Accession Number : AD0621604

Title :   SOME PROBLEMS ON THE PERFORMANCE AND MEASUREMENTS IN A WIND TUNNEL AT LOW VELOCITY.

Descriptive Note : Technical note,

Corporate Author : POLITECNICO DI TORINO (ITALY)

Personal Author(s) : Mattioli,Ennio

Report Date : APR 1965

Pagination or Media Count : 24

Abstract : Experimental researches were begun some years ago in order to study the pressure gradient effect on boundary layer transition along a flat plate. Many inconveniences where encountered: they were concerning the turbulence of the free stream, the measurement of differential pressures and of velocities very low, the interference of noises on the hot wire signal. In this research is shown the study made upon these subjects and the methods used to remove some of the difficulties encountered in order to improve the measurements. (Author)

Descriptors :   (*WIND TUNNELS, SUBSONIC FLOW), PERFORMANCE(ENGINEERING), MEASUREMENT, BOUNDARY LAYER TRANSITION, TURBULENCE, ITALY

Distribution Statement : APPROVED FOR PUBLIC RELEASE