Blar i Fakultet for ingeniørvitenskap (uspesifisert) på utgivelsesdato

Viser treff 41-60 av 126

    • Formation Rate of Natural Gas Hydrate - Reactor Experiments and Models 

      Mork, Marit (Dr. ingeniøravhandling, 0809-103X; 2002:115, Doctoral thesis, 2002)
      The rate of methane hydrate and natural gas hydrate formation was measured in a 9.5 litre stirred tank reactor of standard design. The experiments were performed to better understand the performance and scale-up of a reactor ...

    • Stiffened Aluminium Plates Subjected to Impact Loading 

      Hildrum, Hilde Giæver (Dr. ingeniøravhandling, 0809-103X; 2002:69, Doctoral thesis, 2002)
      An experimental investigation has been carried out to study the behaviour of stiffened aluminium plates subjected to large mass (55 kg) projectiles in the low velocity regime. The stiffened aluminium plates were fabricated ...

    • Numerical and Experimental Studies of Droplet-Gas Flow 

      Jøsang, Aage Ingebret (Dr. ingeniøravhandling, 0809-103X; 2002:111, Doctoral thesis, 2002)
      This thesis considers droplet-gas flow by the use of numerical methods and experimental verification. A commercial vane separator was studied, both numerically and by experiment. In addition, some efforts are put into the ...

    • Molecular Effects on Evaporation and Condensation 

      Meland, Roar (Dr. ingeniøravhandling, 0809-103X; 2002:123, Doctoral thesis, 2002)
      In this thesis the evaporation from and condensation on a plane liquid surface have been studied by analysis and molecular dynamics simulations. The effect of the condensation coefficient on the inverted temperature gradient ...

    • Heat and Mass Transfer during Solid-Liquid Phase Transition of n-Alkanes in the C16 to C19 Range 

      Holmen, Rune (Dr.ingeniøravhandling, 0809-103X; 2002:79, Doctoral thesis, 2002)
      The main goal of this project has been to study heat and mass transfer during solid-liquid phase transition of n-alkanes in the C16 to C19 range. Phase transitions of both mixtures and pure components have been investigated. All ...

    • Geometry and Kinematics of Breaking Waves 

      Lader, Pål Furset (Dr. ingeniøravhandling, 0809-103X; 2002:32, Doctoral thesis, 2002)
      The objective of this thesis is to experimentally study different breaking waves cases. This is done by measuring in detail the free surface geometry and the internal kinematics of the waves as they approach breaking. Three ...

    • Utilisation of VOC in Diesel Engines. Ignition and Combustion of VOC Released by Crude Oil Tankers 

      Melhus, Øyvin (Dr. ingeniøravhandling, 0809-103X; 2002:61, Doctoral thesis, 2002)
      The emission of VOC (Volatile Organic Compound) has been identified as a significant source of hydrocarbon pollution. It is many sources of VOC emission. A major one in Norway is caused by the offshore oil industry. In the ...

    • Ekofisk Chalk: Core Measurements, Stochastic Reconstruction, Network Modeling and Simulation 

      Talukdar, Saifulla (Dr. ingeniøravhandling, 0809-103X; 2002:24, Doctoral thesis, 2002)
      This dissertation deals with (1) experimental measurements on petrophysical reservoir engineering and morphological properties of Ekofisk chalk, (2) numerical simulation of core flood experiments to analyze and improve ...

    • Population Balance Modeling of Agglomeration in Granulation Processes 

      Maurstad, Ola (Dr. ingeniøravhandling, 0809-103X; 2002:38, Doctoral thesis, 2002)
      Agglomeration (the sticking together of particles) is often the major growth mechanism in granulation processes. The population balance equation (PBE) is a mathematical framework that is often applied to systems to describe ...

