Sökning: "Energy transfer"

Visar resultat 1 - 5 av 932 avhandlingar innehållade orden Energy transfer.

  1. 1. Energy Use, Efficiency Gains and Emission Abatement in Transitional Industrialised Economies: Poland and the Baltic States

    Detta är en avhandling från Department of Environmental and Energy Systems Studies, Lund university

    Författare :Jürgen Salay; [1999]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; implementation; sustainable energy; renewable energy; electricity production; power industry; Baltic states; Poland; transition; sulphur dioxide; air pollution; energy efficiency; Energy; energy use; Environmental technology; pollution control; Miljöteknik; kontroll av utsläpp; Energy research; Energiforskning;

    Sammanfattning : This thesis is a study of how energy use and air pollution in Poland, Estonia, Latvia and Lithuania have been affected by the economic transition after 1989. It consists of six articles, which examine three different aspects of these changes. LÄS MER

  2. 2. Latent Heat Thermal Energy Storage for Indoor Comfort Control

    Detta är en avhandling från Stockholm : KTH Royal Institute of Technology

    Författare :NingWei Justin Chiu; Viktoria Martin; Motoi Yamaha; [2013]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Thermal Energy Storage; Phase Change Material; Indoor Comfort; Heat Transfer; Termisk Energilagring; Fasändringsmaterial; Inomhuskomfort; Värmeöverföring;

    Sammanfattning : Equating Earth’s existence to 24 hours, we, the Homo sapiens, came about in the last four seconds. Fossil fuel came to our knowledge with mass extraction dating from the Industrial Revolution two centuries ago, in other words 4 milliseconds out of Earth’s 24-hour equivalent lifetime. LÄS MER

  3. 3. Heat Transfer Aspects of Using Phase Change Material in Thermal Energy Storage Applications

    Detta är en avhandling från Stockholm : KTH Royal Institute of Technology

    Författare :Justin NingWei Chiu; Viktoria Martin; Luisa Cabeza; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; thermal energy storage; comfort cooling; phase change materials; heat transfer; TECHNOLOGY Engineering mechanics Mechanical and thermal engineering Thermal energy engineering; TEKNIKVETENSKAP Teknisk mekanik Mekanisk och termisk energiteknik Termisk energiteknik; TECHNOLOGY Materials science Other materials science; TEKNIKVETENSKAP Teknisk materialvetenskap Övrig teknisk materialvetenskap; TECHNOLOGY Other technology Environmental engineering; TEKNIKVETENSKAP Övriga teknikvetenskaper Miljöteknik; SRA - Energy; SRA - Energi;

    Sammanfattning : Innovative methods for providing sustainable heating and cooling through thermal energy storage (TES) have gained increasing attention as heating and cooling demands in the built environment continue to climb. As energy prices continue to soar and systems reach their maximal capacity, there is an urgent need for alternatives to alleviate peak energy use. LÄS MER

  4. 4. Tuning of Energy and Electron Transfer Rates in Donor-Bridge-Acceptor Systems

    Detta är en avhandling från Stockholm : KTH Royal Institute of Technology

    Författare :Karin Pettersson; [2007]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; electron transfer; electronic coupling; paramagnetic species; superexchange; Donor-bridge-acceptor system; spectroscopy.; porphyrin; sequential electron transfer; Förster energy transfer; energy transfer;

    Sammanfattning : The intramolecular processes of Donor-Bridge-Acceptor (D-B-A) systems have been investigated by spectroscopic methods. The systems consist of porphyrin donors and acceptors linked by oligo-p-phenyleneethynylene bridges. LÄS MER

  5. 5. On the Design Considerations for Thermal Energy Storage with Phase Change Materials: Material Characterization and Modelling

    Detta är en avhandling från Stockholm : KTH Royal Institute of Technology

    Författare :Pepe Tan; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Phase Change Materials; Simulation; T-History; Thermal Energy Storage;

    Sammanfattning : Integrating thermal energy storage (TES) technologies to a process enables storing and releasing thermal energy on demand. Depending on the implementation, this may lead to economic and ecological improvements, e.g. by shifting the peak demand to off-peak hours or by increasing the share of utilized renewable energy. LÄS MER