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1343 Uppsatser om Flow simulation - Sida 42 av 90

Automatisk nivåreglering av strålkastare

To be allowed to sell Z-suspended vehicles with dipped beam Xenon or LED lighting, Scania have to develop automatic headlight level control. This master?s thesis aims to be the foundation to that development.The thesis consists of several parts; a market analysis of how competitors to Scania and the general vehicle industry solve this problem; several available principles for detecting the amount of control needed; the construction of a test station for sensors, a control unit and components connected controlled by the control unit; a further theoretical and practical development of one principle ? one rotational sensor connected between the chassis and the back drive axis; a state flow model programmed in Simulink that produces the control signal for the headlight leveling from the sensor input.Lastly the thesis gives some recommendations to the further development and implementation of automatic headlight level control on Scania vehicles..

Det vidgade textbegreppet : i teori och praktik

This work is about the expanded conception of text and takes off in the use of this expression in the high school curriculum. The work begins with a theory chapter, where a few different definitions of text are the basis for reasoning about factors which can have contributed to an expansion of the conception. Hereby other important expressions, related to the expanded conception of text, as hypertext, multimedia and intermediality, are brought up. Further, is examined empirically how the expanded conception of text is interpreted, rhetorically and practically, by a few teachers in the High School. Finally, covered scientist?s theories are discussed and compared with the concluded empiric data.The study shows however, that the expanded conception of text in the curriculum has not become a conception for the teachers who were interviewed.

Självbildens nivå och utveckling i skolanSpecialpedagogiskt stöd ur elevperspektiv

Det talas idag mycket om Sveriges satsningar på en skola för alla. Samtidigt mår många elever dåligt. Det är något som inte stämmer. Syftet med denna studie är att undersöka hur elevernas självbild påverkas av specialpedagogiskt stöd. Avsikten är att beskriva självbild, självkänsla och självförtroende, ur den enskilde elevens synvinkel.

Lyftkraftsberäkning för vingprofiler: Virvelpanelmetoden

The problem presented in this report is that of finding a method to calculate the lift force from a single-element airfoil of arbitrary shape. A number of restrictions are used in order to simplify calculations while retaining reasonable accuracy. The problem is solved for the two-dimensional case only and no finite-wing effects are taken into account. Furthermore, inviscid and incompressible flow is assumed. The method used to solve the problem is the vortex panel method, with vortex singularities distributed over simplified airfoil geometry.

Informationshantering och -spridning på Axis Communications AB

In a complex and turbulent world, several companies begin to realize the value of information as a strategic resource and try to find strategies to manage this. This master thesis aims to describe the information management at Axis Communications AB. Axis is a fast growing company and due to this they have not been able to manage the flow of information whitin the company. To find out how the information was managed at this time we made a survey and employee interviews at three Axis business units. By analyzing the surveys and interviews we found several problems.

Utbildningssimulator av funktioner i spa?rfordon : Ha?rdvarusimulator med felso?kning pa? do?rrsystem

This report is a description of a developed educational simulator over rail vehicles and its components. The simulator is a hardware-based prototype over a door system on rail vehi- cles. System specialists and technicians will use the prototype. The Simulator should give the user a technical demonstration on how components work in a door system. The proto- type consists of motor, switch, relay and sensor.

Mellanskog medlemmars och medarbetares inställning till SMS och e-post : en fallstudie

Communication, information and marketing are three of the main prerequisites for companies that want to increase their turnover. The everyday work for a Forest Manager within the forest owners? association Mellanskog consists to a large part of interpersonal communication, either by close vicinity contact or by phone calls. Interpersonal communication is time consuming and resource intensive. If the flow of information, communication and marketing does not function well then there is a lack of a base for development.

Public Hear Aid

This project started when LIC Audio AB wanted help with development of a hearing aid for public rooms. The problem is that a lot of people suffer from some sort of hearing impairment. In places with a lot of people and background noise the problem becomes bigger and the sound seems to flow together. During the project we found the solution for the problem in the shape of a headphone. The headphone receives a signal from a preinstalled hearing loop.

Inledande studie inför utveckling av ett virtuelltmikroskop för utbildning inom livsvetenskaperna

Forskning med hjälp av mikroskopi har med tiden ställt merspecialicerade krav på utrustning som används. Utrustningenhar blivit mer bättre men samtidigt också dyrare. Enhög kostnad innebär att avancerad mikroskopi inte kan användassom ett utbildningsverktyg inom grundutbildning.Dagens studenter tvingas på så sätt förberedas för framtidensforskning genom att använda gårdagens utrustning.I detta arbete visar vi hur virtuell mikroskopi kan användasför utbildning och forskning. Virtuell mikroskopi kananvändas som komplement, eller möjligtvis ersättning, förbefintlig undervisning. Vi har demonstrerat detta genomatt utveckla en pilotapplikation som simulerar de två metodernaFLIP och FRAP.

