Application of high-speed, species-specific chemiluminescence imaging for laminar flame speed and Markstein length measurements in spherically expanding flames
A high-speed chemiluminescence imaging diagnostic system has been developed and
characterized for measuring species-specific properties of spherically expanding flames …
characterized for measuring species-specific properties of spherically expanding flames …
Experimental Observation of Negative Temperature Dependence in iso-Octane Burning Velocities
The average burning velocities S¯ b of premixed, spherically expanding iso-octane flames
are reported for flame radii from 0.75 to 1.75 cm between 400 and 900 K, near 1 atm …
are reported for flame radii from 0.75 to 1.75 cm between 400 and 900 K, near 1 atm …
Resolving flame thickness using high-speed chemiluminescence imaging of OH* and CH* in spherically expanding methane–air flames
The coupling of CFD simulations with detailed chemical kinetics presents great progress in
predicting the complex behavior of reacting flows, but also requires validated input …
predicting the complex behavior of reacting flows, but also requires validated input …
[PDF][PDF] 紫外像增强器在航空发动机燃烧诊断中的应用
马俊卉, 王岭雪, 胡婧玲, 郑德智, 闻浩诚, 王兵, 蔡毅 - 红外技术, 2024 - researching.cn
航空发动机燃烧过程中, OH*, NO*, NH* 等激发态自由基伴随着紫外波段的微弱自发光,
且随燃烧的进程而快速变化. 紫外像增强器最高具有百万倍电子增益, 纳秒量级快门 …
且随燃烧的进程而快速变化. 紫外像增强器最高具有百万倍电子增益, 纳秒量级快门 …
An experimental investigation on MMH/NTO impinging jets flame characteristics at high chamber pressure
L Fei, F Zhang, C Tang, T Xu, A Yang, B Yang… - Proceedings of the …, 2024 - Elsevier
Monomethyl hydrazine (MMH) and nitrogen tetroxide (NTO) propellant is the most prevalent
combination in hypergolic liquid rocket engines for space propulsion scenarios. However …
combination in hypergolic liquid rocket engines for space propulsion scenarios. However …
Application of Ultraviolet Image Intensifiers in Combustion Diagnostics of Aero-engines
MA Junhui, W Lingxue, HU Jingling, Z Dezhi… - Infrared …, 2024 - hwjs.nvir.cn
In the combustion process of aero-engines, excited-state free radicals such as OH*, NO*,
and NH* emit faint self-chemiluminescence in the ultraviolet (UV) band, which changes …
and NH* emit faint self-chemiluminescence in the ultraviolet (UV) band, which changes …
Femtosecond Two-Photon Laser-Induced Fluorescence for Temperature and Chemical Species Imaging in Flames
P Parajuli - 2023 - search.proquest.com
In recent years, non-intrusive, laser-based combustion diagnostic techniques utilizing
ultrashort-pulse, femtosecond (fs) duration laser sources have evolved as promising tools for …
ultrashort-pulse, femtosecond (fs) duration laser sources have evolved as promising tools for …
Laminar Flame Speeds of Oxy-Methane Flames With CO2 Dilution at Elevated Pressures
MA Turner, WD Kulatilaka… - … Expo: Power for …, 2020 - asmedigitalcollection.asme.org
Spherically expanding, laminar flame experiments have been conducted for oxy-methane
mixtures diluted in CO2. Test conditions consisted of pressures of 5 atm and 10 atm, an …
mixtures diluted in CO2. Test conditions consisted of pressures of 5 atm and 10 atm, an …
Progress toward flame thickness measurements from chemiluminescence of spherical flames
Modeling of turbulent flame behavior relies on fundamental understanding of laminar flame
characteristics, such as laminar flame speed and thickness. The thickness of a laminar flame …
characteristics, such as laminar flame speed and thickness. The thickness of a laminar flame …
Ultrashort-Laser-Pulse Multi-Photon Excitation Schemes for Combustion Diagnostics
A Jain - 2020 - search.proquest.com
Laser-based diagnostic approaches using ultra-short femtosecond (fs) laser pulses is a
promising method for investigating complex chemically reacting flow fields such as flames …
promising method for investigating complex chemically reacting flow fields such as flames …