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A MATHEMATICAL HEAT TRANSFER MODEL IN STATIC AND CONTINUOUS CASTING R.Ghasemzadeh1 (1.Metallurgy Department, Iran University of Science and Technology, Narmak, Tehran 16844, Iran) Abstract:The application of a heat flow model to describe the thermal characteristics of freezing alloys with narrow mushy zones from a refrigerated mould wall was outlined. The extension of the model was to treat......
:1672-7207(2014)08-2572-05 Experiment of exterior pool boiling heat transfer of R123 reinforced by horizontal GY novel tube GAO Chuanyun1, WANG Huitao2, ZHOU Jie1, LIAO Guangya1, WANG Hua2 (1. Urban... of Ministry of Education (Kunming University of Science and Technology), Kunming 650093, China) Abstract: To intensify the heat transfer process in low-temperature heat driven ORC (organic Rankine cycle......
Building dynamic thermal simulation of low-order multi-dimensional heat transferGAO Yan(高岩)1, 2, FAN Rui(范蕊)3, ZHANG Qun-li(张群力)2, J. J. ROUX 4(1. Beijing Key Lab of Green Building and Energy... 5008, INSA Lyon, 69621 Villeurbanne Cedex, France)Abstract:Multi-dimensional heat transfers modeling is crucial for building simulations of insulated buildings, which are widely used and have multi......
programs. A part of the newly obtained results is presented as an interim report. 关键词:Modeling; Simulation; IMS; VHT; Benchmark project; Material database; Heat transfer database; Cylinder; Disc; Ring...., Amagasaki/Hyogo, Japan) 摘要:Japanese IMS-VHT project on the Virtual Heat Treatment tool for monitoring and optimising HT process in relation with the international cooperative programs is briefly introduced......
Simulation of inside-grooved mould improving heat transfer of original shell of casting slabKexin Zhao, Ming gang Shen, and Xueda Wang Anshan University of Science and Technology, Anshan 114002...-cooled copper plate into the stannum-lead alloy to simulate the process of initial solidification of steel, and the result that the heat transfer of original shell improved by grooving on the surface......
; 文献标志码:A 文章编号:1672-7207(2018)04-1003-08 Heat and mass transfer performance of porous corrugated packing..., liquid desiccant mass flow flux on the heat and mass transfer performance of porous corrugated packing was studied and compared with that of herringbone corrugated packing under the same conditions......
溶解速率随粒径的变化曲线 Fig. 5 Relationship between alumina mass dissolution rate and particle size under control of heat transfer mechanism 图6所示为传热机制控制下的氧化铝溶解累积质量分数及粒径随时间的变化曲线.由图6可知,1 mm氧化铝颗粒完全溶解需要110 s,而...短得多. 3.2.2 传热机制下氧化铝浓度分布 图6 传热机制控制下的氧化铝溶解累积质量及粒径随时间变化曲线 Fig. 6 Accumulated mass fraction of alumina dissolution and particle size change with time under control of heat transfer......
J. Cent. South Univ. (2020) 27: 2324-2337 DOI: https://doi.org/10.1007/s11771-020-4452-5 Heat transfer simulation of annular elliptical fin-and-tube heat exchanger by transition SST model H NEMATI1... that pressure drop of annular elliptical fin can be only one half of that of a circular annular fin while containing comparable heat transfer performance. The vertical elliptical annular fin may even......
; 文献标志码:A 文章编号:1672-7207(2012)02-0743-06 Nucleate boiling heat transfer in vertical rectangular mini-channel CHANG Wei.... Gravity, surface tension and the wall adhesion were taken into consideration, the effect caused by the interface movement on the system pressure difference and the average surface heat transfer......
on contact heat transfer between GH4169 and 5CrMnMo XING Lei, ZHANG Li-wen, ZHANG Xing-zhi (School of Materials Science and Engineering, Dalian University of Technology, Dalian 116085, China) Abstract: Based on the principles of conduction heat transfer, a thermal contact model which was predigested rationally was established. Contact heat transfer coefficient between GH4169 super alloy......