...Abstract Abstract This paper describes the results of model tests carried out in ice and open water conditions to evaluate performance of the United States Coast Guard (USCG) Heavy Polar Icebreaker (HPIB) indicative design. The resistance, propulsion and manoeuvring performance in ice...

...Abstract Abstract Different kinds of offshore structures are designed and built to resist the scenarios of the arctic environment. This paper focuses on different ice load scenarios and the challenges for fixed offshore structures. Model test methods will be presented to assess the suitability...

...Abstract Abstract The paper addresses methods used to analyse full scale trials for performance determination of ships in ice. Furthermore uncertainties resulting from assumptions taken in the early stage when ice model tests are typically performed are discussed. In a first step the difference...

... of experiments with a 1/40 scaled DP vessel were conducted in various realistic managed ice conditions in the ice tank facility of OCRE-NRC in early 2015. This paper describes the preparation of managed ice field, the procedure of the model tests and the methodologies of data analysis. The physical...

...Abstract Abstract With a series of physical model tests performed during February to August 2016, Arctic towing operation was investigated while towing a Gravity Base Structure (GBS) in managed sea ice with varying parameters: ice concentration, floe size, towing speed and towing configuration...

... and quantification of wave ice interaction processes by theoretic models, satellite observation and field measurement campaigns. A model testing campaign with wave propagation into a solid ice field has been carried out in a 70m by 10m ice model basin. The wave parameters (length and height) were increased stepwise...

... utilization outside of the Baltic icebreaking season Arctia Offshore have been studied different kind of solutions during the last ten (10) years. Numerous meetings and planning with naval architects, model tests in ice tank and open water tank was made and during the spring 2015 we had final plans what would...

.... liquified natural gas model test offshore technology conference marine transportation ship requirement cargo containment system ice class notation reinforcement ice condition assistance freight & logistics services winterization icebreaker gas monetization main characteristic midstream...

... contact. Additionally the vessel may operate independently in case of an emergency release of the turret due to critical ice loads on the mooring system. To investigate the benefits and challenges of moored and heading controlled vessel a new test set-up for ice model tests was developed at HSVA...

... Arctic in 1969, the question rose, whether this could be modeled in smaller scale. SS Manhattan was the actual initialization for developing ice model tests to become a useful tool in modern shipbuilding. Since 1969 the testing methods and practices have changed and developed together with feedback from...

...-deck dimensioning for ice loads and various oil spill recovery functions. Also the open water characteristics of the trimaran hull have been studied in model tests. The trimaran concepts for light icebreaking in harbours and Baltic escort icecbreaker duties have been developed as separate conceptual...

... industry to validate the proposed concepts and feasibility studies. Apart from that, Numerical simulations may be beneficial to a certain extent to investigate the ice related problems, one can still not dispense with the execution of physical model tests. Worldwide there are only a limited number...

.... In response to a major oil company initiative, a conceptual design for a 75 person self-righting ARKTOS Amphibious Evacuation Craft suitable for operation in this region has been developed. As part of the ongoing design process, an extensive series of self-righting model tests have been carried out...

... Abstract The development of icebreaking ships started systematically in late 1960ies. That time also it came quite common to also perform model tests in ice. Model tests are used to make comparisons with alternative designs. Full-scale tests are used for two main purposes; to verify...

... the feasibility of thedesign. As one of the first steps of the design process ice model tests wereperformed at the Krylov Shipbuilding Research Institute (KSRI) to gain insightin the ice forces acting on the unit. During the model tests the model of theJBF Arctic was retained in a fixed position while being towed...

... lead them to begin a R&D study on the topic "wave propagation at marginal ice zone" through a French JIP (ref 1). The objective of this JIP is to analyse wave propagation at marginal ice zone by means of model tests in BGO FIRST. Firstly, this paper presents an overview of the knowledge...

... Abstract Some of the most promising concepts under evaluation for use as floating drilling platforms in Arctic offshore deepwater areas (water depth > 100 m) are floating caissons with downward breaking cones at the waterline. Model test results can be used to characterize loads under...