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J. Cent. South Univ. (2017) 24: 1762-1766 DOI: https://doi.org/10.1007/s11771-017-3584-8 High-temperature acoustic properties of porous titanium fiber metal materials LIU Shi-feng(刘世锋)1, 2, LI An(李安... (Central South University), Changsha 410083, China Central South University Press and Springer-Verlag GmbH Germany 2017 Abstract: The high-temperature acoustic absorption performance of porous......
J. Cent. South Univ. (2018) 25: 1409-1417 DOI: https://doi.org/10.1007/s11771-018-3836-2 Acoustic pressure simulation and experiment design in seafloor mining environment ZHAO Hai-ming(赵海鸣)1, 2... the suspended sediments have severe influence on acoustic radiated field of transducer, it is significant for sonar system to analyze the influence of suspended sediments on acoustic pressure in the seafloor......
J. Cent. South Univ. Technol. (2009) 16: 0444-0450 DOI: 10.1007/s11771-009-0075-6 Feasibility analysis for monitoring fatigue crack in hydraulic turbine blades using acoustic emission technique... in turbine blades using acoustic emission (AE) technique, the AE characteristics of fatigue crack growth were studied in the laboratory. And the characteristics were compared with those of background noise......
J. Cent. South Univ. (2016) 23: 1981-1989 DOI: 10.1007/s11771-016-3255-1 An underwater acoustic data compression method based on compressed sensing GUO Xiao-le(郭晓乐)1, 2, YANG Kun-de(杨坤德)1, 2, SHI... acoustic data has rapidly expanded with the application of multichannel, large-aperture underwater detection arrays. This study presents an underwater acoustic data compression method that is based......
Wavelet analysis of acoustic emission signals from thermal barrier coatings YANG Li(杨 丽), ZHOU Yi-chun(周益春) Key Laboratory for Advanced Materials and Rheological Properties of Ministry... to the analysis of acoustic emission signals collected during tensile test of the ZrO2-8% Y2O3 (YSZ) thermal barrier coatings (TBCs). The acoustic emission signals are de-noised using the Daubechies discrete......
J. Cent. South Univ. (2012) 19: 2373-2379 DOI: 10.1007/s11771-012-1284-y Using acoustic technique to detect leakage in city gas pipelines CHEN Zhi-gang(陈志刚), LIAN Xiang-jiao(连香姣), HE Liang(赫亮...-Verlag Berlin Heidelberg 2012 Abstract: For solving the difficult problem of leakage detection in city gas pipelines, a method using acoustic technique based on instantaneous energy (IE) distribution......
J. Cent. South Univ. (2016) 23: 2397-2401 DOI: 10.1007/s11771-016-3298-3 Time-domain CFD computation and analysis of acoustic attenuation performance of water-filled silencers LIU Chen(刘晨)1, JI Zhen... (CFD) approach is extended to calculate the acoustic attenuation performance of water-filled piping silencers. Transmission loss predictions from the time-domain CFD approach and the frequency-domain......
J. Cent. South Univ. (2020) 27: 2883-2898 DOI: https://doi.org/10.1007/s11771-020-4516-6 Acoustic emission precursors of static and dynamic instability for coarse-grained hard rock SU Guo-shao(苏国韶... University, Nanning 530004, China Central South University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2020 Abstract: To investigate the acoustic emission (AE) precursors of coarse-grained......
Monitoring damage evolution of steel strand using acoustic emission technique and rate process theoryDENG Yang(邓扬)1, 2, LIU Yang(刘扬)1, 2, FENG Dong-ming(冯东明)3(1. Key Laboratory for Safety Control... the acoustic emission (AE) technique, an experimental investigation into the damage evolution for steel strand under axial tension was described. The damage evolution model for steel stand relating......
