DETERMINATION OF ELEMENTS AND CHARACTERISTICS OF RIVER SUCTION DREDGERS AT INITIAL DESIGN STAGES

  • Ernest G. Rumyantcev Volga State University of Water Transport, Nizhny Novgorod, Russia
  • Evgeniy P. Ronnov Volga State University of Water Transport, Nizhniy Novgorod, Russia

Abstract

The article provides a methodology for calculating the basic elements and characteristics of river dredgers at the stages of research design by means of the statistical method. For the study, the most common projects of river non-self-propelled dredgers with both a residential superstructure and without it, in a wide range of soil productivity, were used. The dependences of the total displacement and the main engine power on such basic technical data as suction dredger performance and loosening depth were analyzed in detail. Graphic dependencies and analytical expressions for determining the main suction dredger dimensions were obtained. The issue of choosing the length of the main dredger compartments is considered, which allows to solve the problem of pre-splitting the hull into compartments. The analysis of the accuracy of the obtained statistical dependencies for determining the length of the vessel is provided.

Keywords: suction dredger, dredger, main dimensions, length of hull compartments, mining of non-metallic materials, suction dredger performance, loosening depth

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Author Biographies

Ernest G. Rumyantcev , Volga State University of Water Transport, Nizhny Novgorod, Russia

Student of the Department of «Design and shipbuilding technology», Volga State University of Water Transport, 5, Nesterov st, Nizhny Novgorod, 603951, Russia, e-mail: rumernest@gmail.com 

Evgeniy P. Ronnov , Volga State University of Water Transport, Nizhniy Novgorod, Russia

Professor, Head of the Department of «Design and shipbuilding technology», Volga State University of Water Transport, 5, Nesterov st, Nizhny Novgorod, 603951, e-mail: ptps@vgavt-nn.ru

Published
10-03-2020
How to Cite
Rumyantcev, E. G., & Ronnov, E. P. (2020). DETERMINATION OF ELEMENTS AND CHARACTERISTICS OF RIVER SUCTION DREDGERS AT INITIAL DESIGN STAGES. Russian Journal of Water Transport, (62), 71-80. https://doi.org/10.37890/jwt.vi62.50
Section
Shipbuilding, ship repair, and ecological safety of the ship