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  1. Home
  2. Indian Institute of Technology Madras
  3. Publication7
  4. Acoustic heating effects in Hartmann whistle
 
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Acoustic heating effects in Hartmann whistle

Date Issued
01-10-2013
Author(s)
Narayanan, S.
Behera, Bholanath
Sundararajan, T.
Srinivasan K 
Indian Institute of Technology, Madras
DOI
10.1260/1475-472X.12.5-6.557
Abstract
This paper systematically explores the heating effects in a Hartmann whistle. Effects of thermal losses on the end-wall heating of the whistle are demonstrated by conducting experiments on bare metal cavities, insulated metal cavities, and in wooden cavities. The heating studies are done on wooden cavities of three different configurations, namely, regular cylindrical, stepped and conical ones. The cavity with conical geometry is observed to provide the maximum heating effect at the end-wall. Further, the effects of various parameters such as nozzle pressure ratio, cavity length, and stand-off distance on the end-wall heating of the cavities are also studied. The relationship between acoustic resonance and heating effects are established.
Volume
12
Subjects
  • Acoustic Resonance He...

  • Hartmann Whistle

  • Hartmann-Sprenger tub...

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