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    Development of Instrumentation for Spray Drop Size Research

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    The latest version of an optical, nonintrusive, imaging instrument for measuring drop sizes in sprays is briefly described. The range of drop sizes measurable is 6 to 1200 μm. The use of a laser allows the time exposure to be only 10 ns, which is suitable for fast-moving drops typically found with air-atomizing spray nozzles. References are given for a fuller description of the method and its advantages.


    spray, drop sizing, video, imaging systems, computerized data acquisition, nonintrusive measurement techniques

    Author Information:

    Simmons, HC
    Director of Engineering Research and Development, Parker-Hannifin Corporation, Cleveland, OH

    Committee/Subcommittee: E35.22

    DOI: 10.1520/STP18364S