An energy study has been performed on two blocks in an area called Gävle Strand. The buildings are owned by a tenant-owner?s association called brf Carolina and were built by the company Skanska 2008. The builder as well as brf Carolina are pussled by the fact that electricity use is higher than expected while heating is less. Skanska is also very interested in finding out how much heat recovery from stale exhaust air through a geo-thermal heat pump is contributing to the general heating requirement and energy balance in four out of the ten buildings located on the properties.To find possible answers to the higher electricity use a literature survey on user behaviour was conducted.

I uppsatsen söks svaret på frågan om musikalisk bakgrund (t.ex. musiksmak) påverkar förmågan att bedöma ljudkvalitet. Två grupper med olika musikalisk bakgrund och musiksmak (pop/rock respektive klassiskt) jämförs med varandra för att hitta samband mellan deras förmåga att bedöma ljudkvalitet och deras musikaliska bakgrund. En metod för denna jämförelse presenteras. Resultatet ger att det mellan grupperna råder en viss gemensam kvalitetsuppfattning, men att den musikaliska bakgrunden påverkar förmågan att bedöma ljudkvalitet och att gruppen pop/rock har en högre bedömningsförmåga än gruppen klassiskt..

The objective of this study is to examine the sustainability of recovering industrial wasteheat from several heat sources in a foundry constructed in a plant belonging to ITT Waterand Wastewater in Emmaboda, Sweden. A triple bottom line perspective will be appliedto achieve this objective. The triple bottom line approach takes into account ecologicaland social performance in addition to financial performance. The technology forrecovering the waste heat is a Borehole Thermal Energy Storage (BTES) which is aconstruction consisting of 140 vertical boreholes, 150 meters deep with an internal spaceof four meters.The calculated amount of energy for storage is approximately 3800 MWh annually. Ofthis amount 2500 MWh are expected to be utilized, while storage losses accounts for theremaining part.

In this work we have compiled results from various studies concerning medical conditions that may possibly be avoided by castration and the effects that may occur after castration of the healthy bitch. The work is a literature review but it also includes a summary on the age recommendations for castration of the healthy bitch, castration before or after the first heat and the castration method most commonly used of ovariohysterectomy and ovariectomy. The summary is based on a questionnaire answered by personnel from 20 veterinary clinics and animal hospitals evenly distributed throughout Sweden.The summary showed that ovariohysterectomy was the most common method of castration and the recommendation in age ranged from 6-12 months. Regarding castration before or after the first heat 75% of the veterinary clinics and animal hospitals answered that they recommended castration after the first heat. Literature study shows that there are both advantages and disadvantages of castration of the healthy bitch and that it therefore is important that each bitch get a personal and individual evaluation before a decision is taken concerning a castration..

Atlas Copco Tools develops and manufactures handheld industrial tools. Heat and surface treatments are used to provide the tools with certain properties. There are no routines for the choice of treatment or for how to specify treatment on drawings. Production documents that are sent for production abroad may not be clear enough. Some treatments are known as trademarks and there are no instructions for how to specify these on drawings and in CAD-models.The purpose of this master thesis work is to create recommendations for the procedure of choosing heat and surface treatment.

The aim of this study was to develop a load prognosis model for Uppsala district heating system to be used as a tool for heat production optimization. The methodwas to build three models for the different customer types; housing, industry andoffices and then scale them for the total system using data from Uppsala districtheating system. The heat load consists of two parts, one that is temperaturedependent and one that is dependent of the social behavior of the customers. Thetemperature part was modelled with an ARX model using an outdoor temperatureprognosis as input signal. The social behavior part was modelled using the mean ofthe social behavior from some days before and additionally by distinguishing betweenweekdays and weekends.

This thesis examines different methods for the cooling of data centers. Several means of cooling with the refrigeration cycle have been studied, as well as the feasibility of using free cooling in different parts of Sweden. In addition, the possibilities of transferring excess heat to a nearby district heating system were investigated. It was found that in all investigated cases except two, the data center could be cooled solely with free cooling for at least 300 days a year when only the outside air temperature was considered as a constraining factor. The limit was then set to 20 °C.The vast majority of all district heating systems in Sweden get little to none of their heat from other excess heat sources.

The constant need of energy is something that affects us all no matter our current situation. Whether we are driving our car to work, taking the elevator or using the oven to cook dinner we end up relying on energy. Our whole society is continuously striving to achieve a higher grade of efficiency and the process of supplying ourselves with energy is no exception. The importance of appliances in our everyday life cannot be exaggerated and thus the importance of their high efficiency.Efficiency is already a keyword in the appliance industry with labels, stars and numbers helping us choosing the most suitable option for the task ahead. No matter how efficient appliances often use pure electricity as their energy source.

