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CONVECTION: 作品数：676被引量：937H指数：12; 导出分析报告; 相关领域：理学天文地球更多>>; 相关作者：丁丽娟邹春静周玉梅韩士杰张军辉更多>>; 相关机构：清华大学西北工业大学哈尔滨工业大学香港中文大学更多>>; 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河北省自然科学基金国家教育部博士点基金更多>>

Heat transfer and flow structure in centrally-confined 2-D Rayleigh-Bénard convection: 《Journal of Hydrodynamics》2024年第4期772-780,共9页Cong Sun Jian-zhao Wu Xiao-hui Meng Cai-xi Liu Wei Xu Yu-hong Dong Quan Zhou; Project supported by the Natural Science Foundation of China(Grant Nos.11988102,92052201,11825204,12102246 and 12372220).; Through direct numerical simulations,we investigated the flow structure and heat transfer of the centrally confined 2-D Rayleigh-Bénard(RB)convection over the Rayleigh number range 9×10^(5)≤Ra≤10^(9) at a fixed Pr...; 关键词：Rayleigh-Benard(RB)turbulence heat transport vertical channel ultimate regime

Scaling of maximum probability density function of velocity increments in turbulent Rayleigh-Bénard convection被引量：1: 《Journal of Hydrodynamics》2014年第3期351-362,共12页邱翔黄永祥周全孙超; supported by the Natural Science Foundation of China(Grant Nos.11102114,11202122 and 11222222);the Innovation Program of Shanghai Municipal Education Commission(Grant No.13YZ008,13YZ124);the Shanghai Shuguang Project(Grant No.13SG40);the Program for New Century Excellent Talents in University(Grant No.NCET-13-0); In this paper, we apply a scaling analysis of the maximum of the probability density function（pdf） of velocity increments, i.e., max（） = max（）up p u, for a velocity field of turbulent Rayleigh-Bénard convection...; 关键词：Rayleigh-Bénard convection SCALING probability density function（pdf）

THE NATURAL CONVECTION OF AQUIFERS WITH CONSTANT HEAT SOURCES AND ITS INFLUENCE ON TEMPERATURE FIELDS被引量：1: 《Journal of Hydrodynamics》2012年第4期617-627,共11页LIU Guo-qing ZHOU Zhi-fang; the National Natural Science Foundation of China (Grant Nos. 51079043, 41102144);the Program for Non-profit Industry Financial Program of Ministry of Water Resources (Grant Nos. 200901064, 201001020);2011 of Provincial Young Talents Fund in Anhui Province (Grant No. 2011sQRL171); By combining sand tank tests with numerical simulations, this paper studies the temperature fields around constant heat sources to reveal the mechanism of the natural convection and its influence on the temperature fi...; 关键词：porous media natural convection water-thermal coupling sand tank test numerical simulation

A PERIODICALLY LOCALIZED TRAVELING WAVE STATE OF BINARY FLUID CONVECTION WITH HORIZONTAL FLOWS被引量：37: 《Journal of Hydrodynamics》2006年第2期199-205,共7页NING Li-zhong QI Xin HARADA Yoshifumi YAHATA Hideo; Project supported by SRF for ROCS, SEM(Grant No:220542), the Specific Fund of Higher Educational Doctoral Programme of Xi’an University of Technology (Grant No:220327) and the Key Project of Shaanxi Education Committee(Grant No:05JK271).; In this paper, the convection structure in a rectangular channel with a horizontal flow was studied for the aspect ratio ГA=12 and the separation ratio ψ=-0.11. Our simulations were preformed by solving the hydrodyn...; 关键词：CONVECTION horizontal flow periodicity localized traveling wave state

