Fluidic Jet Impingement—Analytical Solution and Novel Physical Characteristic

Abstract

THE chief obstacle to the solution of liquid jet problems is the fact that free surface locations are not known a priori. So total force at an impingement surface can be related to gross flow quantities, but pressure and velocity variations in the impingement zone are not deducible theoretically. Inspection of the integral equations expressing the standard conservation conditions of fluid mechanics has furnished, by an inductive argument, an acceptable asymptotic formula for splash thickness resulting from oblique impingement of a circular jet on a flat surface. A novel physical feature is the occurrence of a dry zone when the impingement angle is less than π/3.

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References

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    Lamb, H., Hydrodynamics, sixth ed. (Dover Publications, 1945).

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    Ginsburg, I. P., Applied Fluid Dynamics, Izdatel'stvo Leningradskogo Universiteta, 1958 (also issued as NASA TT F-94, 1963).

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    Gurevich, G. I., Theory of Jets in Ideal Fluids, (Academic Press, 1965).

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MICHELSON, I. Fluidic Jet Impingement—Analytical Solution and Novel Physical Characteristic. Nature 223, 610–611 (1969). https://doi.org/10.1038/223610a0

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