Articles | Volume 12, issue 1
https://doi.org/10.5194/ms-12-615-2021
https://doi.org/10.5194/ms-12-615-2021
Research article
 | 
04 Jun 2021
Research article |  | 04 Jun 2021

Scheme optimization for a turbine blade under multiple working conditions based on the entropy weight vague set

Guodong Yi, Huifang Zhou, Yang Wang, Jingli Wu, and Jundi Wu

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Subject: Mechanisms and Robotics | Techniques and Approaches: Optimization
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Cited articles

Ahmad, S., Suman, A., Sidharth, T., Pawar, G., Kumar, V., and Vyas, N. S.: Structural Integrity Analysis and Life Estimation of a Gas Turbine Bladed-Disc, Procedia Struct. Inte., 17, 758–765, https://doi.org/10.1016/j.prostr.2019.08.101, 2019. 
Albanesi, A., Fachinotti, V., Peralta, I., Storti, B., and Gebhardt, C.: Application of the inverse finite element method to design wind turbine blades, Compos Struct, 161, 160–172, https://doi.org/10.1016/j.compstruct.2016.11.039, 2017. 
Albanesi, A., Bre, F., Fachinotti, V., and Gebhardt, C.: Simultaneous ply-order, ply-number and ply-drop optimization of laminate wind turbine blades using the inverse finite element method, Compos. Struct., 184, 894–903, https://doi.org/10.1016/j.compstruct.2017.10.051, 2018. 
Bhagi, L. K., Rastogi, V., Gupta, P., and Pradhan, S.: Dynamic Stress Analysis of L-1 Low Pressure Steam Turbine Blade: Mathematical Modelling and Finite Element Method, Mater. Today-Proc., 5, 28117–28126, https://doi.org/10.1016/j.matpr.2018.10.053, 2018. 
Brahimi, F. and Ouibrahim, A.: Blade dynamical response based on aeroelastic analysis of fluid structure interaction in turbomachinery, Energy, 115, 986–995, https://doi.org/10.1016/j.energy.2016.09.071, 2016. 
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Short summary
The deformation of blades under complex loads of multiple working conditions reduces the energy conversion efficiency. To reduce the deviation of the blade shape in practical working conditions, a combination and optimization method of blade design schemes under multiple working conditions, based on the entropy weight vague sets, is proposed. The results show that the proposed design scheme has a smaller blade shape deviation than the traditional design scheme under multiple working conditions.