NUMERICAL ANALYSIS OF MECHANICAL AND THERMAL STRESS IN THIN CYLINDRICAL TUBE UNDER INTERNAL GASEOUS DETONATION

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SHEIBANI E.; MIRZAEI M.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: Modares Mechanical Engineering Year:2013 | Volume:12 | Issue:5 Page(s): 112-121

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Title

NUMERICAL ANALYSIS OF MECHANICAL AND THERMAL STRESS IN THIN CYLINDRICAL TUBE UNDER INTERNAL GASEOUS DETONATION

Author(s)

SHEIBANI E. | MIRZAEI M. | Issue Writer Certificate

Keywords

PULSE DETONATION ENGINEQ2

VIBRATIONQ2

MECHANICAL STRESSQ2

THERMAL STRESSQ2

NUMERICAL SIMULATIONQ2

Abstract

Gaseous detonation in tubes produces moving pressure-thermal waves. A gaseous detonation consists of a shock wave and a reaction zone that are tightly coupled. The speed, pressure, and temperature of the products of detonation depend on the type and amount of the initial mixture. The maximum pressure of mechanical wave caused by detonation can be as high as 20-30 times the ambient pressure and temperature of gas in detonation may exceed 2000oC. The mechanical shock waves can cause oscillating strains in the tube wall, which can be several times higher than the equivalent static strains. On the other hand, the passage of the heat wave produces THERMAL STRESSes in the tube wall. In the current study the resulting mechanical and THERMAL STRESSes have been assessed using NUMERICAL SIMULATIONs. In practice, the mechanical and thermal displacements have been computed separately. Finally, the combined effects of mechanical and THERMAL STRESSes caused by gaseous detonation have been simulated.

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APA: Copy

SHEIBANI, E., & MIRZAEI, M.. (2013). NUMERICAL ANALYSIS OF MECHANICAL AND THERMAL STRESS IN THIN CYLINDRICAL TUBE UNDER INTERNAL GASEOUS DETONATION. MODARES MECHANICAL ENGINEERING, 12(5), 112-121. SID. https://sid.ir/paper/178018/en

Vancouver: Copy

SHEIBANI E., MIRZAEI M.. NUMERICAL ANALYSIS OF MECHANICAL AND THERMAL STRESS IN THIN CYLINDRICAL TUBE UNDER INTERNAL GASEOUS DETONATION. MODARES MECHANICAL ENGINEERING[Internet]. 2013;12(5):112-121. Available from: https://sid.ir/paper/178018/en

IEEE: Copy

E. SHEIBANI, and M. MIRZAEI, “NUMERICAL ANALYSIS OF MECHANICAL AND THERMAL STRESS IN THIN CYLINDRICAL TUBE UNDER INTERNAL GASEOUS DETONATION,” MODARES MECHANICAL ENGINEERING, vol. 12, no. 5, pp. 112–121, 2013, [Online]. Available: https://sid.ir/paper/178018/en

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