Date of Award
Fall 1988
Document Type
Thesis
Degree Name
Master of Science (MS)
Department
Mechanical & Aerospace Engineering
Program/Concentration
Mechanical Engineering
Committee Director
A. Sidney Roberts, Jr.
Committee Member
Griffith J. McRee
Committee Member
Robert L. Ash
Committee Member
Bruce J. Holmes
Call Number for Print
Special Collections; LD4331.E56W87
Abstract
An arrayed hot-film sensor has been developed for use in laminar boundary-layer research for the detection of crossflow or Gortler vortices. This sensor has been developed to detect spatial variations in heat transfer and velocity perturbations which are characteristic of crossflow or Gortler vortices. The sensor is ultimately intended for flight research applications. This thesis describes the sensor, its principles of operation, signal analysis techniques, and experimental results illustrating the spatial detection capabilities of this specialized hot-film device. Discretely placed spheres placed in the boundary layer created alternating regions of undisturbed and disturbed laminar flow over a prototype sensor. Flow visualization results were correlated with the sensor output to demonstrate the ability of the sensor to determine the spatial boundaries of localized disturbances in laminar flow. This work represents the initial steps toward the validation and calibration of an arrayed hot-film sensor for the detection of crossflow or Gortler vorticity wavelength and/or wave frequency.
Rights
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DOI
10.25777/qree-p351
Recommended Citation
Wusk, Michael S..
"An Arrayed Hot-Film Sensor for Detection of Laminar Boundary-Layer Flow Disturbance Spatial Characteristics"
(1988). Master of Science (MS), Thesis, Mechanical & Aerospace Engineering, Old Dominion University, DOI: 10.25777/qree-p351
https://digitalcommons.odu.edu/mae_etds/756