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Research Bulletin by RS

Dynamic strength estimation of a line thrower's pneumatic valve
Authors: V.V. Yeliseev, V.A. Piskunov


The paper addresses the strength analysis of a pneumatic line-thrower gate. We use the analytical methods of the theory of rods and shells complemented by computer mathematics. The impact of the valve cap on the guide occurring during the operation of the device is described by the layer and half-space models. In the first part of the article we consider elastic oscillations and waves arising during the valve elements collisions. The special attention is paid to the valve cap in the second part of the study. We model its oscillations using the calculation scheme for the shell of revolution. The wave processes simulation is done by using the models of rods of variable cross-section. As a result of the computation important data about the force and impact time of the valve cap and the guide have been obtained. The maximal stresses in the cone shell model of the valve cap are determined.

Keywords: strength, impact longitudinal waves, operational method, differential-difference method, shell of revolution, Lagrange equations, computer mathematics.


1. Eliseev V.V., Piskunov V.A. Rescue line-throwers: mathematical modeling and experimental research. Izvestiya Samarskogo nauchnogo tsentra RAN [Proceedings of the Samara Scientific Center of the Russian Academy of Sciences]. 2016, vol. 18, 1(2), pp. 205-209. (In Russian)

2. Shunkov V. N. Gazovoe i pnevmaticheskoe oruzhie [Gas and pneumatic guns]. Minsk, Popurri Publ., 2004, 499 p.

3. Trofimov V.N. Pnevmaticheskoe oruzhie [Pneumatic guns]. Moscow, DAIRS Publ., 2006, 175 p.

4. Piskunov V.A., Eliseev V.V. [Experimental study of processes in pneumatic line-thrower]. Nedelya Nauki SPbPU: materialy nauchnogo foruma s mezhdunarodnym uchastiem. IMMiT. Chasf 1 [Proc. Int. Scien. Forum. Week Science SPbPU. IMMiT. Part 1]. St. Petersburg, SPbPU Publ., 2015, pp. 60-62. (In Russian)

5. Piskunov V.A., Eliseev V.V. [Test rig for pneumatic line-thrower]. Nedelya nauki SPbPU: materialy nauchnogo foruma s mezhdunar-odnym uchastiem. Luchshie doklady. [Proc. Int. Scien. Forum. Week Science SPbPU. The Best Reports]. St. Petersburg, SPbPU Publ., 2016, pp. 74-79. (In Russian)

6. Piskunov V.A., Eliseev V.V. [Determination of effective properties of composite of pneumatic line-thrower valve]. Nedelya nauki SPbPU: materialy nauch.-prakt. konf. IMMiT, chasf 1. [Proc. Int. Scien. Conf. "Week Science SPbPU". IMMiT. Part 1]. St. Petersburg, SPbPU Publ., 2014, pp. 82-85. (In Russian)

7. Kravchuk A.S., Mayboroda VP, Urzhumtsev Yu.S. Mekhanika polimernykh i kompozitsionnykh materialov: eksperimental'nye i chislennye metody [The mechanics of polymer and composite materials: experimental and numerical methods]. Moscow, Nau-ka Publ., 1985, 304 p.

8. Eliseev V.V. Mekhanika uprugikh tel [Mechanics of Elastic Bodies]. St. Petersburg, SPbPU Publ., 2003, 336 p.

9. Timoshenko S.P., Gud'er Dzh. Teoriya uprugosti [Theory of elasticity]. Moscow, Nauka Publ., 1979, 560 p.

10. Panovko Ya.G Vvedenie v teoriyu mekhanicheskogo udara [Introduction to Theory of mechanical shock]. Moscow, Nauka Publ., 1977, 224 p.

11. Kirtyanov D.V [Mathcad 14]. St. Petersburg, BKhV-Peterburg Publ., 2007, 704 p. (In Russian)

12. Tikhonov A.N., Samarskiy A.A. Uravneniya matematicheskoy fiziki [Equations of mathematical physics]. Moscow, Nauka Publ., 1972,735 p.

13. Dech G. Rukovodstvo k prakticheskomu primeneniyu preobrazo-vaniya Laplasa i Z-preobrazovaniya [Guide to the practical application of the Laplace transform and Z-transform]. Moscow, Nauka Publ., 1971, 288 p.

14. Biderman V.L. Mekhanika tonkostennykh konstruktsiy [Mechanics of thin-walled structures]. Moscow, Mashinostroenie Publ., 1977, 488 p.

15. Belyaev A.K., Eliseev V.V, Kalashnikov S.V. Dynamics of flexible shaft in rigid tube. Vestnik Permskogo natsional'nogo issledova-tel'skogo politekhnicheskogo universiteta. Mekhanika [PNRPU Mechanics Bulletin]. 2015, 4, pp. 7-18. (In Russian)

16. Eliseev V.V, Moskalets A.A., Oborin E.A. One-dimensional models in turbine blades dynamics. Spravochnik. Inzhenernyy zhurnal s prilozheniem [Handbook. An Engineering journal with appendix]. 2015, 8, pp. 21-25. (In Russian)

About authors

Yeliseev Vladimir - DSc, Peter the Great St. Petersburg Polytechnic University,29, Polytechnicheskaya st., 195251, St.Petersburg, Russia, e-mail:

Piskunov Vladimir - Peter the Great St. Petersburg Polytechnic University,29, Polytechnicheskaya st., 195251, St.Petersburg, Russia, e-mail:

Issue: 46/47 (2017)

For citation:V.V. Yeliseev, V.A. Piskunov.Dynamic strength estimation of a line thrower's pneumatic valve. Research Bulletin by Russian Maritime Register of Shipping. 2017, No. 46/47, pp. 51-56.

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UDC:  621.5.09
Pages:  51-56
Article (.pdf):  Download

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