• A comprehensive scaling up technique for pneumatic transport systems 

      Ratnayake, Chandana (Doktoravhandlinger ved NTNU, 1503-8181; 2005:169, Doctoral thesis, 2005)
      The main objective of this investigation was to formulate a comprehensive scaling up technique for designing of pneumatic conveying systems by addressing the whole pipeline together with all accessories. Five different ...
    • A Computational Study of Surface to Bed Heat Transfer and Reactive Flows in Gas Fluidized Beds 

      Yusuf, Rahel (Doktoravhandlinger ved NTNU, 1503-8181; 2010:108, Doctoral thesis, 2010)
      This thesis presents the study of surface to bed heat transfer and reactive flows in dense phase gas-fluidized beds. The bulk of the thesis comprises of computational studies although some experimental work is also done ...
    • Adhesive bonding of aluminium 

      Johnsen, Bernt Brønmo (Doktoravhandlinger ved NTNU, 1503-8181; 2004:43, Doctoral thesis, 2004)
      In order to get approval of adhesive bonding as a reliable joining method in the automotive industry, a better understanding of the interfacial interactions between aluminium surfaces and adhesives is important. It is also ...
    • A generalized Critical Success Factor Process Model for Managing Offshore Development Projects in Norway 

      Dyrhaug, Qinli (Dr.ingeniøravhandling, 0809-103X; 2002:76, Doctoral thesis, 2002)
      Managing offshore development projects in Norway is no doubt a challenging task because such projects often involve large capital investments with risks under dynamic and complex environments. Project managers play a ...
    • A hydrological study concerning the southern slopes of Mt Kilimanjaro, Tanzania 

      Røhr, Paul Christen (Dr. ingeniøravhandling, 0809-103X; 2003:39, Doctoral thesis, 2003)
      The hydrological conditions on the southern slopes of Mt Kilimanjaro, Tanzania, are complex and not similar to very many other places. High annual precipitation with complex distribution patterns occurs on these slopes. ...
    • An alternative perspective on the role of applications of ICT systems for logistics 

      Sagegg, Odd Jøran (Doktoravhandlinger ved NTNU, 1503-8181; 2004:29, Doctoral thesis, 2004)
      Ever since the 1950s, manufacturing enterprises have been using computers to support the flow of materials throughout their business units. Improving logistics performance through applications of ICT4 systems has never ...
    • Analysing Complex Oil Well Problems through Case-Based Reasoning 

      Abdollahi, Jafar (Doktoravhandlinger ved NTNU, 1503-8181; 2007:225, Doctoral thesis, 2007)
      The history of oil well engineering applications has revealed that the frequent operational problems are still common in oil well practice. Well blowouts, stuck pipes, well leakages are examples of the repeated problems ...
    • Analysis of the two-fluid model and the drift-flux model for numerical calculation of two-phase flow 

      Munkejord, Svend Tollak (Doktoravhandlinger ved NTNU, 1503-8181; 2005:219, Doctoral thesis, 2006)
      Flerfasestrømning er av betydning i en lang rekke anvendelser, blant annet i olje- og gassindustrien, i den kjemiske og i prosessindustrien, inkludert i varmepumpende systemer, samt i sikkerhetsanalyse av kjernekraftverk. ...
    • A new dynamic void Growth Model 

      Liu, Jun (Doktoravhandlinger ved NTNU, 1503-8181; 2004:118, Doctoral thesis, 2004)
      This work develops a new void growth model which is capable of describing the deformation and fracture of ductile materials under dynamic loading conditions. A representative volume element (RVE) which consists of a ...
    • An Experimental Investigation of Velocity Distribution and Head Loss of Oscillatory Flow in a Rectangular Duct with Sand Roughness 

