DIRECT MEASUREMENT OF HIGH FREQUENCY SOLID PROPELLANT PRESSURE COUPLED RESPONSES.

J. R. Wilson, Michael Matthew Micci

Research output: Contribution to journalConference article

Abstract

This paper presents an experimental method that is capable of directly measuring solid propellant pressure-coupled responses at the high frequencies associated with tangential mode instabilities. The method utilizes a magnetic flowmeter to measure the velocity oscillation above a burning propellant surface within an externally excited combustion chamber. A magnetic flowmeter burner was designed and constructed to evaluate the method of pressure-coupled response measurement. Response measurements were obtained for two formulations of AP/HTPB composite propellant at pressure oscillation frequencies of 4000 and 8000 Hz. The measurement data displayed consistent trends in both the real and imaginary parts of the pressure-coupled response function.

Original languageEnglish (US)
JournalAIAA Paper
StatePublished - Jan 1 1985

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Solid propellants
Magnetic flowmeters
Composite propellants
Propellants
Combustion chambers
Fuel burners

All Science Journal Classification (ASJC) codes

  • Engineering(all)

Cite this

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abstract = "This paper presents an experimental method that is capable of directly measuring solid propellant pressure-coupled responses at the high frequencies associated with tangential mode instabilities. The method utilizes a magnetic flowmeter to measure the velocity oscillation above a burning propellant surface within an externally excited combustion chamber. A magnetic flowmeter burner was designed and constructed to evaluate the method of pressure-coupled response measurement. Response measurements were obtained for two formulations of AP/HTPB composite propellant at pressure oscillation frequencies of 4000 and 8000 Hz. The measurement data displayed consistent trends in both the real and imaginary parts of the pressure-coupled response function.",
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DIRECT MEASUREMENT OF HIGH FREQUENCY SOLID PROPELLANT PRESSURE COUPLED RESPONSES. / Wilson, J. R.; Micci, Michael Matthew.

In: AIAA Paper, 01.01.1985.

Research output: Contribution to journalConference article

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N2 - This paper presents an experimental method that is capable of directly measuring solid propellant pressure-coupled responses at the high frequencies associated with tangential mode instabilities. The method utilizes a magnetic flowmeter to measure the velocity oscillation above a burning propellant surface within an externally excited combustion chamber. A magnetic flowmeter burner was designed and constructed to evaluate the method of pressure-coupled response measurement. Response measurements were obtained for two formulations of AP/HTPB composite propellant at pressure oscillation frequencies of 4000 and 8000 Hz. The measurement data displayed consistent trends in both the real and imaginary parts of the pressure-coupled response function.

AB - This paper presents an experimental method that is capable of directly measuring solid propellant pressure-coupled responses at the high frequencies associated with tangential mode instabilities. The method utilizes a magnetic flowmeter to measure the velocity oscillation above a burning propellant surface within an externally excited combustion chamber. A magnetic flowmeter burner was designed and constructed to evaluate the method of pressure-coupled response measurement. Response measurements were obtained for two formulations of AP/HTPB composite propellant at pressure oscillation frequencies of 4000 and 8000 Hz. The measurement data displayed consistent trends in both the real and imaginary parts of the pressure-coupled response function.

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