Search Results - "Sun, Zhenxu"

A practical approach to flow field reconstruction with sparse or incomplete data through physics informed neural network by Xu, Shengfeng, Sun, Zhenxu, Huang, Renfang, Guo, Dilong, Yang, Guowei, Ju, Shengjun

“…High-resolution flow field reconstruction is prevalently recognized as a difficult task in the field of experimental fluid mechanics, since the measured data…”
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A feasibility study on applying meta-heuristic optimization and Gaussian process regression for predicting the performance of pantograph-catenary system by Zhang, Mohan, Yin, Bo, Sun, Zhenxu, Bai, Ye, Yang, Guowei

“…As the pantograph-catenary system provides electric energy for high-speed trains, it is vital to evaluate the contact force (CF) between pantograph and…”
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Optimization design for aerodynamic elements of high speed trains by Shuanbao, Yao, Dilong, Guo, Zhenxu, Sun, Guowei, Yang, Dawei, Chen

“…•A multi-objective optimization process based on the response surface is constructed.•The Kriging model is constructed by the combination of cross-validation…”
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Robust optimisation of the streamlined shape of a high-speed train in crosswind conditions by Wang, Yeteng, Sun, Zhenxu, Ju, Shengjun, Guo, Dilong, Yang, Guowei

“…Traditional deterministic aerodynamic optimisation cannot consider environmental uncertainty, which may lead to sensitivity issues. The present study proposes…”
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Special Issue on Aerodynamic Noise Research of High-Speed Trains by Li, Tian, Sun, Zhenxu, Wang, Tiantian

“…Trains have gained immense popularity as a fast and efficient mode of transportation [...]…”
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Influences of affiliated components and train length on the train wind by Guo, Dilong, Shang, Keming, Zhang, Ye, Yang, Guowei, Sun, Zhenxu

“…The induced airfl w from passing trains,which is recognized as train wind,usually has adverse impacts on people in the surroundings,i.e.,the aerodynamic forces…”
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Aerodynamic optimization using passive control devices near the bogie cabin of high-speed trains by Yao, Yongfang, Sun, Zhenxu, Li, Guibo, Yang, Guowei, Prapamonthon, Prasert, Guo, Yi, Wang, Mengying

“…Bogies are responsible for a significant amount of aerodynamic resistance and noise, both of which negatively affect high-speed train performance and passenger…”
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Numerical Investigation on the Influence of the Streamlined Structures of the High-Speed Train’s Nose on Aerodynamic Performances by Sun, Zhenxu, Yao, Shuanbao, Wei, Lianyi, Yao, Yongfang, Yang, Guowei

“…The structural design of the streamlined shape is the basis for high-speed train aerodynamic design. With use of the delayed detached-eddy simulation (DDES)…”
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Study on mathematical model construction of typical gorge wind field by Cheng, Jionghao, Sun, Zhenxu, Ju, Shengjun, Yang, Guowei, Mao, Jun, Guo, Dilong

“…Wind conditions in gorges have a significant impact on the safe operation of high-speed trains, due to the lack of a unified gorge wind model and the…”
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Research on aerodynamic optimization of high-speed train's slipstream by Sun, Zhenxu, Yao, Shuanbao, Yang, Guowei

“…Slipstream severely affects the safety of trackside workers and equipment. With use of profile superimposition method and vehicle modeling method,…”
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Analysis of Aerodynamic Noise Characteristics of High-Speed Train Pantograph with Different Installation Bases by Yao, Yongfang, Sun, Zhenxu, Yang, Guowei, Liu, Wen, Prapamonthon, Prasert

“…The high-speed-train pantograph is a complex structure that consists of different rod-shaped and rectangular surfaces. Flow phenomena around the pantograph are…”
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Data-driven rapid prediction model for aerodynamic force of high-speed train with arbitrary streamlined head by Chen, Dawei, Sun, Zhenxu, Yao, Shuanbao, Xu, Shengfeng, Yin, Bo, Guo, Dilong, Yang, Guowei, Ding, Sansan

“…Due to the complicated geometric shape, it's difficult to precisely obtain the aerodynamic force of high-speed trains. Taking numerical and experimental data…”
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Aerodynamic-Aeroacoustic Optimization of a Baseline Wing and Flap Configuration by Ju, Shengjun, Sun, Zhenxu, Guo, Dilong, Yang, Guowei, Wang, Yeteng, Yan, Chang

“…Optimization design was widely used in the high-lift device design process, and the aeroacoustic reduction characteristic is an important objective of the…”
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Surrogate Based Optimization of Aerodynamic Noise for Streamlined Shape of High Speed Trains by Sun, Zhenxu, Zhang, Ye, Yang, Guowei

“…Aerodynamic noise increases with the sixth power of the running speed. As the speed increases, aerodynamic noise becomes predominant and begins to be the main…”
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Optimization of the head shape of the CRH3 high speed train by Sun, ZhenXu, Song, JingJing, An, YiRan

“…Aiming at optimizing the head shape of the CRH3 high speed train, an efficient optimization approach is proposed. The CFD analysis by solving Navier-Stokes…”
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Study on the critical diameter of the subway tunnel based on the pressure variation by Sun, ZhenXu, Yang, GuoWei, Zhu, Lan

“…When the subway train operates at a speed higher than 100 km/h, the corresponding aerodynamic issue becomes severe. To meet the future requirement for the…”
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Multi-objective optimization of the streamlined head of high-speed trains based on the Kriging model by Yao, ShuanBao, Guo, DiLong, Sun, ZhenXu, Yang, GuoWei, Chen, DaWei

“…As the running speed of high-speed trains increases, aerodynamic drag becomes the key factor which limits the further increase of the running speed and energy…”
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A framework of data assimilation for wind flow fields by physics-informed neural networks by Yan, Chang, Xu, Shengfeng, Sun, Zhenxu, Lutz, Thorsten, Guo, Dilong, Yang, Guowei

“…Various types of measurement techniques, such as Light Detection and Ranging (LiDAR) devices, anemometers, and wind vanes, are extensively utilized in wind…”
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Multi-objective design optimization of the combinational configuration of the upstream energy deposition and opposing jet for drag reduction in supersonic flows by Ju, Shengjun, Sun, Zhenxu, Yang, Guowei, Prapamonthon, Prasert, Zhang, Junyuan

“…Optimization design has been widely used in the supersonic vehicle design process and the drag reduction characteristic is an important objective of the…”
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Parametric study on drag reduction with the combination of the upstream energy deposition and the opposing jet configuration in supersonic flows by Ju, Shengjun, Sun, Zhenxu, Yang, Guowei, Prapamonthon, Prasert, Zhang, Junyuan

“…The drag reduction characteristics play an important role in the supersonic vehicle design phase. According to two drag reduction schemes, the opposing jet and…”
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