Accession Number : ADP008971

Title :   A 4-Spot Time-of-Flight Anemometer for Small Centrifugal Compressor Velocity Measurements,

Corporate Author : NATIONAL AERONAUTICS AND SPACE ADMINISTRATION CLEVELAND OH LEWIS RESEARCH CEN TER

Personal Author(s) : Wernet, Mark P. ; Skoch, Gary J.

Report Date : 23 JUL 1992

Pagination or Media Count : 6

Abstract : The application of laser anemometry techniques in turbomachinery facilities is a challenge dilemma requiring an anemometer system with special qualities. In this work we describe the use of a novel laser anemometry technique applied to a small 4.5 kg/s, 4:1 pressure ratio centrifugal compressor. Sample velocity profiles across the blade pitch are presented for a single location along the rotor. The results of the intra-blade passage velocity measurements will ultimately be used to verify CFD 3-D viscous predictions.

Descriptors :   *LASER ANEMOMETERS, *CENTRIFUGAL COMPRESSORS, *FLOW FIELDS, VISCOUS FLOW, TURBOMACHINERY, COMPUTATIONAL FLUID DYNAMICS.

Subject Categories : Hydraulic and Pneumatic Equipment
      Fluid Mechanics

Distribution Statement : APPROVED FOR PUBLIC RELEASE