Numerical Simulation and Measurement of Deformation Wave Parameters by Sensors of Various Types
Smailov N. Koshkinbayev S. Tashtay Y. Kuttybayeva A. Abdykadyrkyzy R. Arseniev D. Kiesewetter D. Krivosheev S. Magazinov S. Malyugin V. Sun C.
November 2023Multidisciplinary Digital Publishing Institute (MDPI)
Sensors
2023#23Issue 22
The results of applications of various methods for measuring the parameters of high-speed loading using a strain gauge, a fiber Bragg grating located on a metal measuring rod and an interferometer monitoring the movement of the free boundary of the end of the rod are presented. Numerical simulation confirmed the adequacy of the description of the shock-wave process according to experimental data and showed that, with the thickness of the adhesive layer fixing the fiber Bragg grating and the strain gauge on a dimensional rod up to 100 µm, the deformation parameters of the sensors correspond to the parameters of the stress–strain state of the rod. Experimentally, a good correspondence of the results of measuring the magnitude of the relative deformation at a pulse duration of 10–100 µs using sensors of various types is shown, and an estimate of the limit values of the measured values of the deformation wave parameters is given.
diagnostics , fiber Bragg grating , high-speed deformation , pulse elongation , sensors , spectrum , strain gauge
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Department of Electronics, Telecommunications and Space Technologies, Satbayev University, Almaty, 050013, Kazakhstan
Institute of Energy, Higher School of High Voltage Engineering, Peter the Great St. Petersburg Polytechnic University, St. Petersburg, 195251, Russian Federation
College of Optoelectronic Engineering and Instrumentation Science, Dalian University of Technology, Dalian, 116024, China
Department of Electronics
Institute of Energy
College of Optoelectronic Engineering and Instrumentation Science
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