Abstract
The object of the study is a straight-flow annular combustion chamber (CC) with toroidal recirculation-mixing zone which has significant reserves of minimization in size. The workflow of the CC has a number of problems, which arise due to the lack of experimental and calculated data. The aim of the study is to refine the design of the CC with toroidal recirculation-mixing to obtain the necessary workflow parameters. The first step of maturation involved the organization of swirl structure at primary zone. On the second step there were conducted the refining of the flame shape in primary combustion zone. The third step was devoted to the formation of the necessary temperature field at the outlet of the CC. As a result, an acceptable design of the combustion chamber was obtained.
Highlights
IntroductionIn a new project the scheme solution of inlet duct and centrifugal compressor was not changed, but radial turbine became axial
The design of the serial power plant was used as a prototype to create a new engine
In a new project the scheme solution of inlet duct and centrifugal compressor was not changed, but radial turbine became axial. This entailed a change in the combustion chamber
Summary
In a new project the scheme solution of inlet duct and centrifugal compressor was not changed, but radial turbine became axial. The aim of the paper is the maturation of the design of the combustion chamber with toroidal recirculation mixing zone for optimization its workflow. To achieve this goal, it is necessary to solve the following tasks: 1) refine the aerodynamic flow structure to form a toroidal vortex in the primary combustion zone; 2) to form the combustion process in such a way that there is no local overheating of the flame tube wall; 3) provide the required temperature field at the outlet from the combustion chamber
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