Geothermal energy can be extracted from an aquifer, where the groundwater is used as heatexchange medium while heat and cold are stored in the surrounding material in the aquiferand to some extent in the groundwater. Application of aquifer storage for the use ofgeothermal energy is mainly used in large scale facilities and is limited to sites with suitableaquifers in the form of ridges, sandstone and limestone aquifers.Löwenströmska hospital in the municipality of Upplands Väsby, north of Stockholm, islocated nearby the northern part of the Stockholm esker. This means that it can be profitableand environmentally beneficial for the hospital to examine the possibilities of aquifer storagein the esker material next to its property.The purpose of this master thesis has been to investigate if geothermal energy storage with aseasonal storage of heat and cold can be applied within Löwenströmska hospital?s propertyarea using groundwater modeling. A hydraulic groundwater model was constructed inMODFLOW based on a simplified conceptual model of the groundwater system.

High housing- and construction costs is a fact in Sweden today. Prices on building materials more rapidly than producer price index for industrial goods. Prices tend to rise during market boom but does not adapt during diminishing demand. The effects of fading demand can rather be deduced through discounts and quotations. During 1992-1998 when the Swedish construction sector found it self in severe crisis the prices of construction materials kept rising more rapidly than PPI for industrial merchandise.

Problem areaAlfa Laval is a world leading company in the heat transfers area and have the vision to continue to be that in the future as well. The company has a lot of press lines where the utilization is high and also has started to become old. Prognosis shows that there is an increased demand of heat exchanger in the future. This increased demand is not something that existing lines will manage. To build new lines cost a lot of money and take time so it is essential that new lines are correct from the start and not need to be rebuilt or a lot of time spent to trim it.GoalThe goal is to achieve 100% theoretical utilization of the press (the press shall press the amount of plates it is designed for).

The Internet protocol of today has been used for over 20 years. A new version of the protocol has been developed to replace the old one. This is a direct result due to the explosive growth of the usage of the Internet. This follows by new demands which needs new solutions. This report brings up the old protocol IPv4, the new protocol IPv6 and shows what kind of changes that has been developed to meet the users demand.The report brings up two important aspects; internet security and mobility.

Until 2020, 49% of Sweden's use of energy must derive from renewable sources. Greenhouse gases must as well decline with 40% compared to 1990 as a part of Sweden's 16 environmental objectives. Biogas is part of the effort to achieve these objectives, but as the demand for biogas increases, more substrates are needed to meet the demand. The purpose is to investigate the conditions for pea residue as substrate by performing lab-scale mesophilic digestion with different fractions and notch lengths and then to summarize pea residue as a substrate for biogas production. During anaerobic digestion, 1000 ml bottles were used as reactors for digestion.

The forest industry is one of the most important industry branches in Sweden. Since the demand of high precision wood deliveries has increased, the demand on a well constructed forest road net also has increased. A good road net gives the wood-supplier competition advantages and also increases its service level towards its customers, lumber-mills and pulp-mills. In some parts of Norrbotten, the road net is still insufficient and not yet built out enough, and that is why it is important to know how to act and where to improve the road net in these areas. The purpose of this thesis was to create a work-model for long term road planning in areas with no road net or a not yet complete road net. The model has been created in an ArcGis environment, where a long chain of tools has been tied together with the program ?Model builder?.

Bakgrund: Hur döende har vårdats har sett olika ut genom historien. Allt från vård i hemmet till vård på hospicesjukhus. Det är viktigt att bemöta den döende på ett sådant sätt så att dennes sista tid blir så god som möjligt. Detta kan vara svårt med tanke på hur mycket känslor som dinns med i mötet med patienten i livets slutskede och vårdaren. Syftet med denna studie var att belysa detta möte.

