作者: James M. Donohue , James C. McDaniel
DOI: 10.2514/3.13278
关键词: Fluorescence 、 Mixing (physics) 、 Planar 、 Computational physics 、 Optics 、 Laser 、 Materials science 、 Mach number 、 Compressibility 、 Mole fraction 、 Iodine 、 Aerospace engineering
摘要: A measurement technique for the mapping of complex compressible flowfields using planar laser-induced iodine fluorescence (PLIIF) is presented. Time-averaged values all relevant flowfield properties are found : pressure, temperature, velocity, and, mixing flowfields, injectant mole fraction. Several modifications have been made to a previous version PLIIF that allow multiple planes data, needed studying highly three-dimensional be collected and processed in greatly reduced time with improved accuracies. The demonstrated measurements Mach 2, rearward-facing step. presented represents unique tool allows complex, compressible, mapped out completely nonintrusively.