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NON-INTRUSIVE DETERMINATION OF TURBULENT ENERGY BALANCE IN FREE AND CONFINED JET FLOWS

Sergey Alekseenko
Kutateladze Institute of Thermophysics SB RAS, Lavrentyev Ave. 1, 630090, Novosibirsk, Russia; Department of Physics, Novosibirsk State University

Arthur V. Bilsky
Institute of Thermophysics, Siberian Branch of RAS, Lavrentyev Ave. 1, Novosibirsk, 630090, Russia

Vladimir M. Dulin
Kutateladze Institute of Thermophysics, 1, Lavrentyev Avenue, Novosibirsk, 630090, Russia; Department of Science and Research, Novosibirsk State University 2, Pirogova Street, 630090, Russia

Boris B. Ilyushin
Kutateladze Institute of Thermophysics SB RAS, Lavrentyev ave., 1, 630090, Novosibirsk; and Nuclear Safety Institute of RAS, Moscow, Russia; Novosibirsk State University, Novosibirsk, Russia

Dmitriy M. Markovich
Kutateladze Institute of Thermophysics, Siberian Branch of the Russian Academy of Sciences (IT SB RAS), 1, Lavrentyev Ave., Novosibirsk, 630090, Russia; Department of Physics, Novosibirsk State University (NSU), 1, Pirogov Str., Novosibirsk, 630090, Russia; Institute of Power Engineering, Tomsk Polytechnic University (TPU), 30, Lenin Ave., Tomsk, 634050, Russia

要約

On the basis of PIV measurements the estimation of turbulent kinetic energy balance is performed for free and impinging jets. Influence of external periodical forcing is studied. For correct calculation of differential characteristics the appropriate interpolation and derivative calculation schemes are applied. The complete set of statistical moments as well as terms of momentum balance are obtained for studied flows.