Sökning: "angle of incidence"

Visar resultat 21 - 25 av 37 uppsatser innehållade orden angle of incidence.

  1. 21. Investigation of the Performance of a Large PV system

    Magister-uppsats, Högskolan i Gävle/Energisystem

    Författare :Júlia Solanes Bosch; [2017]
    Nyckelord :Renewable energy; PV system; solar energy; pyranometer; solar cell;

    Sammanfattning : One of the main social challenges that society is facing nowadays is the energy crisis. So, head towards renewable energy resources such as solar, hydraulic, wind, geothermal and biomass, could be the best solution. LÄS MER

  3. 22. Comparison of the performance of silicon and thin film solar cells at the laboratory of the University of Gävle

    Magister-uppsats, Högskolan i Gävle/Avdelningen för bygg- energi- och miljöteknik

    Författare :Cristian Baena Juan; [2016]
    Nyckelord :solar cell performance; crystalline silicon; thin film CIGS; energy conversion efficiency; performance ratio;

    Sammanfattning : The huge environmental awareness emerging last years by reason of global warming and greenhouse effect, on one hand, and the need of finding other sources of energy production and conversion due to the declining of fossil resources and the increasing cost of this kind of energy resource, on the other hand, both have led position renewable energies as a powerful alternative on the energy production and conversion. PV-systems have emerged at an exponential rate in recent year as the main candidate and a satisfactory possibility with respect to environmental and economic sustainability. LÄS MER

  4. 23. Exploitation of Digital Surface Models from Optical Satellites for the Identification of Buildings in High Resolution SAR Imagery

    Master-uppsats, KTH/Geoinformatik

    Författare :Rebecca Ilehag; [2016]
    Nyckelord :SAR; DSM; GeoRaySAR; nDSM; building detection;

    Sammanfattning : Interpreting a Synthetic Aperture Radar (SAR) image and detecting buildings can be a difficult task visually. In order acquire an overview of an area that has been affected by a disaster, such as an earthquake, SAR is useful due to its independence of weather conditions and the time of the day. LÄS MER

  5. 24. 1D Turbine Design Tool Validation and Loss Model Comparison: Performance Prediction of a 1-stage Turbine at Different Pressure Ratios

    Master-uppsats, KTH/Kraft- och värmeteknologi

    Författare :Jonas Persson; [2015]
    Nyckelord :gas turbine; 1D design tool; validation; loss models; performance prediction; pressure ratio; purge flow;

    Sammanfattning : This work concerns the validation of two 1D Turbine Design Tools, AXIAL by Concepts NREC and TML by GKN Aerospace, and is purely computational. By using the KTH Test Turbine as a reference frame, these two software programs were set up to simulate its performance, and the results consequently validated against existing experimental data from the turbine. LÄS MER

  7. 25. Rättssäkerhet inom statlig tillsynsverksamhet -framväxt och tillsyn av HVB-hem

    Uppsats för yrkesexamina på avancerad nivå, Lunds universitet/Juridiska institutionen

    Författare :Marcus Ekberg; [2013]
    Nyckelord :Socialrätt; rättssäkerhet; tillsyn; Socialstyrelsen; HVB-hem; Law and Political Science;

    Sammanfattning : Summary Children and adolescents can due to various reasons be placed in rehabilitation- or juvenile foster care, so called HVB-hem, by the state. These institutions are many times managed by private corporations. LÄS MER