Sökning: "personbilar"
Visar resultat 6 - 10 av 19 avhandlingar innehållade ordet personbilar.
6. External costs of transports imposed on neighbours and fellow road users
Sammanfattning : This thesis consists of an introductory chapter and four research papers, summarized as follows. The overall purpose is to study various external effects of the transport system; effects that are not considered (or not fully considered) today. LÄS MER
7. Energy Optimal Operation of Electric Trains : Development of a Driver Advisory System
Sammanfattning : The electric traction system used in trains is the most energy efficient traction system in the transportation sector. Moreover, it has the least NOx and CO2 emissions in comparison to other transportation systems (e.g. busses, passenger cars, airplanes, etc. LÄS MER
8. Modelling and experimental testing of truck tyre rolling resistance
Sammanfattning : Truck transport offers a versatile way to ship goods in regional, long haulage and urban applications. However, the heavy truck sector accounts for 6 % of total greenhouse gas emissions in the European Union. Therefore, there is a need for a substantial reduction of these emissions to secure the sustainability of Earth for future generations. LÄS MER
9. On the Characteristics of Fires in Tunnels
Sammanfattning : Important phenomena related to tunnel fires are presented including both experimental and theoretical work. The main focus is on the large-scale fire tests performed in 2003, in the Runehamar tunnel in Norway. LÄS MER
10. Characteristics of fresh and aged carbonaceous aerosol from anthropogenic combustion sources
Sammanfattning : Emissions from anthropogenic combustion sources, such as light duty vehicles and small scale biomass combustion, contribute significantly to ambient aerosol particle concentrations both on local and global scales. These emissions have controlling impacts on public health and global climate. LÄS MER