Study on the Burning of a Fuel Drop in Heated and Pressurized Air Stream : 2nd Report, Empirical Formulas Concerning the Burning Rate and the Flame Shape
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A few empirical formulas describing the burning rate of a fuel drop have been published already. But their validity is restricted to the case of atmospheric pressure. Regarding the quantities which provide the flame shape, no attempt has been made to formulate them. In this report, the empirical formulas for the burning rate and the flame shape were derived respectively under the theoretical consideration. The derivation was carried out as follows. After finding out the dimensionless factors governing the phenomena by applying the law of similitude to the fundamental equations and boundary conditions, the functional relations between them were determined by using the experimental results of the 1st Report. Thus, the empirical formulas common to fuels of three kinds used were obtained. In addition, it was confirmed by comparing with the experimental results that these formulas would be available to the extent of fine droplet (〜100 microns in diameter).
- 一般社団法人日本機械学会の論文
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