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Estimation of Ignition Pressure in Ammunition

Author

Listed:
  • Radosław Trębiński

    (Institute of Armament Technology, Faculty of Mechatronics, Armament and Aerospace, Military University of Technology, 2 Gen. S. Kaliskiego Street, 00-908 Warsaw, Poland)

  • Ryszard Woźniak

    (Institute of Armament Technology, Faculty of Mechatronics, Armament and Aerospace, Military University of Technology, 2 Gen. S. Kaliskiego Street, 00-908 Warsaw, Poland)

  • Damian Szupieńko

    (Institute of Armament Technology, Faculty of Mechatronics, Armament and Aerospace, Military University of Technology, 2 Gen. S. Kaliskiego Street, 00-908 Warsaw, Poland)

  • Bartosz Fikus

    (Institute of Armament Technology, Faculty of Mechatronics, Armament and Aerospace, Military University of Technology, 2 Gen. S. Kaliskiego Street, 00-908 Warsaw, Poland)

Abstract

This paper presents the experimental estimation of the ignition pressure value produced by a primer in small arms ammunition. Investigations were performed using a chamber of the capacity equal to the capacity of the 12.7 mm ammunition case. The inner volume of the chamber was adjusted to the free volume in the cartridge by inserting a sleeve or glass balls of a diameter of 2 or 4 mm. The pressure values were measured inside the chamber after the action of the primer. The maximum pressure value was used as an estimation of the ignition pressure value. Depending on the nature of the filling, considerably different values were obtained; they were compared with the values of pressure measured inside the case at the live firing. A considerable difference between the ignition pressure values measured inside the case and those measured in the model setup was detected. Based on these results, a discussion concerning the choice of the starting pressure in interior ballistics lumped parameters models was carried out.

Suggested Citation

  • Radosław Trębiński & Ryszard Woźniak & Damian Szupieńko & Bartosz Fikus, 2022. "Estimation of Ignition Pressure in Ammunition," Energies, MDPI, vol. 15(16), pages 1-10, August.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:16:p:5916-:d:888728
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    Cited by:

    1. Radosław Trębiński & Ryszard Woźniak & Damian Szupieńko & Bartosz Fikus, 2022. "Estimation of Priming Mixture Force," Energies, MDPI, vol. 15(16), pages 1-15, August.

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