Blar i Fakultet for ingeniørvitenskap (uspesifisert) på utgivelsesdato
Viser treff 81-100 av 126
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Random Field Models and near Well Reservoir Characterization
(Doktoravhandlinger ved NTNU, 1503-8181; 2004:64, Doctoral thesis, 2004)In Part 1 T-distributed random fields (TRF) are adressed. The main contribution of this paper is the introduction of a new, analytically tractable, heavy-tailed continuous random field model, namely the TRF model. In Gunning ... -
Experimental and Theoretical Studies of a Low Nox Swirl Burner
(Doktoravhandlinger ved NTNU, 1503-8181; 2004:78, Doctoral thesis, 2004)Nitrogen oxides emitted to the atmosphere can cause health problems for humans and environmental problems such as acid rain and global warming. The main part of the world energy consumption involves combustion; hence ... -
A new dynamic void Growth Model
(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
(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 ... -
On the shear capacity of steel plate girders with large web openings
(Doktoravhandlinger ved NTNU, 1503-8181; 2005:9, Doctoral thesis, 2004)This report presents an investigation of the shear capacities of steel plate girders with web holes, penetrations, cut-outs or openings. The study is motivated by the need for simple guidelines that can be used in practical ... -
Numerical Investigation of turbulent Flow in a Channel with rough Walls
(Doktoravhandlinger ved NTNU, 1503-8181; 2004:148, Doctoral thesis, 2004)Direct numerical simulation has been performed in order to study ressure-driven turbulent flow in a rod-roughened channel at Reynolds number Reτ = 400 (based on the mean pressure gradient). Square rods were attached to ... -
Effects of anthropogenic activities on snow distribution, and melt in an urban environment
(Doktoravhandlinger ved NTNU, 1503-8181; 2004:67, Doctoral thesis, 2004)In many parts of the world snow melt runoff influence discharge from combined sewer overflows (CSO) and flooding in urban drainage systems. Despite this, urban snow hydrology is a field that has received little attention ... -
Industrial Implementation of Extended Producer Responsibility in an Industrial Ecology Perspective
(Doktoravhandlinger ved NTNU, 1503-8181; 2005:237, Doctoral thesis, 2005)The purpose of this thesis is to identify key conditions for successful industrial implementation of collective extended producer responsibility (EPR) programmes in the Norwegian plastic packaging system, according to an ... -
Platform Assessment Matrix (PAMatrix): A Method to Support Decision Making on Product Platforms
(Doktoravhandlinger ved NTNU, 1503-8181; 2005:39, Doctoral thesis, 2005)In the last century there have been drastic changes in the way products are developed and manufactured – manufacturing technologies have advanced and at the same time global competition has increased tremendously. For ... -
Modelling of Soot Formation and Oxidation in Turbulent Diffusion Flames
(Doktoravhandlinger ved NTNU, 1503-8181; 2005:175, Doctoral thesis, 2005)Soot and radiation play an important role when designing practical combustion devices, and great efforts have been put into developing models which describe soot formation and oxidation. The Eddy Dissipation Concept (EDC) ... -
Eco-efficiency and Performance Strategies in Construction and Demolition Waste Recycling Systems
(Doktoravhandlinger ved NTNU, 1503-8181; 2005:22, Doctoral thesis, 2005)This thesis studies the Danish and Norwegian recycling systems for construction and demolition (C&D) waste. The architectural, Engineering and Construction (AEC) industry is a major contributor to societies waste production; ... -
Current Forces on Net Structure
(Doctoral Theses at NTNU, 1503-8181; 2005:64, Doctoral thesis, 2005)The trend in recent years has been that the amount of wild catch is stagnating. In this perspective the selectivity of fishing gear has become an important issue. The aim of the present work has been to develop a ... -
A comprehensive scaling up technique for pneumatic transport systems
(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 ... -
Factors Influencing Microbiological Quality of Groundwater from Potable Water Supply Wells in Norwegian Crystalline Bedrock Aquifers
(Doktoravhandlinger ved NTNU, 1503-8181; 2005:99, Doctoral thesis, 2005)Gaut, S., 2005: Factors influencing microbiological quality of groundwater from potable water supply wells in Norwegian crystalline bedrock aquifers. Doktor Ingeniør thesis 2005:99. Department of Geology and Mineral Resources ... -
Ocean current Variability in Relation to Offshore Engineering
(Doktoravhandlinger ved NTNU, 1503-8181; 2004:151, Doctoral thesis, 2005)This work adresses ocean current variability in relation to offshore engineering. The offshore oil and gas activity has up until recently taken place mainly on the continental shelves around the world. During the last few ... -
Silane Crosslinked Wood-Thermoplastic Composites
(Doktoravhandlinger ved NTNU, 1503-8181; 2005:201, Doctoral thesis, 2005)Wood-thermoplastic composites are a more environmental friendly alternative for pressure-treated lumber but can also replace engineering plastic products. These composites have been on the market for more than ten years ... -
Eco-efficiency of waste management: A case study of the Norwegian deposit and recycling system for PET bottles
(Doktoravhandlinger ved NTNU, 1503-8181; 2005:202, Doctoral thesis, 2005)The Norwegian system for depositing and recycling of PET bottles (Resirk/PET system)started in May 2000, and is based on Norsk Resirk's mission of improving cost- and environmental efficiency of this system. Has this been ... -
A probabilistic approach to the value chain of underground iron ore mining: From deposit to product
(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 ... -
Kollektivtransportmodellering: Kan eksisterende transportmodeller utvikles slik at de blir mer egnet til analyser av kollektivtransport?
(Doktoravhandlinger ved NTNU, 1503-8181; 2005:224, Doctoral thesis, 2005)Kan eksisterende transportmodeller utvikles slik at de blir mer egnet til analyser av kollektivtransporten? Ja, det kan de, viser arbeidet i denne avhandlingen. En rekke egenskaper ved dagens modeller er studert, primært ... -
Enterprise Reengineering – A Strategic Framework and Methodology
(Doktoravhandlinger ved NTNU, 1503-8181; 2005:153, Doctoral thesis, 2005)Manufacturing companies find themselves, whether they like it or not, in a more global and changing reality. Fiercer competition, dynamic markets, new consumer habits, stronger environmental regulations, and new technological ...