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Trans. Nonferrous Met. Soc. China 30(2020) 789-799 Acoustic emission source location considering refraction in layered media with cylindrical surface Zi-long ZHOU1, Jing ZHOU1, Xin CAI1, Yi-chao RUI1...: To solve the problem that the existing acoustic emission (AE) source location algorithms cannot always obtain accurate results for multilayer cylindrical media, a new acoustic emission source......
-tracing. Key words: ray-tracing; seismic migration; Cholesky decomposition; tomography  ...; 1 Introduction At present, 3D seismic migration and tomography method......
J. Cent. South Univ. (2012) 19: 809-815 DOI: 10.1007/s11771-012-1076-4 Heat balance of solar-soil source heat pump compound system CHEN Jin-hua(陈金华)1, BAO Xiu-bi(包修碧)2, PENG Yun-lin(彭运林)2, JIA... source heat pump compound system, operation patterns of solar-soil compound system were analyzed, particularly the advantages of parallel operation pattern. It is found that parallel operation......
Monitoring actual performance of ground source heat pump system using GPRS-based data transmission: A case analysis in TangshanDU Hong-pu(杜红普)1, KONG Xiang-fei(孔祥飞)1, LI Min(李敏)2, QI Cheng-ying(齐承英)1...:The energy efficiency monitoring is an essential precondition for ground source heat pump system’s controlling and energy saving operation. Based on the data monitoring applied in the school building......
and source weathering GUO Ling(郭岭)1, 2, JIA Chao-chao(贾超超)2, DU Wei(杜伟)3 1. State Key Laboratory of Continental Dynamics (Northwest University), Xi’an 710069, China; 2. Department of Geology, Northwest... of the source rocks were analyzed based on these elements. The results show that SiO2, Al2O3 and Fe2O3, are dominant major elements with average contents of 60.59%, 15.91% and 5.87% in Upper Silurian......
J. Cent. South Univ. (2016) 23: 654-668 DOI: 10.1007/s11771-016-3111-3 Oil source and migration process in oblique transfer zone of Fushan Sag, northern South China Sea WANG Guan-hong(王观宏)1, 2, WANG... by the Bailian sub-sag, though the source rock conditions, hydrocarbon generation and expulsion histories of the Bailian and Huangtong sub-sags are similar. The oil, characterized by high maturity, Pr/Ph......
Seismic performance of isolation system of rolling friction with springsWEI Biao(魏标)1, DAI Gong-lian(戴公连)1, WEN Ying(文颖)1, XIA Ye(夏烨)2(1. School of Civil Engineering, Central South University... with springs, computer programs were compiled to evaluate the seismic performance based on its movement characteristics. Through the programs, the influences of various seismic performance factors, e.g.......
J. Cent. South Univ. (2012) 19: 593-599 DOI: 10.1007/s11771-012-1044-z Rapid identification of single constant contaminant source by considering characteristics of real sensors CAI Hao(蔡浩)1, 2, LI... Berlin Heidelberg 2012 Abstract: For the release of hazardous contaminant indoors, source identification is critical for developing effective response measures. A method which can quickly......
source model and its far-field seismic characteristics[J]. Journal of China University of Mining & Technology, 2016, 45(3): 483-489. (编辑 秦明阳) 收稿日期: 2019 -11 -18; 修回日期: 2020 -01 -14 基金项目...线交点可确定1个计算定位点,采用4簇传感器进行震源定位,可计算得到6个定位结果. 图8 花岗岩平板4号震源定位计算示意图 Fig. 8 Location calculation of 4号 source on granite plate 图9和图10分别为对震源施加正弦波脉冲和雷克子波脉冲模拟声发射信号进行试验所得定位结果,其中,监测点布设方式采用图3所示的3种布设方式(I,II和III类).分......
J. Cent. South Univ. Technol. (2011) 18: 1272-1277 DOI: 10.1007/s11771-011-0832-1 Variation characteristics of aquifer parameters induced by groundwater source heat pump operation under variable... Abstract: The variation characteristics of aquifer parameters, induced by groundwater source heat pump (GWSHP) operation under variable flow, were theoretically analyzed through a case study, in which......