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Pisma v Zhurnal Tekhnicheskoi Fiziki, 2020, Volume 46, Issue 9, Pages 20–24
DOI: https://doi.org/10.21883/PJTF.2020.09.49367.17977 (Mi pjtf5114) 		 
Optimization of parameters of gas-generator and lidar systems for measuring air flows in nondestructive examination of cooling microchannels at short distances

A. A. Kimab, K. V. Eliseeva, V. V. Akapieva, V. L. Akapievc, S. E. Savotchenkod, A. S. Gorlovd

a Baltic State Technical University, St. Petersburg
b Lasers Sistems Ltd., St.-Petersburg
c Federal State Public Educational Establishment of Higher Training «Belgorod Law Institute of Ministry of the Internal of the Russian Federation named after I.D. Putilin»
d Belgorod Shukhov State Technological University
Full-text PDF (109 kB)
DOI: https://doi.org/10.21883/PJTF.2020.09.49367.17977
Abstract: A method of nondestructive examination of the state of cooling microchannels of heavily loaded turbine blades by measuring the speed of an exiting aerosol-containing air flow using a continuous-wave coherent Doppler lidar is described. A mathematical model by use of which optimum values of parameters of gas-generator and lidar systems are determined is developed. The effect of the diameter of aerosol particles on the backscattered power is studied.
Keywords: Doppler lidar, nondestructive examination, backscattering, aerosol, scattering cross section.
Received: 12.07.2019
Revised: 10.02.2020
Accepted: 10.02.2020
English version:
Technical Physics Letters, 2020, Volume 46, Issue 5, Pages 427–431
DOI: https://doi.org/10.1134/S1063785020050053
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: A. A. Kim, K. V. Eliseev, V. V. Akapiev, V. L. Akapiev, S. E. Savotchenko, A. S. Gorlov, “Optimization of parameters of gas-generator and lidar systems for measuring air flows in nondestructive examination of cooling microchannels at short distances”, Pisma v Zhurnal Tekhnicheskoi Fiziki, 46:9 (2020), 20–24; Tech. Phys. Lett., 46:5 (2020), 427–431
Citation in format AMSBIB
\Bibitem{KimEliAka20}
\by A.~A.~Kim, K.~V.~Eliseev, V.~V.~Akapiev, V.~L.~Akapiev, S.~E.~Savotchenko, A.~S.~Gorlov
\paper Optimization of parameters of gas-generator and lidar systems for measuring air flows in nondestructive examination of cooling microchannels at short distances
\jour Pisma v Zhurnal Tekhnicheskoi Fiziki
\yr 2020
\vol 46
\issue 9
\pages 20--24
\mathnet{http://mi.mathnet.ru/pjtf5114}
\crossref{https://doi.org/10.21883/PJTF.2020.09.49367.17977}
\elib{https://elibrary.ru/item.asp?id=43800675 }
\transl
\jour Tech. Phys. Lett.
\yr 2020
\vol 46
\issue 5
\pages 427--431
\crossref{https://doi.org/10.1134/S1063785020050053}
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