At the Division of Electricity at UppsalaUniversitythere are ongoing researches, including a research concerning turbo generators.Turbo generators produce a large share of electricity in the world; however they are costly mainly due to the fact that the cooling and ventilation that are needed to eliminate the excess heat from the generators are expensive. Turbo generators work with high efficiency and in this project, the main task is to simulate a generator while taking into account that the generator must be designed against self-oscillation, centrifugal force, exhaustion and heat. The turbo generator must be simulated without being too expensive and complicated.In this project, the dimensions of the turbo generator depend on the efficiency of it, and where the losses are in the generator. Furthermore, the optimum values need to be chosen with the help of the ACE simulation program. The report begins with an introduction describing the project followed by a task description that is dealing with the project.

A clean and affordable energy source for cooking is deficient in developing countries. People rely on fuels that contribute to environmental, social and health problems.Biogas is an alternative energy source and an increased investment in small-scale biogas production can in several developing countries be found. Several projects have started to use the technology in developing countries because of the benefits with biogas. Some cases in the establishment of biogas plants have succeeded and some have not. The study is a literature review supplemented by two field studies.

Today?s housing system for laying hens has limitations for the hens natural behavior. Despite the current law of prevention of cruelty to animals, this might implicate health problems for the hens. This degree project is aiming to improve the situation for laying hens in cage-systems. The aim with our project is to bring forward a draft of a cage that improves the welfare of laying hens.

Enligt rapporter från Arbetsmiljöverket är arbetsrelaterade besvär som inte beror på arbetsplatsolycka vanliga inom trädgårdsnäringen. Orsakerna till besvären är huvudsakligen en följd av påfrestande arbetsställningar, korta upprepade arbetsmoment och tung manuell hantering. Syftet med denna litteraturstudie var att beskriva vad trädgårdsmästare bör tänka på vad gäller belastningsergonomi för att minska risken för skador i sitt arbete. Sökningar gjordes i databaserna Medline via PubMed, ScienceDirect och Academic Search Elite med sökorden horticulture, gardening, agriculture, ergonomics, pruning, shoveling, stoop, lifting technique and musculoskeletal injuries.Resultatet visade att när det gäller lyftteknik och arbetsställningar bör man i möjligaste mån undvika att utföra dessa med en framåtböjd överkropp och raka ben. Denna kroppshållning visade sig vara sämre i jämförelse med andra tekniker och kroppspositioner med hänsyn taget till påfrestningsgraden av ländryggen.Även vid grävning finns per automatik ett starkt inslag av att luta sig fram med böjd överkropp med den följden att ryggen utsätts för krafter som kan vara skadliga.

"Outstanding" or "They ought to know more about computers" : A study on computer support at university libraries.The main purpose of this study is to investigate the support computer users are given at university libraries. Further, the aim is to find out if the users thought they received the support that they needed. The study is carried out at two different university libraries. The data is obtained through interviews with the librarians, observations of the daily work at the information counters and questionnaires handled out to the users.The study indicates that variables such as knowledge, time and equipment play a central role in making the computer support successive. To a great extent the computer support is synonymous with information search, but it also deals with word processing and technical support connected with computer errors.

Sammanfattning:De ökande testdatavolymerna som krävs för att testa moderna System-On-Chip (SOC) bidrar i hög grad till den ökande produktionskostnaden. De stora testdatavolymerna kräver stora och dyra Automatic Test Equipment-minnen (ATE-minnen). För att minska behovet av dessa minnen så har olika komprimeringsmetoder utvecklats.Denna rapport beskriver arbetet med att implementera en given komprimeringsmetod för testdata till SOC. Den metod som används heter vector repeat och den implementeras genom skapandet av ett för ändamålet avsett dataprogrogram. För att vector repeat ska fungera effektivt så förutsätts det att in- och utgångarna på den ATE som används kan delas in i olika portar.

This thesis is a product development project that was performed at Alfa Laval Tumba AB. In the past Alfa Laval have manufactured gas separators for engines where gas flows were cleaned from oil. A new business area for this kind of technology has shown to be the manufacturing industry where oil mist has to be separated from the vented air. Therefore a new and bigger design is needed to be able to handle the greater gas flows. A product like that would be a strong competitor on the market when the maintenance would be low in comparison to today?s equipment.During the project several concept suggestions were developed using customer interviews and research as input.

The purpose of this thesis is to describe and analyze how the mining equipment producers on a global market manage to handle the changing conditions concerning customer value. Our approach has been a comparative analysis between two different sites in order to answer the purpose. The case studies at Metso Mining have been made through interviews and visits at two geographical markets, South America and Scandinavia. The theoretical framework applied on our empirical findings is based on Blue Ocean Strategy, Customer Value and Resourced Based View. The empirical foundation is based on interviews with Metso Mining employees at Sorocaba in Brazil and Kiruna/Gällivare, Trelleborg and Staffanstorp in Sweden.

