Sökning: "positive energy buildings"

Visar resultat 1 - 5 av 140 uppsatser innehållade orden positive energy buildings.

  1. 1. Energy retrofitting effect on perceived indoor climate: A case study of Estonian multi-family buildings

    Master-uppsats, Lunds universitet/Avdelningen för Energi och byggnadsdesign; Lunds universitet/Institutionen för arkitektur och byggd miljö

    Författare :Kadri Reinumägi; [2023]
    Nyckelord :Indoor environment; Thermal comfort; Indoor Air Quality; Window airing habits; Energy renovation; Occupant survey; Technology and Engineering;

    Sammanfattning : Energy renovations are an important measure for achieving the European Union’s target of climate neutrality by 2050. To meet the EU goal, Estonia needs to fully renovate 14 000 multi-family buildings by that time, affecting the indoor environment conditions of a large number of people. LÄS MER

  3. 2. Solar Photovoltaic Thermal Collectors and Ground Source Heat Pumps for Commercial Buildings : Case study in Sweden

    Master-uppsats, KTH/Skolan för industriell teknik och management (ITM)

    Författare :Doris Dijak; Elin Torstensson; [2023]
    Nyckelord :Ground Source Heat Pump; Photovoltaic Thermal Collectors; Borehole Thermal Energy Storage; Free Cooling.; Bergvärmepumpssystem; Termiska Solceller; Borrhålsbaserade Termiska Energilager; Frikyla.;

    Sammanfattning : In order to reduce emissions from the building sector, which stands for than a fifth of the global energy consumption today, efficient and fossil free heating and cooling systems are of importance. This study investigates the combination of solar photovoltaic thermal collectors and ground source heat pump systems in order to regenerate energy to the ground in combination with free cooling. LÄS MER

  4. 3. ENVIRONMENTAL AND ECONOMIC IMPACT OF USING RECYCLED MATERIALS IN WALL INSULATION : Energy management for sustainable cities, ETC building project.

    Master-uppsats, Mälardalens universitet/Akademin för ekonomi, samhälle och teknik

    Författare :Karima Alothman alsaghir; [2023]
    Nyckelord :Residual buildings; Walls insulation; Recycled materials; Thermal conductivity; IDAICE software; Climate-smart building; Thermo-environmental assessment; Thermo-economic assessment.;

    Sammanfattning : Recycled material has attracted extensive interest due to its positive impact on decarbonization in the building sector. At the same time, utilizing these materials is limited. The main objective of this degree project is to provide a better understanding of recycled materials and their role in environmental and economic aspects. LÄS MER

  5. 4. Energy audit of a single-family house in a city in the middle of Sweden

    Magister-uppsats, Högskolan i Gävle/Energisystem och byggnadsteknik

    Författare :Daniela Valentina García Gimeno; [2023]
    Nyckelord :energy audit; building energy efficiency; building envelope; renewable sources; windows efficiency; insulation of houses in Sweden;

    Sammanfattning : The world is currently submerged in two big problems: supply energy crisis and climate change. It is clear that society has to do its best to overcome these challenges, and one effective way to mitigate their effects is by conducting an energy audit, which helps to identify the weaknesses and strengths of the buildings, enabling improvements in their thermal efficiency. LÄS MER

  7. 5. Optimerad sandwichvägg i prefabricerad betong

    Uppsats för yrkesexamina på grundnivå, Linnéuniversitetet/Institutionen för byggteknik (BY)

    Författare :Majed Alsmail; Baqer Rubaij; [2023]
    Nyckelord :sandwich elements; thin concrete slabs; outer concrete layer; anchoring; anchoring systems; granular rupture in outer layer; anchor pull-out; adhesion; outer layer failure; loads; reinforcement; recesses; sandwichelement; tunna betongskivor; yttre betongskiva; förankring; förankringssystem; konbrott i yttre skivan; bygel utdrag; vidhäftning; brott i ytterskiva; belastningar; armering; ursparningar;

    Sammanfattning : As part of the work in this project, a literature review is conducted to determine the optimal thickness of the outer concrete layer in prefabricated concrete sandwich elements. These elements are used as exterior walls in buildings and consist of a load-bearing inner concrete layer, an intermediate insulation layer, and an outer concrete layer that forms the building's facade. LÄS MER