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; (7) where Q is the gas–solid heat transfer capacity; h is the overall heat transfer coefficient; Tg is the sinter temperature; Ts... equation is obtained by integrating Eqs. (7)–(9). (10) where ρs is the sinter density; cg is the air specific heat and cs is the sinter specific heat. By integrating Eq......
. The thermal conductivity, the thermal diffusivity, and the specific heat capacity of the rare earth silicide alloy were also measured from 288 K to 1 273 K. The dependence of the thermal conductivity ( λ... conductivity λ, thermal diffusivity α, specific heat capacity C of alloy and temperature 由图1可见, 原料的导热系数与温度的关系几乎成一直线, 即随着温度的升高, 原料的导热系数也逐渐增长. 这是因为在生产原料中主要含有稀土精矿, 硅石和碳质还原剂, 随着温度的升高, 原料逐渐烧结, 孔隙度减小; 另一方面原......
Microstructural evolution and mechanical properties of new multi-phase NiAl-based alloy during heat treatments XIE Yi(谢 亿)1, 2, GUO Jian-ting(郭建亭)2, ZHOU Lan-zhang(周兰章)2, CHEN Hong-dong(陈红冬)1... 2009; accepted 4 April 2010 Abstract: Microstructural evolution and the relationship between microstructure and property during heat treatments in a new NiAl-based alloy......
; 文章编号:1672-7207(2018)12-3095-10 Real-time variable capacity control strategy of photovoltaic integrated solar heat pump water heater HE Hongyu, LI Shuhong, DONG Kefeng (School of Energy... the scheduled time. Key words: solar-assisted heat pump; real-time variable capacity control; control strategy 光伏一体化的太阳能热泵热水器是太阳能光伏/光热一体化利用的有效装置[1].一方面,其利用制冷剂从光伏组件背后吸收太阳能光热,保证全年稳定温度的生活热水供应;另一方面,光伏组件被冷却,光......
will contact directly when the liquid products are removed out through the minute voids in coating, and the heat transfer capacity of the metal-coating interface reaches the maximum. As the temperature of the coating continues increasing, the burned organic ingredients in coating increase the amount of minute void in the coating, which decreases the heat transfer capacity of the coating. As the wide......
Combining Aluminum Heat Treat with Hot Isostatic Pressing:A Comparison of Structure, Properties, and Processing Routes for a Cast Al-Si-Mg Alloy Stephen J.Mashl1 (1.Bodycote HIP Inc., Andover, Massachusetts, USA) 摘要:Bodycote researchers have successfully demonstrated that a T6 heat treatment can be integrated with Densal(R), a proprietary, aluminum specific, hot isostatic pressing (HIP......
components demanding high stiffness, high strength, high resistance to wear and heat, and low mass. However, a decrease in ductility and toughness is always present with these valuable specific properties[1...Effect of heat treatments on failure mechanism of SiCp/2124 Al composite M.Muratogˇ]lu (Engineering Faculty, Department of Metallurgy and Material Engineering, F1rat University, Elaz1gˇ, Turkey......
; (7) where is the reference temperature (environment temperature); T is the last temperature that the system reaches; is the average heat capacity...J. Cent. South Univ. Technol. (2010) 17: 1389-1394 DOI: 10.1007/s11771-010-0647-5 Numerical simulation of aluminum holding furnace with fluid-solid coupled heat transfer ZHOU Nai-jun(周乃君)1, ZHOU......
Effect of heat treatment on microstructure and dimensional stability of ZL114A aluminum alloy JIANG Long-tao(姜龙涛), WU Gao-hui(武高辉), YANG Wen-shu(杨文澍), ZHAO Yong-gang(赵永刚), LIU Shan-shan(刘珊珊) School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China Received 23 October 2009; accepted 16 August 2010 Abstract: The effects of heat treatment process......
), and the bending strength after thermal shock decreased by 17.92%. When the service temperature is 600 °C, the thermal diffusivity, specific heat capacity, thermal conductivity and heat capacity are 6.48×10-2 cm2...Preparation and Characterization of Mullite-Silicon Carbide Heat Absorbing Ceramics for Solar Thermal Tower Plant徐晓虹,RAO Zhenggang,WU Jianfeng,ZHOU Yang,HE Dezhi,LIU YiSchool of Material Science......