Kommersiella fastighetsinvesteringsbeslut : Påverkande faktorer ur ett investerarperspektiv

AbstractA master thesis in business administration 30 hp, Jönköping International Business School, Spring semester 2012.Authors: Sarah Henningsson & Jim BörefeltSupervisor: Urban ÖsterlundTitle: Commercial real estate investment ? Factors from an investor perspectiveBackground and problem: In this study, we focused on the real estate investor and the factors and issues that may arise and affect real estate investment decisions. It has been put in relation to the other parties in the process of assessing and affecting real estate investment decision. The parties that we studied are real estate investors, banks, brokers and appraisers.Purpose: This study aims to describe and explain the factors that affect commercial real estate investments for investors, credit assessment conducted by the bank and valuation made by the broker and appraiser.Delimitations: We have chosen to limit the study to commercial real estates including residential, retail and office properties, industrial properties and combinations thereof. Agriculture buildings and forestry plots are not examined.

Prognosanvändning i företag

Inledning: Många företag genomför idag någon form av prognos som underlag för deras beslut.Det kan handla om prognoser för hur mycket marknaden kommer att efterfråga, hur storakostnader företaget förväntas ha eller hur mycket personal som kommer krävas.Problemformulering: Hur använder företag prognoser i sin verksamhet?Syfte: Syftet med den här uppsatsen är att beskriva och förklara hur prognoser används i företag.Metod: Den här studien har byggt på en kvalitativ forskningsstrategi. Arbetets forskningsansatshar varierat mellan en induktiv metod och en deduktiv metod. Uppsatsens empiriska material harinförskaffats genom semistrukturerade intervjuer på två utvalda företag; Galenica AB och SAABtraining and simulation.Resultat och slutsats: Undersökningen visar att företag använder prognoser som grund för attfatta beslut. Prognoser används främst som grund för budgetarbetet, men företag upprättar ävenprognoser över andra faktorer som påverkar företagets framtid.

Konstruktion Signalgenerator

SAAB Aerotech division FGR in Arboga builds and develops equipment and components used in both military and civilian applications. To build a test system for a specific project that SAAB is responsible for requires a simple signal generator that can provide a pulse modulated signal. The need to buy a new advanced signal generator for example from Agilent is not as profitable as the instrument is expensive and contains features that SAAB does not require in their applications and test systems. That was the reason why SAAB offers two students a thesis where the goal is to construct a signal generator in accordance with what SAAB requests.This thesis contains several different phases. The first step was a meeting with our supervisor Mats Bergman and by reading the data sheets for components to be used in the project, with these information and specifications that we have received from SAAB we started to construct the signal generator.What we did during the construction work was to simulate and draw a schematic to be able to design the circuit board.

Hur påverkas ett värdland av flyktingströmmar : En fallstudie om den syriska flyktingströmmens påverkan på det turkiska samhället

As of 2013, around 51 million people were living on the run, classified as refugees. One of the reasons the number has increased so much during the last years can be explained by the war in Syria. The aim of following study is to evaluate the impact the Syrian refugee flow has had on the Turkish society up until today, seeing the consequences of economic, political and social impact made on the Turkish society. Due to these chosen aspects the study will be concentrated only on the changes in the Turkish society brought about accordance with economic, political and social effects. What is desirable is to achieve greater understanding of the positive and negative aspects of refugee flows on host countries.

Premiepensionens Marknadsrisk : En Monte Carlo-simulering av den allmänna pensionen

A reforming trend is captured showing that countries are shifting from defined benefit pension systems towards defined contribution systems. The reforms have been justified through predictions that the defined benefit systems will not manage to provide good enough pensions to members in the future. The newer defined contribution pension plans often include individual financial accounts where individuals have the possibility to choose how a part of their pension savings should be invested. Sweden was early to introduce such a system, which at the moment provides more than 800 funds to choose from. The aim of this thesis is to capture the market risk associated with these individual investments and does so by using Monte Carlo simulations for six selected pension funds.

Toleranszon och kundtillfredsställelse i tjänsteföretag

The aim of this thesis is to describe how service companies through adjustment of the customer?s zone of tolerance can influence customer?s perception of the service during the processes of service delivery and create customer satisfaction. The method used was case study approach utilizing personal interviews, which were conducted at two service companies. The study showed that the aspects of the service that have greatest importance for the customer?s assessment of the service and customer satisfaction among others are personal treatment and that personel behave in the way that makes the customer feel itself taken good care of and unique.

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