Effects of Pressure in Turbulent Reacting Flows

实验和分析用于调查的一些 速度和物质质量之间令人烦恼的相关性 在二阶闭合中出现的反压力梯度分数 湍流反应流的方法。 同时两点 对压力、速度和密度进行测量（并且， 等效地，质量分数和温度）。 一种预混湍流 火焰设备用于这些测量。 激光技术 沿着使用了测速和连续瑞利分子散射 用动态皮托管气压计 分析包括开发一个 新理论的相关性问题和比较与 实验 此外，过去的模型，严重加权的问题， 不可压缩性的考虑，与实验相比， 结果

Experiments and analysis are used in an investigation of some troublesome correlations between both velocity and species mass fraction against pressure gradient which occur in second order closure methods for turbulent reacting flows. Simultaneous two-point measurements are carried out for pressure, velocity, and density (and, equivalently, mass fraction and temperatures). A premixed turbulent flame facility is used for these measurements. The techniques of laser velocimetry and continuous Rayleigh molecular scattering are used along with dynamic Pitot barometry. Analysis consists of development of a new theory for the correlations in question and comparison with experiment. In addition, past models, heavily weighted by questionable incompressibility considerations, are compared with the experimental results.