Uppsatser om friction

83 uppsatser · sida 4 av 6

Boleko

Kandidatuppsats · Högskolan i Halmstad

… amusing features inside. Thanks to Boleko concepts such as energy, magnetism, friction, gravity, light reflection, mathematics and mechanics become real in an inspiring way and stimulate interest in science and technology. Children of different ages with different backgrounds …

Radialtätning till Retarder

Masteruppsats · Linköpings universitet

… it can be seen just on the seals? A rig test was conducted where we show how friction, speed, transmission temperature and mitigation phases of the retarder affects temperatures in the sealing environment. Factors affecting the coke structure are reported, together with …

KB-ryggstödet

Vidareutveckling av ett justerbart ryggstöd för rullstolar

Masteruppsats · KTH

… got a frame that is made by several adjustable links that is held in place by friction. Between the links velcro tapes are attached that is adjusts the depth. The links are fixated by screw joints that need to be tightened real hard to keep the links shape correct during usage …

Möten i det offentliga rummet

att planera för sociala interaktioner

Kandidatuppsats · SLU

… space. The conflict between prescribed and unique usage generates social friction that enhances more open and accessible public spaces for more groups. Through literature studies based on public spaces are the social life and its conditions studied. The purpose and central …

Upphovsrättens effekter på biblioteken

En diskussion kring bibliotekens position, verksamhet och framtid

Masteruppsats · Uppsala universitet

… work in society. The goal of the examination is to point out and discuss the friction that appears when one system of intellectual property is institutionalized in society. With this comes the mission of opening a discussion concerning the possibilities for libraries to ”keep …

Utveckling av kyl- och smörjsystem för ekobilen Agilis HCCI motor

Masteruppsats · KTH

… a heat exchanger. The purpose of the lubrication system is to prevent the friction that builds up in the interference between moving parts in the engine. Several principles of lubricating the engine are used today. Bigger engines are commonly lubricated by forcing lubricants …

Metoder att förhindra nedisning av vindkraftverksblad

Kandidatuppsats · Linnéuniversitetet

… mostly about superhydrofobic surfaces, since the production of totally frictionless surfaces is not yet a possibility. There are different ways to create the so called Lotus effect with superhydrophobicity on a surface. One way is to start with a material with low surface energy …

En undersökning av framtidametoder för att säkra förband i produktion

Examensarbete, grundnivå · Uppsala universitet

… achieve a secure joint. Current methods to secure the joint is due much of the friction effect and is an indirect method to measure the clamping force. The clampforce accuracy becomes more widely with torque angle control. Scania is working with continuous improvements in order …

Snedställningskrafters påverkan på prefabricerade pelar-balk stommar

Kandidatuppsats · Linnéuniversitetet

The aim of this thesis was to investigate if the robotized welding method FSW (Friction Stir Welding) could be applied for joining a rotating structure in an aero engine at Volvo Aero Corporation. FSW is expected to introduce less defects than today’s welding methods and could …

Åtkomststudie för robotiserad svetsning av flygmotordetalj

Examensarbete, grundnivå · Högskolan Väst

The aim of this thesis was to investigate if the robotized welding method FSW (Friction Stir Welding) could be applied for joining a rotating structure in an aero engine at Volvo Aero Corporation. FSW is expected to introduce less defects than today’s welding methods and could …

Leanorienterad flödesutveckling

av kärntillverkningen på Affärsenhet Cylinder ASSA AB

Magisteruppsats · Mälardalens högskola

Business unit Cylinder at ASSA AB in Eskilstuna are having problem with frictions in their production process. Changes are occurring and older products along with machineries are phased out and transferred to low-cost countries. This opens up possibilities to at a larger extend …

Geosynteter för hållbara vägar

<em>Modell för jämförelse av vägöverbyggnader med eller utan geotextiler och/eller geonät</em>

Masteruppsats · Mälardalens högskola

… reducedFilling material density has increased due to geogrid wedging mechanismFrictional resistance has increased due to the fact that pavement materialparticles have been extended due to geogrid’s wedging mechanismSuperstructure’s total thickness has been reduced due …

Varmsmidning av aluminiumlegering 6026 T9

Warm forging of aluminum alloy 6026 T9

Kandidatuppsats · Högskolan Dalarna

… any lubricant.The performed experiments show that the lubricant reduces friction and makes it easier for the material to flow into the die. Higher billet temperature than 450 °C is deemed unnecessary as it does not give any significant improvement in filling the die. The …

Västlänken Analys ur ett tekniskt och ekonomiskt perspektiv.

Kandidatuppsats · Chalmers tekniska högskola

… the crystal peaks are broken by the pressure process and helps reduce friction during the processThe result shows that phosphate affects the life span of the production tools and minimizes the damage. Enhancing the time it can be used without being broken in the process. On the …

BI M i förvaltningsskedet med avseende på konstruktion.

Examensarbete, grundnivå · Chalmers tekniska högskola

… the crystal peaks are broken by the pressure process and helps reduce friction during the processThe result shows that phosphate affects the life span of the production tools and minimizes the damage. Enhancing the time it can be used without being broken in the process. On the …