搜索结果: 1-14 共查到“工程与技术科学基础学科 Flow”相关记录14条 . 查询时间(0.127 秒)
Free Wake Potential Flow Vortex Wind Turbine Modeling: Advances in Parallel Processing and Integration of Ground Effcts
Free Wake Potential Flow Vortex Wind Turbine Modeling Parallel Processing Ground Effects
2014/10/23
Potential flow simulations are a great enginee ring typ e , middle-ground approach to mo deling complex aero dynamic systems, but quickly b ecome computationally unwieldy for large domains. An N-b o d...
CFD Simulation of the Flow around NREL Phase VI Wind Turbine
CFD Simulation NREL Phase VI Wind Turbine
2014/10/23
The simulation of the turbulent and potentially separating flow around a rotating, twisted, and tapered airfoil is a challenging task for CFD simulations. This thesis describes CFD simulations of the ...
Vortex-Induced Vibrations of an Inclined Cylinder in Flow
Vortex-Induced Vibrations Inclined Cylinder Flow
2014/10/23
When a bluff body is placed in flow, vortices are shed downstream of the body. For the case of a bluff body with a circular cross-section (a cylinder) attached to a spring and a damper, when the frequ...
High Speed Flow Simulation in Fuel Injector Nozzles
High Speed Flow Simulation Fuel Injector Nozzles
2014/10/23
Atomization of fuel is essential in controlling combustion inside a direct injection engine. Controlling combustion helps in reducing emissions and boosting efficiency. Cavitation is one of the factor...
Effect of Slip on Flow Past Superhydrophobic Cylinders
Slip on Flow Past Superhydrophobic Cylinders
2014/10/23
Superhydrophobic surfaces are a class of surfaces that have a microscale roughness imposed on an already hydrophobic surface, akin to a lotus leaf. These surfaces have been shown to produce significan...
Viscoelastic Flow through Contraction Geometries
Viscoelastic Flow Contraction Geometries
2014/10/23
Contraction flow of visco elastic fluids has b een a b enchmark problem in nonNewtonian fluid mechanics b ecause it mimics flows o ccurring in a numb er of industrial applications. It is also of consi...
A Computational Simulation of Supercritical Carbon Dioxide and Ethanol Capillary Flow
Computational Simulation Supercritical Carbon Dioxide Ethanol Capillary Flow
2014/10/23
Homogenous and separated flow metho ds have b een presented for use in the capillary tub e section of the Plasma Rapid Expansion of Sup ercritical Solutions (PRESS) pro cess using a carb on dioxide an...
Multidimensional Modeling of Condensing Two-Phase Ejector Flow
Multidimensional Modeling Condensing Two-Phase Ejector Flow
2014/10/23
Condensing ejectors utilize the beneficial thermodynamics of condensation to produce an exiting static pressure that can be in excess of either entering static pressure. The phase change process is dr...
Extensional-flow-induced Crystallization of Polypropylene
Extensional-flow-induced Crystallization Polypropylene
2014/10/23
A filament stretching extensional rheometer with a custom-built oven was used to investigate the effect of uniaxial flow on the crystallization of polypropylene. Prior to stretching, samples were heat...
Numerical Investigation of Gas-Particle Supersonic Flow
Numerical Investigation Gas-Particle Supersonic Flow
2014/10/23
Particles lying in the sub-micron range have widespread applications in the pharmaceutical, ceramic and other related industries. Separation and classification of these particles is a very imp ortant ...
One of the most abundant sources of renewable energy is wind. Today, a considerable amount of resources are being utilized for research on harnessing the wind energy efficiently. Out of all the factor...
Domain Effcts in the Finite / Infiite Time Stability Properties of a Viscous Shear Flow Discontinuity
Domain Effects in the Finite In Finite Time Stability Properties Viscous Shear Flow Discontinuity
2014/10/23
Whether it is designing and controlling super-efficient high speed transport systems or understanding environmental fluid flows, a key question that arises is: what state does the fluid flow take and ...
通过数值计算分析了叶轮偏心情况下前侧盖板泄漏流流体的稳态特性。基于一种bulk-flow模型建立了由3个非线性偏微分方程组成的流体控制方程。运用有限差分方法和交错网格得到离散化的控制方程，利用SIMPLE算法来完成对离散化控制方程的求解。根据计算结果给出了给定条件下叶轮前侧盖板泄漏流流体的稳态压力分布和速度分布，并分析了叶轮前侧盖板与蜗壳间间隙和叶轮偏心率对叶轮前侧盖板泄漏流流体的稳态压力分布和速...
A discrete firefly meta-heuristic with local search for makespan minimization in permutation flow shop scheduling problems
Meta-heuristic Firefly meta-heuristic Ant colony Permutation flow shop
2010/9/14
During the past two decades, there have been increasing interests on permutation flow shop with different types of objective functions such as minimizing the makespan, the weighted mean flow-time etc....