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  • Study of Wind Chill Factor using Infrared Imaging 

    Ahmad, Tanveer; Rashid, Taimur; Khawaja, Hassan Abbas; Moatamedi, Mojtaba (Journal article; Tidsskriftartikkel; Peer reviewed, 2016-08-29)
    This paper presents a study of wind chill factor using infrared imaging. Wind chill factor is the cooling sensation due to the exposure of wind temperature environment. The wind chill factor depends on air temperature, ...
  • 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 ...
  • Review of the Phenomenon of Ice Shedding from Wind Turbine Blades 

    Xue, Hui; Khawaja, Hassan Abbas (Journal article; Tidsskriftartikkel; Peer reviewed, 2016-08-29)
    Wind power is a sustainable source of energy. However, there are certain challenges to be overcome. One of the operational challenges is the phenomenon of ice shedding. Icing happens on wind turbine blades in cold regions. ...
  • Investigation of Ice-PVC separation under Flexural Loading using FEM Analysis 

    Xue, Hui; Khawaja, Hassan Abbas (Journal article; Tidsskriftartikkel; Peer reviewed, 2016-08-29)
    This paper presents the FEM technique applied in the study of ice separation over a polyvinyl chloride (PVC) surface. A two layer model of ice and PVC is analysed theoretically using Euler-Bernoulli beam theory and the ...
  • 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, ...
  • A methodology for identification of suitable drilling waste handling systems in the Arctic region 

    Ayele, Yonas Zewdu; Barabadi, Abbas; Barabady, Javad (Journal article; Peer reviewed, 2016)
    As the demands to reduce the environmental impact of oil and gas operations increase in the Arctic region, the need to identify suitable waste handling systems become more essential. The aim of this paper is to propose a ...
  • Multiphysics investigation of Ice Adhesion over PVC surface 

    Xue, Hui; Khawaja, Hassan Abbas (Conference object; Konferansebidrag, 2015-12-10)
    This work investigates the ice over a PVC (polyvinyl chloride also known as ‘PVC’) surface as a two-layer laminate model. In this study, ice was frozen over a PVC surface and allowed to adhere. The built samples were ...
  • Multiphysicsbased Condition Monitoring of Composite Materials 

    Xue, Hui; Sharma, Puneet; Khawaja, Hassan Abbas (Conference object; Konferansebidrag, 2015-12-10)
    Composites are increasingly being used in products such as: automobiles, bridges, boats, drillships, offshore platforms, aircrafts and satellites. The increased usage of these composite materials and the fact that the ...
  • 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 ...
  • Ambient air quality and the effects of air pollutants on otolaryngology in Beijing 

    Zhang, Fengying; Xu, Jin; Zhang, Ziying; Meng, Haiying; Wang, Li; Lu, Jinmei; Wang, Wuyi; Kraft, Thomas (Journal article; Tidsskriftartikkel; Peer reviewed, 2015-07-09)
    Abstract To investigate temporal patterns, pollution concentrations and the health effects of air pollutants in Beijing we carried out time-series analyses on daily concentrations of ambient air pollutants and daily ...
  • Marine Icing and Anti/De-icing Systems 

    Rashid, Taimur; Khawaja, Hassan Abbas; Edvardsen, Kåre (Conference object; Konferansebidrag, 2015-12-10)
    Shipping operations are on the rise in the Arctic region. Due to these increased activities, maritime transport operations are encountering significant challenges with respect to the safety and reliability. These shipping ...
  • Evaluating Visual Saliency Algorithms: Past, Present and Future 

    Sharma, Puneet (Tidsskriftartikkel; Peer reviewed, 2015-09-01)
    With the introduction of compressed sensing (CS) theory, investigation into exploiting sparseness and optimizing compressive sensing performance has ensued. Compressed sensing is highly applicable to images, which naturally ...
  • Marine stewardship and complexity – How to enhance a better process of risk governance in the Norwegian area of the Arctic Ocean? 

    Nilsen, Aud Solveig; Hammer, Maria (Conference object; Konferansebidrag, 2016-01)
  • Infrared Thermal Signature Evaluation of a Pure Ice Block 

    Rashid, Taimur; Khawaja, Hassan Abbas; Edvardsen, Kåre; Mughal, Umair Najeeb (Conference object; Konferansebidrag, 2015)
    Abstract—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. ...
  • Infrared Thermal Signature Evaluation of a Pure and Saline Ice for Marine Operations in Cold Climate 

    Rashid, Taimur; Khawaja, Hassan Abbas; Edvardsen, Kåre; Mughal, Umair Najeeb (Peer reviewed, 2015)
    Marine operations in cold climates are subjected to abundant ice accretion, which can lead to heavy ice loads over larger surface area. For safe and adequate operations on marine vessels over a larger area, remote ice ...
  • 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 ...
  • An expert-based approach to production performance analysis of oil and gas facilities considering time-independent Arctic operating conditions 

    Naseri, Masoud; Barabady, Javad (Journal article, 2016-03)
    The availability and throughput of offshore oil and gas plants operating in the Arctic are adversely influenced by the harsh environmental conditions. One of the major challenges in quantifying such effects is lack of ...
  • Prediction of the long-term performance of green liquor dregs as a sealing layer to prevent the formation of acid mine drainage 

    Mäkitalo, Maria; Lu, Jinmei; Maurice, Christian; Öhlander, Björn (Journal article; Tidsskriftartikkel; Peer reviewed, 2015-10-08)
    One of the mining industry's main concerns is the management of waste rock and tailings generated by sulfide ore extraction. Upon exposure of atmospheric oxygen, iron sulfides oxidize generating acidity. Infiltrating water ...
  • Dynamic spare parts transportation model for Arctic production facility 

    Ayele, Yonas Zewdu; Barabadi, Abbas; Barabady, Javad (Journal article; Tidsskriftartikkel; Peer reviewed, 2015-09-14)
    Timely delivery of the required spare parts plays an important role in meeting the availability target and reducing the downtime of production facilities. Spare parts logistics is affected in complex ways while operating ...
  • Shipping oil from the Russian Arctic: Past experiences and future prospects 

    Bambulyak, Alexei; Sydnes, Are K.; Milakovic, Aleksandar-Sasa; Frantzen, Bjørn (Journal article; Tidsskriftartikkel; Peer reviewed, 2015-06)
    Transport of oil from Russian Arctic ports to Western markets was insignificant prior to 2002. In 2002, there was a major surge, with 5 million tonnes delivered westwards through the Barents Sea. By 2004, this had increased ...

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