Sökning: "Payback periods"

Visar resultat 11 - 15 av 39 uppsatser innehållade orden Payback periods.

1. 11. Energy audit in Ockelbo healthcare center

   Magister-uppsats, Högskolan i Gävle/Energisystem och byggnadsteknik

   Författare :Pedro De Wit; [2020]
   Nyckelord :energy audit; heat balance; energy use; greenhouse gases emissions; improvement measures; efficiency;

   Sammanfattning : As the world is becoming aware of the impact of global warming reducing greenhouse gases emissions presents itself as a fundamental issue in order to avoid the environmental collapse and its negative consequences. One of the key points of this challenge it’s to make a responsable use of the energy. LÄS MER

3. 12. Modeling of waste heat recovery system and outdoor swimming pool : Waste heat from hotel kitchen recovered by heat exchanger transferred to pool

   Master-uppsats, Umeå universitet/Institutionen för tillämpad fysik och elektronik

   Författare :Linn Olanders; [2020]
   Nyckelord :Heat exchanger; heat recovery; waste heat; pool; swimming pool; comsol; modeling; commercial kitchen; kitchen;

   Sammanfattning : This project was performed to evaluate if waste heat from hotel kitchens is enough to heat outdoor swimming pools in southern Europe or if it can be used as a compliment to another heat source. Another aim was to analyze the simulations and calculations of the pools and the heat recovery system. LÄS MER

4. 13. Återvinning av rökgaskondensat på Moskogen : Ett investeringsunderlag för minskad vattenkonsumtion på ett kraftvärmeverk

   Kandidat-uppsats, Linnéuniversitetet/Sjöfartshögskolan (SJÖ)

   Författare :Hans Gunnars; Gustav Magnusson; [2020]
   Nyckelord :Combined heat and power; CHP plant; flue gas condensate; flue gas condensate purification; makeup water purification; recycling; water conservation; sustainability; process water; Kraftvärme; kraftvärmeverk; rökgaskondensat; rökgaskondensatrening; spädvattenrening; återvinning; vattenbesparing; hållbarhet; processvatten;

   Sammanfattning : Det här projektet har varit på uppdrag av Kalmar Energi AB och har utförts på kraftvärmeanläggningen Moskogen. Projektet syftade till att undersöka om återvinning av rökgaskondensat till spädvatten var möjlig och ekonomiskt försvarbart. LÄS MER

5. 14. Payback periods for photovoltaics integrated in nonbuilding structures

   M1-uppsats,

   Författare :Styrbjörn Olsson; Simon Candler; [2019]
   Nyckelord :Solar panels; Renewable energy; Payback periods; Nonbuilding structures; Climate; Environment; Railway; Road tunnel;

   Sammanfattning : In order to provide Sweden and other countries across the globe with energy in a long-term and sustainable manner that accounts for our global environmental goals, we need to adopt more sources of renewable energy. Solar panels and other forms of solar power is one of these renewable energy sources that has a lot of potential and the technology has become increasingly more common in Sweden and other parts of the world in the latest decades. LÄS MER

7. 15. Tezpur University Smart Campus: Performance Optimization during Grid Outages using Demand Side Management

   Master-uppsats, KTH/Kraft- och värmeteknologi

   Författare :Felix Sippel; [2019]
   Nyckelord :;

   Sammanfattning : he conditions of energy availability from different resources is depending on myriad factors like technological innovation, geographical prerequisites and market dynamics. In, microgrids, where often multiple energy resources are combined, managing only the generation side of the energy system is not always the most cost effective and sustainable approach. LÄS MER