In-flight simulation experiments on turbulent jet mixing noise

H. K. Tanna, Philip John Morris

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

The effects of aircraft forward motion on pure turbulent mixing noise from unheated jets have been examined experimentally in the in-flight simulation mode. Both acoustic and flow characteristics were determined by testing model-scale nozzles in an anechoic free jet facility and a wind tunnel, respectively. Scaling laws were derived from each set of experiments and found to be complementary. The implications are discussed in detail. In particular, it is shown that the measured reduction in noise at 90° to the jet axis is a pure source alteration effect.

Original languageEnglish (US)
Pages (from-to)389-405
Number of pages17
JournalJournal of Sound and Vibration
Volume53
Issue number3
DOIs
StatePublished - Aug 8 1977

Fingerprint

in-flight simulation
turbulent jets
turbulent mixing
free jets
flow characteristics
scale models
wind tunnels
scaling laws
nozzles
aircraft
Scaling laws
Experiments
Wind tunnels
acoustics
Nozzles
Acoustics
Aircraft
Testing

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Acoustics and Ultrasonics
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

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In-flight simulation experiments on turbulent jet mixing noise. / Tanna, H. K.; Morris, Philip John.

In: Journal of Sound and Vibration, Vol. 53, No. 3, 08.08.1977, p. 389-405.

Research output: Contribution to journalArticle

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