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1200 Uppsatser om Pipe flow module - Sida 40 av 80
Sjöherravälde : är Corbetts teorier applicerbara på modern ubåtskrigföring?
Sjöherravälde, Corbetts teorier inom ramen för modern ubåtskrigföring.Studie om Corbetts teorier och hur de appliceras på modern ubåtskrigföring. Sjökrigets grunder beskrivs inledningsvis samt av Corbett sammanställda metoderna för etablerande, bestridande samt utövande av sjöherravälde och ubåten som vapen. Därefter följer en studie av historiska källor rörande modern ubåtskrigföring. I denna ingår Scapa Flow 1939, ubåtsstrid vid slaget om Atlanten och USAs sjöfartskrig mot Japan samt sänkningen av Belgrano och det inledande skedet av Falklandskriget 1982. Fokus ligger på de olika metoderna som Corbett beskriver för sjöherravälde: avgörande slag, blockad, fleet in being, försvar mot landstigning, sjöfartskrig, amfibieoperationer samt stödjande av expeditionsstyrkor. Med bakgrund i dessa utmynnar uppsatsen i en diskussion om modern ubåtskrigföring som i stor utsträckning verifierar Corbetts teorier..
Informationshantering hos personer med läs- och skrivsvårigheter och dyslexi : Hur personer med läs- och skrivsvårigheter och dyslexi hanterar och bearbetar information i arbetslivet
The purpose of this study has been to investigate how individuals with reading- and writing disabilities and dyslexia handle their information need in the workplace. The method that has been used is a qualitative study made with interviews with individuals who have these problems, to see how they think and feel about the flow of information on their everyday basis. The study?s respondents are working women between the ages of 27 and 47 years old and they have reading- and writing disabilities and dyslexia. The most interesting results of this study are that the respondents are avoiding jobs where they need to read and write much and where they also do not like changes in their job situation.
Miljö- och hälsoskyddskontorets tillsynsarbete - ur verksamhetsövarens perspektiv
Nanofiltration is a proper way of preparation of drinking water. The process has a lot in common with reverse osmosis where a semipermeable membrane is used to separate a pure water flow from the remaining water. A pilot plant was used to ensure that nanofiltration is a suitable technology for a specific waterworks station in Glemmingebro, Ystad. The purpose was also to find out if a pH-adjustment is needed for feed water in a possible full scale plant. In this case nanofiltration is used mainly to remove sulphate and calcium since the raw water contains concentrations of these substances which exceed the limits for potable water. It is important to receive a high recovery (RC), otherwise the deliviery of water won?t be high enough.
Näringsretention i återskapad våtmark på betesmark : studier av en mad vid Bornsjön
It is important to construct or recreate different types of wetlands and study their retention of nutrients, since knowledge of their effectiveness in this matter is poor. In 2003 a wetland was constructed on an old meadow on the western shore of Lake Bornsjön in central Sweden. The main purpose of the wetland was to reduce the amount of phosphorus entering the lake, which is the back-up water supply for Stockholm when the city cannot obtain water from Lake Mälaren. Large areas around Lake Bornsjön consist of agricultural land and the nutrient concentrations in the inflows to the lake are usually relatively high (approx. 1 mg/l total nitrogen and 0.05-0.1 mg/l total phosphorus).
Whispers in the forest : a field study about communication within Vi-agroforestry
The purpose of this study is to explore and understand the social and structural dynamics of an organization working with questions regarding development. The organization in question is Vi-agroforestry, a Swedish based NGO that works around the lake Victoria basin and the focus will be on their office in Rwanda. I have used a qualitative approach and conducted participatory observation as well as semi-structured interviews to gather data.
I have emanated from the individuals in the organization by using a theory of microsociological organisationperspecive to understand how the employees create and is created by the existing social structures. (Blomberg, 2003)
Even though the office in Rwanda only is a relatively small part of Vi-agroforestry?s operations it is still highly individual and independent from the rest of the organization.
Synchronous Latency Insensitive Design in FPGA
A design methodology to mitigate timing problems due to long wire delays is proposed. The timing problems are taking care of at architecture level instead of layout level in this design method so that no change is needed when the whole design goes to backend design. Hence design iterations are avoided by using this design methodology. The proposed design method is based on STARI architecture, and a novel initialization mechanism is proposed in this paper. Low frequency global clock is used to synchronize the communication and PLLs are used to provide high frequency working clocks.
Flow och prestation inom idrott
Syftet med studien var att undersöka hur människor upplever och hanterar risken att bli utsatt för hot och våld från klienter i arbetet. En kvalitativ ansats valdes vilket innebär att fokus har lagts på subjektiva upplevelser och erfarenheter av studieområdet. Studien genomfördes gentemot Socialtjänsten från två kommuner och urvalet bestod av intervjuer med elva socialsekreterare vars arbete innehåller myndighetsutövning och kontakt med klienter. Analys av data gjordes enligt induktiv tematisk analys. Resultaten visade att det föreligger en risk att bli utsatt för hot och våld av klienter men den upplevs vara liten.
