Energy and environmental demands regarding buildings have become an increasinglydiscussed topic, both in Sweden and in Europe as a whole. The general trend indicatesthat greater efforts are being put into the energy efficiency of the built environment.There are already numerous examples of houses with a low energy demand, and thenumber of low energy buildings is constantly growing.At the time being, the maximum level for energy demands for housing in Stockholm is110 kWh/m2year, but as soon as next year the limit will be changed to 90. The Swedishagency Energimyndigheten is currently conducting a project to interpret the EU Directiveon the so-called Nearly zero energy buildings, and the preliminary results indicate thatthe level of requirements for purchased energy will end up with about 55 kWh / m2year,which is in line withtoday?s recommendationsfound in FEBY's Kravspecifikation förPassivhus.Starting with a low-energy house in Henriksdalshamnen in Stockholm, we have analyzedvarious energy-efficiency measures and their influence on power and energy needs. Thefinancial aspects associated with the measures have been studied using a model of lifecycle costs.The measures were initially studied individually to give an idea of how much impact theyeach had.

It is found that the properties of the record years of 1965-1975 is leaking a lot of energy andthese properties are facing a major energy efficiency. From the energy aspect, the facade isafflicted with poor thermal insulation which is a big problem. To address this problem addinginsulation is a good alternative to reduce overall energy consumption of a building. Thewindows on these buildings are also a problem from the energy point of view. Therefore,there are many reasons considered for energy upgrading.

Abstract:This thesis work has been conducted at the Real Estate Department in Halmstad.The department consists of a construction/project management-unit and an operation/management-unit.Like many other towns in Sweden, Halmstad has had a long lasting problem with indoor environment. Not at least at their preschools.Today they are constructing from current building regulations. They have learned from negative experiences which have occurred in the indoor environment in older buildings.Focus is now on healthy materials, like low emission value, energy efficiency and optimization of the building, but still with soft parameters such as cleaning, interior and choice of materials.The fixtures is provides by the real estate department and the furnishings are provides by the children and youth administration. Together they are trying to provide a great indoor environment.I have, together with the real estate department and the children and youth administration of Halmstad, investigated how to provide a good indoor environment in the preschools with small funds.In my thesis there is one theoretical part with a questionnaire survey of how the preschool staff is experiencing their indoor environment to determine where the problems often start. And a practical part with measurements to try and come down to a result that analysis the cause of the problems and also to make sure that the ventilation systems are fulfilling projected values.The measurements and the questionnaire surveys was made at Lokes preschool in Frösakull, Askens preschool in Oskarström and Gullbrandstorps preschool.There were some differences between the staff-responses at the three different preschools.At Askens preschool they feel that the premises are cleaned poorly.At Gullbrandstorps preschool they feel that the indoor-air is bad because they can´t open the windows.

The purpose of the study was to identify and analyse the implications of client virtualisation in company environments. The study chose to focus on the aspects of the current hardware, license management, application management, maintenance work and the implications virtualization would have on these. The work in the study was chosen to limit itself to a Windows environment.The background to the study was due to a growing need to be more flexible and mobile in company environments and in collaboration with the University of Jönköping a problem description and the framing of questions was defined. The essay tooka qualitative initiative to comprehend the complexity of the problem at hand. The empirical data was collected from interviews, literature studies and laboratory work testing applications.

Den här kandidatavhandlingen undersöker fördelarna och begränsningarna med Internetbaserade operativsystem i molnet, så kallade Internet OS, och hur IT-företag ser på ämnet. Internet OS är operativsystem som placerar sina resurser och processorkraft ute på Internet, ofta med hjälp av olika molnettjänster. Det finns problem och utmaningar med Internet OS. Dessa problem kan vara ett hinder för företag att överge de traditionella operativsystemen, som exempelvis Windows, och övergå till Internet OS. Det saknas undersökningar om IT-företag vill eller kan flytta sin verksamhet till molnet. Vi vill ge en tydligare bild och bidra med ny kunskap om företags syn på Internet OS. Arbetet har genomförts med en litteraturstudie som har fokuserats på vad den akademiska världen vet om Internet OS med fokus på Chrome OS. Litteraturstudie går in på fördelar och nackdelar, samt framtida visioner.

This report aims to examine the design of a passive house. The design addresses the selection ofmaterial, sizing and selection of both building services systems and building technical features suchas load-bearing framework and moisture control. Interior layout is designed for a family of twoadults and one child.A big part of the report is devoted to an in-depth comparison of three different wall constructions ofpassive house standard. The structures that have been compared are a lightweight timber structure, aheavier concrete structure and a sandwich wall of the brand Weber Leca. The report covers variousaspects such as air flow, wall thickness, the risks associated with the construction, U-value, thermalbridges, power consumption, price, and assembly costs.

This report aims to examine the design of a passive house. The design addresses the selection ofmaterial, sizing and selection of both building services systems and building technical features suchas load-bearing framework and moisture control. Interior layout is designed for a family of twoadults and one child.A big part of the report is devoted to an in-depth comparison of three different wall constructions ofpassive house standard. The structures that have been compared are a lightweight timber structure, aheavier concrete structure and a sandwich wall of the brand Weber Leca. The report covers variousaspects such as air flow, wall thickness, the risks associated with the construction, U-value, thermalbridges, power consumption, price, and assembly costs.

