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A bionic airfoil blade

A bionic wing and blade technology, applied in design optimization/simulation, instrumentation, final product manufacturing, etc., can solve problems such as limited hydraulic performance help

Active Publication Date: 2020-10-23
ANHUI NANFANG CHEM PUMP IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above methods mainly use fins as bionic objects to design bionic airfoil blades, but since fish fins play a role in maintaining the balance of fish bodies when swimming, fish fins are used as bionic objects to design bionic airfoil blades. The design of the bionic airfoil blade has limited help in improving the hydraulic performance

Method used

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  • A bionic airfoil blade
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Embodiment Construction

[0070] In order to make the object, technical solution and advantages of the present invention clearer, the implementation of the present invention will be further described through specific examples below in conjunction with the accompanying drawings.

[0071] In this embodiment, sturgeon is used as the acquisition model of the bionic airfoil blade, and the specific operation method in this embodiment is also applicable to the acquisition of the bionic airfoil and the design of the airfoil blade by other fish bodies.

[0072] Such as figure 1 As shown, the bionic airfoil blade designed based on the sturgeon as the bionic object, its shape curve includes the back curve of the bionic airfoil blade and the abdomen curve of the bionic airfoil blade, and the two ends of the bionic airfoil blade back curve and the bionic airfoil blade abdomen curve intersection point, the straight-line distance between the two intersection points is the chord length of the airfoil, and the maximum ...

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Abstract

A bionic airfoil blade. A profile curve of the bionic airfoil blade comprises a bionic airfoil blade back curve and a bionic airfoil blade abdominal curve. An included angle α formed by the bionic airfoil blade back curve and the bionic airfoil blade abdominal curve at a leading edge is 14.43, and the included angle β formed at a trailing edge is 6.42. Also disclosed is a design method for the bionic airfoil blade. The bionic airfoil blade has good lift-drag characteristics and hydraulic performance. The method can design bionic airfoils with different maximum thicknesses, and is high in practicability.

Description

technical field [0001] The invention belongs to the technical field of impeller design, production and processing, and in particular relates to a bionic airfoil blade designed with fish as a bionic object. Background technique [0002] Bionics is developing from unilateral bionics to multi-faceted coupled bionics, from macro to micro, to a more precise direction; bionic technology is also being researched on the application of engineering drag reduction and performance improvement. The increase has also achieved good results. The development of bionic technology is also constantly promoting changes in the shape and structure of the impeller; the types of bionic objects are also increasing, and fish is the most common bionic object; [0003] Chinese patent document (application publication number: CN105201728A) discloses a design method of a combined airfoil blade of a horizontal axis tidal current energy turbine. Combining the conventional blade airfoil with the bionic airf...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F03B3/12G06F30/17G06F30/28G06F119/14
CPCF03B3/121Y02E10/20Y02P70/50
Inventor 燕浩张浩舟陈亮李强王秀礼石海峡夏巍
Owner ANHUI NANFANG CHEM PUMP IND
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