Two-point time-series measurements of minor-species concentrations in a turbulent nonpremixed flame |
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Authors: | Zhang Jiayao Venkatesan Krishna K King Galen B Laurendeau Normand M Renfro Michael W |
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Institution: | School of Mechanical Engineering, Purdue University, West Lafayette, Indiana 47907, USA. zhang46@ecn.purdue.edu |
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Abstract: | We report a technique that is capable of making simultaneous two-point time-series measurements of minor-species concentrations in turbulent flames. The experimental setup, which incorporates picosecond time-resolved laser-induced fluorescence, has a spatial resolution of less than 250 microm and a temporal resolution of less than 100 micros, which spatially and temporally resolve microscales in many turbulent flows. Two-point time-series data are given for a standard turbulent nonpremixed flame at Re= 10,000, including a discussion of potential implications. |
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