59 uppsatser · sida 4 av 4
… The house is being built with a thick and tight insulation. If you use a heat-exchanger with high degree of efficiency and a final heating battery on the ventilation system, the heat from lamps, devices and the ones living in the house should be enough to fulfil the criteria of …
Problem area Alfa Laval is a world leading company in the heat transfers area and have the vision to continue to be that in the future as well. The company has a lot of press lines where the utilization is high and also has started to become old. Prognosis shows that there is an …
… it possible to balance energy demand with stored energy and integrate district heating with the local power grid. This means that in the future heat and electric power will interact and energy flows is converted over energy boundaries. This places high demands on the energy …
Med fokus på Kvarteret Trettondagen
… and have low leakage through the walls, they can reduce the energy usage for heating with a substantial amount. The first passive house was built during the 90?s in Germany; and in Sweden the first passive house was built in Gothenburg 2001. Both Sweden and EU have goals to …
… units ” 7.8 kWh/m2/yearFrequency converters ? 4.4 kWh/m2/year Waste heat from industrial processes, primarily from the production hall leads to high cooling demand to maintain good thermal comfort. Limitations in operation control of the buildings HVAC (Heating, Cooling and …
… a new system for cooling the machines ” a bedrock storage so that the heat can be utilized
En studie av energisystemet och effektiviseringsmöjligheter
Sala Silvergruva AB är ett av många företag som just nu kämpar med höga energi-kostnader. Denna rapport undersöker vilka möjligheter det finns att skapa ett hållbart energisystem i Sala Silvergruva med avseende på ekonomi, miljö samt sociala aspekter. Rapporten undersöker nio …
… situations Germany can receive less electricity from Sweden. Electric district heating and maybe electric vehicles can in the future consume an oversupply of electricity. A large scale introduction of electric vehicles can increase the Swedish electricity consumption by 9 TWh …
… situations Germany can receive less electricity from Sweden. Electric district heating and maybe electric vehicles can in the future consume an oversupply of electricity. A large scale introduction of electric vehicles can increase the Swedish electricity consumption by 9 TWh …
Test av olika råvarumixer i pelletstillverkningen vid Rindi Västerdala AB:s bioenergikombinat i Vansbro
… bio energy plant in Vansbro fuel pellets are produced, while the waste heat from the process is used for district heating. The pellets are produced from sawdust, wood shavings and dry wood chips that is dried, milled and pressed into small cylindrical rods. The advantage of …
… this case. The local conditions are not sufficient for generating cooling with heat energy. It was found that the optimal technique for increasing energy efficiency was to decrease the condensing temperature for the existing compressor systems. Two eligible ways of doing this …
tekniska, ekonomiska och miljömässiga förutsättningar för fjärrvärmeproduktion med lokalt skogsbränsle
A third party access to district heating networks has been proposed in Sweden, to increase the competition on the district heating market. Such third party access could create opportunities for the agricultural sector as an energy producer. This study describes the technical …
<em>Genom användning av byggnader som värmelager</em>
Ett vanligt problem för fjärrvärmeföretag är svängningar i den dagliga efterfrågan på fjärrvärme. När efterfrågetoppar sker i fjärrvärmenätet behöver fjärrvärmeföretagen oftast använda sina topplastpannor, vilka vanligtvis drivs på både dyra och miljöovänliga bränslen. Ett sätt …
… of animals. Due to that we will have problem to control when the gilts come in heat, we will have pigs born between the groups. These sows and pigs need to be counted in the final calculation to get corrected numbers of animals and product levels. After finding the results and …
