ACOUSTICALLY EXCITED HEATED JETS II-IN SEARCH OF A BETTER UNDERSTANDING.

J. Lepicovsky; K. Ahuja; W. H. Brown; M. Salikuddin; Philip John Morris

ACOUSTICALLY EXCITED HEATED JETS II-IN SEARCH OF A BETTER UNDERSTANDING.

J. Lepicovsky, K. Ahuja, W. H. Brown, M. Salikuddin, Philip John Morris

Aerospace Engineering

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Abstract

This is Part 2 of a three-part report on the excitability of heated jets under the influence of acoustic excitation. Our efforts to understand the lack of excitability of high speed heated jets by internal excitation are described here. The theoretical predictions discussed in Part 1 are examined in detail to find explanations for the observed discrepancies between the measured and the predicted results. Additional testing was performed by studying the self excitation of the shock containing hot jets and also by exciting the jet by sound radiated through source tubes located externally around the periphery of the jet. The effects of nozzle-exit boundary layer conditions on jet excitability was also investigated.

Original language	English (US)
Pages (from-to)	1-85
Number of pages	85
Journal	NASA Contractor Reports
Issue number	4129 pt 2
State	Published - Jun 1 1988

All Science Journal Classification (ASJC) codes

Aerospace Engineering

Cite this

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title = "ACOUSTICALLY EXCITED HEATED JETS II-IN SEARCH OF A BETTER UNDERSTANDING.",

abstract = "This is Part 2 of a three-part report on the excitability of heated jets under the influence of acoustic excitation. Our efforts to understand the lack of excitability of high speed heated jets by internal excitation are described here. The theoretical predictions discussed in Part 1 are examined in detail to find explanations for the observed discrepancies between the measured and the predicted results. Additional testing was performed by studying the self excitation of the shock containing hot jets and also by exciting the jet by sound radiated through source tubes located externally around the periphery of the jet. The effects of nozzle-exit boundary layer conditions on jet excitability was also investigated.",

author = "J. Lepicovsky and K. Ahuja and Brown, {W. H.} and M. Salikuddin and Morris, {Philip John}",

year = "1988",

month = jun,

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language = "English (US)",

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journal = "NASA Contractor Reports",

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AU - Lepicovsky, J.

AU - Ahuja, K.

AU - Brown, W. H.

AU - Salikuddin, M.

AU - Morris, Philip John

PY - 1988/6/1

Y1 - 1988/6/1

N2 - This is Part 2 of a three-part report on the excitability of heated jets under the influence of acoustic excitation. Our efforts to understand the lack of excitability of high speed heated jets by internal excitation are described here. The theoretical predictions discussed in Part 1 are examined in detail to find explanations for the observed discrepancies between the measured and the predicted results. Additional testing was performed by studying the self excitation of the shock containing hot jets and also by exciting the jet by sound radiated through source tubes located externally around the periphery of the jet. The effects of nozzle-exit boundary layer conditions on jet excitability was also investigated.

AB - This is Part 2 of a three-part report on the excitability of heated jets under the influence of acoustic excitation. Our efforts to understand the lack of excitability of high speed heated jets by internal excitation are described here. The theoretical predictions discussed in Part 1 are examined in detail to find explanations for the observed discrepancies between the measured and the predicted results. Additional testing was performed by studying the self excitation of the shock containing hot jets and also by exciting the jet by sound radiated through source tubes located externally around the periphery of the jet. The effects of nozzle-exit boundary layer conditions on jet excitability was also investigated.

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SN - 0565-7059

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JF - NASA Contractor Reports

IS - 4129 pt 2

ER -

ACOUSTICALLY EXCITED HEATED JETS II-IN SEARCH OF A BETTER UNDERSTANDING.

Abstract

All Science Journal Classification (ASJC) codes

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