Supercritical Airfoil Technology Program Wake Experiments and Modeling for Fore- and Aft-Loaded Compressor Cascades.

Hobbs, D. E.; Wagner, Joel H.; Dannenhoffer, J. F.; Dring, R. P.

Supercritical Airfoil Technology Program Wake Experiments and Modeling for Fore- and Aft-Loaded Compressor Cascades.

Active / Technical Report | Accession Number: ADA091378 |

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Abstract:

A procedure has been developed for designing supercritical cascade airfoils satisfying practical aerodynamic and structural requirements. The purpose of the research reported herein is to improve the calculation of flow turning and profile loss for these airfoils through the use of a model of the viscous wake. Wakes were measured in a large-scale, low-speed facility for two cascades. The first cascade configuration was a fore-loaded supercritical design the second was a conventional aft-loaded design. The experimental results were used to analytically model the viscous wake in an inviscid potential flow calculation.

Author(s):

Hobbs, D. E. ; Wagner, Joel H. ; Dannenhoffer, J. F. ; Dring, R. P.

Author Organization(s):

PRATT AND WHITNEY AIRCRAFT GROUP WEST PALM BEACH FL GOVERNMENT PRODUCTS DIV

Descriptive Note:

Final rept.,

Pagination:

0123

Security Markings

DOCUMENT & CONTEXTUAL SUMMARY

Distribution:

Approved For Public Release

RECORD

Collection: TR

Identifying Numbers

Report Number(s):

PWA-FR-13514

Contract/Grant Number(s):

N00019-79-C-0229

Subject Terms

Joint Capability Areas:

JCA_5_Command and Control; JCA_1.2.7_Experimentation; JCA_6.3.3_Spectrum Management; JCA_5.2_Understand; JCA_5.3_Planning; JCA_6.3_Net Management; JCA_6_Net Centric

Communities of Interest:

Air Platforms

Descriptor(s):

*WAKE, *CASCADE STRUCTURES, *SUPERCRITICAL AIRFOILS, MATHEMATICAL MODELS, EXPERIMENTAL DESIGN, TURBULENCE, TURBULENT BOUNDARY LAYER, VORTEX SHEDDING, TABLES(DATA), COMPRESSORS, AERODYNAMICS, POTENTIAL FLOW

Field(s)/Group(s):

Statistics and Probability, Fluid Mechanics

Report Date:

1980 Sep 01