Signal- och bildbehandling på moderna grafikprocessorer
En modern grafikprocessor är oerhört kraftfull och har en prestanda som potentiellt sett är många gånger högre än för en modern mikroprocessor. I takt med att grafikprocessorn blivit alltmer programmerbar har det blivit möjligt att använda den för beräkningstunga tillämpningar utanför dess normala användningsområde. Inom det här arbetet utreds vilka möjligheter och begränsningar som uppstår vid användandet av grafikprocessorer för generell programmering. Arbetet inriktas främst mot signal- och bildbehandlingstillämpningar men mycket av principerna är tillämpliga även inom andra områden.Ett ramverk för bildbehandling implementeras och några algoritmer inom bildanalys realiseras och utvärderas, bland annat stereoseende och beräkning av optiskt flöde. Resultaten visar på att vissa tillämpningar kan uppvisa en avsevärd prestandaökning i en grafikprocessor jämfört med i en mikroprocessor men att andra tillämpningar kan vara ineffektiva eller mycket svåra att implementera..
Automatgenererade testsviter som hanterarkombinatorisk explosion
I alla mjukvaruprojekt spelar mjukvarutestning en viktig roll. Om enprogramdefekt inte upptäcks och rättas innan systemet sätts i produk- tion, kan detta leda till betydande förluster för organisationen.Scanias kunder har möjligheten att skräddarsy sina fordon, efterkundens egna behov, istället för att välja bland en uppsättning färdigamodeller. Denna praktiskt taget oändliga uppsättning teoretiska model- ler medför dock svårigheter inom testning.En elektronisk styrenhet (ECU) är ett inbyggt system som kon- trollerar ett eller ?era av de elektroniska systemen i ett fordon, t.ex.motorn, kraftöverföringen och luftkonditioneringen. När fordonen läm- nar produktionen parametersätts deras ECU-parametrar efter ett regel- verk som anges i kon?gureringsprogrammet Parameter Setting Module(PSM).
The Future of ABC at Sandvik Tooling
Abstract Title: The Future of ABC at Sandvik Tooling ? Incorporating ABC with information systems in order to drive business development from a cost point of view. Authors: Jenny Andersson and Camilla Salomonsson. Supervisor: Charlotta Johnsson ? Department of Automatic Control, Lund University.
Modellering av rotationssystem
This master thesis was conducted during the spring of 2014 at Atlas Copco Rock Drills AB in Örebro. The purpose of the thesis was to develop a simulation model of the rotation system for a hydraulic rock drill. In the future, the model will be used to investigate the phenomena called ?jerky rotation?. In order to validate the simulation model a test bench was designed and tests were made.
En studie av kassaflödesanalysens upprättande på Hilton Food Group , Willys AB , Bostads AB Mimer och Eskilstuna kommun.
Bakgrund: Investeringen kännetecknas av att någon, företag eller privatperson, avsäger sig möjlighet till konsumtion idag för ökad konsumtion i framtiden. Den är en faktor som kan öka företagets värde och det är därför viktigt att rätt investering väljs. Investeringskalkyleringen ger företaget värdefull information om en investering. De vanligaste kalkylmetoderna är NPV, IRR, payback och diskonterad payback. Payback är en särskilt intressant metod av två anledningar.
PlusTak
Today´s roofing of dwelling houses is a very time consuming procedure, which includes a lot of different steps on the construction site. Not only does it cost a lot of money, but often do problems with rot and mold occur in the attics of houses today. The use of prefabricated modules has seen a great breakthrough in the field of construction of dwelling houses; at least when it comes to foundations and walls, where this type of approach makes the construction process way more efficient. What no one previous has succeeded to develop is a corresponding system for roofs that meets the demands of a dwelling house. Accordingly the goal of PlusTak has been to come up with a proper module system for roofing of dwelling houses, where the roofing is completed to meet the demands of the Scandinavian market. During the project a lot of effort has been put into customer contacts and the usability of the product, as well in the manufacturing process as on the construction site. This development has gone hand in hand with several practical tests and tryouts.
Konceptstudie av drivmodul till bandskotare med hybriddrift
BAE Systems Hägglunds has a long history of producing high performance terrain tracked vehicles (mostly for military applications), and they are now aiming at developing a tracked forwarder with similar techniques.The forwarder will be of series hybrid type where a diesel engine via a generator will power the motors (one for each drive wheel). Thanks to individually controlled motors and the gentle rubber tracks, this forwarder is calculated to have a considerably higher average speed in the terrain and to be more gentle to the soil. The forwarder with a weight of 11 metric tons and a load capacity of 15 metric tons is specified to have an average working speed of 7-10 km/h, a top speed in terrain of 15 km/h and a top speed on roads of 40 km/h.This master?s thesis aims at developing a conceptual design of the forwarder?s drive module which includes electric motor, gear unit, brake and drive wheel.To investigate if the requirements can be fulfilled a study of the dimensioning loading scenarios has been carried out. The resulting needs regarding the torque has been considered in order to determine the required gear ratios for different motor options.
Fluid Simulation for Visual Effects
This thesis describes a system for dealing with free surface fluid simulations, and the components needed in order to construct such a system. It builds upon recent research, but in a computer graphics context the amount of available literature is limited and difficult to implement. Because of this, the text aims at providing a solid foundation of the mathematics needed, at explaining in greater detail the steps needed to solve the problem, and lastly at improving some aspects of the animation process as it has been described in earlier works. The aim of the system itself is to provide visually plausible renditions of animated fluids in three dimensions in a manner that allows it to be usable in a visual effects production context. The novel features described include a generalized interaction layer providing greater control to artists, a new way of dealing with moving objects that interact with the fluid and a method for adding source and drain capabilities..