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Characterization of Ti-50%Al composite powder synthesized by high energy ball millingFANG Wen-bin, LI Xue-wen, SUN Hong-fei, DING Yong-feng(School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China)Abstract:The Ti-50%Al (molar fraction) composite powder was synthesized by high energy ball milling (HEBM). The characteristics of the composite particles......
J. Cent. South Univ. (2012) 19: 803-808 DOI: 10.1007/s11771-012-1075-5 Weighting indicators of building energy efficiency assessment taking account of experts’ priority YANG Yu-lan(杨玉兰), TAI... 2012 Abstract: Analytic hierarchy process (Group AHP) is combined with two different methods of assigning experts’ priority to weight indicators in building energy efficiency assessment. One......
J. Cent. South Univ. Technol. (2009) 16: 0265-0268 DOI: 10.1007/s11771-009-0045-z A sink moving scheme based on local residual energy of nodes in wireless sensor networks TAN Chang-geng(谭长庚... in sensor networks, sensor nodes located near the sink have to forward the data received from all other nodes to the sink, which depletes their energy very quickly. A moving scheme for the sink based on local......
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J. Cent. South Univ. Technol. (2009) 16: 0154-0159 DOI: 10.1007/s11771-009-0026-2 Application of empirical mode decomposition based energy ratio to vortex flowmeter state diagnosis SUN Zhi-qiang(孙志强)1, ZHANG Hong-jian(张宏建)2 (1. School of Energy Science and Engineering, Central South University, Changsha 410083, China; 2. Department of Control Science and Engineering, Zhejiang University......
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Melting throughout time and energy consumption for TiAl alloys during ISM process SU Yan-qing(苏彦庆), LIU Gui-zhong(刘贵仲), PENG Jun-jie(彭俊杰), GUO Jing-jie(郭景杰), JIA Jun(贾 均), FU Heng-zhi(傅恒志... Melting) process, the effects of power increasing rate and charge mass on the melting throughout time and the energy consumption for TiAl alloys were studied. The results show that the melting......
J. Cent. South Univ. Technol. (2009) 16: 0677-0682 DOI: 10.1007/s11771-009-0112-5 Energy consumption in rock fragmentation at intermediate strain rate HONG Liang(洪 亮)1, 2, ZHOU Zi-long(周子龙)1...; Abstract: In order to determine the relationship among energy consumption of rock and its fragmentation, dynamic strength and strain rate, granite, sandstone and limestone specimens......
J. Cent. South Univ. (2012) 19: 2674-2680 DOI: 10.1007/s11771-012-1326-5 Influence of explosion parameters on wavelet packet frequency band energy distribution of blast vibration ZHONG Guo... vibration live data that have been collected and the characteristics of short-time non-stationary random signals, the wavelet packet energy spectrum analysis for blast vibration signal has made......