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国家自然科学基金(50606026): 作品数：17被引量：42H指数：4; 导出分析报告; 相关作者：周力行胡瓅元刘阳徐采松罗永浩更多>>; 相关机构：清华大学上海交通大学大连海事大学北京航空航天大学更多>>; 相关期刊：《Chinese Journal of Chemical Engineering》《中国科学：技术科学》《Science China(Physics,Mechanics & Astronomy)》《清华大学学报（自然科学版）》更多>>; 相关主题：大涡模拟TWO-PHASETURBULENCE气固流动数值模拟更多>>; 相关领域：动力工程及工程热物理理学化学工程冶金工程更多>>

离散型两相流动的大涡模拟被引量：1: 《中国科学：技术科学》2014年第2期162-171,共10页周力行; 国家自然科学基金(批准号:50606026;50736006和51266008)资助项目; 大涡模拟(Large-eddy simulation,LES)的研究正在取得迅速进展.和雷诺平均模拟(Reynolds-averaged Navier-Stokes modeling,RANS modeling)相比,LES可以给出流动和火焰的瞬态结构,并且在不少情况下可以给出比雷诺平均模拟更准确的统计...; 关键词：大涡模拟气泡-液体两相流动气体-颗粒两相流动

Advances in LES of Two-phase Combustion(Ⅱ) LES of Complex Gas-Particle Flows and Coal Combustion被引量：1: 《Chinese Journal of Chemical Engineering》2012年第4期609-616,共8页周力行胡瓅元; Supported by the National Natural Science Foundation of China (50606026,50736006);the Foundation of State Key Laboratory of Engines,Tianjin University (K-2010-07); Large-eddy simulation(LES) is under its rapid development and is recognized as a possible second generation of CFD methods used in engineering.Large-eddy simulation of two-phase flows and combustion is particularly im...; 关键词：large-eddy simulation complex gas-particle flows coal combustion

Advances in Large-eddy Simulation of Two-phase Combustion (I) LES of Spray Combustion被引量：2: 《Chinese Journal of Chemical Engineering》2012年第2期205-211,共7页周力行李科王方; Supported by the National Natural Science Foundation of China (50606026, 50736006);the Foundation of State Key Laboratory of Engines, Tianjin University (K-2010-07); Spray combustion is widely used in power, transportation, chemical and metallurgical, iron and steel making, aeronautical and astronautical engineering. In recent years, large-eddy simulation (LES) becomes more and mo...; 关键词：spray combustion large-eddy simulation sub-gnd scale model

稠密气固流动二阶矩摩擦应力模型和模拟: 《工程热物理学报》2012年第1期163-166,共4页刘阳刘学刘朋蒋福伟周力行; 国家自然科学基金资助(No.50606026);中央高校基本科研业务费专项资金资助(No.2009QN019); 基于统一二阶矩两相湍流应力模型和稠密颗粒动力学理论,建立了欧拉-欧拉双流体二阶矩颗粒摩擦应力模型。模型充分反映各向异性的气固两相相间雷诺应力相互作用,并引入有效颗粒弹性恢复系数,考虑了因颗粒表面不光滑产生的摩擦力对湍流流...; 关键词：二阶矩颗粒摩擦应力模型稠密气固流动下降管数值模拟

Measurement and simulation of the two-phase velocity correlation in sudden-expansion gas-particle flows被引量：3: 《Acta Mechanica Sinica》2011年第4期494-501,共8页Li-Xing Zhou.Yang Liu.Yi Xu Department of Engineering Mechanics,Tsinghua University,100084 Beijing,China Marine Engineering College,Dalian Maritime University,116026 Dalian,China; supported by the National Natural Science Foundation of China (50606026 and 50736006); In this paper the present authors measured the gas-particle two-phase velocity correlation in sudden expansion gas-particle flows with a phase Doppler particle anemometer （PDPA） and simulated the system behavior by ...; 关键词：PDPA measurement - Simulation Two-phasevelocity correlation Sudden expansion gas-particle flows

Second-order moment modeling of dispersed two-phase turbulence-Part 2-USM-Θ two-phase turbulence model and USM-SGS two-phase stress model被引量：2: 《Science China(Physics,Mechanics & Astronomy)》2011年第7期1296-1303,共8页ZHOU LiXing; supported by the National Key Project of Fundamental Research of China (Grant No. G1999-0222-07-08);the Projects of the National Natural Science Foundation of China (Grant Nos. 50736006 and 50606026);the Foundation of the State Key Laboratory of Engines, Tianjin University (Grant No. K-2010-07); Dense gas-particle flows are frequently encountered in fluidized beds,riser and downer reactors,pneumatic transport and the near-wall zone of dilute gas-particle flows.Particle-particle collision plays an important ro...; 关键词：densed gas-particle flows second-order moment model two-phase turbulence large-eddy simulation

Second-order moment modeling of dispersed two-phase turbulence——Part 1:USM,k-ε-k_p,and non-linear k-ε-k_p two-phase turbulence models被引量：4: 《Science China(Physics,Mechanics & Astronomy)》2011年第6期1098-1107,共10页ZHOU LiXing; supported by the National Key Project of Fundamental Research of China (Grant No.G1999-0222-07-08);the National Natural Science Foundation of China (Grant Nos.50736006 and 50606026);the Foundation of State Key Laboratory of Engines,Tianjin University (Grant No.K2010-07); Turbulent dispersed multiphase flows,including gas-particle,gas-droplet and bubble-liquid flows,are widely encountered in various engineering facilities.Modeling of two-phase turbulence,in particular the dispersed pha...; 关键词：dispersed multiphase flows second-order moment model two-phase turbulence

外二次旋流风对旋流煤粉燃烧及NO生成的影响被引量：6: 《化工学报》2010年第9期2437-2441,共5页胡瓅元罗永浩周力行徐采松; 国家自然科学基金项目(50606026)~~; 对旋流煤粉火焰在两种分级进风的情况下用PIV(particle i mage veloci metry)测量了燃烧室内的速度分布,研究了湍流拟序结构对旋流火焰的燃烧特性及NO排放的影响。燃烧室进口附近,当外二次风率较大时,其拟序结构沿横向的扩散较早,大量...; 关键词：PIV测量拟序结构煤粉燃烧 NO生成

旋流燃烧室内分级进风对燃烧污染物生成的影响被引量：5: 《动力工程》2009年第5期445-450,共6页徐采松胡瓅元罗永浩; 国家自然科学基金资助项目(50606026); 建立了采用分级进风方式的旋流燃烧室试验装置.在此试验装置上分别对天然气和煤粉进行了湍流旋流燃烧的试验研究.在保持过量空气系数和旋流数不变的条件下,采用不同分级进风比率时测量了燃烧室内烟气的时均温度场、O2、CO和NO浓度场的分...; 关键词：旋流燃烧室湍流旋流燃烧分级进风 NO生成天然气燃烧煤粉燃烧

轴对称突扩稀疏气固流动的双流体大涡模拟被引量：1: 《中国机械工程》2009年第17期2112-2115,共4页刘阳李国辉; 国家自然科学基金资助项目(50606026); 采用基于气体Smagorinsky亚网格应力模型和颗粒动力论模型的双流体大涡模拟(twofluid-large eddy simulation,TWF-LES)对轴对称突扩稀疏气固流动进行了数值模拟。瞬态模拟结果给出了各向异性两相湍流结构和颗粒弥散的发展过程。TWF-LES...; 关键词：突扩稀疏气固流动大涡模拟数值模拟

国家自然科学基金(50606026)