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A CASCADE IMPACTOR FOR DETERMINING THE DROP-SIZE DISTRIBUTION OF FUEL MISTS

机译:用于确定燃料管道落差分布的级联撞击器

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This report covers the development of an instrument for use in determining the drop-size distribution of finely divided fuel sprays. With the Battelle No. 7 cascade impactor, sprays can be classified into seven fractions having known size limits. The cutoff size, which is the size of droplet of which 50 per cent impact and 50 per cent pass on to the succeed¬ing stage, between the first and second fractions is 44 microns. The cut¬off size for each succeeding fraction decreases by a factor of 2 and is 1. 4 microns for the last impaction stage. A quantitative determination of the amount in each size fraction yields the distribution of the spray sampled.

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