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oai:drum.lib.umd.edu:1903/100132016-03-29T05:23:03Zcom_1903_2241com_1903_1654com_1903_2col_1903_2772col_1903_3

Marshall, André Zheng, Yinghui Digital Repository at the University of Maryland University of Maryland (College Park, Md.) Fire Protection Engineering 2010-02-19T07:11:24Z 2010-02-19T07:11:24Z 2009 http://hdl.handle.net/1903/10013 An experimental study on the initial spray from a liquid jet in air crossflow was conducted using Shadowgraphy and Particle Image Velocimetry (PIV) techniques. Momentum ratio and gas Weber number were varied to study their effects on the column trajectory, spray trajectory, breakup locations and spray characteristics after column breakup. Correlations for column trajectory, spray trajectory, breakup locations in terms of momentum ratio and gas Weber number were obtained using linear regression of the experimental data. Two breakup modes were recognized in the test (Column breakup and Bag breakup), a breakup mode regime map was provided including effects of momentum ratio and gas Weber number. Drop characteristics in the spray were also investigated. CHARACTERIZATION OF THE INITIAL SPRAY FROM A JET IN CROSSFLOW Thesis Engineering, Mechanical Engineering, General Atomization breakup mode column trajectory Liquid jet spray trajectory open.access