Ever since ABB has begun diecasting their rotors instead of permanent mold casting it,variation in the quality of the cast has arisen. Diecasting is performed in three differentmachines, M1, M2, M3 with 400, 660 respectively 800 tons of die locking pressures.The aim of this thesis is to answer the following questions:What is the ?right? cast quality? How is the right quality achieved?For sizes 160-180 solutions will be proposed that consider eccentricity between thelaminate and the short circuit ring as well as elimination of the thin Al film that appearson the outer periphery of the rotors.Through considering the statistic material the most often diverging rotor type has beenidentified and one of the actual rotors has been sent to a laboratory to be analyzed inorder to establish the current defects. The result of the analysis shows that there areplenty of gas- and oxide-porosity.It has been proved that every time the dies temperature decreased below 120°C thecontent of gas porosity increased. It is due to rapid solidification of metal that flowsthrough the ?cold? laminate.It has confirmed that enhanced porosity in squirrel cage causes high impedance in therotors.

Food-poisoning is a major health problem and an estimated half a million Swedes are food-poisoned annually, with acute gastroenteritis as a consequence. One of the major causes of contaminated foods is related to food- and waterborne viruses. To be able to trace back the source of contaminant, the method of detecting viruses must be specific and sensitive. No standardized method for detecting foods for sapovirus exists today. The aim of the work described in this bachelor thesis is to implement and opti-mize a real-time RT-PCR method for the detection of all genogroups of human sapovirus in foods.

The paper is a thesis made by three students in the engineering program at Jönköping School of engineering. The thesis was overseen by the urban planning office and features data from Jönköping County.The purpose of the thesis is to improve future central districts by improvement of work methods. The aim of this thesis is, through an evaluation of process mapping, develop a model for systematical work methods with better experience feedback in the urban planning. The following three questions have been answered:? How is the process mapping of the urban planning in Jönköping County built today and how did it affect the current district Kålgården?? How can the urban planning of Jönköping improve with a more systematical work method with better experience feedback?? How can critics elaborate the developed method to make it enough stable and in general applicable method to enforce on future districts?Literature studies and interviews were made to review the work methods of the office of urban planning as well as how their experience feedback works.

Det ständigt ökande trycket på minskande utsläpp och effektivare energianvändning driver utvecklingen av Scanias produkter. För att varakonkurrenskraftiga på marknaden behöver man leverera lastbilar med högre kvalitet och lägre bränsleförbrukning, det vill säga sänka transportkostnaderna förkunden. Ett steg i detta är att utveckla komponenter i fordonet som är optimerade iförsta hand med avseende på hållfasthet men även mot vikt och pris. En betydande andel av lastbilens komponenter är plåtfästen som ofta underprioriteras i produktutvecklingen. Examensarbetet fokuserade därför på att utveckla metoder för konstruktion av plåtfästen.En metod för att förbättra konstruktionerna är att arbeta med simuleringsdriven konstruktion.

This report is the result of a thesis conducted at the consulting firm Bjerking AB andis the final part of the Bachelor Programme in Construction Engineering at Universityof Uppsala. The work aims to investigate the costs and how the choice of ventilationsystem affects building projects during a long-term period. This report covers costssuch as investment, maintenance and energy but also how they affect residents andbuilders. Building regulations for energy consumption are expected to be tougher;therefore a comparison of two different heat recovery ventilation systems(HRV-system) was made. One system is based on a centrally placed unit that coversthe whole buildings ventilation through vertical shafts.

Immersion is a construct that measures how deeply engrossed a user is with any mediated situation. In the field of game design, immersion is a significant aspect of what makes a game enticing, and as such it is of pivotal importance to create and maintain it to keep the player's mind off the real world while inside the confines of a game framework. According to the GameFlow theory, it is one of seven key tenets of evaluating and implementing a successful game design. Yet, certain multiplayer online games are designed in a fashion that in some cases seem to break immersion, where the player is frequently put out of action, sometimes for minutes on end. In this study, using online questionnaires, we discover that players, despite claims otherwise, seem to be in several ways affected negatively by this breaking of immersion.