AEC AB är ett svenskt konsultföretag med 20 års erfarenhet inom disciplinerna tekniska beräkningar och CAD system. AEC´s affärsområde är att stödja Svensk industri med projektering, konstruktion och att driva projekt i egen regi. AEC AB har idag ca 40 anställda fördelade på kontor i Göteborg (HK) och Stockholm. Företaget ingår i koncernen Flygfältsbyrån AB, med säte i Göteborg. AEC AB i Göteborg fick i uppdrag av ett svenskt ingenjörsföretag att försöka förenkla simuleringsberäkningar för järnvägsbroar som trafikeras av snabbgående tåg med hastigheter större än 200km/h, vilket var examensarbetets uppgift.

This report aims to examine the design of a passive house. The design addresses the selection ofmaterial, sizing and selection of both building services systems and building technical features suchas load-bearing framework and moisture control. Interior layout is designed for a family of twoadults and one child.A big part of the report is devoted to an in-depth comparison of three different wall constructions ofpassive house standard. The structures that have been compared are a lightweight timber structure, aheavier concrete structure and a sandwich wall of the brand Weber Leca. The report covers variousaspects such as air flow, wall thickness, the risks associated with the construction, U-value, thermalbridges, power consumption, price, and assembly costs.

This paper is a study and comparison between the two Wireless LAN (WLAN) standards HiperLAN/2 and IEEE 802.11a. WLANs are used instead or together with ordinary LANs to increase mobility in for example an office. HiperLAN/2 is an European standard developed by ETSI and the IEEEs standard is American. A WLAN-card consists roughly of a Medium Access Control (MAC), Physichal layer (PHY) and an antenna. The antenna is the same for the different standards.

Studien är främst till för att bringa klarhet i hur en butik bör arbeta med visuell marknadsföring för att nå konsumenten och skapa en positiv reaktion hos denne. Vi har dessutom undersökt vikten av relationen till kunden, och hur företaget arbetar med det genom relationsmarknadsföring. Vi har fått fram vårt resultat genom marknadsundersökningar och observationer inne i och i anslutning till en butik, samt genom en intervju med den ansvarige för butikskommunikationen i samma butik. Till vår hjälp har vi arbetat med Peak Performens Borås, det är kring denna butik hela studien kretsar.Den personliga intervjun med den person som är ansvarig för butikskommunikationen på Peak Performens Borås gav oss information om problem och utmaningar ur deras synvinkel. Materialet gav oss även bra bakgrundsinformation att jämföra resultaten från marknadsundersökningarna och observationerna med.

Plockmatic International AB har sedan 1974 utvecklat och tillverkat maskiner förpappershantering. De gör idag maskiner för bland annat häftestillverkning och kuvertering.I maskinerna finns CAN-bussar med upp till tio noder med mikrokontroller.Vid mjukvaruuppdatering måste varje nod uppdateras för sig. Detta ärtidskrävande. Det finns därför behov av centraliserad uppgradering.En litteratustudie genomfördes och olika sätt att lösa centraliserad installation avmikrokontroller undersöktes. Vikt lades på hur installationen kan göras säker ochverifieras.

Statkraft är helägt av Norska staten och är Sveriges fjärde största elproducent. Detta examensarbete syftar till att ta fram en metod för att lösa hur Statkraft Sverige AB ska lagra mjukvarubackuper av sina lokalkontrollssystem. För närvarande finns det ingen homogen lagringsmetod för backuper på företaget och problemet som ska lösas i examensarbetet är hur man kan lagra backuper från ett flertal heterogena system på en gemensam lagringsplattform. I och med att de allra flesta hjälpsystem för konfigurering av styrdatorer (PLC) bygger på Microsoft DOS/Windows så är det relativt enkelt att överföra backuper till en gemensam plattform. För äldre hjälpmedel kan man dock tänka sig att virtualisera hjälpmedlen på en nyare PC-dator med exempelvis VMware för att undvika problem som kan uppstå med äldre hårdvara.

We have the tradition in Sweden to build villas and houses with a wooden framework. It has become natural for us because we have so much forest in our country. Building with wood has advantages, it is easy to process, but also disadvantages, as it is sensitive to moisture.Finland has long made use of the thermal blocks to build villas. It is a type of bricks that are a bit like a sandwich element, with a core of EPS and concrete on both sides of the core material. The concrete is hollow, so that after the walls has been bricked up you pour concrete into the hollow bricks.The issue of this report is to find out if concrete can be an alternative to wood as framework material in villas.

The homes that were built in the 60?s - and 70's are now so dilapidated and worn that they need thorough renovations. These renovations are expensive to implement for the landlords, which means that the funding for these renovations can create problems. Currently there are no government subsidies for these renovations. This report will examine how Förbo performed the renovation of Säteriet.