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Computer-aided design the spherical helical platform intended for the internal surface maintenance of spherical tanks

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, , Citation N V Dyakonov and A G Yanishevskaya 2018 J. Phys.: Conf. Ser. 1050 012023 DOI 10.1088/1742-6596/1050/1/012023

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1 Omsk State Technical University, 11, Mira ave., Omsk, 644050, Russia

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1742-6596/1050/1/012023

Abstract

This paper presents the new construction - spherical helical platform and the method for obtaining spherical helical surface used in the desiging of new platforms. This platforms intended to serve an inner surface of the spherical tank. The mathematical models for external and internal contour of helical platform are presented in this paper. The outer and inner contours of the helical platform are obtained by intersecting the curve of the helicoid with the curves of the sphere and the ellipsoid.

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10.1088/1742-6596/1050/1/012023