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850 Uppsatser om District heating - Sida 19 av 57
En studie av kvinnogrupper och social mobilisering i Babati District ur ett feministiskt empowerment-perspektiv : Hur kan kvinnors agentskap och sociala interaktion transformera de strukturella förutsättningarna i Babati?
The results and the analysis of this essay are based on an empirical study of women groups in Babati District in Tanzania from 2005. The study has shown that the reason for women in Babati to organize themselves is to overcome traditional and structural obstacles that restrict women?s economical integration. Through the creation of social networks and a common source of income within the group, women are trying to strengthen their position within the household and in society. The significance of empowerment on an individual level is the sense of abilities in everyday life and the feeling of increased options.Social mobilization means that individuals come together and with united strengths and according to a common interest are trying to fulfil articulated goals.
Kvällens sista beställning: från Kungsgatan till akuten : En studie om effekten av Ansvarsfull alkoholservering på krogvåldet i centrala Karlstad
This thesis represents my individual final research in Societal Risk Management. The aim of the study is to research whether the method called Responsible Beverage Serving has had the desired effect of diminished alcohol-related violence in Karlstad City, after its implementation into the ordinary operational agenda for Karlstad district in the county of Wermland. According to the method, the alcohol-related damages as well as alcohol-related violence in a society can be reduced by refusing to serve minors and clients who are excessively intoxicated.In order to be able to reach the aim of the thesis, the subsequent questions must be answered;Has excessive drinking reduced in the bars and clubs in Karlstad City?Has it become more difficult for minors to be served alcohol in the bars and clubs in Karlstad City?Has the police reported amount of assaults outdoors diminished regarding the alcohol-related violence in Karlstad City?This research is an intervention study and uses a quasi-experimental design. The intervention itself is the method called Responsible Beverage Serving.
En jämförelse ur energisynpunkt mellan roterande värmeväxlare och frånluftsvärmepump i universitetsbyggnad
För att tillgodose den studerande KTH byggnadens framtida krav kommer det befintliga ventilationssystemet att bytas ut. Två olika möjliga värmeåtervinningssystem har jämförts ur fjärrvärmebehovssynpunkt. Det befintliga systemet med vattenburen batterivärmeväxlare har en låg värmeåtervinningsgrad och Akademiska Hus önskar system med högre värmeåtervinning. I byggnaden har roterande värmeväxlare och frånluftsvärmepump för uppvärmning av tilluften jämförts. Då värmeåtervinning från dessa system inte är tillräckligt kommer fjärrvärme att används.I beräkningarna jämförs fem roterande värmeväxlare mot varierande antal frånluftsvärmepumpen.
Torrefaction of biomass : a comparative and kinetic study of thermal decomposition for Norway spruce stump, poplar and fuel tree chips
Stump biomass is energy rich and stump harvesting for use as fuel become more and more
interesting in Sweden. Swedish Forest Agency (2009) has estimated that stump harvesting in
Sweden would respond to an annual energy supply of 57 TWh/year. However, stump has not
been recognized as a bioenergy resource in Sweden. Suitable methods for pre-treatment of
stump are probably of great importance to make it accepted as fuel. It is therefore rewarding
to carry out an investigation in this area for stump.
This report represents results from a diploma project, which was aimed to develop a fixed bed
reactor for experimental study of biomass torrefaction, followed by TG analysis and kinetic
modelling employing Ozawa method and different kinetic models including one-step and
three-pseudo-component models.
Barns idrottande ur ett socioekonomiskt perspektiv
In the society there is different kind of people that belongs to different groups. The different groups that people belong to are depending on where you live, grow up, ethnic group, level of education and which economic standard you have. The subject of our composition is about children and teenager growth environment and about what society they belong to and how it affects their possibility to exercise. Our composition is built from the question:
Are there any differences connected to exercise in an association compared to spontaneous exercise based on economic standard and what district of the city you live?
To be able to find an answer to our question we have chosen to concentrate on three districts in the city of Helsingborg.
Att ta vara på solens fulla uppvärmningskapacitet
The purpose of this bachelor´s report is to expand the knowledge about heat supply of a small house in Malmö. The heat supply will be provided from solar panels in combination to two accumulator tanks which will storage the up heated water and a pellet boiler.The technique used here is warmth storage in water over seasons, which will provide the total need of heating for the house. Accumulator tanks in combination to solar panels gets more and more common in Sweden but this far it´s unusual to use it for storage over seasons. This report will highlight many of the difficulties associated whit heat storage and give information about a system's possible design and function.The design of this system is decided early on. An accumulator tank is placed 2 meters down in the earth on the backside of the house.
Utvärdering av möjligheten att tillvarata energi ur processvatten : En undersökning gjort vid Olofsfors AB på uppdrag av UMIA AB.
The company Olofsfors AB manufactures drive belts for forest machinery, known as ECO-Tracks, and abrasion-resistant steel and cutting edges for graders, excavators and tractors, known as Bruxite and SharqEdges. Manufacturing these products requires the steel to be heated and molded, then submerged in water and hardened. The water used in the hardening of steel is pumped to the process from pits below the floor and then pumped back to the pit after it?s been used. Since the temperature of this water rises after being used to harden the steel the temperature of the pumping pit needs to be adjusted to maintain its setpoint of 21°C.
