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Rapid evaluation method for two-dimensional temperature and strength of turbine air cooling blade

A blade and air-cooling technology, which is applied in the field of rapid evaluation of two-dimensional temperature and strength of turbine air-cooled blades, to achieve the effect of ensuring calculation accuracy, improving calculation efficiency and calculation convenience

Pending Publication Date: 2021-03-16
AECC SHENYANG ENGINE RES INST +1
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Problems solved by technology

[0004] The purpose of this application is to provide a rapid evaluation method for two-dimensional temperature and strength of turbine air-cooled blades to solve at least one problem in the prior art

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  • Rapid evaluation method for two-dimensional temperature and strength of turbine air cooling blade
  • Rapid evaluation method for two-dimensional temperature and strength of turbine air cooling blade
  • Rapid evaluation method for two-dimensional temperature and strength of turbine air cooling blade

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Embodiment Construction

[0067] In order to make the purpose, technical solution and advantages of the application more clear, the technical solution in the embodiment of the application will be described in more detail below in conjunction with the drawings in the embodiment of the application. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are some, but not all, embodiments of the application. The embodiments described below by referring to the figures are exemplary, and are intended to explain the present application, and should not be construed as limiting the present application. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application. Embodiments of the present application will be described in detail below in conjunction with th...

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Abstract

The invention belongs to the field of aero-engines, and particularly relates to a rapid evaluation method for two-dimensional temperature and strength of a turbine air cooling blade. The method comprises the steps: 1, acquiring the two-dimensional section of the turbine air cooling blade; 2, constructing a finite element model with a two-dimensional cross section, and performing mesh generation onthe finite element model to obtain node data of meshes; 3, obtaining the material parameters and temperature field calculation boundary conditions of the turbine air cooling blade, calculating the temperature value of each node of the grid, and acquiring the temperature field of the turbine air cooling blade; 4, enabling the temperature field of the turbine air cooling blade to be equivalent to athermal load, applying the thermal load and a preset pressure load to the finite element model at the same time, calculating the displacement value and the stress value of each node of the grid, andacquiring the displacement field and the stress field of the turbine air cooling blade; and adopting the same set of grids in calculation of the temperature field, the displacement field and the stress field. According to the method, the calculation efficiency and the calculation convenience can be improved on the basis of ensuring the calculation accuracy.

Description

technical field [0001] The application belongs to the field of aero-engines, and in particular relates to a rapid evaluation method for two-dimensional temperature and strength of turbine air-cooled blades. Background technique [0002] At present, the calculation methods for calculating the temperature and strength of turbine cooling blades are mostly calculated by commercial software. The unified idea is to input the two-dimensional geometric model of the blade and perform grid division. Effect element, input the heat transfer boundary, and calculate. However, whether it is the gas-thermal coupling algorithm or the method of establishing the input boundary of the surface effect unit, it needs to input the two-dimensional geometric model of the blade, and because the temperature and intensity use different grids, the calculation operation is complicated, and there are many manual operations and calculation steps in the middle. And other reasons make the calculation time lo...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/23G06F119/08
CPCG06F30/23G06F2119/08
Inventor 屈云凤孙树立吴向宇
Owner AECC SHENYANG ENGINE RES INST
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