The objective of this work was to focus on the effects of various parameters on the heat transfer coefficient at the metal-mold interface. These parameters include surface roughness, metal superheat, metallostatic head, and interface gas. Experimental work was conducted in an apparatus developed to...
The 6061 aluminum alloy cooling rate curves and surface heat transfer coefficient variation with temperature under different cooling methods was studied through using cooling curves which were obtained by end-quench,combine with finite difference method and inverse heat conduction method.The results show ...
In addition, a mechanism based IHTC model was developed and validated as a function of contact pressure, tool material and lubricant thickness to predict the IHTC values under different conditions 展开 关键词: Interfacial heat transfer coefficient (IHTC) Hot aluminum stamping AA7075 IHTC test ...
This study commences by performing an experimental investigation to measure the temperature distribution within a casting system comprising a cylindrical aluminum casting and a green-sand mold. The experimental temperature measurements are then used to compute the effective heat transfer coefficient at the ...
1.The main parameterof heat convection process is heat transfer coefficient.反映对流换热过程特性的主要参数是对流换热系数。 2.CFD Simulation of Convective Heat-Transfer Coefficient of External Surfaces of Buildings建筑外表面对流换热系数的CFD模拟
This paper presents a theoretical-experimental study for the prediction of the interfacial heat transfer coefficient during the horizontal directional solidification of an Al-3wt.%Cu alloy on water cooled stainless steel chill under transient heat flow conditions. Eight thermocouples were connected with th...
Example - Heat Transfer in Air to Air Heat Exchanger An air to air plate exchanger with area 2 m2 and wall thickness 0.1 mm can be made in polypropylene PP, aluminum or stainless steel. The heat transfer convection coefficient for air is 50 W/m2K. Inside temperature in the exchanger is ...
Taking the contact heat transfer coefficient between AZ31 B magnesium alloy and rolls as the research object,experimental study on the interfacial heat transfer coefficient of AZ31 B magnesium alloy and 9 Cr2 Mo steel roll was carried out by self-made measuring device based on one dimensional stead...
—In this paper, the ice melting in rectangular, cylindrical and conical forms, which are erected vertically against air flow, are experimentally studied in the free convection regime.The results obtained are: Nusslet Number, heat transfer coefficient andGrashof Number, and the variations of the sa...
The effect of tube diameter on the air-side performance is significant. Larger tube diameter not only gives rise to lower heat transfer coefficient but ... A Nuntaphan,T Kiatsiriroat,CC Wang - 《Applied Thermal Engineering》 被引量: 43发表: 2005年 Experiments on the Dehumidification Performance...