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The internal ballistics of a supergun

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Summary

In a recent paper, Jain and Sodha 1) have discussed the internal ballistics of a supergun (Hochdruckpumpe) designed by Coenders 2) during the second world war. In the present paper it is shown that their theory is the same as that for the burning of moderated charges in an orthodox gun (Kapur 3) 4)) and that their implicit assumption of the powder in the rth chamber being ignited only when the powder in the first (r−1) chambers has been completely burnt out is not likely to lead to an efficient supergun. An alternative theory without this restriction and including their theory as a particular case is discussed and its relation with the general theories of composite and moderated charges (Kapur 3) 4) 5) 6) 7)) is given.

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References

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    Jain, V. K. and M. S. Sodha, Appl. Sci. Res. A7 (1958) 369.

  2. 2)

    Simon, L. E., German Research in World War II, John Wiley and Sons, Inc., New York 1947, p. 191.

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    Kapur, J. N., Proc. Nat. Inst. Sci. India 22A (1956) 73.

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    Kapur, J. N., Proc. Nat. Inst. Sci. India 24A (1958) 323.

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    Kapur, J. N., Proc. Nat. Inst. Sci. India 22A (1956) 63.

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    Kapur, J. N., Proc. Nat. Inst. Sci. India 23A (1957) 469.

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    Kapur, J. N., General Theory of composite Charges. Mem. art. Franc. Paris (in press).

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    Corner, J., Interior Ballistics of Guns, John Wiley and Sons Inc., New York 1950.

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    Hunt, Goldie and Clemmow, Internal Ballistics, H.M.S.O. Publication, London 1951.

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    Serebry-Kov, M. E., Interior ballistics, Moscow 1949.

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    Kapur, J. N., Proc. Nat. Inst. Sci. India 24A (1958) 15.

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    Kapur, J. N., Solution of the equation of internal Ballistics for pressure index law of burning. Proc. 3rd Congr. theor. and appl. Mech. India, 3, 1958 (in press).

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    Clemmow, C. A., Phil. Trans. Roy. Soc. London 227A (1928) 345.

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    Clemmow, C. A., Internal Ballistics, H.M.S.O. Publication, London 1951, Chapter X.

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    Clemmow, C. A., Solution of equations of internal Ballistics for pressure index both less and greater than unity, Report London 1956.

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Kapur, J.N. The internal ballistics of a supergun. Appl. sci. Res. 8, 393–402 (1959). https://doi.org/10.1007/BF00411765

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Keywords

  • Burning
  • General Theory
  • Implicit Assumption
  • Alternative Theory
  • Internal Ballistic