BLADES

作品数：119被引量：302H指数：9
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An experimental study of noise generated by tandem blades
《Chinese Journal of Aeronautics》2025年第2期143-160,共18页Xiaolong TANG Fan TONG Chao WANG Jue DING Guangming LI Xiaoquan YANG 
supported by grants from the National Natural Science Foundation of China(Nos.12102451,12072186);the National Science and Technology Major Project,China(No.J2019-II-0006-0026);AVIC Aerodynamics Research Institute,China(No.XFX20220201).
To facilitate the low-noise design of tandem lift bodies as applied in aeroengines and aircraft,the acoustic features of tandem blades are investigated by wind-tunnel experiments.This is further specialized for the ro...
关键词：Tandem blades Contra-rotating open rotor Noise BEAMFORMING Blade spacing and clipping Wind tunnel test 
Flow Analysis of Tandem Blades as the Outlet Vane of a Highly Loaded Compressor
《Journal of Thermal Science》2024年第6期2005-2018,共14页LUO Qiao LUO Lei DU Wei YAN Han WANG Songtao ZHOU Xun 
supported by the National Science and Technology Major Project (Nos.2017-Ⅱ-0007-0021 and P2021-AB-I-003-001);the Heilongjiang Province Postdoctoral Special Funding (LBH-TZ2109)
A tandem blade configuration is a significant flow control method that delays the onset of flow separation.This study numerically investigates the effects of diffusion factor and percentage pitch on the flow structure...
关键词：COMPRESSOR tandem blade loss corner separation gap flow 
Gas-rigid-flexible compound blade coupling enhanced experimental study on chaotic mixing of multiphase flow
《Particuology》2024年第11期356-372,共17页Yan Zhang Xinyu Li Gai Zhang Mingyang Fan Jianxin Xu Hua Wang 
supports by the National Natural Science Foundation of China(project No.52166004);National key research and development plan project(project No.2022YFC3902000);Yunnan Major Scientific and Technological Projects(grant Nos.202202AG050007,202202AG050002).
Efficient fluid mixing is essential for process intensification.This study proposes a new method in which gas-rigid-flexible composite blades are coupled to enhance chaotic mixing in multiphase flow systems.The rigidi...
关键词：Rigid-flexible compound blades Tracer particle Bubble dynamics Multiphase flow Chaotic mixing characteristics 
Surface Defect Detection and Evaluation Method of Large Wind Turbine Blades Based on an Improved Deeplabv3+Deep Learning Model
《Structural Durability & Health Monitoring》2024年第5期553-575,共23页Wanrun Li Wenhai Zhao Tongtong Wang Yongfeng Du 
supported by the National Science Foundation of China(Grant Nos.52068049 and 51908266);the Science Fund for Distinguished Young Scholars of Gansu Province(No.21JR7RA267);Hongliu Outstanding Young Talents Program of Lanzhou University of Technology.
The accumulation of defects on wind turbine blade surfaces can lead to irreversible damage,impacting the aero-dynamic performance of the blades.To address the challenge of detecting and quantifying surface defects on ...
关键词：Structural health monitoring computer vision blade surface defects detection Deeplabv3+ deep learning model 
Influence of Vanes and Blades on Ingress in Axial Rim Seal for Turbine Stages
《Journal of Thermal Science》2024年第3期833-846,共14页REN Ran DU Qiang LIU Guang ZENG Yanlian XIE Lei 
financial support of the National Natural Science Foundation Outstanding Youth Foundation(Grant No.52122603);the National Science and Technology Major Project(J2019-Ⅲ-0003-0046);the cloud computing supported by the Beijing Super Cloud Computing Center。
Hot gas ingestion refers to the phenomenon of mainstream hot gas flowing into the space cavity of a turbine wheel.Previous studies have found that mainstream annulus pressure distribution plays an important role in ho...
关键词：separation vortex UNSTEADY rim seal the effect of blade on ingestion 
A framework for dynamic modelling of railway track switches considering the switch blades,actuators and control systems
《Railway Engineering Science》2024年第2期162-176,共15页Saikat Dutta Tim Harrison Christopher Ward Roger Dixon Phil Winship 
This research was supported by the European Union’s‘Shift2Rail’through No.826255 for the project IN2TRACK2:Research into enhanced track and switch and crossing system 2
The main contribution of this paper is the development and demonstration of a novel methodology that can be followed to develop a simulation twin of a railway track switch system to test the functionality in a digital...
关键词：Railway track switch Mathematical modelling Redundant actuation Finite element analysis 
Optimization of the co-closing law of guide vanes and blades for bulb turbines based on CFD
《Journal of Hydrodynamics》2024年第2期363-377,共15页Hui Liu Yun-fa Lin Yong-guang Cheng Song Xue Mao-jia Tang Jian Zhang Jia-yi Fan 
Project supported by the National Natural Science Foundation of China (Grant Nos.51839008,51909226).
The load rejection transient process of bulb turbine units is critical to safety of hydropower stations,and determining appropriate closing laws of guide vanes(GVs)and runner blades(RBs)for this process is of signific...
关键词：Bulb turbine load rejection transient process double regulation closing law OPTIMIZATION computational fluid dynamics(CFD) 
Climate change and human health: Last call to arms for us
《World Journal of Clinical Cases》2024年第11期1870-1874,共5页Antonio Corrente Maria Caterina Pace Marco Fiore 
Climate change,now the foremost global health hazard,poses multifaceted challenges to human health.This editorial elucidates the extensive impact of climate change on health,emphasising the increasing burden of diseas...
关键词：Climate change Carbon footprint Sustainability Greenhouse gases Anaesthetic gases Environmental impact Disposable laryngoscope blades 
Review on Dynamic Modeling and Vibration Characteristics of Rotating Cracked Blades
《Journal of Dynamics, Monitoring and Diagnostics》2023年第4期207-227,共21页Hui Ma Zhiyuan Wu Jin Zeng Weiwei Wang Hongji Wang Hong Guan Wenming Zhang 
supported by the National Natural Science Foundation of China (Grant no.11972112,12032015,12121002 and 12202368);the Natural Science Foundation of Sichuan Province (Grant Nos.2022NSFSC1997).
As one of the most important parts in the engine,the structure and state of the rotating blade directly affect the normal performance of the aeroengine.In order to monitor engine crack failure and ensure flight safety...
关键词：breathing crack crack propagation cracked blade dynamic characteristics dynamic modeling 
Number of holes and blades to control the performance of aquaculture aerator
《Aquaculture and Fisheries》2023年第6期672-680,共9页Ridwan Rudi Irawan M.Alvin Mubarok 
the Ministry of Education and Culture,Research and Technology,Higher Education of the Republic of Indonesia(grant number 069/E5/PG.02.00.PT/2022).
Water quality determines the success of inland aquaculture.The factor determining water quality is the concentration of dissolved oxygen(DO).To find effective paddlewheel aerators to enhance DO concentration,nine mode...
关键词：AERATOR BLADE Aeration process AQUACULTURE Aquatic animal Dissolved oxygen 
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