The accounting information system comprises budgeting, accounting, and costing. The accounting information system has, traditionally, constituted an integrated system where the different elements collaborate. If ABC is introduced this order is disturbed, since ABC is based on another logic which cannot easily be integrated with budget and accounting. ABC, therefore, is usually used parallely to the conventional costing method. There are, however, companies that have taken its ABC one step further by letting it replace the old costing model and integrate it with the accounting information system.

This essay includes the planning and designing of a house as well as writing a rapport about howto increase fire safety in small buildings.More than 6000 homes burn in Sweden every year (Brandskyddsföreningen, 2012c). Thedevastation and the costs are usually very high. This report examines possible measures to reduceboth personal injuries and economic losses resulting from house fires in small buildings.Swedishbuilding regulationsplay a major role when it comes to constructional fire safety. However therequirements inSwedish building regulations are very low for small buildings and this is anargument for raising the requirements.The report shows and describes possible methods to build safer with regards to fire in terms ofmaterials and different building structures. Major focus has been on fire cells but other solutionsare also examined and described.

Detta uppdragsbaserade arbete är en del av ett stort projekt som Göteborgs Hamn AB driver, vars syfte är att förnya det nuvarande brandskyddet i Energihamnen och även möta framtida krav. Syftet med föreliggande studie var att undersöka vilka förväntningar personal vid rederier och fartygsbefäl som regelbundet anlöper Energihamnen har på Göteborgs Hamn AB:s brandskyddsutrustning och brandberedskapsplaner. Vidare undersöktes vilken brandskyddsutrustning några av de tankfartyg som regelbundet anlöper Energihamnen har ombord, även vilka krav som ligger till grund för den utrustningen. För att få svar på ovanstående syfte kombinerades intervjuer med personal vid tre rederikontor och fem fartygsbefäl från samma rederier med en litteraturstudie. Litteraturstudien består av en sammanställning av de regelverk som ställer specifika krav och rekommendationer för det brandskydd som ska finnas ombord på tankfartyg.

Uppsatsen Ingenjörkompaniets förändring från NBG-08 till NBG-11 ? En myt eller sanning? behandlar ingenjörkompaniet under Nordic Battlegroup-08 respektive Nordic Battlegroup-11. Uppsatsens skildrar de skillnader vilka fanns på respektive kompani avseende organisationen, materiel och utrustning samt de krav och uppgifter vilka kompaniet hade. Detta har genomförts med en komparation mellan de respektive kompanierna.Syftet med uppsatsen är att se vilken inverkan tidigare organisationer har på framställandet av en ny organisation under respektive Nordic Battlegroup. I detta fallet ingenjörkompaniet under respektive Nordic Battlegroup.En komparation mellan de två olika kompanierna innefattande tre av de grundläggande förmågorna verkan, rörlighet och uthållighet har genomförts kopplat mot två av krigsföringsförmågorna, konceptuella- och fysiska förmågorna.Resultatet av studien visar att slutsatser kopplade till i huvudsak brister kring kommunikationen mellan respektive ingenjörkompani där inget eller mycket begränsat erfarenhetsutbyte genomförts mellan dessa.

The purpose of this thesis is to examine how two separate museums have realised the task of digitizing their collections, as well as to learn what options, possibilities and resources have been available to them during this process. Additionally, the aim here is to find how the two museums have dealt with problems in connection to the digitization projects, since there are as-of-yet no established regulations or standards to guide them in their digitization efforts. However, national and international working groups seeking to establish better collaboration between archives, libraries and museums ALM institutions have recently begun to formulate recommendations and suggested standards. Some of these recommendations have been used here as a theoretical framework in the examination of the two museums. The research questions posed are: What options, possibilities and resources have been available to the museums in their digitization projects, in terms of economy, staff, technical equipment and time?; For what purpose are the museums digitizing their collections?; and How does their purpose influence the process and chosen procedures? Also discussed here is how the museums relate to some of the existing recommendations.

The Swedish consumption of lamb a increasing, and today we yearly eat a kilo of lamb per person each year. As a consequence the Swedish degree of self production according to lamb is steadily decreasing, and is today about 39 %.Today Swedish Meats is now cooperating with the Swedish lamb breeders organisation to raise that percentage. At the same time the European Union presents a new agricultural reform, the MTR (Mid Term Review). The shape of this new reform is not yet fully known, but the general policy has been more or less outlined. The new reform is split into three propositions: the farm model, the regional model and the mixed model.

A power system will inevitably be subjected to transient overvoltages, most often produced by switching operations and lightning strikes. These transient overvoltages may harm sensitive equipment without sufficient protection, but it is not an easy task to predict what transients may occur or how they affect the system. A fault occurred in a low voltage system at Forsmark 2012 and overvoltages from lightning were concluded as the probable cause. The three aims with this thesis are to develop and test a model of the power system at Forsmark 3, analyse the transient behaviour of the system when subjected to lightning surges and identify critical parameters, and lastly to provide a tool for investigating the protection of the system. The modelling and simulations were performed in the freely available simulation program LT Spice.