- Tytuł:
- An Approximate Model for the Theoretical Prediction of the Velocity Increase in the Intermediate Ballistics Period
- Autorzy:
-
Trębiński, R.
Czyżewska, M. - Powiązania:
- https://bibliotekanauki.pl/articles/358088.pdf
- Data publikacji:
- 2015
- Wydawca:
- Sieć Badawcza Łukasiewicz - Instytut Przemysłu Organicznego
- Tematy:
-
intermediate ballistics
internal ballistics
projectile velocity - Opis:
- This paper is a continuation of an earlier work [1] by the authors devoted to CFD modelling of the intermediate ballistics period. A semi-analytical model is proposed based on the analytical solution of the Prandtl-Meyer expansion for an approximate assessment of the magnitude of the velocity increase in the intermediate period. Two variants of the model provide upper and lower estimates of the velocity increase. A comparison of these estimates with the results of CFD modelling gives a similar magnitude for the velocity increase. A formula is proposed for a simple estimation of the velocity increase that can be used to calculate a correction to the muzzle velocity value obtained by internal ballistics models.
- Źródło:
-
Central European Journal of Energetic Materials; 2015, 12, 1; 77-88
1733-7178 - Pojawia się w:
- Central European Journal of Energetic Materials
- Dostawca treści:
- Biblioteka Nauki
Artykuł