Title page for ETD etd-08012012-040342


Type of Document Master's Thesis
Author Rettew, A. Louisa
URN etd-08012012-040342
Title The use of hot-wire anemometry in studying supersonic slot injection into a supersonic flow
Degree Master of Science
Department Mechanical Engineering
Advisory Committee
Advisor Name Title
Ng, Fai Committee Chair
Dancey, Clinton L. Committee Member
Senetz, Joseph A. Committee Member
Keywords
  • Supersonic planes
Date of Defense 1988-02-05
Availability restricted
Abstract
Tangential supersonic slot injection (M = 1.7) of air into a supersonic air stream (M = 2.91) was studied with a dual hot wire probe. This probe was used to simultaneously determine total temperature and mass flux. Mean profiles across the entire flow field at three axial stations (x/h = 4, 10, 20) were obtained, as well as the temperature and mass flux turbulence intensities. The probe can be used anywhere except at locations where features of the flow are smaller than the separation between the wires (0.18 mm). The calibration of the probe can be repeated with less than a three percent change in calculated Nusselt number. The hot wire probe can also be tuned to obtain a high frequency response. The interaction of a shock wave, caused by a wedge placed on the upper tunnel wall, with the mixing region was investigated. Little change in the mean profiles was observed, but there was a significant increase in turbulence levels.
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