Recent additions

  • Asymptotics of a spectral-sieve problem 

    Amirat, Youcef; Bodart, Olivier; Chechkin, Gregory; Piatnitski, Andrey (Peer reviewed, 2015-11-18)
    In a bounded domain with a thin periodically punctured interface we study the limit behavior of the bottom of spectrum for a Steklov type spectral problem, the Steklov boundary condition being imposed on the perforation ...
  • Osmosis for non-electrolyte solvents in permeable periodic porous media 

    Heintz, Alexei; Piatnitski, Andrey (Peer reviewed, 2016-08)
    The paper gives a rigorous description, based on mathematical homogenization theory, for flows of solvents with not charged solute particles under osmotic pressure for periodic porous media permeable for solute particles. ...
  • Singularly perturbed spectral problems with Neumann boundary conditions 

    Piatnitski, Andrey; Rybalko, A; Rybalko, V (Peer reviewed, 2015-09-07)
    The paper deals with the Neumann spectral problem for a singularly perturbed second-order elliptic operator with bounded lower order terms. The main goal is to provide a refined description of the limit behaviour of the ...
  • Homogenization of random Navier–Stokes-type system for electrorheological fluid 

    Piatnitski, Andrey; Zhikov, Vasily (Peer reviewed, 2015-11-19)
    The paper deals with homogenization of Navier–Stokes-type system describing electrorheological fluid with random characteristics. Under non-standard growth conditions we construct the homogenized model and prove the ...
  • Welding Certification for Autonomous Robotized Welding 

    Sziebig, Gabor; Maske, Thomas (Chapter, 2016-10-23)
    The increased production of more and more complex products challenges the accuracy of manual welding, and increase the time it takes to program automatic welding systems. The main objective for the article is to explore ...
  • SMEs challenges and needs in relation to innovation agendas and strategies 

    Ericson, Åsa; Holmqvist, Johan; Wenngren, Johan; Kaartinen, Heidi; Solvang, Wei Deng (Chapter; Conference object; Konferansebidrag, 2016-06-21)
    Regional research project are, as is also regional industry, highly need-based. That is, understanding the stakeholders’ (or customers’) real challenges and related needs is important. This study is based on interviews ...
  • Detection of red dye in diesel oil using UV-absorption and silicon photo detector 

    Varughese, Bindu Sara (Conference object; Konferansebidrag, 2016-12-08)
    Developing a sensitive and effective instrument for detecting the presence of red dye in diesel fuel is very advantageous for governments in preventing tax loss by controlling illegal use of the diesel fuel. The objective ...
  • A note on the maximal operators of Vilenkin-Nörlund means with non-increasing coefficients 

    Memić, Nacima; Persson, Lars Erik; Tephnadze, George; Kroo, A (Peer reviewed, 2016)
    In [14] we investigated some Vilenkin—Nörlund means with non-increasing coefficients. In particular, it was proved that under some special conditions the maximal operators of such summabily methods are bounded from the ...
  • Multiphysics based Numerical Study of Atmospheric Ice Accretion on a Full Scale Horizontal Axis Wind Turbine Blade 

    Virk, Muhammad Shakeel; Mughal, Umair Najeeb; Hu, Q; Jiang, X (Journal article; Tidsskriftartikkel; Peer reviewed, 2016-08)
    Atmospheric icing on wind turbines have been recognized as a hindrance to the development of the wind power in cold regions, where uncertainty surrounding the effects of icing on energy production may prevent otherwise ...
  • Boundedness and compactness of a class of Hardy type operators 

    Abylayeva, AAkbota M; Oinarov, Ryskul; Persson, Lars Erik (Journal article; Tidsskriftartikkel; Peer reviewed, 2016-12-13)
    We establish characterizations of both boundedness and of compactness of a general class of fractional integral operators involving the Riemann-Liouville, Hadamard, and Erdelyi-Kober operators. In particular, these results ...
  • Influence of local and regional air pollution on atmospheric measurements in Ny-Ålesund 

