实验流体力学
實驗流體力學
실험류체역학
JOURNAL OF EXPERIMENTS IN FLUID MECHANICS
2014年
1期
12-20
,共9页
蔡小舒%周骛%杨荟楠%杨斌%陈军%苏明旭%李俊峰
蔡小舒%週騖%楊薈楠%楊斌%陳軍%囌明旭%李俊峰
채소서%주무%양회남%양빈%진군%소명욱%리준봉
在线诊断%流场%燃烧%测量%温度
在線診斷%流場%燃燒%測量%溫度
재선진단%류장%연소%측량%온도
in-line diagnostics%flow field%combustion%measurement%temperature
介绍了上海理工大学颗粒与两相流测量研究所近年来在燃烧和流场在线测量诊断技术方面的研究进展,包括:改进基于光纤光谱仪的火焰辐射温度测量技术,提高火焰温度的测量精度与范围并反演出火焰辐射率及液体燃料组分;辐射与吸收光谱相结合测量脉冲燃烧火焰温度和水蒸气浓度;基于激光诱导荧光法测量喷雾液滴温度;强烟尘水滴干扰条件下基于差分吸收光谱法(DOAS)测量排放污染气体(SO2和 NOx )浓度;基于饱和蒸汽原理的光谱法研制汞连续排放监测标准系统;光谱法与图像法结合测量高温物体温度场;基于单帧单曝光图像法测量多相流速度场与粒度分布;基于可调谐半导体激光吸收光谱法(TDLAS)同步测量液态纯水水膜蒸发过程中液态参数(水膜厚度及温度)与气态参数(水膜上方水蒸气的温度)等。
介紹瞭上海理工大學顆粒與兩相流測量研究所近年來在燃燒和流場在線測量診斷技術方麵的研究進展,包括:改進基于光纖光譜儀的火燄輻射溫度測量技術,提高火燄溫度的測量精度與範圍併反縯齣火燄輻射率及液體燃料組分;輻射與吸收光譜相結閤測量脈遲燃燒火燄溫度和水蒸氣濃度;基于激光誘導熒光法測量噴霧液滴溫度;彊煙塵水滴榦擾條件下基于差分吸收光譜法(DOAS)測量排放汙染氣體(SO2和 NOx )濃度;基于飽和蒸汽原理的光譜法研製汞連續排放鑑測標準繫統;光譜法與圖像法結閤測量高溫物體溫度場;基于單幀單曝光圖像法測量多相流速度場與粒度分佈;基于可調諧半導體激光吸收光譜法(TDLAS)同步測量液態純水水膜蒸髮過程中液態參數(水膜厚度及溫度)與氣態參數(水膜上方水蒸氣的溫度)等。
개소료상해리공대학과립여량상류측량연구소근년래재연소화류장재선측량진단기술방면적연구진전,포괄:개진기우광섬광보의적화염복사온도측량기술,제고화염온도적측량정도여범위병반연출화염복사솔급액체연료조분;복사여흡수광보상결합측량맥충연소화염온도화수증기농도;기우격광유도형광법측량분무액적온도;강연진수적간우조건하기우차분흡수광보법(DOAS)측량배방오염기체(SO2화 NOx )농도;기우포화증기원리적광보법연제홍련속배방감측표준계통;광보법여도상법결합측량고온물체온도장;기우단정단폭광도상법측량다상류속도장여립도분포;기우가조해반도체격광흡수광보법(TDLAS)동보측량액태순수수막증발과정중액태삼수(수막후도급온도)여기태삼수(수막상방수증기적온도)등。
In this paper,the research advances in the in-line measurement techniques for com-bustion and flow field at Institute of Particle and Two-Phase Flow Measurement,University of Shanghai for Science and Technology have been presented.The flame radiation temperature measurement technique with fiber-based spectrometer has been improved,the flame temperature measurement accuracy and range were increased.Moreover,the flame emissivity and fuel compo-sition can be obtained.Temperature and water vapor concentration for detonation flame were de-termined by combining radiation and absorption spectroscopy methods.The spray droplet tem-perature was measured based on laser-induced fluorescence.Concentration of polluting gas emis-sions(SO2 and NOx)were obtained by differential optical absorption spectroscopy (DOAS)meth-od interfered by high density of dust and water droplets.Hg continuous monitoring system with spectroscopic method based on saturated vapor theory was developed.The temperature field of high-temperature object was measured with combination of spectroscopy and imaging methods. The velocity vector field and granularity distribution of multiphase flow were studied with single-frame and single-exposure imaging method.The liquid-phase parameter (film thickness and tem-perature)and vapor-phase parameter (water vapor temperature above the liquid film)during the liquid film evaporation process were simultaneously measured by tunable diode laser absorption spectroscopy (TDLAS).