RELATION BETWEEN COHERENT STRUCTURE AND SCALING LAW IN RAYLEIGH-BENARD CONVECTION BASED ON WAVELET TRANSFORMATION: 《Journal of Hydrodynamics》2004年第4期436-441,共6页FUQiang JIANGMin XIAKe-qing; ThisWorkwassupportedbytheResearchGrantsCounciloftheHongKongSpecialAdministrativeRegion (GrantNo :CUHK319/ 96p); In this paper, the Extended Self Similarity (ESS) was used to study thescaling exponent ξ(q) of temperature data in the Reyleigh-Benard convection and its variation withexperimental measuring locations. The results s...; 关键词：scaling law coherent structure wavelet transformation rayleigh-benardconvection

SUPPLEMENT AND IMPROVEMENT OF HOLLY-PREISSMANN SCHEME: 《Journal of Hydrodynamics》2004年第4期468-473,共6页XIEZuo-tao ZHANGXiao-feng TANGuang-ming; ThisworkwassupportedbyNational 973Program (GrantNo :2 0 0 3CB4 15 2 0 3)andANFASProjectofNOSTandWorldBank .; Using the undetermined coefficient method, Holly-Preissmann scheme isimproved effectively. The scheme with the minus velocity is added, and a new conservative scheme isalso presented on the basis of original scheme. T...; 关键词：holly-preissmann scheme conservative convection equation numerical scheme undetermined coefficient method

THE SPATIO-TEMPORAL STRUCTURE OF BINARY FLUID CONVECTION WITH HORIZONTAL FLOW被引量：30: 《Journal of Hydrodynamics》2004年第2期151-157,共7页NINGLi-zhong YOSHIFUMIHarada HIDEOYahata LIJian-zhong; The convection structure in a rectangular channel with a horizontal flow forΓ = 12 was studied. The simulations were preformed by solving the hydrodynamic equations using theSIMPLE method. The convective behavior in ...; 关键词：CONVECTION horizontal flow localized traveling wave absolute instability convective instability

A NEW HIGH ORDER SCHEME FOR CONVECTION EQUATION AND ITS APPLICATION被引量：10: 《Journal of Hydrodynamics》2002年第1期81-86,共6页Zhang Xiao-feng (Department of River Engineering, Wuhan University, Wuhan 430072, China) Zhang Hong-wu (Department of Hydraulic Engineering, Tsinghua University, Beijing 100084, China) Tamotsu Takahashi, Hajime Nakagawa (Disaster Prevention Research; With the undetermined coefficient method, a new high order scheme for convection equation named as HAUC was worke d out. The accuracy of the new scheme was analyzed by comparing the computed res ults with the exact s...; 关键词：higher order scheme undetermined co efficient method dam break flow undular bore moving hydraulic jump

TRANSITION OF CONVECTIVE PATTERNS IN A RECTANGULAR CELL被引量：20: 《Journal of Hydrodynamics》2001年第4期65-71,共7页Ning Li-zhong Institute of Hydraulic Engineering, Xi’an University of Technology, Xi’an 710048, China Department of Engineering, Nitto Co. Ltd., Ikebukuro 2-77-5, Toushima-ku, Tokyo 171-0014, Japan Yoshifumi Harada Department of Applied Physics, Fac; In this paper our interest is focussed on the behavior in the transition of the Traveling Wave (TW) convective patterns along the nonlinear branch in a rectangular cell of Γ=12 for ψ=-0.11. Our numerical simulations...; 关键词：CONVECTION binary mixture undulation traveling wave HYSTERESIS

NUMERICAL SIMULATION OF TRAVELING WAVE CONVECTION IN A WEAKLY NONLINEAR REGIME被引量：11: 《Journal of Hydrodynamics》2000年第2期20-30,共11页Ning, Lizhong Yashifumi, Harada Hideo, Yahata; The simulation results on a blinking traveling wave (BTW) state with binary fluid convection in a rectangular cell was presented. The numerical simulations were made by using the two-dimensional perturbation equations...; 关键词：Computer simulation DYNAMICS Nonlinear equations Surface waves

CONVECTION