    Dekhtyareva, Alena; Edvardsen, Kåre; Holmén, Kim; Hermansen, Ove; Hansson, Hans-Christen (Journal article; Tidsskriftartikkel; Peer reviewed, 2016)
    The Zeppelin observatory is a research station near the village Ny-Ålesund in Svalbard. The facility delivers data to international projects devoted to high data quality monitoring of the background air pollution in the ...
  • Experimental validation of icing rate using rotational load 

    Mughal, Umair Najeeb; Virk, Muhammad Shakeel; Kosugi, Kenji; Mochizuki, Shigeto (Peer reviewed, 2016-04-16)
    Icing load and icing rate are necessary feedback variables for an intelligent anti/de-icing systemtowork effectively in harsh cold environment of high north. These parametersmay be measured by axial loadings or by ...
  • Multiphysics Based Design Study of an Atmospheric Icing Sensor 

    Mughal, Umair Najeeb; Virk, Muhammad Shakeel; Mustafa, Mohamad (Peer reviewed, 2016)
    A design study of an atmospheric icing sensor is presented in this article. The proposed design of the sensor is aimed to detect an atmospheric icing event, to determine ice type as well as to measure icing load, icing ...
  • Integrated Oxyfuel Power Plant with Improved CO2 Separation and Compression Technology for EOR application 

    Font Palma, Carolina; Errey, Olivia; Corden, Caroline; Chalmers, Hannah; Lucquiaud, Mathieu; Saez, Maria Sanchez del Rio; Jackson, Steven; Medcalf, D; Livesey, B; Gibbins, Jon; Pourkashanian, M (Peer reviewed, 2016-06-25)
    An integrated advanced supercritical coal-fired oxyfuel power plant with a novel cryogenic CO2 separation and compression technology for high purity CO2 to suit injection for enhanced oil recovery purposes is investigated. ...
  • A Goal Programming Approach for Green Supply Chain Network Optimization 

    Yu, Hao; Solvang, Wei Deng; Solvang, Bjørn (Chapter, 2016-10)
    Green supply chain management has been focused by both academicians and practitioners in recent years due to the increased public awareness on environmental problems and sustainable development. In this paper, a decision ...
  • A general reverse logistics network design model for product reuse and recycling with environmental considerations 

    Yu, Hao; Solvang, Wei Deng (Peer reviewed, 2016-04-02)
    Reverse logistics is believed to be one of the most promising solutions for capturing the remaining values from used products and has been extensively focused by both academics and practitioners during the past two decades. ...
  • Modelled and observed sea-spray icing in Arctic-Norwegian waters 

    Samuelsen, Eirik Mikal; Edvardsen, Kåre; Graversen, Rune (Peer reviewed, 2016-11-15)
    Hazardous marine icing is a major concern for ships operating in Arctic waters during freezing conditions. Sea spray generated by the interaction between a ship and ocean waves is the most important water source in these ...
  • Thaw Penetration in Frozen Ground Subjected to Hydronic Heating 

    Sveen, Svein Erik; Nguyen, Hung Thanh; Sørensen, Bjørn Reidar (Peer reviewed, 2016-09-22)
    To facilitate excavation and foundation work in seasonally freezing or permafrost regions, the frozen soil must be thawed, either by natural (solar) thawing, or by artificial thawing where an auxiliary heat source is ...
  • Biogas from Organic Waste - A Case Study 

    Mustafa, Mohamad; Calay, Rajnish K; Roman, Elisabeth (Peer reviewed, 2016-07-01)
    This paper presents a case study to investigate the potential for upgrade of a bio-waste treatment plant. The paper also discusses development potentials in order to optimize the plant for maximum energy and environmental ...
  • Some sharp inequalities for integral operators with homogeneous kernel 

    Lukkassen, Dag; Persson, Lars Erik; Samko, Stefan G. (Peer reviewed, 2016-04-09)
    One goal of this paper is to show that a big number of inequalities for functions in Lp(R+), p ≥ 1, proved from time to time in journal publications are particular cases of some known general results for integral operators ...

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