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Multi-powder dam concrete with high performance and low adiabatic temperature rise LI Xin-yu(李新宇)1, CHEN Wen-yao(陈文耀)2, CHEN Wei-min(陈炜旻)1 1. Hydrochina Huadong Engineering Corporartion... unit water consumption and cement is used in multi-powder concrete, and under premise of equal mechanical performance, deformation, thermal performance and durability, the adiabatic temperature rise......
Numerical calculation on solar temperature field of a cable-stayed bridge with U-shaped section on high-speed railwayLIU Wen-shuo(刘文硕)1, DAI Gong-lian(戴公连)1, RAO Shao-chen(饶少臣)2(1. School of Civil Engineering, Central South University, Changsha 410075, China;2. China Railway Siyuan Survey and Design Group Co., Ltd., Wuhan 430063, China)Abstract:Based on transient temperature field theory of heat......
SIMULATION OF TEMPERATURE AND THERMAL STRESS FIELD IN LASER MILLING PROCESSING X.Y.Zeng1,C.S.Ge2,G.F.Yuan1 (1.State Key Laboratory of Laser Technology, Huazhong University of Science and Technology, Wuhan 430074, China;2.Anhui Institute of Architecture and Industry, Hefei 230022, China) Abstract:The physical model of temperature field and thermal stress field are established in this paper......
STRUCTURE IMPROVEMENT AND TEMPERATURE FIELD SIMULATION OF PREPARING NANOPOWDER BY EVAPORATION-CONDENSATION METHOD J.S.Bao1,T.G.Liu1,Y.Yin1,Z.Y.Yang1 (1.School of Mechanical and Electrical... the evaporation-condensation method to prepare carbon-coated nanopowder, has been developed by the authors. Numerical simulation of the temperaturc field is done by the ANSYS software, and temperature......
Improvement of machining quality of copper-plated roll mold by controlling temperature variation Tae-Jin JE 1, Eun-Chae JEON 1, Sang-Cheon PARK 1, Doo-Sun CHOI 1, Kyung-Hyun WHANG 1, Myung-Chang... machining large roll mold whose machined length was 1 200 mm. The temperature of machining system was elevated during machining roll mold, and this elevation induced thermal expansion of the system......
J. Cent. South Univ. Technol. (2008) 15(s1): 135-139 DOI: 10.1007/s11771-008-332-0 Experimental evaluation on high temperature rheological properties of various fiber modified asphalt binders...: High temperature rheological properties of fiber modified asphalt binders and impact of the type and content on such properties were studied. Three types of fiber, including polyester (PET......
J. Cent. South Univ. Technol. (2008) 15(s1): 043-046 DOI: 10.1007/s11771-008-311-5 Constitutive model depending upon temperature and strain rate of carbon constructional quality steels YANG Liu... quality steels were regarded as a kind of elastic-viscoplastic materials under high temperature and the elastic-viscoplastic constitutive models were summarized. A series of tension experiments under......
Estimating extreme temperature differences in steel box girder using long-term measurement dataDING You-liang(丁幼亮), WANG Gao-xin(王高新) (Key Laboratory of Concrete and Prestressed Concrete Structures of Ministry of Education (Southeast University), Nanjing 210096, China)Abstract:The extreme temperature differences in flat steel box girder of a cable-stayed bridge were studied. Firstly, by using......
High temperature deformation behavior and mechanism of spray deposited Al-Fe-V-Si alloy XIAO Yu-de(肖于德), WANG Wei(王 伟), LI Wen-xian(黎文献) School of Materials Science and Engineering, Central...; Abstract: Al-8.5Fe-1.3V-1.7Si alloy was prepared by spray deposition and hot extrusion. The high temperature plastic deformation......
Numerical simulation of temperature field in plasma-arc flexible forming of laminated-composite metal sheets SONG Wen-qing(宋文庆)1, XU Wen-ji(徐文骥)1, WANG Xu-yue(王续跃)1, MENG Jian-bing(孟... without mould and external force. Considering that the controllable temperature field is the key during the forming process, a three-layer FEM model, based on the characteristics along LCMS thickness......