Geodesic
Study of force impact on a flat boundless barrier when activating a gas generator under water
Čelâbinskij fiziko-matematičeskij žurnal, Tome 4 (2019) no. 1, pp. 59-64

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The article aims to solve the problem of determination of a pressure field in liquid and a power load on elements of an object and test equipment at experimental tryout of underwater objects movement. The design procedure of a pressure field determination on a flat barrier from the moment of underwater activation of a gas generator to touching of the barrier by a bubble is given. The barrier is replaced by a symmetrically arranged bubble of liquid and the problem is reduced to analyzing movement of two spheres with varying radius and gas mass inside, flow potential in this case has the form of the Legendre polinomials combination. A law of a gas bubble evolution is derived, similar to the Rayleigh equation; gas mass in the bubble is defined according to the Saint-Venant equation. Pressure distribution on a barrier is found using the Cauchy — Lagrange integral. The developed methodology offers the possibility to evaluate loads on a moving object and a test bench at the gas generator activation.
Keywords: gas generator, pressure distribution in liquid, experimental qualification. 
@article{CHFMJ_2019_4_1_a4,
     author = {I. I. Valov and Yu. P. Kabanov},
     title = {Study of force impact on a flat boundless barrier when activating a gas generator under water},
     journal = {\v{C}el\^abinskij fiziko-matemati\v{c}eskij \v{z}urnal},
     pages = {59--64},
     publisher = {mathdoc},
     volume = {4},
     number = {1},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CHFMJ_2019_4_1_a4/}
}
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I. I. Valov; Yu. P. Kabanov. Study of force impact on a flat boundless barrier when activating a gas generator under water. Čelâbinskij fiziko-matematičeskij žurnal, Tome 4 (2019) no. 1, pp. 59-64. http://geodesic.mathdoc.fr/item/CHFMJ_2019_4_1_a4/