Transonic Euler Solutions on Mutually Interfering Finned Bodies
Abstract
The ability of an Euler code to predict mutual aerodynamic interference in the transonic regime was investigated. One, two, and three body combinations of a cruciform finned configuration were examined at Mach numbers from 0.80 to 1.20 and angles of attack up to ten degrees. Predicted surface pressure distributions were compared with wind tunnel data or the first time on three finned bodies with success. The Euler code was found to predict body pressures well in many interference regions, although shock location often was less accurate due to viscous effects int he strongest interference flow field near Mach 1. Rigid body physics of the three body combination was investigated from integrated pressure distributions. Force and moment behavior was found to be strongly dependent upon Mach number. Keywords: Numerical grid generation; Euler equations; Mutual interference; Finned bodies; Transonic flows. (JHD)
Document Details
- Document Type
- Technical Report
- Publication Date
- Sep 01, 1989
- Accession Number
- ADA213395
Entities
People
- Lawrence E. Lijewski
Organizations
- Air Force Research Laboratory