Hot-Wire Measurements of Transverse Vortices. Aerospace Engineering Report 9830

Doolan, C. (1998) Hot-Wire Measurements of Transverse Vortices. Aerospace Engineering Report 9830. Technical Report. Department of Aerospace Engineering, University of Glasgow.

Abstract

This is a report to document a series of tests performed using the new transverse vortex generator rig in the 1.15 m x 0.85 m wind tunnel. Results were acquired with a hot wire anemometer system using single and cross wire probes. A strong vortex velocity field was measured which confirmed the success of the vortex generation technique and provided information about the gross features of the flow. The data indicated that an interaction occurred between the vortex core and the hot wire probe. This interaction manifested itself as variations in vortex core measurements which one would not expect without probe interference. While an interaction was present when measuring close to the core region, outside the core region the probe had little effect on vortex dynamics. This allowed analysis of vortex geometry and an estimation of the vortex wandering amplitude in the test section. Mechanisms of vortex/probe interaction were also considered and are discussed in the report. Wake curvature was measured using differently spaced single and cross wire probes. This data was compared with a computational model of the vortex generator wake and shows good agreement.

• Item Type: Research Reports or Papers (Technical Report)
• Status: Published
• Glasgow Author(s) Enlighten ID: UNSPECIFIED
• Authors: Doolan, C.
• College/School: College of Science and Engineering > School of Engineering > Autonomous Systems and Connectivity
• Publisher: Department of Aerospace Engineering, University of Glasgow
• Copyright Holders: Copyright © 1998 Department of Aerospace Engineering, University of Glasgow
• Publisher Policy: Reproduced with the permission of the Department