Syftet är att ta reda på vad som menas med anonymitet i dagens kameraövervakade stad. Dentraditionella uppfattningen är att stadens karaktär är anonymitet och syftet är att ta reda på huranonymiteten ser ut idag när stadsmedborgarna är kameraövervakade. Studien är en begreppsutredning av anonymitet, och dess relaterade begrepp trygghet.Huvudsakligen används Simmels teori om storstaden och Foucaults teori om övervakning,men också teoretikerna Jane Jacobs och Mike Davis och deras syn på trygghet i staden så välsom en del andra källor. Jag kopplar Simmel och Foucault till anonymitetet och trygghet,tillämpat på dagens stad. Slutsatserna är att dagens stadsmänniska är både anonym och inte, beroende på hur man serdet. De som syns i kamerans blick är de som begår brott, medan de andra fortfarande äranonyma. Gällande tryggheten kan den uppnås genom ett levande folkliv.

The goal of this paper is to provide a model for a sustainable electricity system to an island, in the Pacific Ocean near the equator.The method which has been used is to model supply and demand of electricity in the computer program Stella, through the creation of a dynamic system that balances them against each other. The result from the model will then be used to calculate the electricity price per kWh for the island.The result of the work is that electricity from solar energy is comparable with electricity produced from oil, if the oil pays for all its external costs, and the potential for pumped hydro storage plants is located. It also requires that consumers of electricity can be their own producers to avoid the expenditure of tax and reducing the cost of distribution. But since oil is a finite resource and has had a rising cost in recent years, while solar energy has had a declining cost, perhaps this will be a more competitive solution in the future.

The aim of this paper is to describe how to measure welfare effect of the deregulation and increased competition of the public transport by railway in Sweden. The paper also includes a numerical example of how to measure the welfare effect. In our study we use public data from SJ regaring quantity and ticket prices for the period 1996 - 2005. We have used equivalent variation, EV, as the method to measure the welfare effect. We demonstrate how to derive the equation to calculate EV by starting with a Marschallian demand function.

It is important to ensure and develop the Swedish model for riding schools, since the pupils at a Swedish riding school learn both to ride and to handle horses. There is a pronounced problem of stagnation and in some cases a reduced demand in several of the equine industry sectors including breeding with decreased coverings. The aim of this study was to cast light on how representatives from the horse industry looks at riding schools and their recruitment of horses in the next five years. The research issue was ?Will there be difficulties regarding horse recruitment in 2020 and in that case, what are the consequences?? The results of this work consist mostly of material from a workshop on how the riding school will be affected by reduced breeding in the future.

In this thesis we have examined why the establishment process of travel destination is essential for the tour operators and how the process can be influenced by different conditions. The thesis is written from the perspective of the tour operators and with the tour operator Ving as our case study, we have been able to create a picture of how the establishment process of travel destination may look like.We have chosen to deal with some different areas in this thesis that all are important for the creation of a holistic picture of the process. The overall segments listed in this thesis are the process itself, the tourist, marketing, the product creation and demand. By connecting our theoretical framework to the collected empirical data from our case study, we have analyzed the establishment process and drawn our conclusions..

Deltaco är ett medelstort företag som säljer IT-relaterade produkter till datorbutiker, installatörer, industrikunder etc. men ej till slutkund. Deltaco har ett dotterbolag i Finland och ett i Danmark och flera avdelningar i Flemingsberg. Examensarbetet gjordes på avdelningen som heter RMA ( Retur Material Authorization). RMAs uppgifter är att ta hand om returnerade produkter som omfattas av garanti.

Det krävs att företag utvecklar sig för att vara konkurrenskraftiga på en ständigt föränderlig marknad. Ett sätt för företag i livsmedelsbranschen att differentiera sig är att endast använda ekologiska råvaror i framställningen av sin produkt. Om de gör det kan de bli godkända för miljömärkning och få använda KRAV:s logotyp på sin produkt. Den massmediala uppmärksamheten riktas allt mer på klimatkrisen vilket har gjort konsumenterna mer medvetna och villiga att påverka genom sitt eget agerande.Syftet med den här uppsatsen är att utreda hur en KRAV-märkning kan påverka varumärke och konsumentbeteende. För att kunna besvara syftet har vi studerat teorier inom varumärkesforskning och beteendevetenskap.

How does the weather protection systems look like today, and how will they be developed in the future? These are questions that we have worked with during this project. At the start of our report there?s a summary of the leading weather protection manufacturers in Sweden. We have explained how these systems are constructed and how they work.