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Marine icing observed on KV Nordkapp during a cold air outbreak with a developing polar low in the Barents sea. 

Samuelsen, Eirik Mikal; Løset, Sveinung; Edvardsen, Kåre (Journal article; Tidsskriftartikkel; Peer reviewed, 2015-06)
Marine icing is a phenomenon that may occur for temperatures below subfreezing where sea spray either is lofted from the sea surface or being generated by waves interacting with a ship or a structure. On a voyage from Tromsø to the waters east of Bjørnøya late February 1987, the Norwegian Coast Guard vessel KV Nordkapp experienced heavy icing due to a polar low that raged over these waters during ...
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Infrared Detection for Anti-Icing Systems in Ship Operations 

Rashid, Taimur; Khawaja, Hassan Abbas; Edvardsen, Kåre (Conference object; Konferansebidrag, 2014)
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Ice Detection Setup Using Infrared and Active Heating 

Rashid, Taimur; Khawaja, Hassan Abbas; Edvardsen, Kåre (Conference object; Konferansebidrag, 2015)
Considering the cold environment operations, ice accretion can occur at a rapid pace and can adversely affect the operations. In such scenario, ice detection is useful for the ice mitigation and removal upon the marine and offshore structures. Various techniques exist in the literature to detect the icing mainly utilizing its physical or electromagnetic properties. The parameters measured by these ...
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Measuring the Sea Spray Flux using High-Speed Camera 

Johansen, Jarle André; Edvardsen, Kåre; Sharma, Puneet; Khawaja, Hassan Abbas (Conference object; Konferansebidrag, 2015-12-10)
The sea spray contains water droplets that are produced due to sea waves that collide with the marine structures as well as the breaking of waves due to the strong winds. Similarly, fog and precipitation at sea level may contribute to the phenomenon of sea spray containing water droplets of minuscule sizes. Wind characteristics (speed and direction) also has a direct influence on the speed of water ...
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Determination of Thermal Properties of Fresh Water and Sea Water Ice using Multiphysics Analysis 

Rashid, Taimur; Khawaja, Hassan Abbas; Edvardsen, Kåre (Journal article; Tidsskriftartikkel; Peer reviewed, 2016-08-29)
This paper presents a methodology to determine the thermal conductivity of ice using multiphysics analysis. This methodology used a combination of both experimentation and numerical simulation. In the experimental work, an ice block is observed using an infrared camera. The results reveal the variation in temperature over the surface. These results are dependent on two primary heat transfer parameters, ...
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Multiphysics Simulation of Infrared Signature of an Ice Cube 

Khawaja, Hassan Abbas; Rashid, Taimur; Eiksund, Oddmar; Broadal, Eivind; Edvardsen, Kåre (Journal article; Tidsskriftartikkel; Peer reviewed, 2016-08-29)
This paper presents numerical methodologies to simulate the Infrared (IR) signature of an ice cube. The ice was frozen in a cold environment (-28<sup>o</sup>C) and allowed to have uniform temperature throughout. It was then taken out and let to warm at room temperature conditions by means of natural convection. A 3D transient heat equation is solved using three different methodologies. In the first ...
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Ice Detection of Pure and Saline Ice Using Infrared Signature 

Rashid, Taimur; Khawaja, Hassan Abbas; Edvardsen, Kåre (Journal article; Tidsskriftartikkel; Peer reviewed, 2016-11-30)
The paper shows the possible implementation of an Infrared (IR) ice detection technique. In respect of safety in marine operations, saline ice detection can be significant for automated de-icing systems. Experimentation is performed to observe and detect saline and pure ice samples. The discussed detection mechanism is unique and differs from passive IR detection by introducing the self-heating ...
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Multi-fluidic Simulation using Multiphysics tools: Case Study on a LNG Plant 

Khawaja, Hassan Abbas; Schive, Tor; Edvardsen, Kåre (Conference object; Konferansebidrag, 2014)
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Infrared Thermal Signature Evaluation of a Pure Ice Block 

Rashid, Taimur; Khawaja, Hassan Abbas; Edvardsen, Kåre; Mughal, Umair Najeeb (Conference object; Konferansebidrag, 2015-08-23)
Marine operations in cold climates are subjected to heavy ice accretion, which can lead to heavy ice loads causing safety concerns. Atmospheric and sea spray icing can cause severe ice accretion on structures. Ice detection over the relatively larger surface area of marine platforms and vessels could be significant for ice mitigation and its removal in cold climates. A thermal ice signature ...
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Multiphysics Simulation of Infrared Signature of an Ice Cube 

Khawaja, Hassan Abbas; Rashid, Taimur; Eiksund, Oddmar; Brodal, Eivind; Edvardsen, Kåre (Peer reviewed; Conference object; Konferansebidrag, 2015-12-11)
This poster presents the Multiphysics numerical methodologies used to simulate the Infrared (IR) signature of an ice cube when taken out of the cold environment (-28 C) and allowed to warm at room temperature conditions by means of natural convection. The ice cube is chosen to simplify the geometry. The cubical geometry can be discretized simply and hence allows easy application of Multiphysics ...
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Filter by Date Issued2016 (3)2015 (7)2014 (2)Filter by Document TypeConference object (7)Konferansebidrag (7)Peer reviewed (6)Journal article (4)Tidsskriftartikkel (4)Filter by Author
Edvardsen, Kåre (12)
Khawaja, Hassan Abbas (11)Rashid, Taimur (9)Eiksund, Oddmar (2)Mughal, Umair Najeeb (2)Broadal, Eivind (1)Brodal, Eivind (1)Johansen, Jarle André (1)Løset, Sveinung (1)Samuelsen, Eirik Mikal (1)... View More
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