    • Global Hydroelastic Response of Catamarans due to Wetdeck Slamming 

      Ge, Chunhua (Dr.ingeniøravhandling, 0809-103X; 2002:125, Doctoral thesis, 2002)
      Global hydroelastic effects due to wetdeck slamming on a catamaran at Froude numbers between 0.30 and 0.33 in regular head waves are studied theoretically and experimentally. The wetdeck has a horizontal transverse ...

    • High Temperature Filtration in Biomass Combustion and Gasification Processes 

      Risnes, Håvar (Dr. ingeniøravhandling, 0809-103X; 2002:66, Doctoral thesis, 2002)
      High temperature filtration in combustion and gasification processes is a highly interdisciplinary field. Thus, particle technology in general has to be supported by elements of physics, chemistry, thermodynamics and heat ...

    • Equilibrium and Non-Equilibrium Thermodynamics of Natural Gas Processing 

      Solbraa, Even (Dr. ingeniøravhandling, 0809-103X; 2002:146, Doctoral thesis, 2002)
      The objective of this work has been to study equilibrium and non equilibrium situations during high pressure gas processing operations with emphasis on utilization of the high reservoir pressure. The well stream pressures ...

    • Dynamics of the Seasonal Snowcover in the Arctic 

      Bruland, Oddbjørn (Dr.ingeniøravhandling, 0809-103X; 2002:29, Doctoral thesis, 2002)
      Arctic snow cover is important to life on Earth from the microscale soil microarthropod population, to reindeer at the local scale and even the global scale through its impact on the global climate. There ...

    • Flow vaporization of CO2 in Microchannel Tubes 

      Pettersen, Jostein (KKT-rapport, 1503-0342; 2002:1, Doctoral thesis, 2002)

    • Real-time reconfigurable devices implemented in UV-light programmable floating-gate CMOS 

      Aunet, Snorre (Dr. ingeniøravhandling, 0809-103X; 2002:52, Doctoral thesis, 2002)
      This dissertation describes using theory, computer simulations and laboratory measurements a new class of real time reconfigurable UV-programmable floating-gate circuits operating with current levels typically in the pA ...

    • Faces of a Sadhu. Encounters with Hindu Renouncers in Northern India 

      Bjerkan, Lise (Doctoral thesis, 2002)
      What is it about India and Varanasi, this holy city on the bank of the Ganga that has made me return, again and again? It is definitely not the freezing cold temperatures during mid-winter, nor is it the dry heat at spring, ...

    • Sloshing in rectangular tanks and interaction with ship motions 

      Rognebakke, Olav (Doktoravhandlinger ved NTNU, 1503-8181; 16, Doctoral thesis, 2002)
      Sloshing is a violent resonent free surface flow in a container. The main objective of this thesis has been to study sloshing in rectangular and prismatic tanks. The tank may be excited by a harmonic motion or it may move ...

    • Shock Tube Experiments on Nitromethane and Promotion of Chemical Reactions by Non-Thermal Plasma 

      Seljeskog, Morten (Dr. ingeniøravhandling, 0809-103X; 2002:67, Doctoral thesis, 2002)
      This dissertation was undertaken to study two different subjects both related to molecular decomposition by applying a shock tube and non-thermal plasma to decompose selected hydrocarbons. The first approach to molecular ...

    • Deformations in Concrete Cantilever Bridges: Observations and Theoretical Modelling 

      Takács, Peter F. (Dr. ingeniøravhandling, 0809-103X; 2002:23, Doctoral thesis, 2002)
      The thesis deals with the deformation problem of segmental, cast-in-place concrete cantilever bridges. This type of bridge has shown some propensity to develop larger deflections than those were predicted in the design ...

    • Theoretical and experimental studies on combustion of alternative fuels in cement kilns 

      Axelsen, Ernst Petter (Doktoravhandlinger ved NTNU, 1503-8181; 85, Doctoral thesis, 2002)
      In this thesis, the utilization of alternative fuels for NOx reduction by means of reburning and advanced reburning is sonsidered. Laboratory experiments, full-scale experiments and computational fluid dynamic (CFD) ...