Accession Number:

ADA801266

Title:

Friction in Pipes at Supersonic and Subsonic Velocities

Personal Author(s):

Corporate Author:

MASSACHUSETTS INST OF TECH CAMBRIDGE DEPT OF MECHANICAL ENGINEERING

Report Date:

1945-01-01

Abstract:

Apparent friction coefficient in pipes at subsonic and supersonic velocities was experimentally determined. In supersonic flow, results were found to be strongly influenced by presence of oblique shocks formed at junction of nozzle and pipe. Nozzle forms were devised which eliminated shocks and their effects. At distance from inlet greater than 50 diameters, apparent friction coefficient for compressible flow at Mach numbers greater than 1 is approximately equal, and for equal Reynolds Numbers, coefficient of friction for incompressible flow with completely developed boundary layer is equal.

Descriptive Note:

Technical note

Pages:

0046

Identifiers:

Communities Of Interest:

Distribution Statement:

Approved for public release; distribution is unlimited.

File Size:

1.03MB