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3449 Uppsatser om Power line - Sida 27 av 230
Val av energisystem för en hållbar stadsdel : En fallstudie av Östra Sala backe
Uppsala County has ambitious environmental aims for the planned residential area inÖstra Sala backe. In this thesis different energy sources have been evaluated todetermine which system that would be most favorable given currently availableinformation about the project. Planned energy usage has been divided into tap waterheating, space heating and power. Three base case scenarios were made with districtheating, small scale bio fuel and heat pump. Solar power and solar heating were thensimulated and the production from the two could individually be deducted from theenergy need in the base cases, constituting 9 different scenarios.
Bulleremissioner från vertikalaxlade vindkraftverk
Wind power in Sweden is expanding in response to the government's decision that 49% of Sweden's power should originate from renewable energy sources by the year 2020. Problems with noise and sound emissions related to wind turbines are a constant argument against the wind power expansion and this paper means to examine if vertical axis wind turbines might be a viable alternative to the conventional horizontal design for noise sensitive areas. In order to determine factors like difference in frequency, noise propagation and noise emission level, measurements of both horizontal and vertical axis wind turbines have been completed and the data analyzed with MATLAB. It is shown that there is a difference in how the noise from the two types of turbines propagates due to avariation in the frequency spectra of the emitted sound. It is also shown that vertical axis wind turbines generate a lower sound emission with less intensity inthe lower frequencies..
Kunskapen, professionen och makten ? En kvalitativ studie om socionomens villkor och förutsättningar
My main purpose with this study is to investigate how the social worker relates to knowledge, power and profession. From this purpose has also the concept ?to be a social worker? emerged.The study is based on a qualitative study and consists of semi-structured interviews with seven social workers from different fields of expertise.The result of the study shows that the knowledge is dependent of different fields of expertise. But in the contact with the client, regardless of field of expertise, the knowledge is gathered through a reflective pattern. Through theoretical attempts and earlier experience from social workers, this is brought to life in this unique meeting.
Utveckling av ett användbart IT-stöd : för att stödja operativa arbetsrutiner
Nuclear power production carries potential risks both for the environment and for the work force. Different safety measures are employed and they stem from local rules as well as from regulatory authorities. This work describes the development of a safety promoting tool at Forsmark Power Plant, one of Sweden?s three Nuclear power plants. We describe the development of a computer based system for Pre-Job Briefing and Post-Job Debriefing.
Att tala fritt är stort, att tala rätt är större - En komparativ analys av statens användning av språk som instrument i nationsbyggnadsprocessen i Ukraina och Kazakstan
This thesis is a comparative analysis of language policy in the Post-Soviet states Ukraine and Kazakhstan, wherein the states are seen as rational actors using language as an instrument in the nation-building process. With a take-off point in an underframe of theories on the nation, national identity, instrumentalism, power and the particular role of language in the nation-building process, this thesis shows that language is a key instrument used by the two states.The Ukrainian and Kazakhian language policies create and put across a certain image of the nation, by emphasising the titular languages as symbols of the new states. The line of argument in the language policy is a balance act between large-scale promotion of titular languages and a careful and inclusive attitude towards the Russian language. The biggest differences are that Ukraine, compared to Kazakhstan, has a more comprehensive and consequent language policy with a deeply rooted historic rhetoric. The most obvious instruments of the states in language policy is censuses, corpus-planning and the state choosing one official language..
Lamellrandsröta i hästhoven :
SAMMANFATTNING
Jag har skrivit om en hovsjukdom som drabbar hästar, den engelska benämningen är White
line disease. Det finns inget korrekt namn på svenska, men vi kallar det för lamellrandsröta.
Den engelska benämningen är den mest använda.
Sjukdomen kom in i Sverige i slutet av 1980-talet, man tror att det var via importerade
travhästar från USA. När den i slutet av 1990-talet fick fart i Sverige började den också att bli
ett problem.
Ambitionen är att få en inblick i vad lamellrandsröta är och vad den samlade kunskapen är
idag bland fackfolk och praktiker. Godtyckligt har jag valt ut och ringt runt och intervjuat ett
antal personer som har stött på detta problem, hovslagare, veterinärer och hästägare. All fakta
som inhämtats har jag sammanställt, men det finns fortfarande många frågetecken att reda ut.
Ett bekymmer är att expertisen har så varierande kunskap och syn på sjukdomen.
Idag vet man att det är anaeroba (syreskyende) organismer som orsakar rötan.
Bibliotekarierna och bilderna av dem En jämförande studie
The aim of this study is to examine a number of Swedish working public librarians and compare them with some popular standard images of librarians. In this project we have been working in line with these three questions: How do the librarians describe themselves and how can the descriptions be interpreted? What images are the most common and repetitive, according to earlier research? What differences and similarities are there between the images of the librarians and the working librarians? To answer the questions we have performed seven qualitative interviews with working librarians and collected relevant literature that presents various portrayals of librarians. To interpret the interviews we have used Pierre Bourdieus theories of social space, social fields, habitus and the cultural, academic, social and the economic capitals, as well as the connection between individual taste, class and social power. The conclusions of the collected material of earlier research and the interpreted material from the interviews have been compared and discussed.
Ledarskap för att främja hälsa hos medarbetare : En fallstudie om hälsoarbete på linjechefsnivå
The author?s common interest for healthy employees, brought reasonto study how line managers can manage and develop this withsupport from HR. Previous research highlights that knowledge ofhow health is promoted is missing. Line managers have a key role inworking with contributors´ health. The aim of the study is toinvestigate how managers are working for the well-being ofemployees and which aid dedicated to line managers from the HRfunction, and how support and the work with employees? health canbe developed.
