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TURBULENCE: 作品数：903被引量：1674H指数：15; 导出分析报告; 相关领域：理学更多>>; 相关作者：周猛赵金松顾宏斌杜静刘桦更多>>; 相关机构：北京大学西北大学南京航空航天大学武汉大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划中国博士后科学基金国家高技术研究发展计划更多>>

Turbulence numerical simulation of flow characteristics of Laval nozzle top blow jet: 《Transactions of Nonferrous Metals Society of China》2025年第4期1350-1361,共12页Ai-liang CHEN Yao LIU Zi-biao WANG Huan-wu ZHAN Xue-xian JIANG Feng-long SUN Jiann-yang HWANG Xi-jun ZHANG; supported by the National Key Research and Development Project of China(No.2022YFC3902001);the National Natural Science Foundation of China(No.52004340);the Guangxi Innovation-driven Development Project,China(Nos.Gui 2021AA12006 and 2021AB26024)。; The turbulent characteristics of the top-blown Laval nozzle and the influence of pressure and Mach number were studied through numerical simulation.With 2.72%error between the results and the empirical formula,the res...; 关键词：top blow jet numerical simulation TURBULENCE flow characteristic Laval nozzle

Learning complex nonlinear physical systems using wavelet neural operators: 《Chinese Physics B》2025年第3期461-472,共12页Yanan Guo Xiaoqun Cao Hongze Leng Junqiang Song; Project supported by the National Natural Science Foundation of China(Grant Nos.42005003 and 41475094)。; Nonlinear science is a fundamental area of physics research that investigates complex dynamical systems which are often characterized by high sensitivity and nonlinear behaviors.Numerical simulations play a pivotal ro...; 关键词：nonlinear science TURBULENCE deep learning wavelet neural operator

Aviation:Earning Their Wings: 《China Weekly》2025年第2期32-35,共4页Li Mingzi; As local governments are set to phase out subsidies for international flights to smaller cities amid stretched budgets and market turbulence,airlines face new challenges in getting new routes off the ground.; 关键词：BUDGET TURBULENCE AVIATION

A Wind Tunnel Experimental Study on the Wake Characteristics of a Horizontal Axis Wind Turbine: 《Journal of Thermal Science》2025年第1期145-158,共14页GUO Xingduo LI Yinran LI Rennian MA Yulong WEI Kui; supported by Incubation Program of Excellent Doctoral Dissertation-Lanzhou University of Technology,Gansu Science and Technology Program(22JR5RA231);Industrial Support Program for Colleges and Universities of Gansu Province(2022CYZC-27);National Natural Science Foundation of China(52466015)。; The characteristics of wind turbine wakes are influenced by multiple factors,including the atmospheric boundary layer(ABL)wind and wind turbine operating conditions(e.g.,tip speed ratio and yaw angle).In this study,tw...; 关键词：horizontal axis wind turbine wind tunnel experiment wind turbine wake TURBULENCE

Optimizing Clear Air Turbulence Forecasts Using the K-Nearest Neighbor Algorithm: 《Journal of Meteorological Research》2024年第6期1064-1077,共14页Aoqi GU Ye WANG; Supported by the Nanjing University of Aeronautics and Astronautics(KFB2305601).; The complexity and unpredictability of clear air turbulence(CAT)pose significant challenges to aviation safety.Accurate prediction of turbulence events is crucial for reducing flight accidents and economic losses.Howe...; 关键词：clear air turbulence K-nearest neighbor(KNN)algorithm the ECMWF fifth-generation reanalysis dataset(ERA5) turbulence prediction

Numerical investigation of turbulent mass transfer processes in turbulent fluidized bed by computational mass transfer: 《Chinese Journal of Chemical Engineering》2024年第12期64-74,共11页Hailun Ren Liang Zeng Wenbin Li Shuyong Chen Zhongli Tang Donghui Zhang; financial support from the National Natural Science Foundation of China(22078230);the National Key Research and Development Program of China(2023YFB4103600);the State Key Laboratory of Heavy Oil Processing(SKLHOP202202008).; Turbulent fluidized bed possesses a distinct advantage over bubbling fluidized bed in high solids contact efficiency and thus exerts great potential in applications to many industrial processes.Simulation for fluidiza...; 关键词：Turbulent fluidized bed Simulation Computational mass transfer TURBULENCE Computational fluid dynamics

Impact of geometric features of impermeable discrete bedform on hyporheic exchange: 《Water Science and Engineering》2024年第4期388-396,共9页Xue-yong Wang Jing-yu Fan; supported by the National Natural Science Foundation of China(Grant No.11472168).; The bedform-driven hyporheic exchange plays a crucial role in mass transport within natural aquatic ecosystems like streams and rivers. This study aimed to unveil the impact of geometric features of impermeable discre...; 关键词：Hyporheic exchange Effective diffusion coefficient Discrete bedform Geometric feature Turbulence penetration Pumping exchange

Effect of Free-Stream Mach Number on the Base Thermal Environment of LaunchVehicle: 《Journal of Thermal Science》2024年第6期2426-2436,共11页WANG Xu XU Xu YU Jiaqi YANG Qingchun; supported by the Outstanding Research Project of Shen Yuan Honors College;Academic Excellence Foundation of BUAA for PhD Students;National Key Laboratory of aerospace liquid propulsion; Convective heating of the rocket base caused by high-temperature reverse flow has long been a focus of thermal protection research.With distinctive structural characteristics,the base thermal environment of a twin-noz...; 关键词：rocket base heating free stream Mach number shock-turbulence interaction twin-nozzle

High accuracy deep learning wavefront sensing under highorder turbulence: 《Astronomical Techniques and Instruments》2024年第6期316-324,共9页Dongming Liu Hui Liu Zhenyu Jin; supported by the National Natural Science Foundation of China(NSFC)(U2031140).; We explore an end-to-end wavefront sensing approach based on deep learning,which aims to deal with the high-order turbulence and the discontinuous aberration caused by optical system obstructions commonly encountered ...; 关键词：Wavefront sensing High-order turbulence High-resolution observation Deep learning

Statistics and dynamics of coherent structures in compressible wall-bounded turbulence: 《Science China(Physics,Mechanics & Astronomy)》2024年第12期32-47,共16页Ming Yu SiWei Dong XianXu Yuan ChunXiao Xu; supported by the National Natural Science Foundation of China (Grant Nos.92052301,and 12202469);the National Key R&D Program of China (Grant No.2019YFA0405200)。; Compressible wall-bounded turbulence is ubiquitously encountered in modern aerospace and mechanical industries.In this review,we summarize the current state of the literature on the flow physics of compressible wall-b...; 关键词：compressible flows turbulent boundary layers coherent structures

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