experimental study of evaporation pressure drop characteristics of refrigerants R-134a and R-407C in horizontal small tubes
... out in the present study to investigate the characteristics of the frictional pressure drops for the evaporation of refrigerants R-134a and R-407C in ... See full document
8
Influence of Lubricant on the Nucleate Boiling Heat Transfer Performance of Refrigerant-A Review
... Schematic of the influence miscibility on nucleate boiling perfor- mance ...overview of the lubricant on the heat transfer performance subject to nucleate ...the heat transfer ... See full document
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