Engineering topics

Mehta, Jayesh M.

Publications and source records attributed to Mehta, Jayesh M..

2 records

NASA NTRS1989

Separated flows developing under increasingly adverse pressure gradients

Experimental results are presented for separating flows over a NASA GA(W)-1 airfoil with 2-percent trailing-edge thickness, with emphasis on the mean velocity data that demonstrate flowfield similarity downstream of separation. The length scale presently employed was selected because it furnishes the requisite matching point between the outer, mixing region flow and the back-flow.

Mehta, Jayesh M.↗

NASA NTRS1989

Self-preservation of turbulent wakes

The present experiment has ascertained the development of the wake flow behind NASA GA(W)-1 airfoils, showing that, in the far wake, the mean velocity profiles exhibit self-similar behavior irrespective of the upstream boundary layer's character. It is noted, however, that the processes by means of which different wakes reach the asymptotic stage can be very different for different types of wake generators.

Mehta, Jayesh M.↗