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Record 4 of 2360
Aerodynamic performance of an annular flat plate airfoil cascade with nonuniform inlet velocity
Author and Affiliation:
Buffum, D.(Purdue Univ., West Lafayette, IN, United States)
Fleeter, S.(Purdue University, West Lafayette, IN, United States)
Abstract: The demand for increased gas turbine engine efficiency with minimum weight is leading to more complex blading designs, in which viscous and three-dimensional effects are significant. As a result, design procedures based on first principle, experimentally verified, three-dimensional aerodynamic analyses are required. This paper describes a series of experiments performed in a large-scale, subsonic, annular cascade facility specifically designed to provide three-dimensional aerodynamic data suitable for code verification. In particular, the effect of inlet velocity profile on the overall three-dimensional performance of a classical flat plate airfoil cascade is investigated over a range of incidence angles including those resulting in airfoil surface flow separation. All of the data are analyzed and correlated with appropriate nonseparated flow predictions.
Publication Date: Feb 01, 1986
Document ID:
19860038400
(Acquired Nov 28, 1995)
Accession Number: 86A23138
Subject Category: AERODYNAMICS
Report/Patent Number: AIAA PAPER 84-0619
Document Type: Journal Article
Publication Information: AIAA Journal (ISSN 0001-1452); 24; 270-277
Publisher Information: United States
Financial Sponsor: NASA; United States
Organization Source: Purdue Univ.; West Lafayette, IN, United States
Description: 8p; In English
Distribution Limits: Unclassified; Publicly available; Unlimited
Rights: Copyright
NASA Terms: AIRFOILS; ANNULAR PLATES; CASCADE FLOW; FLAT PLATES; GAS TURBINE ENGINES; INLET FLOW; FLOW VELOCITY; HOT-WIRE FLOWMETERS; NONUNIFORM FLOW; SEPARATED FLOW; THERMODYNAMIC EFFICIENCY; VELOCITY MEASUREMENT
Imprint And Other Notes: (AIAA, Aerodynamic Testing Conference, 13th, San Diego, CA, Mar. 5-7, 1984) AIAA Journal (ISSN 0001-1452), vol. 24, Feb. 1986, p. 270-277. NASA-supported research.
Miscellaneous Notes: NASA-supported research
Availability Source: Other Sources
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