Accession Number : ADA024445


Title :   Sting Dynamics of Wind Tunnel Models


Descriptive Note : Final rept. 1 Jul 1974-30 Jun 1975


Corporate Author : ARO INC ARNOLD AFS TN


Personal Author(s) : Billingsley, James P


Full Text : https://apps.dtic.mil/dtic/tr/fulltext/u2/a024445.pdf


Report Date : May 1976


Pagination or Media Count : 64


Abstract : Wind tunnel model support stings can be subjected to transient aerodynamic and inertial loads which will create oscillatory translations and angular deflections. These transient oscillations always impair steady-state data accuracy and can be large enough to cause structural failure. The primary result of this investigation has been the formulation of a mathematical analysis for the dynamic response of sting-balance combinations subjected to arbitrary transient load inputs. The analysis also provides for sting rigid body motion so that model to tunnel injection and continuous sting rotation can be simulated. A computer program was written to numerically solve the sting-model- balance notion equations.


Descriptors :   *DYNAMIC LOADS , *STING MOUNTS , *WIND TUNNEL MODELS , COMPUTER PROGRAMMING , DYNAMIC RESPONSE , MATHEMATICAL ANALYSIS , NUMERICAL METHODS AND PROCEDURES , OSCILLATION , SIMULATION , VIBRATION


Subject Categories : Test Facilities, Equipment and Methods


Distribution Statement : APPROVED FOR PUBLIC RELEASE