Specialpedagogens funktion - andra yrkesgruppers perspektiv
The purpose of this study is to achieve a greater understanding of the perception of the use of Special Educational Needs Coordinators? (SENCOs?) competence in school. The informants of this study are the director of the school district, two principals and six teachers in two schools in a municipality in Sweden. The method used for this study is qualitative interviews, and the results have been analyzed using perspectives on special education. The results show that the director of the school district has one ideal view of SENCOs working close to the principals with supervision of teachers, school development, administrative tasks etc.
10 kamp i fjärrvärme : Hur ett befintligt fjärrvärmesystem kan bli mer effektivt
Fjärrvärmen utgör idag ungefär 12 % (48 TWh) av Sveriges totala energianvändning. Starka argument att använda fjärrvärme för att tillgodose bostäders och lokalers värmebehov är möjligheten att använda olika bränslen av skiftande pris och kvalitet, den goda verkningsgraden en centraliserad värmeanläggning erhåller samt fördelen med att kombinera produktionen av el och värme.Halmstad energi och miljö (HEM), förser Halmstad och närområdet med fjärrvärme och total mängd producerad energi uppgick 2009 till 596 GWh. Avfall och biobränsle utgör den största produktionsandelen men även industriell spillvärme samt mindre mängder olja och naturgas används för att framställa värme.Konkurrenssituationen för fjärrvärme är på många orter i det närmsta monopolistisk där en stor aktör äger hela marknaden. Det är viktigt att förbättra fjärrvärmesystemet för att i framtiden behålla dess konkurrenskraft. Följande rapport utreder och beskriver åtgärder för att göra ett redan befintligt fjärrvärmesystem mer effektivt.Utifrån möten med personal på HEM har tio punkter presenterats, vilka utvärderar olika delmoment i Halmstads fjärrvärmesystem.
Månadskostnader vid investering i ny bostad : En jämförelse av olika investeringsalternativ och deras ekonomiska påverkanvid införskaffning av ny bostad.
This is a work that look at the factors that affect future monthly costs when buying a house in Sweden and which options are the most financially favorable over a 30 year period. The work also examines whether it is economically beneficial to invest in a low-energy house regardless of geographic location in Sweden, and discuss about whether a calculation template can help individuals to choose more environmentally friendly options. The work has been limited so that a certain number of predetermined factors and its measurable values have been developed with the help of a literature study. The factors chosen are building type, climate, heating systems, loan interest rates, energy prices, energy price increases, inflation rates and down payment. These are then combined into 72 different calculation cases which get put in a calculation model made in excel.
Planering av väginvesteringar :
The problems around and the planning of wood flow is some of the most complex issues in the forest-sector. The experience and overview of the single employees is crucial for the possibility of correct tactical and economical decision-making. The increasing demand of savings and shorter reaction-times with greater flexibility in the wood-supply-chain, makes solutions and aids for improved effectiveness in the work and processes according to wood-flow urgent.
Holmen Skog is starting to develop a new forest-road-management-system. The system will facilitate the work according to construction, improvements and updating the standard of roads.
Påverkar mineralbalansering hälsan? : upplevda effekter hos vuxna med visuell problematik
Diabetes mellitus type 2 and chronic obstructive pulmonary diseases (COPD) are two of the most common diseases in the world and the amount are increasing. The treatments of these diseases are self care and a change of lifestyle. For this to be successful there is a need for the person to have knowledge about the diseases and a motivation for making changes in his or her lifestyle. Most of this information is given by the district nurse at the health centre. It is important to get a better knowledge of these persons experiences and how they used the information given to them.
Omfattningen av icke avverkade områdeni samband med slutavverkning :
This final thesis is performed on commission of Torsby forestry administration, Stora Enso Skog. Stora Enso Skog is one of the major forestry companies of Sweden. The main business area is located in and around the region of Bergslagen.
During the last decade the practice of forest management has rapidly changed due to a new forest legislation. The new law has resulted in that the production goal is equal to the environmental goal within forestry.
Solenergi i Norrra Djurgårdsstaden
This report will examine various solar energy technologies in order to decide if they could be applied in the Royal Seaport. The Royal Seaport is a Swedish urban district under development in Stockholm, with the goal of becoming a sustainable district. Two main techniques, solar collectors and solar cells, including sub-categories, are addressed in this report. Another sub-category, a hybrid system, will also be mentioned. The main difference between solar collectors and solar cells is the type of energy produced by the system.
Ekonomi i Passivhus : En studie av två verkliga byggnader
The aim of this report was to investigate the economy of passive houses. The work was focused on economy in total and on the economy of different components such as windows, insulation, heat exchanger and the air tightness of the climate shell. No attention was paid on the comfort factor or to the impacts on the environment.Two houses, aspiring to be passive were chosen; A big one and a small one. Hence, comparisons considering the size of the building have been possible to do as well.The comparisons were made by calculating ?break even? between two concepts; passive and BBR- concept.