Syftet med denna studie är att undersöka hur elever i en vanlig svensk mellanstadieklassupplever flow i sitt lärande och vilka faktorer som påverkar upplevelsen av flow.För studien valdes en kvalitativ metod i form av enskilda intervjuer. Tre pojkar och treflickor i en klass 4 på mellanstadiet fick berätta vilket deras favoritämne var, och sedanbesvara frågor om hur de upplevde sitt favoritämne och hur de upplevde de övrigaämnena. Frågorna var skapade utifrån de olika faktorerna som påverkar flow enligtMihaly Csíkszentmihályis flowteori (Csíkszentmihályi, 1993).Resultatet av min undersökning visar att eleverna som intervjuades upplever flow iskolan, och då mest i favoritämnet. Det finns även exempel på motsatsen där entusiasmoch flow saknats i skolarbetet. Faktorer som har betydelse för att flow ska uppkomma ärbland annat rätt svårighetsgrad på uppgiften så att utmaningen anpassas efter individen,rätt tid och arbetstakt för genomförandet av uppgiften, möjlighet till medbestämmandeoch inflytande för den som utför uppgiften samt eliminerandet av störmoment underarbetet med uppgiften.Undersökningens resultat visar att flow har betydelse för elevens motivation och iförlängningen sannolikt också för elevens lärande.

Syftet med denna studie har varit att undersöka relevansen i tre olika teorier som förklarar hur Flow kan upplevas på en arbetsplats. Teorierna är skapade efter forskning från Csikzentmihaly, Hofstede samt Maslow. Undersökningen har skett på två olika arbetsplatser inom två olika yrkesgrenar för att finna om eventuella skillnader mellan dessa två arbetskontext kan påverka upplevelsen av Flow. Det ena företaget kategoriseras som en affärsmiljö och det andra företaget rubriceras som en kontorsmiljö. Tre hypoteser skapades som var för sig testade de tre teoriernas effekt på Flow.

At Degermyran landfill, situated in the municipal Skellefteå, a leachate treatment system was installed in 2005. One of the aims of this study was to investigate how well the treatment system works by using data from chemical measurements made on the leachate before and after treatment. Further this study had the purpose of investigating how the predicted climate changes of the 21st century will affect the amount of leachate generated at Degermyran by using a modified version of Thornthwaites water balance model. The treatment system has the ability of reducing manganese by 90 %, nitrogen by 73 % och TOC by 79 %. By the turn of this century the amount of precipitation that percolates the waste at Degermyran will be between 254 and 298 mm, depending on the amount of greenhouse gases that will be released in the future to come.

Detta arbete har utförts för att undersöka frågeställningen ?Hur bör ett dataspels tutorial designas för att spelaren ska lära sig samtidigt som den främjar uppkomsten av flow??. För att besvara detta har teorier inom pedagogik, lärande av spel, användbarhet och flow samt mer generella teorier kring spel studerats för att skapa en teoribildning inom området. För att testa detta har ett spel med två olika tutorials skapats. Detta spel har sedan använts för att, med hjälp av två testgrupper, samla data om hur spelare lär sig samt deras flowupplevelse.

Detta arbete syftar till att undersöka hur Csikszentmihalyis teorier kring optimala upplevelser, eller flow-upplevelser, kan appliceras på praktisk speldesign. I arbetet kombineras Csikszentmihalyis definition av begreppet flow med Jenova Chens riktlinjer för flow-uppmuntrande design i singleplayerspel för att ge underlag för framtagandet av ett brädspel i vilket applicerbarheten hos deras teorier och riktlinjer på multiplayerspel undersökts. För att teorierna och riktlinjerna effektivt skulle kunna undersökas utvecklades det tre olika versioner av brädspelet som alla innehåller olika element som, enligt Csikszentmihaly och Chen, bör alstra flow. Ett flertal spelgrupper fick spela dessa tre versioner och via enkätundersökningar och intervjuer förmedla hur de upplevde de olika versionerna, både som individuella produkter och i jämförelse med varandra. De data som erhålldes från dessa undersökningar indikerade på att nivån av kontroll spelaren har över sin spelsituation spelar en väldigt avgörande roll i hur han eller hon upplever spelaktiviteten i sin helhet..

This thesis has been done at the powder department (GH) at AB Sandvik Coromant in Gimo. With a rheometer measurements has been made on raw materials and powder blends. The focus of this report has been to find correlations between raw material powders and press data, comparisons have also been made between raw materials and powder blends.The rheometer can show information of how a powder act in flow conditions, together with air and with pressure. Analyses has been done comparing the rheometer data with press parameters (for example: rejected orders, weight variations and the compaction pressure) with the goal to find correlations between the powders flow properties and the powders compaction in production.The measurements and analyses have been showing that the powder flow properties depends on the powders composition and that properties like flow rate, aeration and permeability varies between powder blends and batches of the same powder sort. It seems to exist a correlation between the pressure force and the flow rate of a raw material.

This thesis has been done at the powder department (GH) at AB Sandvik Coromant in Gimo. With a rheometer measurements has been made on raw materials and powder blends. The focus of this report has been to find correlations between raw material powders and press data, comparisons have also been made between raw materials and powder blends.The rheometer can show information of how a powder act in flow conditions, together with air and with pressure. Analyses has been done comparing the rheometer data with press parameters (for example: rejected orders, weight variations and the compaction pressure) with the goal to find correlations between the powders flow properties and the powders compaction in production.The measurements and analyses have been showing that the powder flow properties depends on the powders composition and that properties like flow rate, aeration and permeability varies between powder blends and batches of the same powder sort. It seems to exist a correlation between the pressure force and the flow rate of a raw material.

