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International Journal of Energetic Materials and Chemical Propulsion
ESCI SJR: 0.28 SNIP: 0.421 CiteScore™: 0.9

ISSN Druckformat: 2150-766X
ISSN Online: 2150-7678

International Journal of Energetic Materials and Chemical Propulsion

DOI: 10.1615/IntJEnergeticMaterialsChemProp.v8.i2.30
pages 113-132

ULTRASOUND METHOD: TOWARDS THE AUTOMATION OF THE SOLID PROPELLANT BURNING RATE DETERMINATION

Franck Cauty
ONERA
retired
Guillaume Louaze
ONERA, DEFA/PSO, Chemin de la Hunière, 91761 PALAISEAU CEDEX
Charles Erades
ONERA−The French Aerospace Lab, Palaiseau, France

ABSTRAKT

For three decades, ONERA has been promoting a method based on ultrasound wave propagation to determine the burning rate of solid propellants. Since 1996, the measurement equipment has evolved from an analog device to a digital ultrasound system integrating new technologies, thanks to Sofratest Co. This paper will present and describe the concept of an industrial version of the software written at ONERA and devoted to laboratory applications. "Industrial version" means that the user does not require any detailed knowledge of the ultrasound technique; basic pieces of information should be found in the "user's manual." The software development was carried out keeping in mind reliability improvement and data processing optimization. The reliability was related to code robustness and its improvement consisted in validating the algorithms used for a well-defined application: burning rate determination as a function of pressure, the basic industrial control of the ballistic properties of any propellant. The optimization was linked to the software operation which had to be made more user-friendly and attractive in terms of graphic panels. Another important point was the repeatability and reproducibility (R&R) of the ultrasound technique coupled to the software. We tried to evaluate these parameters through a series of tests.

REFERENZEN

  1. Cauty, F., Non-Intrusive Measurement Methods Applied to Energetic Material Regression Rate Determination.

  2. Cauty, F., The Ultrasound Waves: A Measurement Tool for Energetic Material Characterization.

  3. Kuentzmann, P., Demarais, J.C., and Cauty, F., Mesure de la vitesse de combustion des propergols solides par ultrasons.

  4. Cauty, F., Ultrasonic Method Applied to Full-Scale Solid Rocket Motors.

  5. Cauty, F., The Ultrasound Measurement Technique Applied to Energetic Materials.

  6. Cauty, F., Determination of Solid Propellant Burning Rate Sensitivity to the Initial Temperature by the Ultrasonic Method.

  7. Cauty F., Carmicino C., and Russo-Sorge, A., The Pressure Sensitivity of the Ultrasound Waves Velocity: A Contribution to a Better Determination of the Energetic Material Regression Rate.

  8. Cauty, F. and Erades, C., Progress in Determining the Burning Rate of a Composite Solid Propellant Using an Ultrasound Technique.

  9. Cauty, F. and Demarais, J.C. (1990), Ultrasonic Measurement of the Uncured Solid Propellant Burning Rate.

  10. Fry, R., Evaluation of Methods for Solid Propellant Burning Rate Measurements.


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