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Investigation on a new method of adaptive drag reduction and nonablation thermal protection system for hypersonic vehicles
hypersonic drag reduction heat flux jet aerospike numerical simulation
2013/9/2
A new adaptive drag reduction and nonablation thermal protection method named Telescopic Selfaligning JetSpike (TSAJS) is proposed to improve the conventional spiked method employed in hypersonic v...
Dispersion stability and thermal conductivity of propylene glycol-based nanofluids
Nanofluids Propylene glycol Alumina nanoparticles Titania nanoparticles Thermal conductivity Dispersion stability
2012/5/29
The dispersion stability and thermal conductivity of propylene glycol based nanofluids containing Al2O3 and TiO2 nanoparticles were studied in the temperature range of 20 to 80 {\deg}C. Nanofluids wit...
Computational Analysis of Factors Influencing Enhancement of Thermal Conductivity of Nanofluids
thermal conductivity nanofluids aggregation fractal dimensions Titania Alumina
2012/5/29
Numerical investigations are conducted to study the effect of factors such as particle clustering and interfacial layer thickness on thermal conductivity of nanofluids. Based on this, parameters inclu...
Scaling laws prediction from a solvable model of turbulent thermal convection
Turbulent flows, convection and heat transfer Turbulence simulation and modeling
2011/8/31
A solvable turbulent model is used to predict both the structure of the boundary layer and the scaling laws in thermal convection. The transport of heat depends on the interplay between the thermal, v...
Scaling in large Prandtl number turbulent thermal convection
Turbulent fiows convection and heat transfer Turbulence simulation and modeling
2011/9/13
We study the scaling properties of heat transfer Nu in turbulent thermal convection at large Prandtl number Pr using a quasi-linear theory. We show that two regimes arise, depending on the Reynolds nu...
THERMAL AND HYDRODYNAMIC CHARACTERISTICS OF FORCED AND MIXED CONVECTION FLOW THROUGH VERTICAL RECTANGULAR CHANNELS
mixed convection rectangular channels turbulent flow
2009/10/14
This paper presents experimental and numerical studies for the case of turbulent forced and mixed convection flow of water through narrow vertical rectangular channel. The channel is composed of two p...
期刊信息
篇名
Coupled Termal/mechanical analysis for the fracture of functionally graded materials under transient thermal loading
语种
英文
撰写或编译
作者
X.H. Zhang (张幸红)
第一作者单位
刊物名称
Acta Mechanics Solids Sinica
页面...
Thermal wall influence on the behavior of axisymmetric laminar compressible flow in nozzle
compressible Mac-Cormack scheme nozzle numerical study viscous flow wall
2010/3/11
The present work concerns a numerical study of an axisymmetric laminar flow of a compressible gas in a small size convergent-divergent nozzle. The geometry and the reservoir conditions are such that t...
Application of generalized FDM for numerical solution of non linear thermal diffusion problems
generalized finite difference method non-linear thermal diffusion
2010/3/12
A generalized variant of the finite difference method [2, 3, 4] is used for numerical modelling of non-steady and non-linear thermal diffusion problems. In order to simplify the considerations the 1D ...
Nonlinear hydromagnetic flow, heat and mass transfer over an accelerating vertical surface with internal heat generation and thermal stratification
heat and mass transfer hydromagneti flcow laminar boundary layer similarity transformation
2010/3/11
The study of heat and mass transfer on nonlinear hydromagnetic °ow is of great practical importance to engineers because of its almost universal occurrence in many branches of science and engineering ...