One-Dimensional Model and Numerical Simulation of Two-Stage Light-Gas Launching Facility

Abstract:

In this paper, a one-dimensional mathematical model is established and simulated numerically for the interior ballistic cycle of two-stage light-gas launching facility with a piston-compressor type. A 35mm/130mm light-gas launcher is taken for the primary computing model, and lots of data, such as the pressure on light-gas chamber, the piston velocity, the diaphragm failure pressure, etc. are obtained by computing the model using the numerical difference scheme with the second order of numerical accuracy in space and the first order in time. On the basis of the results of analyzing these data systematically, some advices on enhancing the launching performance of light-gas launcher are put forward. The numerical results show that the developed mathematical model gives the correct trend and can provide useful calculated parameters for the structural design of the components of two-stage light-gas launcher.

• Periodical: Applied Mechanics and Materials (Volumes 66-68)
• Pages: 477-482
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.66-68.477
• Online since: July 2011
• Authors: Xin Lu, Yong Gang Yu, Yan Huang Zhou
• Keywords: Difference Method, Interior Ballistic Model, Launching Performance, Two-Stage Light-Gas Launcher

References

[1] R. E. Berggren and R. M. Reynolds: The Light-Gas-Gun Model Launcher, AD 713915 (1970).

[2] D. W. Bogdanoff and R. J. Miller: Optimization Study of the Ames 1. 5" Two-Stage Light Gas Gun, AIAA Paper 96-0099 (1996).

DOI: 10.2514/6.1996-99

[3] J. R. DeWitt: Configuration Development of the New AEDC 3. 3" Launcher, 45th Aeroballistic Range Association Meeting, University of Alabama at Huntsville, Ala. (1994).

[4] D. W. Bogdanoff and R. J. Miller: New Higher-Order Godunov Code for Modelling Performance of Two-Stage Light Gas Guns, NASA TM-110363 (1995).

[5] D. J. Chavez, C. C. King and L. L. Linley: A Study to Optimize a 7. 6mm (30 caliber) Two-Stage Light Gas Gun, 42nd Aeroballistic Range Association Meeting, Adelaide, South Australia (1991).

[6] X. R. Guan and C. Xu: The effects of Geometry and Loading Conditions on Launching Performance of Two-Stage Light-Gas Gun, Journal of Ballistics Vol. 17 (2005), p.74.

[7] C. Kruczynski, D. Massey, R. Milligan, E. Vigil, B. Landers and M. Meneguzzi: Combustion Light Gas Gun Technology Demonstration, ADA462130 (2007).

DOI: 10.21236/ada462130

[8] A. J. Piekutowski: A New Technique for Achieving Impact Velocities Greater Than 10km/sec, NASA/CR-2001-210990 (2001).

[9] Y. H. Zhou and S. C. Wang, in: Applied Two-phase Interior Ballistics, edited by Ordnance Industry Press, Beijing (1990).