LPG Tankers
LPG
General information
LPG Tankers have a capacity of up to 110,000m3, and an average overall length arond 120 m.
The design of today’s LPG tankers is characterised by a high speed and thus high propeller loading. This requires a low overall resistance and related good powering performance but also an excellent after body design, with a good flow towards the propeller(s) and rudder(s), without flow separation.
LPG tankers are mostly sailing with a traditional single screw propulsor.

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 investigated in our seakeeping basin where special attention is given to the sloshing loads in the tanks, which can become very high.

The Offshore Department investigates the offloading of LPG from a floating platform or FPSO to a LPG tanker.

The low and high speed manoeuvrability and controllability is a important issue that is tested on a regular basis in our basins. Due to the recent trend, in which the fore ship becomes slender and the aft ship full, special attention is needed on the steering capability.

The Nautical Centre MSCN offers training of the crew by simulating approach manoeuvres on a full size bridge. But also they can construct an operational window for the ship.

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

Facilities & Tools
LPG tankers are tested in the following MARIN facilities:

LPG tanker hull form Design Optimisation is performed with the aid of the following tools:

LPG tanker 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 company for which LPG tanker model and full scale tests were carried out at MARIN:

Commercial projects on behalf of:

  • ChevronTexaco
  • Hijos de J. Barreras
  • Shell International Oil Products
Most recent LPG Tanker related papers presented by MARIN:
(complete overview of papers can be found under Publications)

Proven concepts re-emerge in a new era of ultra large container ships
Patrick Hooijmans, MARIN Report, 2013

Retrofitting for energy savings and emissions reduction
Patrick Hooijmans, MARIN Report, 2013

Design for Sea - Design for Efficiency
Maarten Flikkema, MARIN Report, 2013

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

Ship Design for Minimal Fuel Consumption in Everyday Use
G.P.J.J. Hagesteijn, P.M. Hooijmans, Design and Operation of Tankers, 2011

Most recent LPG tanker articles written for MARIN Report:
(complete overview of articles can be found under Publications)

Proven concepts re-emerge in a new era of ultra large container ships
Patrick Hooijmans, MARIN Report, 2013

Retrofitting for energy savings and emissions reduction
Patrick Hooijmans, MARIN Report, 2013

Design for Sea - Design for Efficiency
Maarten Flikkema, MARIN Report, 2013

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

Ship Design for Minimal Fuel Consumption in Everyday Use
G.P.J.J. Hagesteijn, P.M. Hooijmans, Design and Operation of Tankers, 2011

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

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