Sylvain Marragou,Thibault Frédéric Guiberti,Thierry Poinsot et al.
Sylvain Marragou et al.
Improving mixing between two coaxial swirled jets is a subject of interest for the development of next generations of fuel injectors. This is particularly crucial for hydrogen injectors, where the separate introduction of fuel and oxidizer ...
Spatiotemporal Surface Temperature Measurements Resolving Flame-Wall Interactions of Lean H2-Air and CH4-Air Flames Using Phosphor Thermometry [0.03%]
采用磷光测温法解析贫燃H2-空气和CH4-空气火焰的火焰-壁面相互作用的时空表面温度测量
Anthony O Ojo,Abhijit Padhiary,Brian Peterson
Anthony O Ojo
Spatiotemporal wall temperature (Twall) distributions resulting from flame-wall interactions of lean H2-air and CH4-air flames are measured using phosphor thermometry. Such measurements are important to understand transient heat transfer an...
Numerical Study of Ignition and Combustion of Hydrogen-Enriched Methane in a Sequential Combustor [0.03%]
富氢甲烷点火及燃烧的数值研究
Matteo Impagnatiello,Quentin Malé,Nicolas Noiray
Matteo Impagnatiello
Ignition and combustion behavior in the second stage of a sequential combustor are investigated numerically at atmospheric pressure for pure CH4 fueling and for two CH4-H2 fuel blends in 24:1 and 49:1 mass ratios , respectively, using Large...
Dzmitry Misiulia,Göran Lidén,Sergiy Antonyuk
Dzmitry Misiulia
Three secondary flows, namely the inward radial flow along the cyclone lid, the downward axial flow along the external surface of the vortex finder, and the radial inward flow below the vortex finder (lip flow) have been studied at a wide r...
CFD Simulation of Particle-Laden Flow in a 3D Differentially Heated Cavity Using Coarse Large Eddy Simulation [0.03%]
使用粗粒化大涡模拟对三维非均匀加热腔内含颗流进行计算流体力学模拟
M A Sayed,A Dehbi,M Hadžiabić et al.
M A Sayed et al.
Particulate flow in closed space is involved in many engineering applications. In this paper, the prediction of particle removal is investigated in a thermally driven 3D cavity at turbulent Rayleigh number Ra = 109 using Coarse Large Eddy S...
Direct Numerical Simulation and Theory of a Wall-Bounded Flow with Zero Skin Friction [0.03%]
无壁面摩擦的壁湍流的直接数值模拟和理论研究
G N Coleman,S Pirozzoli,M Quadrio et al.
G N Coleman et al.
We study turbulent plane Couette-Poiseuille (CP) flows in which the conditions (relative wall velocity ΔU w ≡ 2U w , pressure gradient dP/dx and viscosity ν) are adjusted to produce zero mean skin friction on one of the walls, denoted by...
Targeted Drug Delivery to Upper Airways Using a Pulsed Aerosol Bolus and Inhaled Volume Tracking Method [0.03%]
一种使用脉冲气溶胶药剂和吸入体积追踪法对上呼吸道进行靶向药物输送的方法
Yan Ostrovski,Simon Dorfman,Maksim Mezhericher et al.
Yan Ostrovski et al.
The pulmonary route presents an attractive delivery pathway for topical treatment of lung diseases. While significant progress has been achieved in understanding the physical underpinnings of aerosol deposition in the lungs, our ability to ...
The Effect of Splitting Timing on Mixing in a Jet with Double Injections: A Large-Eddy Simulation Study [0.03%]
双注射射流中分注时刻对混合作用影响的直接数值模拟研究
Ahmad Hadadpour,Mehdi Jangi,Xue Song Bai
Ahmad Hadadpour
We present large-eddy simulation (LES) of a high-pressure gas jet that is injecting into a quiescent inert environment. The injection is through a nozzle with a diameter of 1.35 mm. Four injection strategies are considered in which the resu...
A Thickened Stochastic Fields Approach for Turbulent Combustion Simulation [0.03%]
增强型随机场在湍流燃烧模拟中的应用
M A Picciani,E S Richardson,S Navarro-Martinez
M A Picciani
The Stochastic Fields approach is an effective way to implement transported Probability Density Function modelling into Large Eddy Simulation of turbulent combustion. In premixed turbulent combustion however, thin flame-like structures aris...
Resolution Requirements in Stochastic Field Simulation of Turbulent Premixed Flames [0.03%]
湍流预混火焰随机场模拟的分辨率要求
M A Picciani,E S Richardson,S Navarro-Martinez
M A Picciani
The spatial resolution requirements of the Stochastic Fields probability density function approach are investigated in the context of turbulent premixed combustion simulation. The Stochastic Fields approach is an attractive way to implement...