Fast virtual numerical value test method for aerodynamic performance of baffled combustor

Abstract

The invention relates to a fast virtual numerical value test method for the aerodynamic performance of a baffled combustor, and relates to the technical field of small turbine engine tests. Accordingto the method, the problem that an aerodynamic model of the combustor is needed in a virtual numerical value test is solved by building a fast, simple and applicable one-dimensional aerodynamic modelof the baffled combustor of a small turbine engine, then the fast virtual numerical value test method for the aerodynamic performance of the baffled combustor of the small turbine engine is formed, and the aim that tests for the aerodynamic performance of the combustor are quickly conducted on a computer platform to obtain the aerodynamic performance of the combustor is achieved. The method is high in computing speed, under the condition that the model is verified, real object tests of the baffled combustor can be partly replaced, the combustor testing cost is reduced, the development period is shortened, and the combustor development efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of small turbine engine tests, in particular to a fast virtual numerical test method for the aerodynamic performance of a baffled combustion chamber. Background technique [0002] There are two main methods to obtain the aerodynamic performance of the turbine engine combustor: one is to obtain the aerodynamic performance directly by using the physical test of the combustion chamber test bench; the other is to obtain the aerodynamic performance by using CFD numerical simulation technology. Due to the limitations of the latter theory, such as not being verified by experimental data and correcting the model, the practicability is limited. Therefore, physical testing is still the main method currently used. [0003] Due to the virtual numerical test method of the numerical simulation technology, the cost and cost of the development can be saved, the development period can be shortened, the development efficienc...

AI Technical Summary

Problems solved by technology

Although our country has also launched a similar ATPD program, due to the weak foundation, there is a big gap with the foreign technical level, and the systematic tool software and environment have not been established, and the basic database and model library are also extremely incomplete. The application in the small turbine engine test has not been really carried out, therefore, it is necessary and urgent to develop the virtual numerical test technology of the key components of the small turbine engine (such as the combustion chamber)

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