Vortex Shedding from Finned Circular Cylinders

reportActive / Technical Report | Accession Number: ADA092725 | Open PDF

Abstract:

A computer program has been developed to simulate vortex shedding from circular cylinders with evenly distributed fins. These bodies may rotate continuously or oscillate in a parallel stream. The two-dimensional flow model consists of point vortices inserted in an otherwise potential-flow field. For the roll-up of the line of vortices the rediscretization scheme by Fink and Soh is used. Sample results are presented for vortex shedding from a flat plate at angles of attack of 45 deg and 90 deg, and from a circular cylinder with two fins at an angle of attack of 45 deg.

Author(s):
Telste, John G. ; Lugt, Hans J.
Author Organization(s):
DAVID W TAYLOR NAVAL SHIP RESEARCH AND DEVELOPMENT CENTER BETHESDA MD
Descriptive Note:
Final rept.
Pagination:
0053

Security Markings

DOCUMENT & CONTEXTUAL SUMMARY

Distribution:
Approved For Public Release, Document Partially Illegible
Distribution Statement:
Availability: Document Partially Illegible.

RECORD

Collection: TR
Identifying Numbers
Report Number(s):
DTNSRDC-80/124
Task Number(s):
ZR0140201, SR0140301
Project Number(s):
ZR01402, SR01403
Monitor Series:
DTNSRDC
 Subject Terms
Joint Capability Areas:
JCA_5_Command and Control; JCA_5.3_Planning; JCA_4.4.1_Food Service; JCA_4.4_Logistics Services; JCA_5.3.2_Apply Situational Understanding; JCA_4_Logistics; JCA_3.2_Engagement; JCA_3_Force Application
Modernization Areas:
Fully Networked C3
Communities of Interest:
Air Platforms
Descriptor(s):
*COMPUTER PROGRAMS, *VORTEX SHEDDING, *CYLINDRICAL BODIES, MATHEMATICAL MODELS, COMPUTERIZED SIMULATION, VORTICES, ANGLE OF ATTACK, FLOW FIELDS, PLATES, TWO DIMENSIONAL FLOW, CIRCULAR, POTENTIAL FLOW, CONFORMAL MAPPING
Field(s)/Group(s):
Numerical Mathematics, Computer Programming and Software, Fluid Mechanics
Keyword(s):
CIRCULAR CYLINDERS, PE61152N, PE61153N, WU1843050, WU1808010
Report Date:
1980 Nov 01