The improvement of existing turbines requires time-consuming computations that often limit the number of parameters that can be optimized. To address this challenge, this study uses …
Q Du, Y Li, L Yang, T Liu, D Zhang, Y Xie - Energy, 2022 - Elsevier
Aerodynamic design optimization of the blade profile is a critical approach to improve performance of turbomachinery. This paper aims to achieve the performance prediction with …
Q Du, L Yang, L Li, T Liu, D Zhang, Y Xie - Energy, 2022 - Elsevier
End wall contraction is an effective approach to reduce the substantial secondary loss in the cascade with low aspect ratio. This paper proposed a series convolutional neural network …
X Zhang, F Xie, T Ji, Z Zhu, Y Zheng - Computer Methods in Applied …, 2021 - Elsevier
In the present study, an effective optimization framework of aerodynamic shape design is established based on the multi-fidelity deep neural network (MFDNN) model. The objective …
T Mengistu, W Ghaly - Optimization and Engineering, 2008 - Springer
A fast, flexible, and robust simulation-based optimization scheme using an ANN-surrogate model was developed, implemented, and validated. The optimization method uses Genetic …
P Liao, W Song, P Du, H Zhao - Physics of Fluids, 2021 - pubs.aip.org
In aerodynamic shape optimization, a high-fidelity (HF) simulation is generally more accurate but more time-consuming than a low-fidelity (LF) simulation. To take advantage of …
H Chen, L He, W Qian, S Wang - Symmetry, 2020 - mdpi.com
Both symmetric and asymmetric airfoils are widely used in aircraft design and manufacture, and they have different aerodynamic characteristics. In order to improve flight performance …
J Liu, R Chen, J Lou, H Wu, Y You, Z Chen - Aerospace Science and …, 2023 - Elsevier
Airfoil optimization is the key to improving the aerodynamic performance of a rotor. However, conventional optimization approaches cannot modify the airfoil shape intelligently in the way …
H Hu, J Yu, Y Song, F Chen - Aerospace Science and Technology, 2021 - Elsevier
With the development of modern aero-engine, the compressor is required to achieve higher performance such as transonic operation, high stage pressure ratio and efficiency. At …