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TECHNICAL PAPERS

The Influence of Additives on the Temperature, Heat Transfer, Wear, Fatigue Life, and Self Ignition Characteristics of a 155 mm Gun

[+] Author and Article Information
Dr. B. Lawton

Royal Military College of Science, Cranfield University, Shrivenham, Swindon, Wilts, SN6 8LA, UK

J. Pressure Vessel Technol 125(3), 315-320 (Aug 01, 2003) (6 pages) doi:10.1115/1.1593069 History: Received March 12, 2003; Revised April 23, 2003; Online August 01, 2003
Copyright © 2003 by ASME
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References

Lawton, B., and Klingenberg, G., 1996, Transient Temperature in Engineering and Science, Oxford University Press, pp. 82–93.
Brosseau  T. L., and Ward,  J. R., 1975, “Reduction in Heat Transfer to Barrels by Wear Reducing Additives,” Trans. ASME, 1975, pp. 610–14 paper 76-HT-K.
Lawton, B., 1984, “Thermal and Chemical Effects on Gun Barrel Wear,” 8th International Symposium on Ballistics, Orlando, Florida, pp. II-27–II-35.
Anon., 1953, “Gunnery Manual,” Vol II, pt. 29, Gun Life, Naval Ord. Dept., Admiralty, pp. 23–40.
Kolkert, W. J., Waas, M., and The, H. G., 1985, “On the Thermal Behavior of the Barrel During Internal Ballistics Cycle of Propellant Guns,” Advisory Group for Aerospace Research, Conf. Proc. CP-392, Neully sur Seine, pp. 13.1–13.13.
Lawton, B., 1985, “Bore Temperature and Heat Flux in a 40 mm Gun Barrel,” Advisory Group for Aerospace Research, Conf. Proc. CP-392, Neuilly sur Seine, pp. 10.1–10.11.
Lawton, B., 1988, “Heat Transfer in Gun Barrels,” I. Mech E., 2nd UK Conf. on Heat Transfer, pp. 543–564.
Lawton, B., and Klingenberg, G., 1996, “Transient Temperature in Engineering and Science,” Oxford University Press.
Underwood,  J. H., Parker,  A. P., Cote,  P. J., and Sopok,  S., 1999, “Compressive Thermal Yielding Leading to Hydrogen Cracking in a Fired Cannon,” ASME J. Pressure Vessel Technol., 121, pp. 116–120.

Figures

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Eroding-type thermocouple (top) and the method of fitting into a barrel (bottom)
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Typical temperature-time curve measured at the commencement of rifling (top) and the corresponding heat transfer-time curve (bottom)
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Maximum bore temperature for charge N and M fired in unheated barrels (top) and in barrels pre-heated to about 120°C (bottom)
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Heat transfer per round for charge N and M fired into unheated barrels (top) and into barrels preheated to about 120°C (bottom)
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Wear characteristics of propellant SC showing the marked influence of maximum bore temperature
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Influence of rate of fire on the number of rounds to cook-off when firing charge N and M
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Influence of Swedish additive on heat transfer at the commencement of rifling of a 40 mm Bofors gun
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Influence of Swedish additive on breech pressure and maximum bore temperature for four consecutive rounds (40 mm Bofors gun firing 0.17 kg of WM10)
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Influence of calcium carbonate, titanium dioxide, and talc on the maximum bore temperature in a 30 mm RARDEN cannon

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