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首页> 外文期刊>Experimental Thermal and Fluid Science: International Journal of Experimental Heat Transfer, Thermodynamics, and Fluid Mechanics >Simultaneous measurement of the adiabatic flame velocity and overall activation energy using a flat flame burner and a flame asymptotic model
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Simultaneous measurement of the adiabatic flame velocity and overall activation energy using a flat flame burner and a flame asymptotic model

机译:使用扁平火焰燃烧器和火焰渐近模型同时测量绝热火焰速度和整体活化能量

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Highlights?Simultaneous measurement of adiabatic flame velocity and overall activation energy at a single unburned gas temperature.?Fast measurements using a standard McKenna flat-burner and an asymptotic flame velocity model.?Measurements for methane-air at ?=1.0, 298K, 1atm, resulted 37.8cm/s and 271kJ/mol.?Applied for 0.75≤?≤1.2 resulted laminar flame velocities comparable to literature and GRIMech 3.0.AbstractThis work presents a method for the simultaneous measurement of the adiabatic flame velocity and the overall apparent activation energy from measurements taken at a single unburned gas temperature. This is achieved using a McKenna flat flame burner and measuring the heat loss from the flame region for different mixture flow velocities. Then, the measurements of laminar flame velocity in the presence of heat loss are curve-fitted to a flame asymptotic model assuming one-step reaction, providing the estim
机译:<![cdata [ 亮点 在单个未燃烧的气体温度下同时测量绝热火焰速度和整体激活能量。 快速测量使用标准Mckenna扁平燃烧器和渐近火焰速度模型。 甲烷空气的测量值在α= 1.0,298k,1Atm,导致37.8cm / s和271kj / mol。 施加0.75≤≤1.2得到的层流火焰速度与文献和Grimech 3.0相当。 抽象 此工作提出了一种同时测量的方法在单一未燃气温度下测量的绝热火焰速度和整体明显的活化能量。这是使用McKenna平燃烧器实现的,并测量来自火焰区域的热量损失以进行不同的混合流速。然后,在热损失存在下的层流火焰速度的测量是曲线适配于假设一步反应的火焰渐近模型,提供估计

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