      Li, Pingju (Doktoravhandlinger ved NTNU, 1503-8181; 2004:4, Doctoral thesis, 2004)
      Frequency and amplitude dependency of velocity distribution and head loss of oscillatory flow in a rectangular duct have been studied experimentally with a model tunnel system. Tests were carried out with the duct of both ...
    • An Experimental Study of Oil/Water Flow in Horizontal Pipes 

      Elseth, Geir (Dr.ingeniøravhandling, 0809-103X; 2001:102, Doctoral thesis, 2001)
      The purpose of this thesis is to study the behaviour of the simultaneous flow of oil and water in horizontal pipes. In this connection, two test facilities are used. Both facilities have horizontal test sections with inner ...
    • An Experimental Study of Oil-Water Flow in Pipes 

      Kumara, W. Amaranath Sena (Doktoravhandlinger ved NTNU, 1503-8181; 2011:53, Doctoral thesis, 2011)
      The study reported in this thesis aims at improving the understanding of oil-water flows in horizontal and slightly inclined pipes. The experimental activities are carried out in the multiphase flow facility at Telemark ...
    • An Integrated Methodology for Design of Distribution Chain 

      Ma, Hongze (Dr.ingeniøravhandling, 0809-103X; 2003:96, Doctoral thesis, 2004)
      In today’s buyer market, the key question for an enterprise is how to sell products rather than how to produce products. That is why the study on distribution part of a supply chain is attracting extensive attentions from ...
    • A probabilistic approach to the value chain of underground iron ore mining: From deposit to product 

      Ellefmo, Steinar Løve (Doktoravhandlinger ved NTNU, 1503-8181; 2005:65, Doctoral thesis, 2005)
      Mining activities will eventually deplete any deposit. In a sustainability perspective, the deposit should therefore be utilised optimally during production. A prerequisite to achieve this is the deliberate and consistent ...
    • Aspects of ship design: optimization of aft hull with inverse geometry design 

      Tregde, Vidar (Dr. ingeniøravhandling, 0809-103X; 2003:107, Doctoral thesis, 2003)
      The main contribution of this thesis is on the study of optimization methods in aft hull design. The optimization methods are inverse geometry design methods to find an aft hull with the flow velocities we specify. The ...
    • A study of ageing and degradation of asphalt pavements on low volume roads 

      Lerfald, Bjørn Ove (Dr. ingeniøravhandling, 0809-103X; 2000:49, Doctoral thesis, 2000)
      An important objective with this research work has been to get more knowledge about mix design and maintenance of low volume roads with asphalt pavements in Norway. A literature review on bitumen, filler, rheology and ...
    • A Study of Load Responses towards the Pavement Edge 

      Aksnes, Jostein (Dr.ingeniøravhandling, 0809-103X; 2001:118, Doctoral thesis, 2002)
      A major part of the national and county road network in Norway consists of two-lane roads with relatively narrow shoulders. The width of the roadway is limited, forcing heavy trucks to drive close to the pavement edge. ...
    • A Study of some Factors in Mechanistic Railway Track Design 

      Skoglund, Kjell Arne (Dr. ingeniøravhandling, 0809-103X; 2002:54, Doctoral thesis, 2002)
      This thesis is composed of three main parts: The first part that uses classic track models as a basis for further developments, the second part that deals with constitutive behaviour of granular materials and the third ...
    • A Two-Dimensional Study of Green-Water Loading 

      Greco, Marilena (Dr. ingeniøravhandling, 0809-103X; 2001:70, Doctoral thesis, 2001)
      Large relative motions between the ship and the water may cause water shipping on the main deck. In this thesis, the fundamental features of water-on-deck phenomena are in vestigated, together with the "green" water loading ...
    • Automating Supplier Selection Procedures 

      Davidrajuh, Reggie (Dr. ingeniøravhandling, 0809-103X; 2000:128, Doctoral thesis, 2001)
      This dissertation describes a methodology, tools, and implementation techniques of automating supplier selection procedures of a small and medium-sized agile virtual enterprise. Firstly, a modeling approach is devised ...