A benchmark test of ship resistance in extremely shallow water

Conference paper (2018)

Authors

Q. Zeng Ship Design, Production and Operations - Mechanical, Maritime and Materials Engineering
C.H. Thill Ship Hydromechanics and Structures - Mechanical, Maritime and Materials Engineering
R.G. Hekkenberg Ship Design, Production and Operations - Mechanical, Maritime and Materials Engineering
Research Group
Ship Design, Production and Operations (Mechanical, Maritime and Materials Engineering) (TU Delft)
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Published Date

2018

Language

English

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Faculty

Mechanical, Maritime and Materials Engineering

Department

Marine and Transport Technology

Research Group

Ship Design, Production and Operations

Abstract

CFD (Computational Fluid Dynamics) calculations have been making
dramatic contributions to ship resistance prediction. Since the virtual
models used are always simplifications of the real ships and fluid,
results need to be validated by experiments. However, although a certain
number of model tests can be found, the publicly available resistance
tests in shallow to extremely shallow water (water depth-to-draft ratio
h/T ≤ 2.0) are rare. Therefore, to provide data for validation, a test
of an inland ship model in shallow water is performed in a towing tank.
Four shallow water depths are applied and one deep water case is added
for comparison. The uncertainties in this test are analyzed for the
measuring instruments as well as the resistance, trim and sinkage. This
test is motivated to provide the path for the ongoing research by the
authors on the improved prediction of ship resistance in shallow water
and enables the benchmark for other researchers, who investigate ship
resistance in extremely shallow water, with experimental data to
validate CFD calculations

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