Search for dissertations about: "air transportation"

Showing result 1 - 5 of 62 swedish dissertations containing the words air transportation.

  1. 1. Towards sustainable urban transportation Test, demonstration and development of fuel cell and hybrid-electric buses

    University dissertation from Stockholm : KTH

    Author : Anders Folkesson; KTH.; [2008]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; acceptance; analysis; auxiliary system; bus; Clean Urban Transport for Europe; concept; CUTE; demonstration; driver; drive cycle; duty cycle; energy flow; evaluation; fuel cell; heavy duty vehicle; hybrid management; hybrid vehicle; hydrogen; passenger; PEM; safety; Sankey diagram; series hybrid; sustainable; test; urban transport; vehicle simulation; acceptans; analys; hjälpaggregat; buss; Clean Urban Transport for Europe; koncept; CUTE; demonstration; körcykel; förare; energiflöde; utvärdering; bränslecell; tunga fordon; hybridsystemkontroll; hybridfordon; vätgas; passagerare; PEM; säkerhet; Sankey-diagram; seriehybrid; uthållig; hållbar; test; stadstransport; fordonssimulering; TECHNOLOGY Engineering mechanics Vehicle engineering; TEKNIKVETENSKAP Teknisk mekanik Farkostteknik; TECHNOLOGY Chemical engineering; TEKNIKVETENSKAP Kemiteknik;

    Abstract : Several aspects make today’s transport system non-sustainable:• Production, transport and combustion of fossil fuels lead to global and local environmental problems.• Oil dependency in the transport sector may lead to economical and political instability. READ MORE

  2. 2. Spray Processes in Optical Diesel Engines - Air-Entrainement and Emissions

    University dissertation from Stockholm : KTH

    Author : Clement Chartier; Lunds universitet.; Lund University.; [2012]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Diesel; Combustion; Soot; UHC; Injections; Lift-off length; air-entrainement;

    Abstract : Popular Abstract in Swedish Att kunna resa och transportera gods är en del av människors vardag i dagens samhälle. De flesta av dessa transportmedel använder förbränningsmotorer på grund av dess flexibilitet, låg global kostnad och lång körsträcka. READ MORE

  3. 3. Exploring patterns of empirical networks

    University dissertation from Umeå : Umeå University, Department of Physics

    Author : Luis E C Rocha; Umeå universitet.; [2011]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; complex systems; complex networks; network analysis; empirical networks; air transportation; consumer complaints; information technology; sexual contacts; epidemics; vaccination; NATURAL SCIENCES Physics Other physics Statistical physics; NATURVETENSKAP Fysik Övrig fysik Statistisk fysik; NATURAL SCIENCES Physics Other physics Computational physics; NATURVETENSKAP Fysik Övrig fysik Beräkningsfysik; INTERDISCIPLINARY RESEARCH AREAS Technology and social change; TVÄRVETENSKAPLIGA FORSKNINGSOMRÅDEN Teknik och social förändring; MEDICINE Social medicine Public health medicine research areas Epidemiology; MEDICIN Socialmedicin Folkhälsomedicinska forskningsområden Epidemiologi; TECHNOLOGY Information technology; TEKNIKVETENSKAP Informationsteknik; fysik; Physics; Statistics; statistik; Epidemiology; epidemiologi; Economics; nationalekonomi;

    Abstract : We are constantly struggling to understand how nature works, trying to identify recurrent events and looking for analogies and relations between objects or individuals. Knowing patterns of behavior is powerful and fundamental for survival of any species. READ MORE

  4. 4. Renewable Energy in Energy-Efficient, Low-Pollution Systems

    University dissertation from Department of Environmental and Energy Systems Studies, Lund university

    Author : Bengt Johansson; Lunds universitet.; Lund University.; [1997]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; hydrogen; ethanol; methanol; rape methyl ester; biomass; renewable energy; cogeneration; energy efficiency; scenarios; air pollution; carbon dioxide; Environmental technology; pollution control; Miljöteknik; kontroll av utsläpp;

    Abstract : Popular Abstract in Swedish Tillgången på energi har varit av stor betydelse för utvecklingen av det det moderna industrisamhället. Samtidigt skapar energianvändningen ett flertal miljöproblem med lokal, regional och global utbredning. READ MORE

  5. 5. Acute cardiovascular effects of biofuel exhaust exposure

    University dissertation from Umeå : Umeå Universitet

    Author : Jon Unosson; Umeå universitet.; [2014]
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Cardiovascular; air pollution; endothelial dyssfunction; arterial stiffness; wood smoke; woodsmoke; biodiesel; RME; biofuel; diesel exhaust;

    Abstract : BackgroundAnthropogenic air pollution is a global health problem estimated to contribute to millions of premature deaths. Exposure to biomass smoke is common due to varying sources, such as wildfires, indoor cooking over open fires, and residential heating from wood stoves. READ MORE