A good flow of information in organizations is one of the key aspects of how we define a well-functioning organization. The information flow could be internal as well as external between actors within as well as outside of the organization. In a logistics organization this flow of information is equally important as in any other kind of organization. In this paper we have explored information flows in logistics organizations by applying, boundary spanning and the mobile-stationary divide perspective. In boundary spanning the main goal is to erase or relocate some of the boundaries within an organization, in our case to make the flow of information internally as well as externally better.

A good flow of information in organizations is one of the key aspects of how we define a well-functioning organization. The information flow could be internal as well as external between actors within as well as outside of the organization. In a logistics organization this flow of information is equally important as in any other kind of organization. In this paper we have explored information flows in logistics organizations by applying, boundary spanning and the mobile-stationary divide perspective. In boundary spanning the main goal is to erase or relocate some of the boundaries within an organization, in our case to make the flow of information internally as well as externally better.

At Forsmarks Kraftgrupp AB (FKA) forces on pipe systems due to transient flow are frequently calculated as a step to verify their structural integrity. In nuclear industries these forces are often calculated with a one dimensional thermal-hydraulic analysis-code called RELAP5. When calculations regarding more complex geometries are needed, the three dimensional code Fluent is often used. This code is highly time consuming and requires large computational power.This projects aim is to compare calculations of pressure, flow and forces carried out by RELAP5 and Fluent for an arbitrary pipe section during transient flow conditions. This has been accomplished by constructing a simple geometry for which a transient flow is simulated in both programs.

I denna rapport predikteras livslängden, med avseende på utmattning, för en hjullastarskopa. Två av de mest kritiska svetsarna utvärderas enligt IIW:s (International Institute of Welding) rekommendationer genom nominella spänningsmetoden, hot spot-metoden och effective notch-metoden. Beräkningarna utförs med hjälp av finita elementmetoden. Genom att utföra töjningsmätningar på hjullastarskopan i drift erhålls spänningsdiagram. Dessa uppmätta spänningsdiagram analyseras med rain-flow count-metoden.

The thesis work has been carried out at Volvo Aero Corporation (VAC) in Trollhättan. VAC has entered a partnership as developing and producing partner with engine manufacturer Pratt & Whitney and is currently at the starting phase of producing the turbine rear frame (TEC) to the engine PW1000.The purpose of this study was to create a report on process level that describes the conditions and the potential with PW1000 TEC to reach the product cost calculation taking into account lead times and describe alternative method solutions.The report describes a comparison between the present flow (2012), a flow based on product cost calculation (2016) and a potential flow (2016). The work has mainly been based on acquiring the knowledge and information available to inspect the present flow; this has been done by workshop observations, meetings and gathering of the information that is available on the work site for the PW1000 TEC.The information obtained has been merged into an Excel document, called Roadmap. It serves as a roadmap with current situation as the start and the potential flow for 2016 as the goal. With the roadmap as a tool, assumptions have been taken considering the flow and how it will change, where processes have been eliminated, reduced or marked as a problem..

Lichens are adapted to bright and sparse forests on oligotrophic ground. Due to a slow growth rate and high light demand lichens will suffer from competition in eutrophic environments. Therefore, lichens have disappeared from managed forests where the forest industry has increased the productivity. A reduced abundance of lichens will affect both biodiversity of the forest and the reindeer winter graze lands. It is important to understand how and for how long fertilization affects the abundance and diversity of lichens in order to protect lichen rich ecosystems. We have registered the biomass and number of lichen species in eight plots (four nitrogen rich and four nitrogen deficient) and compared fertilized Sami settlements with their oligotrophic surroundings in the nature reserves of Tjeggelvas.

The relatively poor economy in European dairy farming might be improved from efficient feeding systems and dietary management. Increasing herd sizes and transition to loose housing systems in Sweden, increases the possibilities for other feeding systems than separate feeding that is the traditional feeding system in Sweden. Other possible feeding systems are partial mixed ration (PMR) and total mixed ration (TMR), where the TMR system sometimes is associated with overfeeding and thereby increased environmental impact and high feed cost. Diets providing nutrients above or below animal requirements are considered as unbalanced, which in turn are associated with reductions in health, fertility and milk production. On the other hand, a balanced feed ration improves feed efficiency, nitrogen utilization and profitability.

Common species of freshwater mussels may, like the freshwater pearl mussel (Margaritifera margaritifera) have a drastic decline in number and there is several reasons, like sedimentation, a decline of host fishes, introduction of alien species, nutrition leakages from agriculture and pollutants of medic drugs and poison. Ann Gustavsson made in the year of 2007 a study over rejuventation of freshwater great mussels in nine watersystems and considered that the rejuventation within the populations were all along the line poor. This study orients from her work and points to determine if there is a connection between the poor juventation and pollution of nitrogen and phosphorous from industries and private sanitations. The study was performed with the software program ArcGIS9.2 to take out drainage areas for the concerned habitats and contact was made with the concerned authoritys. When it comes to supervision of private sanitations is it the countys and for industries is it the county administrative board.