Immersion is a construct that measures how deeply engrossed a user is with any mediated situation. In the field of game design, immersion is a significant aspect of what makes a game enticing, and as such it is of pivotal importance to create and maintain it to keep the player's mind off the real world while inside the confines of a game framework. According to the GameFlow theory, it is one of seven key tenets of evaluating and implementing a successful game design. Yet, certain multiplayer online games are designed in a fashion that in some cases seem to break immersion, where the player is frequently put out of action, sometimes for minutes on end. In this study, using online questionnaires, we discover that players, despite claims otherwise, seem to be in several ways affected negatively by this breaking of immersion.

The purpose with this work is to investigate the cost to produce piglet in a case study company. The starting point is going to be the agriwise (www.agriwise.org) calculation which I am going to change and adapt to the case study company. To day the pig market is bad but we have probably reached the bottom. The market has started to rise. It is no business to produce piglets today.

Material handling is a term that includes all kinds of handling of material from a raw product to a finished one. ABB is active in the following segments; foundry, packaging and palletizing, metal industry and plastics industry.The demands for efficiency and reliability have been set very high in the industrial sector. Optimizing of the material handling will give the company higher cost-effectiveness. Around the robot there are different kinds of material flows, to optimize the cycle time, consisting of carriages combined in different ways.Motion Control is a complex system with main functions such as; positioning, synchronizing, indexing and more. The products in the system need to cooperate to make these functions possible therefore integration of motor- and servo products are important.

During a major part of modernity the concept of identity was something that in many ways was predetermined for the individual. People in general remained in the same social spheres as the generations before, shared common religions and beliefs and where more or less bound to a geographic area. Identity and lifestyle was something that was adapted quite unreflected from habit and tradition. Though, during the cultural modernisation process that took place in the twentieth century, previous shared patterns of interpretation vanished and became individual.  Finding references, constructing an identity and establishing a self became individual.

One problem in today?s indoor air quality lies within insufficient ventilation. Dynamic ventilation can be obtained by implementing a Demand-Controlled ventilation (DCV) system. DCV systems adjust the ventilation in a building by calculating the impact made by its? occupants.

Hammarby Sjöstad is a new district in Stockholm with high environmental standard. Stockholm Water Company evaluates a local wastewater treatment plant with cutting edge technology. The first step is an experimental treatment plant (Sjöstadsverket) with four parallel lines of treatment, each with a capacity to treat wastewater from 150 persons. Within the membrane technology subproject the possibility of using reverse osmosis (usually called RO) to regain nutrients is examined.Reverse osmosis separates the incoming water in a clean permeate and a concentrate that, as the name indicates, is a more concentrated version of the incoming water. Using this method in wastewater treatment, a solution high in nutrients can be obtained without the use of chemical precipitation agent and with no production of sludge.

The purpose of this thesis is to cast light on the residential area Rosengård in Malmö which during the years between 1965 to 1975 was part of a programme known as "Miljonprogrammet", a project which was supposed to put an end to the housing shortages. The purpose of this thesis is also to investigate the social consequences in Rosengård, which arose as a result of Miljonprogrammet. Rosengård is one of many immigrant-dense suburbs in Sweden that by the media is given an exaggerated negative portrayal. Through our work, we also want to bring out and highlight the true image of Rosengård. The questions that have served as our starting ground include; what were the thoughts behind Miljonprogrammet? What were the consequences of Miljonprogrammet? What does the true image of Rosengård look like? What can the new government do in order to improve the situation in Rosengård? In order to answer these questions, four interviews were conducted with specifically chosen people.

This report describes an investigation of the indoor climate in two different workspaces. Since we a big part of our lives are staying indoors in artificial environments, and more particularly in our workplaces, we think it would be interesting to do this investigation. The technical solutions for air treatment systems began with simple natural systems without fans and where the thermal rise of the air applied. In modern time is technical air treating systems used to take care of the fresh air supply. This type of units can supply filtered air with the right temperature to the building. Well-functioning ventilation is essential to bring clean fresh air to the room and effectively remove impurities without sound- or draught problems. The indoor climate is relevant for the output capacity.

In this report statistics concerning the reliability of sprinkler systems from seven countries has been analysed. The objective of the report has been to determine the reliability of sprinkler systems in Sweden and to present suggestions on measures to increase the reliability. The main conclusion that has been drawn is that the reliability of sprinkler systems in Sweden is 92 percent according to the analysis of Swedish statistics, and that this figure finds support in statistics from other countries. Further results are that the quality of design, installation, maintenance and inspection of sprinkler has to be improved and that the Swedish incident report has to be revised..