Influencing Analysis of Ply Parameters to Blade Properties based on Response Surface Method

doi:10.23940/ijpe.19.01.p9.8896

Abstract

Abstract:

The performance of a composite wind turbine blade varies with its ply parameters. According to the design principle of the response surface method,different ply schemesarebuilt. Taking the optimal overall properties of the blade as goals, with ply parameters as independent variables and thestatic strength and stiffness of the blade as response variables, experimentsare designed using theTaguchi method in Minitab, and the static strength and stiffness of the blade aresimulated. The mapping relationship between ply parameters and the Tsai-Wu failure factor is determined, the maximum displacement isestablished through multivariate linear regression analysis, and the significant test of the mathematical model and its coefficients is performed. The influence of ply parameters on blade structure performance is analyzed. The correctness and effectiveness of the method are verified.

Key words: ply parameters, structural properties, coupling influence, response surface method, wind turbines

Penghui Wu, Pengwen Sun, Jinghua Cao, and Lanting Zhang. Influencing Analysis of Ply Parameters to Blade Properties based on Response Surface Method [J]. Int J Performability Eng, 2019, 15(1): 88-96.

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References 13

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Laminate angle	0°ply thickness ratio	Stacking sequence
30°	10%	${{\left[ \pm x{}^\circ /{{\left( 0{}^\circ ,\pm x{}^\circ \right)}_{2}}/\pm x{}^\circ /{{\left( 0{}^\circ ,\pm x{}^\circ \right)}_{2}} \right]}_{\text{NT}}}$
45°	30%	${{\left[ {{\left( 0{}^\circ ,\pm x{}^\circ \right)}_{2}}/{{\left( \pm x{}^\circ \right)}_{2}}/{{\left( 0{}^\circ ,\pm x{}^\circ \right)}_{2}} \right]}_{\text{NT}}}$
50°	40%	${{\left[ \left( \pm x{}^\circ \right)/{{\left( 0{}^\circ ,\pm x{}^\circ \right)}_{4}}/\left( \pm x{}^\circ \right) \right]}_{\text{NT}}}$

Test No.	Layer angle	0° ply thickness ratio	Stacking sequence	Tsai-Wufailure factor	Maximum displacement (mm)
1	50°	40%	3	0.8028	877.6
2	50°	40%	1	0.8017	882.5
3	50°	10%	3	0.8940	991.1
4	50°	10%	1	0.8659	991.4
5	30°	40%	3	0.8016	873.6
6	30°	40%	1	0.8053	873.0
7	30°	10%	3	0.8872	987.8
8	30°	10%	1	0.9044	988.1