Effusion cooling consists in forcing a gas under pressure through a porous material thereby
absorbing heat from the material and forming a heat insulating layer on the exposed surface …

SUMMARY A method of coping with the high rates of heat transfer encountered in the field of
jet-propulsion consists of making the parts to be cooled of a porous material and forcing the …

Introduction r^ HE results of experimental and theoretical studies of gaseous sweat cooling
described previously (1, 2) 3 have 3 Numbers in parentheses indicate References at end of …

THE differential equations governing internal heat transfer and temperature distributions
within a porous medium under transpiration cooling have been formulated in (1) and (3). In …

Porous Coolin $ Elements. The method of transpirational cooling of structures on which
external convective or radiant heat flows of high density act (see Fig. i) has a number of …

Transpiration cooling is one of the more promising solutions to the material's problem
imposed on high enemy liquid, solid and nuclear rocket engines, atmospheric reentry …

THE conventional regenerative cooling of rocket motors is subject to severe limitations in
two cases:(a) When high energy propellants or high working pressures are used, since the …

This paper describes a program of experimental and analytical research designed to
evaluate the aerodynamic and thermodynamic performance of transpiration-cooled porous …

In reference [l], 2 it was shown analytically that the cooling effectiveness of a regenerative
cooling scheme can be increased significantly by packing the coolant passage with porous …

The effectiveness of transpiration cooling on an 80 total-angle conical bo~ having a porous
skin is presented for various coolant mass flow rates of nitrogen gas, helium gas, and …