Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Konstantin V. Stepanov"'
Autor:
Konstantin V. Stepanov, Andrey A. Zhirnov, Tatyana V. Gritsenko, Roman I. Khan, Kirill I. Koshelev, Cesare Svelto, Alexey B. Pnev
Publikováno v:
Sensors, Vol 24, Iss 11, p 3338 (2024)
In the paper, a new method of phase measurement error suppression in a phase-sensitive optical time domain reflectometer is proposed and experimentally proved. The main causes of phase measurement errors are identified and considered, such as the inf
Externí odkaz:
https://doaj.org/article/ceecdf5b6e6e4f77b05fe74429ccce02
Autor:
Andrey A. Zhirnov, German Y. Chesnokov, Konstantin V. Stepanov, Tatyana V. Gritsenko, Roman I. Khan, Kirill I. Koshelev, Anton O. Chernutsky, Cesare Svelto, Alexey B. Pnev, Olga V. Valba
Publikováno v:
Sensors, Vol 23, Iss 10, p 4978 (2023)
The paper presents the application of a phase-sensitive optical time-domain reflectometer (phi-OTDR) in the field of urban infrastructure monitoring. In particular, the branched structure of the urban network of telecommunication wells. The encounter
Externí odkaz:
https://doaj.org/article/f4051f9f44b04b47b6715f9446f13b8a
Autor:
Konstantin V. Stepanov, Andrey A. Zhirnov, Stanislav G. Sazonkin, Alexey B. Pnev, Alexander N. Bobrov, Dmitriy A. Yagodnikov
Publikováno v:
Sensors, Vol 22, Iss 13, p 4781 (2022)
In this article, we study the possibility of gas turbine unit (GTU) monitoring using interferometric fiber optic sensors. We used the Mach–Zehnder interferometer (MZI) scheme, which can be easily implemented and simply installed on the turbine, and
Externí odkaz:
https://doaj.org/article/b05360482e274ef9bc138a8ffb1fab0f
Autor:
Andrey A. Zhirnov, Tatyana V. Choban, Konstantin V. Stepanov, Kirill I. Koshelev, Anton O. Chernutsky, Alexey B. Pnev, Valeriy E. Karasik
Publikováno v:
Sensors, Vol 22, Iss 7, p 2772 (2022)
We demonstrated a fiber optic distributed acoustic sensor based on a double Sagnac interferometer, using two wavelengths separated by CWDM modules. A mathematical model of signal formation principle, based on a shift in two signals analysis, was desc
Externí odkaz:
https://doaj.org/article/40b5ff0ea18242e287fa0dccd888f569
Autor:
Boris G. Gorshkov, Kivilcim Yüksel, Andrei A. Fotiadi, Marc Wuilpart, Dmitry A. Korobko, Andrey A. Zhirnov, Konstantin V. Stepanov, Artem T. Turov, Yuri A. Konstantinov, Ivan A. Lobach
Publikováno v:
Sensors, Vol 22, Iss 3, p 1033 (2022)
This work presents a detailed review of the development of distributed acoustic sensors (DAS) and their newest scientific applications. It covers most areas of human activities, such as the engineering, material, and humanitarian sciences, geophysics
Externí odkaz:
https://doaj.org/article/e708c1c0d92141d298835f2636cdd1a5
Autor:
Andrey A. Zhirnov, Konstantin V. Stepanov, Stanislav G. Sazonkin, Tatyana V. Choban, Kirill I. Koshelev, Anton O. Chernutsky, Alexey B. Pnev, Alexey O. Novikov, Dmitriy A. Yagodnikov
Publikováno v:
Sensors, Vol 21, Iss 23, p 7836 (2021)
In this study, an experimental study of the burning rate of solid fuel in a model solid propellant rocket motor (SRM) E-5-0 was conducted using a non-invasive control method with fiber-optic sensors (FOSs). Three sensors based on the Mach–Zehnder i
Externí odkaz:
https://doaj.org/article/d211e97df0ea40569ed831e42df4c771
Autor:
Konstantin V. Stepanov, Andrey A. Zhirnov, Kirill I. Koshelev, Anton O. Chernutsky, Roman I. Khan, Alexey B. Pnev
Publikováno v:
Sensors, Vol 21, Iss 21, p 7077 (2021)
We present a theoretical and experimental study in which we increased the sensitivity of a phase-sensitive optical time-domain reflectometer (phi-OTDR). This was achieved by constructing coils in the sensor cable, which increased the total amplitude
Externí odkaz:
https://doaj.org/article/010c43aac9074f21ba3dd5d1a78cfa98