Bulk Carrier
General information
Bulk Carriers are developed for a wide range of main particulars and capacity. Some bulk Carriers are smaller than 100 m but also large vessels with a capacity of 300,000m3 or more are under development. The design of today’s bulk carriers is generally characterised by a single screw type of vessel with a rather high block coefficient. For this type of vessel, special attention has to be paid to the design of the fore body (bulbous bow), resulting in good wave pattern, a low overall resistance and related good powering performance. Furthermore, an excellent afterbody design, with a good flow towards the propeller(s) and rudder(s), without flow separation is an important issue.
Large differences between design (loaded) draught and ballast draught have to be taken into account. The combination of single screw type of ship, high propeller loading, and rather pronounced wake field requires carefully checking of the risk for cavitation erosion and vibrations.
Various interesting propulsion plants are possible for oil tankers. Recent research at MARIN included the traditional single screw, podded propulsors and hybrid propulsors.

Services & Activities
MARIN is involved in the development of the hull design, the power optimisation and the cavitation, noise erosion observation.

The seakeeping performance in all weathers and all sea states is analysed by our numerical tools and MARINs unique Seakeeping and Manoeuving basin (SMB). Here we also analyse the the low and high speed manoeuvrability and controllability.

The Trials & Monitoring Department is involved in full-scale measurements of ship performances, cavitation observation, pulse and loads measurements.

Facilities & Tools
Bulk carriers are tested in the following MARIN facilities:
Bulk carrier hull form design optimisation is performed with the aid of the following tools:

Bulk carrier behaviour is simulated with the following tools: (MARIN internal use only)

Software Sales
Some software tools are available for commercial use outside MARIN. A complete overview of these software tools for sale can be found under Software Sales.

Experience
The list below gives a small overview of companies for which bulk carrier model and full scale tests were carried out at MARIN:

Commercial projects on behalf of:

Joint Industry Projects:

Most recent bulk carrier papers presented by MARIN
(complete overview of papers can be found under Publications)

MARIN examines effects of passing ships
Willemijn Pauw, MARIN Report, 2012

Full-scale squat measurements
Thijs Hasselaar, MARIN Report, 2011

Pulling together in ROPES JIP
Henk van den Boom, MARIN Report, 2010

Full scale wave and whipping induced hull girder loads
Aalberts P.J. and Nieuwenhuijs M.W., Hydroelasticity in Marine Technology, Wuxi, China, 2006

New JIP brings sea trials up to speed
Henk van den Boom, MARIN Report, 2005

Most recent bulk carrier articles written for MARIN Report
(complete overview of articles can be found under Publications)

MARIN examines effects of passing ships
Willemijn Pauw, MARIN Report, 2012

Full-scale squat measurements
Thijs Hasselaar, MARIN Report, 2011

Pulling together in ROPES JIP
Henk van den Boom, MARIN Report, 2010

Full scale wave and whipping induced hull girder loads
Aalberts P.J. and Nieuwenhuijs M.W., Hydroelasticity in Marine Technology, Wuxi, China, 2006

New JIP brings sea trials up to speed
Henk van den Boom, MARIN Report, 2005

Contact
For more information on how MARIN can help your organisation with bulk carriers, please contact Merchant Vessel & Work Boat team at MerchantVessel@marin.nl




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