Accession Number:

ADP006204

Title:

Design and Aerodynamic Performance of a Small Mixed-Flow Gas Generator Turbine,

Descriptive Note:

Corporate Author:

PRATT AND WHITNEY CANADA INC LONGUEUIL (QUEBEC)

Personal Author(s):

Report Date:

1987-09-01

Pagination or Media Count:

11.0

Abstract:

Design details and results from aerodynamic rig tests are presented for four variants of a mixed-flow turbine having a design target pressure ratio of 31. This experimental turbine, designed to satisfy the aerodynamic requirements of a gas generator turbine in a hypothetical small turboprop engine, demonstrated a design point efficiency substantially in excess of that predicted for a single stage axial turbine of equivalent duty. Design and material implications are discussed and potential constraints identified.

Subject Categories:

  • Jet and Gas Turbine Engines
  • Aerodynamics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE