Blar i Institutt for maskin- og marinfag på dokumenttype "Journal article"

Viser treff 41-60 av 97

    • Influence of Particle Size Distribution on the Optical Properties of Fine-Dispersed Suspensions 

      Kuzmenkov, Dmitrii; Struchalin, Pavel; Litvintsova, Yulia; Delov, Maksim; Skrytnyy, Vladimir; Kutsenko, Kirill (Peer reviewed; Journal article, 2022)
      Nanofluids have great potential for solar energy harvesting due to their suitable optical and thermophysical properties. One of the promising applications of nanofluids is utilization in solar collectors with the direct ...

    • Innovative alternatives for repowering offshore wind farms 

      He, Wei; Grant, Richard John; Baden, Victoria; Suntharalingam, Jarani (Peer reviewed; Journal article, 2020)
      To deliver a climate neutral Europe by 2050 there is an unprecedented urgency to decarbonise Europe’s electricity supply. The offshore wind industry is gearing up to this challenge with an increase in the rate at which ...

    • Instruments of identification of hydraulic components potential failures 

      Fabiś-Domagała, Joanna; Filo, Grzegorz; Momeni, Hassan; Domagala, Mariusz (Journal article; Peer reviewed, 2018)
      This paper presents an analysis of potential failures of hydraulic components on the example of a hydraulic gear pump with the use of instruments of quality management. The “five why” method was implemented to evaluate ...

    • Investigation of nanofluids in alkaline electrolytes: Stability, electrical properties, and hydrogen production 

      Wei, Shihao; Balakin, Boris; Kosinski, Pawel Jan (Peer reviewed; Journal article, 2023)
      Utilizing solar energy efficiently and manufacturing hydrogen economically are the primary goals in the energy industry. In this paper, we present a novel method to solve both issues by exploiting the electrolysis of ...

    • A Kinematic Variable for Analyzing Snake Robot Dynamics 

      Rykkje, Thorstein Ravneberg; Impelluso, Thomas (Peer reviewed; Journal article, 2024)
      This paper presents a modern mathematical method to analyze snake robot dynamics. The method is rooted in three facets of contemporary mathematics: Cartan’s concept of endowing all moving bodies with their own reference ...

    • Lab-scale measurements of wind farm blockage effects 

      Bartl, Jan Michael Simon; Aasnæs, Camilla Hamre; Bjørnsen, Joakim Rinke; Stenfelt, Gloria; Lande-Sudall, David Roger (Peer reviewed; Journal article, 2022)
      The inflow an individual wind turbine experiences in a farm layout is strongly dependent on flow interaction effects with the turbines surrounding it. In addition to the well-known wake flows, lateral and upstream flow ...

    • Layout and yaw optimisation of an offshore wind farm through analytical modelling 

      Sukhman, Daniel; Lück, S.; Göing, J.; Bartl, Jan Michael Simon; Hansen, Thomas Henrik Hertzfelder; Stenfelt, Gloria Maria; Friedrichs, J. (Peer reviewed; Journal article, 2023)
      In this work, a computational tool for analytical large scale modelling of offshore wind farms is presented. Using Horns Rev 1 as a reference baseline, an optimal layout and yaw angle setting for one wind direction based ...

    • LEAN Production issues in the organization of the company - results 

      Mazur, Magdalena; Momeni, Hassan (Journal article, 2019)
      The key to the functioning of enterprises in today's market is the concept of flexibility, which is mainly associated with adapting to very dynamically changing customer requirements. The basis for this approach is, among ...

    • Linear Modelling of the Mass Balance and Energy Demand for a Recirculating Aquaculture System 

      Ayuso Virgili, Gerard; Jafari, Leila; Lande-Sudall, David; Lümmen, Norbert (Peer reviewed; Journal article, 2023)
      This work seeks to understand the predominant drivers affecting energy demand for a recirculating aquaculture system (RAS) by developing a numerical model in Matlab coupled with Aspen HYSYS and validating against measurement ...

    • Local and global assessments of a subsea riser-spool connection under dropped impact loads 

      Liu, Zhenhui; Igland, Ragnar; Bruaseth, Sindre (Peer reviewed; Journal article, 2021)
      Subsea riser tube and spool is often used together to connect the riser of jacket to flowline or pipeline. Due to its limited size (less than 200 m), the location is within the lifting zones of the platform. Consequently, ...

    • Magnetic enhancement of photothermal heating in ferrofluids 

      Balakin, Boris V; Kutsenko, Kirill V. (Journal article; Peer reviewed, 2018)
      Abstract. This contribution describes a multiphase CFD model, capable of simulating convective mass and heat transfer in a ferrofluid. The model was used for a parametric analysis of thermomagnetic convection, demonstrating ...

    • Materials and simulation modelling of a crash-beam performance - A comparison study showing the potential for weight saving using warm-formed ultra-high strength aluminium alloys 

      Schlosser, Julian; Schneider, Robert; Rimkus, Wolfgang; Kelsch, Reiner; Gerstner, Florian; Harrison, David K.; Grant, Richard J. (Journal article; Peer reviewed, 2017)
      Forming complex parts out of high and ultra-high strength aluminium alloys has proved to be more challenging in comparison to the currently used deep drawing steels. The novel "Warmforming-Process" offers the potential to ...

    • Matrix Fmea Analysis as a Preventive Method for Quality Design of Hydraulic Components 

      Fabiś-Domagała, Joanna; Momeni, Hassan; Domagala, Mariusz; Filo, Grzegorz (Journal article, 2019)
      Preventive methods are important group of methods used in the process of design and which are known as quality design methods. The aim of these methods is identification of potential failures and cause-and-effect relationships ...

    • Matrix FMEA Analysis of the Flow Control Valve 

      Fabis-Domagala, Joanna; Momeni, Hassan; Domagala, Mariusz; Filo, Grzegorz; Bikass, Saeed; Lempa, Paweł (Journal article, 2019)
      Reliability is a key feature in engineering systems and might be improved by using preventive methods, which allows for identification potential failures and establishing cause-and-effect relationships in consistent and ...

    • A Matrix FMEA Analysis of Variable Delivery Vane Pumps 

      Fabis-Domagala, Joanna; Domagala, Mariusz; Momeni, Hassan (Peer reviewed; Journal article, 2021)
      Hydraulic systems are widely used in the aeronautic, machinery, and energy industries. The functions that these systems perform require high reliability, which can be achieved by examining the causes of possible defects ...

    • Mechanical and Microstructural Analysis of Friction Surfaced Aluminum Coatings on Silicon Nitride Ceramic Substrates 

      Atil, Hasan B.; Leonhardt, Matthias; Grant, Richard John; Barrans, Simon (Peer reviewed; Journal article, 2022)
      The lack of suitable techniques for joining Si3N4 ceramics with metals has limited the usage of this otherwise outstanding material for composite applications. In this study, aluminum AlMgSi0.5 (EN AW-6060) was coated onto ...

    • Microstructural and interface properties of aluminium alloy coatings on alumina applied by friction surfacing 

      Atil, Hasan B.; Leonhardt, Matthias; Grant, Richard John; Barrans, Simon (Peer reviewed; Journal article, 2023)
      Two large groups of materials, namely metals and ceramics, are used in mass quantities in today’s industry because of their outstanding properties. To achieve higher product performance dissimilar materials need to be ...

    • Modeling Water Droplet Freezing and Collision with a Solid Surface 

      Shayunusov, Doston; Eskin, Dmitry; Balakin, Boris; Chugunov, Svyatoslav; Johansen, Stein Tore; Akhatov, Iskander (Journal article; Peer reviewed, 2021)
      Water droplets released from the sea surface represent one of the major causes of ice accretion on marine vessels. A one-dimensional model of the freezing of a spherical water droplet moving in cold air was developed. The ...

    • Modelling of a bluff-body stabilised premixed flames close to blow-off 

      Amzin, Shokri; Mohd Yasin, Mohd Fairus (Peer reviewed; Journal article, 2021)
      As emission legislation becomes more stringent, the modelling of turbulent lean premixed combustion is becoming an essential tool for designing efficient and environmentally friendly combustion systems. However, to predict ...

    • Modelling of Conditional Scalar Dissipation Rate in Turbulent Premixed Combustion 

      Amzin, Shokri; Domagała, Mariusz (Journal article; Peer reviewed, 2021)
      In turbulent premixed flames, for the mixing at a molecular level of reactants and products on the flame surface, it is crucial to sustain the combustion. This mixing phenomenon is featured by the scalar dissipation rate, ...