Industries with energy costs as a large proportion of their total costs are greatly affected by the instruments deployed to cope with the Swedish climate and energy policy goals. With energy costs representing more than 30 % of the total costs, tomato cultivators are one of the affected industries. In order to remain competitive with other countries, a more resource- and cost-efficient cultivation of tomatoes in greenhouses is desirable in Sweden. Based on the concept of industrial symbiosis, this study investigates the prerequisites for a resource-efficient production of locally grown tomatoes in Sweden through the utilization of low grade industrial waste heat. The study is based on the foundry industry as the supplier of waste heat.To investigate the environmental, technical and economic potential of the exchange of waste heat, a comparative life cycle assessment, an inventory of the supply of industrial waste heat in Sweden, a compilation of potential technologies for the recovery of low grade industrial waste heat for heating greenhouses and a comparative life-cycle cost calculation were carried out.

The aim of this essay is to contribute to a better understanding of the prehistoric site Flyhov in the province of V?sterg?tland, Sweden and its immediate surroundings from an archaeological perspective. The site contains material artistic and ritual expressions from different prehistoric periods, and its long use-history (from the Stone Age until today) shows that the site, and its remains, has attracted the interest from people in prehistory, in modern times, as well as today. With a point of departure in perspectives derived from hermeneutics and phenomenology the essay examines the site?s prehistoric remains, the use of, and the interest directed towards, the site and its remains during different time- and use-horizons and how these horizons have been affected and intertwined with each other, in a manner where earlier material expressions have affected people and their new expressions.

People in today?s society are becoming more and more aware of how important it is to use energy as efficiently as possible. This is clearly noticeable by an increase in home produced heat with e.g. solar panels or heat pumps heating systems. These changing customer demands forces district heating technology to be redesigned, which is why there is an ongoing research regarding the next generation of district heating - low temperature district heating (LTDH).

Titel: Rockmusic preferences in the rock programme. Popular culture, music preferences and repertoire inside a teaching institution. This paper raises some questions about the popular music that exists outside as well as inside institutions. From the example of popular music and rockmusic the students of a music teacher education programme based on rock music are asked for their taste for music in a brief questionnaire. The answers are compared to those concerning the music they used to like before they entered the education as well as the music played on the ensemble lessons at the programme.

In this Thesis the possibilities of designing a larger building that is very energy efficient in the sense that it would not need a conventional heating system are discussed. Solar radiation transmitted through the windows, internal heat from occupants, lamps and electric appliances inside the building and heat recovered from the ventilation system then have to be sufficient for the heating of the building. This study is of general interest since the property company, Akademiska Hus, plans to use this study as a first step in determining if this technique could be used in the future and thus be worth further investments. A building without a conventional heating system of the size investigated in this project has not yet been built.The energy needed for the heating of the building was simulated using VIP+.The conclusions from the study are that it is possible to build large buildings without any conventional heating system. This could be achieved in many different ways, for example by lowering the inside temperature or by using better windows and heat recovery system with higher efficiency.

In this report, the risk of cracking in joints and/in adjacent concrete is estimated by checking shear forces in joints and the ratio between the actual maximum principal stress ant the actual strength of the concrete. The shear force has been estimated both by simple methods as well as by two-dimensional calculations. The risk of cracking in the concrete and/or in the joints is estimated with the computer program ConStre. The restraint from a resilient foundation or rock on a young concrete construction is estimated by a simple method that is exemplified. It is shown that the restraint can be neglected in some cases.

Upphovsmannens ursprungsidé var att skriva ett stycke som skulle kombinera element från influenser inom pop/rock, jazz, västerländsk konstmusik, elektroakustisk musik och ljudkonst. En stilistisk balans var ett önskat resultat för att undvika polystilism och istället hitta ett tonspråk som tar tillvara på upphovsmannens olika influenser.Efter en konsert som genomfördes med hans egna material inom pop/rock, kom en insikt att det fanns, utöver det stilistiska, olika attityder till notation kopplat till musicerande mellan traditionerna afro och klassiskt.Ett experiment utfördes där notationssätt med olika styrningsgrad kunde jämföras. Den så kallade slashnotationen blev en grund för ytterligare notationsmässiga utforskningar i stycket som sedan skrevs.Den stilistiska problematiken i kombinationen av influenserna löstes genom styckets form. Tydlig tematik användes, med teman som hade stilistisk rörlighet. Styckets storform utgörs av en stegrande dynamisk utveckling, kopplat med en stilistisk vandring från konstmusik till mer afro-inspirerad musik.