Uppsatser om electric

785 uppsatser · sida 40 av 53

OTEC-Ett energialternativ för enhållbar ö

Kandidatuppsats · KTH

… between the warm surface water and the cold water at 1000 m depthto produce electricity. The purpose of this report is to investigate if OTEC with its synergiescould become a commercially feasible energy solution for a small island. A literature reviewis conducted to explore the …

En kostnadsanalys av energieffektiva flerbostadshus

Kandidatuppsats · KTH

… is the substantial increase of the energy price since the deregulation of the electricity market in 1996.In this study the techniques that exist to build multi-storey residential buildings with high energy performance will be investigated. Further the study intends to …

Torkning av flis med restvärme

Metoder för att sänka återledningstemperaturen

Högskoleuppsats · Umeå universitet

… this also demands that the time of instalments is set to 25years, and that electrical power can be used at the cost of 0,30kr/kWh. Calculations also shows that it could be quite profitable, If wood chips instead were to be made, with use of the Bio-mass dryer. In a such case the …

Utvärdering av labpilot - flödesbatteri

Experimentell studie

Högskoleuppsats · Mälardalens högskola

Results have shown that flow batteries may be a solution in the future as an effective and environmental friendly method to an energy storage system (ESS). The technology is reliable and has a high efficiency that comes with low energy losses and a long lifetime. The range of …

Miljövärdeflödesanalys av Risifruttiproduktionen

En utvärdering av värdeflödesanalys och miljövärdeflödesanalys

Masteruppsats · Mälardalens högskola

… in the Risifrutti production because of the lack of energy meters for steam, electricity and compressed air in the production lines.

Från eld till lågenergilampa

Förståelsen för ljuskällans tekniska utveckling hos elever i årskurs 5

Examensarbete, grundnivå · Karlstads universitet

Syftet med undersökningen är ta reda på vilken förståelse elever från årskurs 5 har för ljuskällans tekniska utveckling. Syftet har uppnåtts med hjälp av frågeställningarna Vilken kunskap visar elever i årskurs 5 om ljuskällans tekniska utveckling? och Vilken kunskap visar …

McDonalds CSR-arbete

Utvecklingen och orsakerna

Kandidatuppsats · KTH

… to was greater than expected. Reducing their energy consumption led to lower electricity cost, reducing the size of packaging led to reduced costs in both manufacturing and disposal, and working to prevent scandal turned out to be cheaper than being involved in them.

Glastaket

ett bärande klimatskal

Kandidatuppsats · KTH

… be chosen. The task included designing of heating, ventilation, sanitation and electricity systems. Structural engineering models has been made in compliance with Eurocodes. Materials for facades, floors and roof were chosen and evaluated. As recessed portion of the work …

Projektering av småhus med solvärme som huvudkälla

Kandidatuppsats · KTH

… where the compared systems purpose is to be independent of direct using electricity. A system of this design is regarded as sustainable according to environmental as economic issues. The following heating systems have been analyzed in combination with solar energy; Geothermal …

Passivhuset i det långa loppet

- hur påverkar brukarens kunskap energiförbrukningen?

Kandidatuppsats · KTH

… are as follows: ? Indoor-temperature ? Hot water consumption ? Consumption of electricity for household appliances After the study of factors that influence unwanted user behaviors, different tools that can help to reduce user-related energy consumption has been investigated. As …

Ett tillgängligt och användarvänligt boende

Anpassningsmöjligheter för människor med rörelsehinder och nedsatt rörelseförmåga

Kandidatuppsats · KTH

… the technical installations such as ventilation systems, heating systems, electricity and sanitation are presented, where both technical and financial aspects are described in detail. The economic aspects are also described in connection with calculating the building's power and …

Flexibel isolering av fönster för att minska energiförluster

Kandidatuppsats · KTH

… of all major installations (heating, domestic water, ventilation, sanitation, electricity) are reported so that one can in principle start construction of the house. In addition there are calculations done on the building’s energy management. The result is a two stored house …

Allergifritt hus

Kandidatuppsats · KTH

… of the house, various constructional elements, ventilation, sanitation and electricity have to be drawn. Calculations of these aspects also have to be made, to ascertain that the different parts function as they should, and that the dimensions are sufficient. The second part is …

Analys av fördelningssystem för bostadshus

Högskoleuppsats · Umeå universitet

… may be due to voltage drops in the PEN conductor between the origin of the electrical installation and the power transformer. Based on the theoretical analyzes of possible faults, it is considered that the requirement for supplementary equipotential bonding systems for bathrooms …