Analysis of large scale coal sample damage and acoustic emission characteristics with stratification structure of parallel and vertical

2014 ◽  
pp. 181-186
Keyword(s):  
Acoustic Emission ◽  
Coal Sample ◽  
Large Scale ◽  
Emission Characteristics ◽  
Stratification Structure ◽  
Sample Damage

Acoustic Emission Characteristics of Sericite Schist Coarse Aggregates under Consolidated Undrained Triaxial Tests

2013 ◽  
Vol 423-426 ◽  
pp. 909-913
Author(s):  
Lan Qiang Yang ◽  
Shang Lin Qin ◽  
Hui Gao ◽  
Shan Xiong Chen
Keyword(s):  
Acoustic Emission ◽  
Large Scale ◽  
Sliding Friction ◽  
Axial Strain ◽  
Confining Pressure ◽  
Rolling Friction ◽  
Triaxial Tests ◽  
Emission Characteristics ◽  
Coarse Aggregates ◽  
Ae Signals

In order to study the acoustic emission characteristics of coarse aggregates, improved of large-scale triaxial apparatus is used to do the consolidated undrained triaxial tests of sericite schist coarse aggregates, with the acoustic emission signals monitoring. The test results show that a large number of AE signals of sericite schist coarse aggregates are generated in the initial stage. Before the axial strain reach 10%, AE counts are relatively quiet. But after 10%, they become anomalous and emerge obvious leap values. When the confining pressure up to 200kPa, AE signals are mainly generated by sliding friction. With confining pressure increasing, the proporation of rolling friction and particle breakage is more and more obvious.

scholarly journals Experimental Study on Briquette Coal Sample Mechanics and Acoustic Emission Characteristics under Different Binder Ratios

ACS Omega ◽  
2021 ◽  
Vol 6 (13) ◽  
pp. 8919-8932
Author(s):  
Han Meng ◽  
Liyun Wu ◽  
Yuzhong Yang ◽  
Fei Wang ◽  
Lei Peng ◽  
...  
Keyword(s):  
Experimental Study ◽  
Acoustic Emission ◽  
Coal Sample ◽  
Emission Characteristics

Acoustic emission characteristics of underwater gas jet from a horizontal exhaust nozzle

2013 ◽  
Vol 74 (6) ◽  
pp. 845-849 ◽  
Author(s):  
Weiwei Xu ◽  
Zhounian Lai ◽  
Dazhuan Wu ◽  
Leqin Wang
Keyword(s):  
Acoustic Emission ◽  
Gas Jet ◽  
Emission Characteristics

scholarly journals Acoustic emission characteristics of stress corrosion cracks in a type 304 stainless steel tube

2015 ◽  
Vol 47 (4) ◽  
pp. 454-460 ◽  
Author(s):  
Woonggi Hwang ◽  
Seunggi Bae ◽  
Jaeseong Kim ◽  
Sungsik Kang ◽  
Nogwon Kwag ◽  
...  
Keyword(s):  
Stainless Steel ◽  
Acoustic Emission ◽  
Stress Corrosion ◽  
Steel Tube ◽  
304 Stainless Steel ◽  
Stainless Steel Tube ◽  
Emission Characteristics ◽  
Type 304 ◽  
Type 304 Stainless Steel
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