Essays about: "Gävle Energi"

Showing result 26 - 30 of 140 essays containing the words Gävle Energi.

  1. 26. Solar - Biomass hybrid system for process heat supply in medium scale hotels in Sri Lanka

    University essay from Högskolan i Gävle/Avdelningen för bygg- energi- och miljöteknik

    Author : Asela Janaka Abeywardana; [2016]
    Keywords : solar energy; concentrated solar thermal technology; linear fresnel; biomass technology; wood-fired boiler; solar potential in Sri Lanka; feasibility study; life cycle cost; simple payback; return on invesment;

    Abstract : This study aimed at evaluating and demonstrating the feasibility of using Concentrated Solar Thermal technology combined with biomass energy technology as a hybrid renewable energy system to supply the process heat requirements in small scale industries in Sri Lanka. Particularly, the focus was to apply the concept to the expanding hotel industry, for covering the thermal energy demand of a medium scale hotel. READ MORE

  3. 27. Economic and Environmental Analysis of PV Electricity Storage in Sweden

    University essay from Högskolan i Gävle/Avdelningen för bygg- energi- och miljöteknik

    Author : Oihane Bayo; [2016]
    Keywords : PV system; battery storage; hot water accumulator; economic analysis; environmental impact;

    Abstract : Renewable energies, and among them solar photovoltaics, are becoming more important in the last years due to the lack of fossil fuels and the environmental impact of them. PV installed capacity is increasing over and over in some countries and the prices of the installation are decreasing while the prices of the electricity are predicted to increase. READ MORE

  4. 28. Comparison of the performance of silicon and thin film solar cells at the laboratory of the University of Gävle

    University essay from Högskolan i Gävle/Avdelningen för bygg- energi- och miljöteknik

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

    Abstract : 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. READ MORE

  5. 29. Solar Potential Assessment : Comparison Using LiDAR Data and PVsyst

    University essay from Högskolan i Gävle/Avdelningen för bygg- energi- och miljöteknik

    Author : Laura Perez Amigo; [2016]
    Keywords : solar potential; solar map; LiDAR; PVsyst;

    Abstract : Energy consumption is on a permanent rise and it is becoming increasingly concentrated in cities. Hence, cities have to work on saving energy and being more efficient by finding sources with great potential to produce their own energy and implanting the correct policies. READ MORE

  6. 30. Analysis of a Low Energy Building with District Heating and Higher Energy Use than Expected

    University essay from Högskolan i Gävle/Avdelningen för bygg- energi- och miljöteknik

    Author : Ander Arrese Foruria; [2016]
    Keywords : Energy; Ventilation; District Heating; residential Buildings; Envelope;

    Abstract : In this thesis project, a building in Vegagatan 12, Gävle has been analysed. The main objective has been to find why it consumes more energy than it was expected and to solve theoretically the problems.This building is a low energy building certified by Miljöbyggnad which should use less than 55kWh/m2 year and nowadays it is using 62.23 kWh/m2. READ MORE