A Bionic Design Method of Turbocharger Volute

A design method and supercharger technology, applied in computer-aided design, instrumentation, calculation, etc., can solve the problems that hinder the rapid development of volute design technology and single volute design method, so as to improve the performance of supercharger and increase the compressed air Efficiency and linear change, the effect of improving the overall efficiency

Active Publication Date: 2019-03-29
SHANDONG JIAOTONG UNIV +1
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Problems solved by technology

Although the design results will be fine-tuned according to the experimental data, the volute design method that is completely based on theoretical calculations is single, which hinders the rapid development of volute design technology

Method used

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  • A Bionic Design Method of Turbocharger Volute
  • A Bionic Design Method of Turbocharger Volute
  • A Bionic Design Method of Turbocharger Volute

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Embodiment Construction

[0015] In order to make the content of the present invention more clearly understood, the present invention will be further described in detail below according to specific embodiments of the present invention and in conjunction with the accompanying drawings. The embodiments described below by referring to the drawings are exemplary, and are only for explaining the patent of the present invention, and cannot be construed as limiting the patent of the present invention.

[0016] The overall idea of ​​the invention to solve its technology is:

[0017] A bionic volute design whose channel section is the contour line of the inner cavity of the spiral shell, including a series of cross-sectional contour lines of the inner cavity of the spiral shell, and the channel section gradually increases from the entrance of the volute channel to the exit of the channel , the curvature of the channel cross-sectional contour line changes uniformly, and the inner surface of the streamlined chann...

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Abstract

The invention relates to a bionics design method for a supercharger volute. The good hydrodynamic characteristics of a spiral shell contour curve are utilized for conducting supercharger volute passage cross section line design. The method comprises the following steps that 1, by means of a reverse engineering technology, a spiral shell inner cavity surface model is digitized, and quantification and reconstruction of a spiral shell inner surface hook face are achieved by means of processing of software; 2, the obtained volute passage cross section curves are spread and arranged according to the areas from small to large, and supercharger volute passage cross section line design is achieved; 3, lofting is conducted by means of a cross section contour line to generate a volute hook face, thehook face at an outlet of the passage and the volute passage hook face are in tangent transition, and thickening is conducted according to the engineering requirements. Accordingly, flow optimizationof the supercharger volute can be better achieved, the air injection efficiency and linear changes under all rotating speeds are improved, the supercharger property is improved, and the overall efficiency of a compressor is improved. A new idea and method are provided for current supercharger volute design.

Description

technical field [0001] The invention relates to a design method of a volute, in particular to a bionic design method of a supercharger volute. Background technique [0002] The study found that the performance of the volute of the supercharger directly affects the supercharging efficiency of the supercharger and the smooth operation of the supercharger, and the cross-sectional shape design of the volute directly affects the efficiency of the compressor. The design shape of the volute channel section directly affects the curvature change of the volute cavity, the friction force and pressure gradient distribution between the fluid in the volute cavity and the wall surface, changes the flow field distribution in the volute cavity, and affects the fluid movement law in the volute cavity , pressure distribution and energy loss, which in turn affects the overall efficiency and pressure loss of the compressor. At present, there is no mature design method for the channel section of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/50
CPCG06F30/17G06F2119/06
Inventor 吴娜李灿王希波张克松
Owner SHANDONG JIAOTONG UNIV
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