Abstract
The work represents the results of experimental research of aerodynamics of three dimensional turbulent jets flowing from nozzles with rectangle outflow face. The results of measurements of average and pulse flow characteristics of threedimensional jets are given. The data on axis speed and turbulence intensity are given and an attempt to reveal their interrelation is made. The results of experimental data comparison on axis speed attenuation of three dimensional jets with the data for axis symmetric stream are presented.
Highlights
When testing gas turbine power plants, questions arise about the study of the average characteristics of products
This article is devoted to problems of finding the average integral characteristics under conditions of a complex threedimensional turbulent flow
The quality of measurements and the accuracy of determining the integral characteristics of the flow depends on the amount of irretrievable losses and, the economy of the power plant
Summary
When testing gas turbine power plants, questions arise about the study of the average characteristics of products. The purpose of this paper is to experimentally study the average dynamic and thermal flow characteristics in a three-dimensional jet over a wide range of changes in the aspect ratio and the initial velocity in the presence and absence of acoustic action, to study the coherent structure of turbulence in a threedimensional jet and to determine the influence of such structures on the dynamics and heat transfer of the jet .
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