Browsing Institutt for energi og prosessteknikk by Issue Date
Now showing items 1-20 of 4353
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Vannkraftmaskiner
(Book, 1980) -
A theoretical and experimental study of the thermal degradation of biomass
(Dr.ingeniøravhandling, 0809-103X; 1996:115, Doctoral thesis, 1996) -
Modelling of turbulence and combustion for simulation of gas explosions in complex geometries
(Dr. ingeniøravhandling, 0809-103X; 1998:120, Doctoral thesis, 1998)This thesis analyses and presents new models for modelling of turbulent reactive flows for CFD simulation of gas explosions in complex geometries like offshore modules. The most important aspects determining the course ... -
Environmental aspects of municipal solid waste combustion
(Dr. ingeniøravhandling, 0809-103X; 2000:93, Doctoral thesis, 2000) -
Combined Air Conditioning and Tap Water Heating Plant, Using CO2 as Refrigerant for Indonesian Climate Condition
(Dr. ingeniøravhandling, 0809-103X; 2001:54, Doctoral thesis, 2001)A combined air-conditioning and water heating system using carbon dioxide as refrigerant has been investigated theoretically and experimentally. A computer program simulates the combined system has been developed and ... -
Laboratory studies of paper calendering using a pendulum device
(Dr. ingeniøravhandling, 0809-103X; 2001:108, Doctoral thesis, 2001)The present thesis refers experimental and theoretical studies of the calendering process making use of the pendulum device as a means to simulate the roller calendering. The main task has been to clarify characteristic ... -
Variation in aircraft engine exhaust emissions in relation to flight altitude and degraded engine performance
(Doktoravhandlinger ved NTNU, 1503-8181; 2001:21, Doctoral thesis, 2001)This work is a study to quantify the exhaust emissions from a short-haul commercial jet flight and the way wngine fouling and aging influence these quantities. Focus was set on the distribution of the released gases along ... -
High-pressure natural gas liquefaction and adsorption pretreatment : theoretical work and experimental field study
(Dr. ingeniøravhandling, 0809-103X; 2001:91, Doctoral thesis, 2001)The objective of this work has been to study offshore natural gas liquefaction processes with emphasis on utilization of the high reservoir pressure. A natural gas liquefaction process specially developed for offshore ... -
Industrial thawing of fish : to improve quality, yield and capacity
(Dr. ingeniøravhandling, 0809-103X; 2002:132, Doctoral thesis, 2002)Melting of frozen water in food products is denoted thawing. The phase change requires energy, and takes place at a constant temperature for pure water. For mixtures of water, fat, protein and ashes (i.e. foodstuffs) this ... -
Hydraulic resistance, shock wave attenuation and gaseous detonation extinction in granular materials
(Doktoravhandlinger ved NTNU, 1503-8181; 65, Doctoral thesis, 2002)Military and civil installations can be equipped with a granular filter, for example in air inlet systems to protect against blast waves. Granular filters also have a certain potential to replace shock valves and to work ... -
Applications and energy consumption of demand controlled ventilation systems : modelling, simulation and implementation of modular builtdynamical VAV systems and control strategies
(Doktoravhandlinger ved NTNU, 1503-8181; 34, Doctoral thesis, 2002)This thesis emphasizes on VAV (Variable Air Volume) ventilation systems and, in particular, modelling and simulation of such systems. It touches a number of important HVAC related issues. Demand controlled ventilation (DCV) ... -
Quality of fresh foods
(Doktoravhandlinger ved NTNU, 1503-8181; 137, Doctoral thesis, 2002)During the last few years the trend in food trade has moved rapidly from frozen to fresh products. Problems with temperature control in the processing and the distribution of fresh foods have at the same time been well ... -
Biomass gasification : combustion of gas mixtures
(Doktoravhandlinger ved NTNU, 1503-8181; 42, Doctoral thesis, 2002)The work presented in this study is primarily experimental and covers the following two main areas; gasification of biomass and combustion of gas mixtures. The work on biomass gasification includes the design of a laboratory ... -
Investigation of transcritical CO2 vapour compression systems by simulation and laboratory experiments
(Doktoravhandlinger ved NTNU, 1503-8181; 141, Doctoral thesis, 2002)The thesis presents the use of simulation tools and experimental data for investigation of various aspects of the transcritical CO2 vapour compression cycle. This is done through three papers, the first on design and ... -
Gasskraftverk med CO2-håndtering - Studie av alternative teknologier
(Research report, 2002)Rapporten dokumenterer en studie som beskriver og sammenligner 12 ulike teknologier for gasskraftverk med CO2-håndtering. Merkostnaden for å fjerne CO2 i forbindelse med elektrisitetproduksjon er i studien beregnet til ... -
High-frequency pressure measurements in the refining zone of a high-consistency refiner
(Dr. ingeniøravhandling, 0809-103X; 2003:50, Doctoral thesis, 2003)This thesis is based on an experimental study of the pressure conditions in the refining zone of high-consistency refiners used in paper making. The work presents the findings from two different mill-scale experiments in ... -
Experimental and numerical investigation of a bend-diffusor configuration
(Doktoravhandlinger ved NTNU, 1503-8181; 2003:98, Doctoral thesis, 2003)The current work has dealt with an axial to radial bend-diffuser configuration. The configuration is used behind axial compressors when axial space is limited. To the authors knowledge no work has been reported onthis type ... -
Natural ventilation in buildings : detailed prediction of energy performance
(Doktoravhandlinger ved NTNU, 1503-8181; 2003:72, Doctoral thesis, 2003)Natural ventilation has during the last decade experienced a renaissance in Europe. The penalty of electrical energy use of traditional mechanical ventilation and air conditioning is the main reason. The present thesis, ... -
Upscaling of wind turbine blades
(Doktoravhandlinger ved NTNU, 1503-8181; 2003:94, Doctoral thesis, 2003)The wind turbine industry is rapidly growing, and wind turbines are growing in size accordingly. For the wind turbines in the past and up to the present commercial size, aerodynamic forces have basically governed all blade ... -
An experimental investigation of multiphase gas-liquid pipe flow at low liquid loading
(Dr.ing;2003:83, Doctoral thesis, 2003)In this thesis, the co-current flow of gas, oil and water in pipes has been studied at low input liquid loading. Despite the frequent occurrence of low liquid loaded gas flow in pipes involved in the production of gas ...