PRESENT-DAY APPROACHES TO FULL-SCALE TRIAL METHODS FOR DYNAMIC SHIP SQUAT DETERMINATION

  • Mikhail Y. Churin Volga State University of Water Transport, Nizhny Novgorod, Russia
  • Yuri V. Bazhankin Volga State University of Water Transport, Nizhny Novgorod, Russia https://orcid.org/0000-0001-8720-218X

Abstract

The article defines necessity to use ship squat when computing underkeel clearance. Review of full-scale trials methods for squat with the use of global navigational sattelite systems was made. Sources of method’s errors were analyzed and its values were evaluated. Justification of necessity to ajust trial methods has been given, based on inland waterways emvironment condtions of Gorodets – Kstovo route and performance of GNSS in this area. The authors defined parameters to be measured during full-scale trials for the purpose of numerical methods improvement.

Keywords: full-scale trials, numerical method, squat, global navigational sattelite system altitude, accuracy of alltitude measure, accuracy of soundings, accurasy of speed towards water.

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Author Biographies

Mikhail Y. Churin , Volga State University of Water Transport, Nizhny Novgorod, Russia

Churin, Ph.D. in Technical Sciences, Associate Professor of the Ship Handling and Navigation Safety Department, Volga State University of Water Transport, 5, Nesterov st, Nizhny Novgorod, 603951, Russia, e-mail: dek_fso@vsuwt.ru

Yuri V. Bazhankin , Volga State University of Water Transport, Nizhny Novgorod, Russia

Bazhankin, Ph.D. in Technical Sciences, Associate Professor of the Ship Handling and Navigation Safety Department, Volga State University of Water Transport, 5, Nesterov st, Nizhny Novgorod, 603951, Russia, e-mail: dek_fsz@vsuwt.ru

Published
23-11-2020
How to Cite
Churin, M. Y., & Bazhankin, Y. V. (2020). PRESENT-DAY APPROACHES TO FULL-SCALE TRIAL METHODS FOR DYNAMIC SHIP SQUAT DETERMINATION. Russian Journal of Water Transport, (65), 165-176. https://doi.org/10.37890/jwt.vi65.137
Section
Operation of water transport, navigation and safety of navigation