Experimental research is made on compound heat transfer enhancement by combination of inlet axial vane swirlers with left spirally corrugated tube,right spirally corrugated tube and symmetrical cross spirally corrugated tube,respectively.
对进口轴向叶片旋流器与左旋螺旋槽管、右旋螺旋槽管以及对称交叉螺旋槽管组成的管内复合强化传热进行了试验研究,给出了管内阻力和传热试验结果,得到了考虑复合攻角(旋向)因素在内的管内阻力和传热准则关联式,并对传热和流阻的综合热力性能进行了定量评价。
In this paper,the experimental research is made on the heat transfer enhancement by the inlet axial vane swirler in a smooth tube,and the experimental data of the friction and heat transfer are presented.
对进口轴向叶片旋流器强化管内换热进行了试验研究,提供了传热和阻力的试验数据,分析了旋流器结构参数、管内Re数、试验段长径比对传热和阻力的影响,得到了传热和阻力准则关联式,并对旋流器强化管内换热的热力性能进行了定量评价。
An experimental study is conducted of the in tube friction and heat exchange characteristics of an inlet axial vane swirler.
对进口轴向叶片旋流器管内阻力和换热特性进行了试验研究,分析了管内Re数、试验段长径比以及旋流器结构参数对管内阻力和换热的影响,得到了管内阻力和传热准则关联式,并对旋流器强化管内换热的热力性能进行了定量分析。
By way of seeking numerical solutions to a three-dimensional RANS(Reynolds-Averaged-Navier-Stokes) equation,studied were the kinetic characteristics of a 16-tooth labyrinth gland rotor and analyzed was the influence of the inlet pre-swirling on the kinetic characteristic coefficient of the rotor in question at two rotating speeds.
采用数值求解三维Reynolds-Averaged Navier-Stokes(RANS)方程,研究了具有16个齿的迷宫密封转子动力学特性,分析了在两种转速条件下进口预旋对迷宫密封转子动力特性系数的影响,计算了无进口预旋时,在两种压比条件下,迷宫密封系统的交叉刚度和直接阻尼系数随转速的变化关系,并将计算结果与实验值和两控制容积BF(Bulk Flow)方法计算值进行了比较。
Experimental study on heat transfer of precessing jets impinging on flat plate;
旋进射流冲击平板的传热实验研究
The flow field of a self-excited precessing jet was numerically simulated and its influence to a heating plate was obtained using Large-Eddy Simulation(LES)model.
本文使用大涡模拟模型对自激励旋进射流的内部流场和冲击平板换热的温度场进行数值模拟,得到了不同进口Re数和不同膨胀比情况下的旋进射流的内部流场和冲击平板的温度场,并在此基础上分析了不同进口Re数和不同膨胀比对换热Nu数的影响。
Experimental study and numerical simulation were used to investigate the flow characteristics of a self-excited precessing jet,which was generated based on the principle of Coanda effect.
采用实验与数值模拟相结合的方法研究了基于流体柯恩达效应而形成的自激励旋进射流的流动特性。
Convective heat transfer characteristics of impingement cooling for a self-excited precessing jet
自激励旋进射流冲击冷却的对流换热特性
Flow Characteristics of Self-excited Precessing Jet Based on the Coanda Effect
基于柯恩达效应的自激旋进射流流动特性研究
A Study on Effect of Electronic Radiation and Activators on Growth of Spirulina Platensis;
电子流辐射和生长促进剂对钝顶螺旋藻生长影响的初步研究
Experimental study on the swirling characteristics of a swirling water jet nozzle by using PIV
旋转射流喷嘴内旋流特性的PIV实验分析
Swirl number calculation in the inlet of spinning ramjet assisted range projectile
旋转冲压增程弹进气道内流场旋流数计算
Simulation of Swirling Abrasive Jet Based on Software Fluent
基于Fluent的旋转磨料射流数值模拟
Experimental Study on Rock Breaking Parameters of Combined Swirling and Round Jet
直旋混合射流破岩钻孔参数试验研究
Fluid flow pattern in rotor cavity of roto-jet pumps
旋转喷射泵转子腔内液体的流动规律
Experimental and Numerical Investigations on the Vortical Structures of an Impinging Jet in Crossflow;
横流冲击射流涡旋结构的实验和数值研究
Numerical Simulation on Flow Field of Rotory Jet Mixing System and Nozzle Structure Optimization;
旋转射流搅拌全流场数值模拟及喷嘴结构优化
Study on Aerating Performance of Swirl Jet Separate Aerator
旋流—射流分选充气器充气性能的试验研究
An Experimental Study on Aerating Performance of Swirl-Jet Separation Aerator
旋流-射流分选充气器充气性能的试验研究
Experimental Investigation on Atomization of Liquid Jet by Swirling Coaxial Gas
同轴旋拧气流中液体射流雾化特性的实验研究
Effect of Central Jet on Thermoacoustic Oscillation of Swirl Combustor
中心射流对旋流燃烧器热声振动的影响
Theoretical Discussion and Structural Optimization of Swirlmeter;
旋进旋涡流量计的原理探讨和结构优化
A Numerical Study on the Structure Characteristics of a Swirlmeter
旋进旋涡流量计结构特性数值模拟研究
Flow and Heat Transfer Characteristics in the Confined Passage with Impingement Cooling and Swirl Cooling;
通道内有射流、出流和旋流共同作用时的流动和换热特性研究
Investigation of Flow Characteristics in Trapezoid Channel with Jet/ Swirl/ Film Flows;
有射流冲击、旋流和气膜出流的梯形通道内流动特性的研究
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