"Jag blir den du säger att jag är" : Intagnas upplevelser kring bemötande och maktutövning på kriminalvårdsanstalt.
Prisons are for many an unknown world, and few know about the prison culture which includes unwritten rules, power structures, interactions and relationships between inmates and correctional employees.While many think that Swedish prisons are too comfortable,inmates are facing extreme stress due to surveillance and detention, by depriving inmates their possibility to shape their own lives. When the inmates is deprived of control over their own life?s the penal system have great power to shape and to influence the inmates.The purpose of this paper is to investigate prisoners' experiences of treatment and exercise of power in prisons. Starting point is to examine what are the kinds of relationships between prison officers and inmates from a power perspective, if there is any difference between the closed and open prisons and how the inmates affected by the structures that exist.Based on my overall purpose, and with my informant´s stories which revealed a number of similar points, four main headings were developed; Mass media and society´s view, and unknown world, interaction between inmates and prison officers and consequences.Prison officers with the role as a contact persons as well and other staff which work close to the inmates play a significant role by supporting through motivational interviewing and can help the inmates to gain insight about their life situation and actions. My informant?s underlined that a good contact person can either help or discourage.Inmates who contributed with their experiences express that there is a big difference between open-and closed prisons.
Utveckling av licenshanteringssystem för kontroll av programåtkomst
Ett system utvecklades för företaget Monitor i Hudiksvall. Syftet var att skapaett system som kan kontrollera vilka funktioner ett program kan komma åtutifrån den licens som kunden har betalat för, i form av en licensfil. En analysav företagets befintliga licenshanteringssystem gjordes för att identifiera vilkaproblem som behöver lösas i det nya systemet. Arbetet har använt en agilmetod med små inkrementella leveranser och ständig kundkontakt. Eftersomsystemet fungerar som ett API och använder sig av nätverkskommunikationöver potentiellt osäkra nät, har kryptering av datatrafik med tekniken SSL/TLSanvänts.
Kalibrering av en transient GT-Power modell av en SI PFI turbo motor
I detta arbete behandlas transient simulering i ett 1D-simuleringsprogram, i dettafall Gamma technologies GT-Power. Vad som behöver ändras i en modell för attden skall kunna simulera en motor under transienta driftsfall med godnoggrannhet har undersökts. När detta är gjort, skall det undersökas hur väl dentransient kalibrerade modellen kan simulera en motor med förändrad rörgeometripå insugs- eller avgassidan, och vad som måste omkalibreras om detta inte ärfallet.Den viktigaste slutsatsen av detta arbete är vikten av att ha en korrekt framtagenkompressormapp i modellen. Den som fanns tillgänglig under arbetet hade baramätdata ned till 70000 rpm. Detta resulterade i en överskattning av massflödet iden lägre regionen i den av GT-Power framställda kompressormappen.
Föräldraskap, kön och jämställdhet i Maria Svelands Bitterfittan
The aim of this Masters´ thesis is to examine parenthood, gender and equality. The analysis is based on the novel Bitterfittan. The primary theoretical points of departure are Judith Butler?s theory about doing gender and Yvonne Hirdman?s theory about the gender system, the hierarchical order and the separation of the sexes. I use Lisbeth Bekkengen?s thesis in which the nuclear family is seen as an institution which is upheld by two structures; that is the social relationships man-woman and parent-child, and also by two discourses; on the one hand a notion that fathers and mothers are principally different and on the other hand the child focus.
Representativa testnät försvenska eldistributionsnät
This project was started within the Market-Design programme of Elforsk, with the aim of developing representative test systems of Swedish distribution networks. Using such test systems as a basis for reliability and customer interruption cost calculations makes it feasible to analyse the network tariff regulation of Swedish power istribution companies. In particular, it enables studies of the incentives for companies to invest in system reliability. Until now, the available test systems are either not representative of Swedish conditions, or too small in scale and limited in function.Within this project we have created two test systems. In order to represent the diversity of actual Swedish distribution networks, we have created one test system for urban environments and another for rural environments.
Migration losses of Atlantic salmon (Salmo salar L.) smolts at a hydropower station area in River Åbyälven, Northern Sweden : passage fates at a reservoir, a power house and a bypass structure
A large number of rivers in northern Sweden have hydropower developments that cause negative effects on both up- and downstream migrations of anadromous species like Atlantic salmon. So far, most attention has focused on the hindrances of adult fish during their upstream spawning migration. However, since turbines in power stations cause losses on downstream passing fish, the focus on negative effects on smolts has increased. The aim of this study was to compare three different causes of losses of salmon smolts passing downstream through a power station area in the flow-controlled River Åbyälven in northern Sweden.A total of 61 wild salmon smolts were caught and radio-tagged in the River Åbyälven during their downstream migration in June 2009. The salmon smolts were released at three locations, 1.1 km upstream from the power station, in the turbine intake and in the upper part of a fishway, acting both for up- and downstream fish passage.
Vindkraft för uppvärmning
This final thesis contains three major parts, which all have been time demanding:* Designing and construction of a small wind turbine.* Designing and construction of an electrical system.* Thesis with fundamental facts about wind, wind power and design.The thesis contains basic theory in wind power and the energy systems it can be combined with. Different types of wind turbines, which components they consists of and important issues to consider when designing is also mentioned. In the end of this report the technique of our wind turbine will be presented. In the end you can also read about our experiences during the time of designing and construction..