85 uppsatser · sida 4 av 6
… the production of biodiesel and where in Italy this could be possible due to climate. Cost? and energy calculations have been made to investigate if biodiesel produced from algae would be profitable. During the production of biodiesel there are several residues obtained. When …
… be built to consume less energy, which in the end will lower the impact on the climate. One way to make the housing sector more environmentally sustainable, is to produce energy issions that are bad for the environment, for example to build wind turbines close to or even on the …
… in the 60?s and 70?s. Both Swedish government and the European Union have set climate goals regarding energy consumption by 2020 and 2050. Achieving these goals would require better standards in buildings than the Building regulations demands, such as Umeå municipality’s …
en studie i norra Island
… 40 year old tree. The errors have not been taken into count in the regression calculations.
… m x 50 m. The raster structure of the model allows for easy use of data from climate models or remotely sensed data. The model was evaluated using the River Kölstaån catchment, a part (110 km2) of the Lake Mälaren catchment, which has its outflow in central Stockholm, Sweden …
fördjupning av översiktsplanen för östra Eslöv
… animals, biotopes, landscape (scenery), cultural history, recreation, air, climate and noise. To make the evaluation of the biotopes as objective as possible I use a table with factors of the biotope value which starts with 0,01 for the most exploited areas (i.e. asphalt) and …
Hur de termiska stigkrafterna påverkar ventilationseffektiviteten
… was 0.5 m/s but it takes velocities below 0.2 m/s to fulfill the indoor climate requirements due to the problems concerning draft. It was possible to see that the buoyancy forces affect the mixing of the air to a certain degree, despite high air velocities. Unfortunately it …
… a fully functional micro scale power plant. During the winter months, when the climate demands our houses to be heated, the relation of 8 % electricity and 90 % heat is very suiteble. Unfortunatly problems can occure during the summer time when we do not need to heat our houses …
tensile properties of cast iron
… years people have become more and more aware of how humanity is affecting the climate. In the direction of reducing the greenhouse gases is to design engines with higher tensile properties and reduced weight, in order to achieve lower fuel consumption and cleaner fuel …
There have been changes in Earth’s climate system on both global and regional scale since the pre-industrial era and some of these changes are due to human activities such as the combustion of fossil fuels. This calls for the development of engines with a higher efficiency and …
En backcastingstudie för ett fossilbränslefritt Stockholms län 2050
… study. In the light of what may be the largest challenge of our time ? the climate change - the aim of this study is to describe how the energy consumption in a fossil fuel free Stockholm county in the year of 2050 may be. The need to reduce the carbon emission to the atmosphere …
-en jämförelse mellan fjärrvärme och bergvärme i villa
… theoretically created three alternatives of the same house, each of them with climate screens different from each other. Together with the amounts of discharged environmental affecting substances, these houses were the base for our calculations and studies when investigating the …
… for the environment counted in monetary value with regard for the reduction of climate gases. In order to reply on the question if profitability must everyone substrate that is feed in the biogas reactor be identified, is quantified and be evaluated.The study is based on those …
… Also a survey was given to the residents to validate how the indoor thermal climate was affected during the experiment. Possible savings by using these kinds of functions were also accounted for. The result demonstrates that a simple controller function provides a possible way …
från modell till verklighet
… of the environment around us. The European Union has de-manded a variety of climate and energy goals to be achieved by year 2020, the ”20-20-20” targets. With these aims, The European Union means that we must reduce our emissions from fossil fuels and instead increase our …
