577 uppsatser · sida 19 av 39
The thermal response of a borehole field is often described by non?dimensional response factors called gfunctions.The g?function was firstly generated as a numerical solution based on SBM (Superposition BoreholeModel). An analytical approach, the FLS (Finite Line Source), is …
… an assessment of the compressed air system in the facilities of Vattenfall Heat Uppsala has been conducted. The facilities constitutes, among others, a combined heat and power plant, and two waste incineration plants. The compressed air is supplied primarily by seven rotary …
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 …
… is about a part of the marquetrytechnique, scorching. Scorching is made by heating up something, put a veneer into the heated substance and make a controlled burning. This technique is old but still used today and have according to me great potential for development. In my work …
… is about a part of the marquetrytechnique, scorching. Scorching is made by heating up something, put a veneer into the heated substance and make a controlled burning. This technique is old but still used today and have according to me great potential for development. In my work …
Undersökning av temperatur- och luftbeteende intill höga glasfasader och i vistelsezon med golvvärme som en värmekälla
… due to cold downdraught. Cold downdraught can be countered by placing heaters under glass surfaces. Nowadays technology offers highly insulating windows, which is why there is an interest to investigate the indoor climate with only underfloor heating. The research in this area …
… cooling is a technology where the supplied air is cooled by applying external heat. This technique involves a reduction in electricity consumption compared to electrically-powered cooling machines and does not affect the district cooling system usage. It was therefore of …
… as a reference. Four different drying methods were used; sundried, dried in heat, freeze-dried and dried in room temperature. Freeze-drying showed significantly (P
… production in hot climates requires knowledge of how birds are affected by heat stress. It is important with access to water and good ventilation to facilitate coping with the heat. It may be useful to reduce the consumption of feed during the hottest hours of the days, which …
en studie av trädens effekt på en bostadsgård i Malmö
… städer. Detta fenomen har kommit att kallas Stadens Värmeö eller Urban Heat Island som är den engelska termen. I Sverige förväntas det bli allt högre sommartemperaturer och fler rekordvarma dagar framöver. Malmö stad har skapat en handlingsplan för klimatanpassning där fokus på …
a Cost Benefit Analysis of the socio-economic effects from implementing new clean drinking water technologies in rural India
… an atmospherical water generator of their own design that is running on solar heat, with a production capacity of three litres of water per day and m2. The purpose was to focus on foreign aid organizations as main purchasers for project investments towards rural communities in …
Sverige och EU har man som mål att halvera energianvändningen fram till 2050 och det arbetet måste starta nu. Det är 15 miljoner kvm byggyta som måste halvera sin energianvändning varje år och i 40 år framåt. Redan idag är 70 % av alla hus till 2050 byggda, vilket innebär att …
En fallstudie av Himmerfja?rdsverket
… internal processes of Himmerfja?rdsverket. Wastewater has a high content of heat energy because of its origin from households and industries. It also holds high concentrations of chemically bound energy as organic compounds and nutrients. The flow of chemically bound energy at …
va?gen till ha?llbar utveckling
… second purpose is to present the technical solutions regarding ventilation and heating system that is being used in passive houses. This was done using 8 passive houses, 4 germany and 4 swedish passive houses. Even the international and Swedish system requirements for passive …
… 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 …
