General information
LNG Tankers have a capacity of up to 140,000m3, but larger vessels with a capacity of 200,000m3 or more are under development. The design of today’s LNG 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.
Various interesting propulsion plants are possible for LNG tankers. Recent research at MARIN included the traditional single screw, twin gondola propulsion, podded propulsors and hybrid propulsors.
LNG Tankers have a capacity of up to 140,000m3, but larger vessels with a capacity of 200,000m3 or more are under development. The design of today’s LNG 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.
Various interesting propulsion plants are possible for LNG tankers. Recent research at MARIN included the traditional single screw, twin gondola propulsion, 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 accessed in our seakeeping basin and via our numerical toosl. Special attention is given to the sloshing loads in the tanks, which can become very high.
The Offshore Department investigates the offloading of LNG from a floating platform to a LNG tanker.
The low and high speed manoeuvrability and controllability are tested 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 Quantitave Safety Assessments of the nautical operations and Real-time simulations are carried out to reduce risks to a minimum.
The Trials & Monitoring Department is involved in full-scale measurements of ship performances, cavitation observation, pulse and loads measurements.
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 accessed in our seakeeping basin and via our numerical toosl. Special attention is given to the sloshing loads in the tanks, which can become very high.
The Offshore Department investigates the offloading of LNG from a floating platform to a LNG tanker.
The low and high speed manoeuvrability and controllability are tested 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 Quantitave Safety Assessments of the nautical operations and Real-time simulations are carried out to reduce risks to a minimum.
The Trials & Monitoring Department is involved in full-scale measurements of ship performances, cavitation observation, pulse and loads measurements.
Facilities & Tools
LNG tankers are tested in the following MARIN facilities:
LNG tankers are tested in the following MARIN facilities:
LNG tanker hull form Design Optimisation is performed with the aid of the following tools:
RAPID: Calculation of wave resistance and potential flow
PARNASSOS: Calculation of the viscous flow around ships hulls
DESP: Prediction of propulsive performance
PARNASSOS: Calculation of the viscous flow around ships hulls
DESP: Prediction of propulsive performance
LNG tanker behaviour is simulated with the following tools:
SURSIM: Calculation of ship manoeuvres
FREDYN: Seakeeping and Manoeuvring behaviour of ships in wind and waves
SHIPMO: Motions and seakeeping of ships
FREDYN: Seakeeping and Manoeuvring behaviour of ships in wind and waves
SHIPMO: Motions and seakeeping of ships
Experience
The list below gives a small overview of company for which LNG carrier model and full scale tests were carried out at MARIN:
Commercial projects on behalf of:
The list below gives a small overview of company for which LNG carrier model and full scale tests were carried out at MARIN:
Commercial projects on behalf of:
- Kværner Masa Yards
- Chantiers de L’Atlantique
- IZAR
- Hyundai
- Bluewater Energy Services
Joint Industry Projects:
- JIP for the development of a safe and reliable offloading system system for LNG from a FPLSO to a LNG tanker
- SAFE TUG JIP, Plays an important role in the accessibility and availability of LNG Terminals in ports and offshore
Most recent LNG Tanker related papers presented by MARIN:
(complete overview of papers can be found under Publications)
(complete overview of papers can be found under Publications)
The Effect of Wave Directionality on Low Frequency Motions and Mooring Forces
Olaf Waals (MARIN), OMAE Conference, Honolulu, 2009
On the Application of Advanced Wave Analysis in Shallow Water Model Testing (Wave Splitting)
Olaf Waals (MARIN), OMAE Conference, Honolulu, 2009
Motions and Mooring Loads of an LNG-Carrier Moored at a Jetty in a Complex Bathymetry
Otto Weiler (Deltares), Hans Cozijn (MARIN), Bas Wijdeven (Deltares), Stephane Le-Guennec (Total) and Francois Fontaliran (Yemen, OMAE Conference, Honolulu, 2009
Deriving mathematical manoeuvring models for bare hull ships using viscous-flow calculations
Toxopeus, S.L., Journal of Marine Science and Technology, 2008 (online) 2009 (print)
Large scale LNG Sloshing Model Tests
Tim Bunnik, Rene Huijsmans (MARIN), ISOPE Conference, Lisbon, 2007
Olaf Waals (MARIN), OMAE Conference, Honolulu, 2009
On the Application of Advanced Wave Analysis in Shallow Water Model Testing (Wave Splitting)
Olaf Waals (MARIN), OMAE Conference, Honolulu, 2009
Motions and Mooring Loads of an LNG-Carrier Moored at a Jetty in a Complex Bathymetry
Otto Weiler (Deltares), Hans Cozijn (MARIN), Bas Wijdeven (Deltares), Stephane Le-Guennec (Total) and Francois Fontaliran (Yemen, OMAE Conference, Honolulu, 2009
Deriving mathematical manoeuvring models for bare hull ships using viscous-flow calculations
Toxopeus, S.L., Journal of Marine Science and Technology, 2008 (online) 2009 (print)
Large scale LNG Sloshing Model Tests
Tim Bunnik, Rene Huijsmans (MARIN), ISOPE Conference, Lisbon, 2007
Most recent LNG tanker articles written for MARIN Report:
(complete overview of articles can be found under Publications)
(complete overview of articles can be found under Publications)
Pulling together in ROPES JIP
Henk van den Boom, MARIN Report, 2010
INPEX's eternal flame in Indonesian Arafura Sea
Jaap de Wilde, MARIN report, 2010
CFD for offshore applications
Arjan Koop & Guilherme Vaz, MARIN report, 2010
Tandem offloading of LNG by means of DP
Jorrit-JanSerraris, MARIN report, 2010
MARIN advances model thruster control technology
Haite van der Schaaf & Olaf Waals, MARIN report, 2009
Henk van den Boom, MARIN Report, 2010
INPEX's eternal flame in Indonesian Arafura Sea
Jaap de Wilde, MARIN report, 2010
CFD for offshore applications
Arjan Koop & Guilherme Vaz, MARIN report, 2010
Tandem offloading of LNG by means of DP
Jorrit-JanSerraris, MARIN report, 2010
MARIN advances model thruster control technology
Haite van der Schaaf & Olaf Waals, MARIN report, 2009
Contact
For more information on how MARIN can help your organisation with LNG tankers, please contact:
Merchant Vessel & Work Boat team at MerchantVessel@marin.nl
For more information on how MARIN can help your organisation with LNG tankers, please contact:
Merchant Vessel & Work Boat team at MerchantVessel@marin.nl