Authors: B A Uryukov V D Belik G V Tkachenko
Publish Date: 2012/05/12
Volume: 85, Issue: 2, Pages: 317-323
Abstract
A jet model based on approximations of velocities satisfying the continuity equation and on the integral momentum equation is presented The solution for the jet dynamics turned out to be nonmonotonic as an obstacle recedes over a distance larger than a certain critical one the jet escapes from the receiver nozzle rectilinearly and remains unchanged until the distance to the obstacle becomes equal to the critical one whereupon the jet begins to spreadThe heat transfer law has been determined on the basis of the momentum and boundary layer energy equations written in an integral form They were solved by the Squire method It is shown that with decrease in the distance to the obstacle if it is smaller than the critical one the Nusselt number at the stagnation point increases
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