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under the ultrasonic standing waves treatment. The morphology of eutectic Si is obviously changed after ultrasonic standing wave treatment, varying from flake to fiber shape. Eutectic Si is changed... of Nonferrous Metals, 2008, 18(9): 1528-1633. [13] SHAO Zhi-wen, LE Qi-chi, CUI Jian-zhong, ZHANG Zhi-qiang. Numerical simulation of standing waves for ultrasonic purification of magnesium alloy melt[J......
Characteristic analysis of bleeding effect on standing column well (SCW) type geothermal heat exchangerCHOI Hoon-ki1, YOO Geun-jong1, LIM Kyung-bin2, LEE Sang-hoon3, LEE Chang-hee4(1. Department.... This eventually determines the operation and cost efficiency of the borehole heat exchanger system. The thermal performance of an open standing column well (SCW) type geothermal heat exchanger......
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J. Cent. South Univ. (2017) 24: 2058-2070 DOI: https://doi.org/10.1007/s11771-017-3615-5 A nonlinear hydroelastic method considering wave memory effect for ship load responses in irregular waves... 2017 Abstract: Since the amplitude and frequency of irregular waves change with time, great difficulties are brought for solving ship load responses in random waves. To take the effect of various......
J. Cent. South Univ. Technol. (2008) 15: 112-116 DOI: 10.1007/s11771-008-0022-y Failure analysis of polycrystalline diamond compact cutters for breaking rock by bending waves theory...; Abstract: The breakage mechanism of the polycrystalline diamond compact(PDC) cutters was analyzed by the energy theory of bending waves. The cutting tests of granite......
of rock under stochastic stress waves DENG Jian(邓 建)1, BIAN Li(边 利)2 (1.School of Resources and Safety Engineering, Central South University, Changsha 410083, China; 2. School of Business, Central South University, Changsha 410083, China) Abstract: The response and energy dissipation of rock under stochastic stress waves were analyzed based on dynamic fracture criterion of brittle materials......
Transient Response Model of Standing Wave Piezoelectric Linear Ultrasonic Motor时运来,陈超State Key Laboratory of Mechanics and Control of Mechanical Structure, Nanjing University of Aeronautics & Astronautics摘 要:A transient response model for describing the starting and stopping characteristics of the standing wave piezoelectric linear ultrasonic motor......
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Contact Analysis and Modeling of Standing Wave Linear Ultrasonic Motor时运来State Key Laboratory of Mechanics and Control of Mechanical Structure,Nanjing University of Aeronautics & AstronauticsDigital... mechanics between the stator and slider of the standing wave linear ultrasonic motor was presented. The proposed model starts from the assumption that the vibration characteristics of the stator......