The market for heavy duty engines is constantly requiring engines that should be more andmore powerful, while still maintaining low fuel consumption. As a result of increasing enginepower, the engine and coolant temperature increases as well due to insufficient coolingperformance (because of design issues, cost etc.).Also, emission legislations, both current and future, require more and more measures to betaken by engine manufacturers. One way of meeting the legislations is the use of cooled EGR(Exhaust Gas Recirculation), which also lead to increased coolant temperatures.Both these factors also naturally lead to increased engine oil temperatures, the consequencesof which are not thoroughly investigated.This thesis project aims to investigate effects of high temperatures on engine oil degradation,with focus on the greatest degradation process: oxidation. To do this several engine runs havebeen performed on a 310 hp engine with EGR to see what happens to the engine oil in a realengine when exposed to high temperatures. During the tests oil samples have been taken andanalysed for important parameters.As a complement to these engine tests some laboratory oxidation testing have also beenperformed, to be able to compare engine test data with laboratory tests.One goal of the project was to try to formulate an empirical oxidation model, which would beable to predict oil oxidation levels in an engine, given any running parameters.

Uppsatsen är ett examensarbete på 15 hp inom produktdesignprogrammet på Malmö högskola. Projektet hanterar blöjors utformning med ett resulterande förslag på hur denna produkt kan förbättras, med en fördjupning inom hållbar utveckling. Resultatet blev en blöja med inlägg, för den mer omedvetna konsumenten, som minskar antalet byten och därmed mängden miljöpåfrestande material som behöver tillverkas och slängas I fördjupningen intervjuades Olof Kolte, framträdande industridesigner som verkar inom hållbar utveckling, och en litteratursökning på området utfördes. Förundersökningen angående blöjor baserades främst på kvalitativa intervjuer, och konceptualiseringen baserades främst på ett antal brainstorms och en metod som kallas bakåtmetoden, utvecklad av Edward de Bono, författare och konsult inom lateralt tänkande..

The aim of the thesis was to investigate energy consumption and carbon dioxide emissions from an advertisement broadcasted on the radio or the television or distributed through press. The object was to calculate the amount of carbon dioxide emissions per individual receiver of an advertisement in Sweden. There was no room for a deeper investigation into editorial work within the framework of the thesis. Consequently, main focus of the radio and television study was on broadcasting itself and the components involved. Focus for the press study was on paper production, printing and distribution. Production and discarding of media equipment was not taken into account.

Sustainable development has become more and more important over the past years. The term Corporate Social Responsibility (CSR) is closely connected to sustainable development and focuses on organizations responsibility towards the society and the environment in which it exists. Companies within the mining industry were among the first to initiate CSR-work due to the fact that they have a great impact at the local community, both socially and environmentally. Today they are still in the forefront of the development of CSR-questions in general, and community involvement and development in particular. Earlier studies made on this area have focused on the strategic level of community involvement and development.

Since a few years back television has been on a verge of an enormous digital change. Web-TV is now growing at an incredible rate and is said to completely change the way we consume TV. The purpose of this essay is to determine and gain an understanding of how representatives of the broadcast industry looks at the phenomenon of web-TV and especially the different kinds of online video services and how they believe this will affect the television. Methods used are qualitative interviews which we compared with previous studies on the subject and acknowledged communication theories. The respondents were people with good insight and understanding of the media and TV industry.

Ett utvecklingsarbete av en miljövänlig färdigmatsförpackning, lätt att öppna för reumatiker, har utförts i samarbete med CC Pack i Tibro. Förpackningen är tänkt för bruk inom äldrevårdens hemtjänst. Utvecklingsarbetet utfördes genom främst fokusgruppsundersökningar och tester av funktionsmodeller. En livscykelanalys med referens i dagens plasttråg som används på hemtjänsten i Skövde har utförts för att ta reda på vilket av de två slutkoncepten som var mest miljövänlig. Tydligt vid intervjuer och studiebesök var att en rundare och mer färgglad förpackning önskades.

There are some key elements which distinguish a general operating system, such as Linux, from a Real Time operating system, such as OSE. The later belongs to the category of soft Real Time systems while Linux is a general operating system, with significantly improved real time properties after version 2.6. These improvements make it interesting to compare the two systems.When comparing two operating systems, there are a number of issues which have to be considered. One way to measure the performance of the systems is by studying the time consumption for the same functionality and hardware.During the study, the items that appeared as the most important for the performance of the systems, were: process primitives, system primitives, interprocess communication, context switches and interrupt latency.This work demonstrates that it is possible and reasonable to do performance testing on two different operating systems. The implemented tests cover a number of basic functionalities, which appeared to be the most crucial ones for the performance of the systems..

