AN AIRFOIL BLADE REVERSE MODELING METHOD BASED ON AREA METHOD

Zeng Zepeng; Cheng Siyuan; Cai Jiayi; Yang Xuerong

doi:10.19912/j.0254-0096.tynxb.2024-2437

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Acta Energiae Solaris Sinica ›› 2026, Vol. 47 ›› Issue (5) : 324-331. DOI: 10.19912/j.0254-0096.tynxb.2024-2437

AN AIRFOIL BLADE REVERSE MODELING METHOD BASED ON AREA METHOD

Zeng Zepeng, Cheng Siyuan, Cai Jiayi, Yang Xuerong

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Abstract

During the reverse modeling process, an airfoil blade reverse modeling method based on area method is proposed to improve model accuracy and expedite design efficiency. A series of area formulas containing airfoil parameters are derived through integral operations, and geometric addition and subtraction based on the airfoil design equations. The airfoil contour is divided into four special regions and the area of these four regions is measured. The obtained areas are substituted into the area formulas to obtain the airfoil's parameters and type. The airfoil cross-section contour is forward designed through the type and design equations of airfoil, and the airfoil contours of different cross-sections are connected through lofting operation to obtain the airfoil blade model. By comparing the obtained results with the airfoil cross-sectional areas of variant models, the feasibility of this method is verified. The area elements of airfoil are introduced into reverse modeling in this method, which simplifies the acquisition of airfoil data.The area formulas are derived from design equations, and their calculation process is straightforward and fast, which can not only reduce errors but also accelerate the reverse modeling process. The identification of airfoil's type makes the obtained model more aligned with its design principles and provides structural information for subsequent optimization designs.

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reverse engineering / airfoils / blades / area formulas / design equations

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Zeng Zepeng, Cheng Siyuan, Cai Jiayi, Yang Xuerong. AN AIRFOIL BLADE REVERSE MODELING METHOD BASED ON AREA METHOD[J]. Acta Energiae Solaris Sinica. 2026, 47(5): 324-331 https://doi.org/10.19912/j.0254-0096.tynxb.2024-2437

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