|
|
|
Kang Zhang, Ruize Ma, Tao Geng, Jiannan Yang and Yongjun Gong
The leakage of subsea oil and gas pipelines can have adverse impacts on production progress and the ecological environment. Investigating the sound source and near-field sound propagation of pipeline leaks is essential for understanding the acoustic char...
ver más
|
|
|
|
|
|
|
Roman Varbanets, Oleksij Fomin, Václav Pí?tek, Valentyn Klymenko, Dmytro Minchev, Alexander Khrulev, Vitalii Zalozh and Pavel Kucera
The article presents the acoustic method of marine low-speed engine turbocharger parameter estimation under operating conditions when a prompt assessment of instantaneous turbocharger speed and rotor vibration level is required. The method lies in the an...
ver más
|
|
|
|
|
|
|
Olena Monchenko,Yelyzaveta Kutniak,Hanna Martyniuk,Nadiia Marchenko
Pág. 72 - 79
A universal mathematical model of a noise signal in pipeline systems from the point of its origin to the observation point was presented. Due to the indicator function introduced into it, the model makes it possible to use different types of components a...
ver más
|
|
|
|
|
|
|
Bach Phi Duong, Jaeyoung Kim, Cheol-Hong Kim and Jong-Myon Kim
Advances in technology have enhanced the ability to detect leakages in boiler tube components in thermal power plants. As a specific issue, the interaction between the coal fuel stream and the boiler tube membrane generates random and high-amplitude impu...
ver más
|
|
|
|
|
|
|
Qi Wu and Chang-Myung Lee
To improve the leakage location accuracy in a pressurized gas pipe, this paper proposes a modified leakage location method using multilayer perceptron neural networks based on the acoustic emission signal.
|
|
|
|
|
|
|
Volodymyr Blintsov,Sergey Nuzhniy
Pág. 28 - 38
Assessment of the level of speech information protection from leakage through acoustic and vibration channels is carried out according to international and national standards and in compliance with regulatory documents. To assess its security level, regu...
ver más
|
|
|
|
|
|
|
Dileep Kumar, Dezhan Tu, Naifu Zhu, Reehan Ali Shah, Dibo Hou, Hongjian Zhang
Pág. 1 - 16
The conventional fixed acoustic sensors leak detection methods have been demonstrated to be very practical for locating leakages in water distribution pipelines. However, these methods demand proper installation of sensors, and therefore cannot be implem...
ver más
|
|
|
|