Syftet med denna undersökning var att undersöka och beskriva hur arbetet med miljö och natur kan genomföras i förskolan. Undersökningen bygger på kvalitativa semistrukturerade intervjuer med nio stycken pedagoger från fem olika förskolor, i en kommun i Västsverige. Resultatet av undersökningen visar att det finns många olika sätt att arbeta med miljö och natur i förskolan, såväl praktiska som teoretiska. Att arbeta med återvinning, kompostering och samtala om bevarandet av resurser, var några av de aktiviteter som undersökningens pedagoger brukade göra. Det framkom också i undersökningen att det i arbetet med miljö- och natur finns vissa hinder som t.ex.

I dagens samhälle blir det allt mer intressant att spara energi, dels med tanke på miljön och dels föratt minska på utgifterna. Denna energi ska sparas på ett sådant sätt att effekten för användarna blirså liten som möjligt.I denna rapport beskrivs hur ett reglersystem kan byggas för att minska energiförbrukningen hosväxthus genom att reglera belysningen på ett effektivt sätt. Systemet är helt automatiskt vilket göratt användarna inte behöver tänka på styrningen av lamporna alls när väl systemet är uppsatt ochkonfigurerat.För att styra lamporna på ett bra sätt mäts det inkommande ljuset med en PAR-sensor. Lampornatänds och släcks därefter beroende på ljusmängden och även på hur varmt, eller kallt, det är iväxthusen.Styrningen av belysningen sker med en mikrokontroller från Microchip, en PIC18F4620 som ärprogrammerad i C18. Kringkomponenter som portexpasioner, klocka och reläer användes också föratt bygga ett bra reglersystem.Resultatet är att det är möjligt att bygga ett reglersystem med begränsad budget som styr lampornapå ett effektivt sätt.

Abstract The objective of our study was to get knowledge about how teachers think when they make purchases to preschool. Do they consider making environmentally conscious purchases? Do they work actively to transfer environmental consciousness to the children?We chose to interview nine preschool teachers and one cook in two different local municipalities. Our investigation showed that there was a very low engagement in these issues. The teachers said that they were very strictly bound to already existing public contracts and did not see any possibilities to influence the preschools consumption.The teachers hade no idea that not only their work could result in environmental savings in the school, but also result in attitudes changes among the children, their parents and, in the long term, society in general.

Obesity is a problem that increases exponentially in humans and companion animals. It is defined as a big accumulation of fat in the body and is usually connected with several diseases. This study describes how obesity can be diagnosed, in which way the gut flora can affect obesity, if the gut flora is genetically influenced or not, and how it differs between individuals with obesity and obesity-related diseases. Conclusions of the study are that both the bacterial strains Bacteriodetes and Firmicutes probably have a connection to obesity. The intestinal flora is probably also genetically related.

The report is a master thesis about energy efficient measures for an underground facility Hemsö fortress.Several proposals are evaluated economically.Statistics of the electricity used and measurements of several heat pumps are analyzed to find energysavings potentials.The results indicate that several units of a dehumidification system are responsible for over 70 % of theyearly electricity cost. The air that is being dehumidified by these units can otherwise cause damage ofculturally important interior designs.The proposal with highest profit suggests an alternative method for dehumidification. The cooler in theair handling units in Hemsö fortress have capacity to dehumidify the air. However complementary fansneed to be installed to circulate humid air towards the air handling units. The solution can be implementedin three different locations within the facility.

The purpose of this thesis is to examine how investments are justified in the Swedish data center industry, with a focus on cooling equipment. This is achieved through semi-structured interviews with 20 different interviewees. These interviewees represent different facets of the industry and facilitate an understanding of which factors, such as: investment costs, operating costs, reliability, environmental impact and the influence of external and internal actors, come into play and to which degree they impact the investment decision-making process. The results show that primarily low operating cost in the form of low energy consumption is the driving factor when it comes to the procurement of new equipment. A lower environmental impact is a positive side-effect of lower energy consumption.

I projektet har jag utformat ett bord för hemmet som man kan leva med hela livet och som enkelt kan anpassas utifrån olika människors behov, och förändras allt eftersom ens livssituation och behov förändras.  Bordet ska kännas värdefullt och få ett mervärde genom att laddas med personliga berättelser och vara något man vill behålla och bevara.   Samtidigt är bordet tänkt att vara en startpunkt för att få människor att börja reflektera över sina förhållningssätt till konsumtion och vilka värden som är viktiga i livet. I ett längre perspektiv  hoppas jag att detta kan minska den onödiga konsumtionen och bryta den slit- och slängmentalitet som råder i samhället..

The purpose of this study is to contribute to a better understanding of how visions could be applied in subsidiaries and similar sub organisations of global enterprises. With increasing globalisation it becomes more difficult to work in accordance to same standards and towards a common and unifying interest. The study has a qualitative and deductive approach and is based on interviews with three global subsidiaries with some hundred people employed each.Conclusions are that the subsidiaries visions have to be based on a guiding philosophy issued by their mother entities and it is the responsibility of the sub organisation to develop a tangible image with a local vision, mission and strategy with targets requiring feedback. Sustainable strategies cannot be issued without a vision describing where the organisation want be in the future. Otherwise they will not come very far until they have to make a restart with a new strategy and they will never be a market leader..