Sökning: "Friktion"

Visar resultat 11 - 15 av 49 avhandlingar innehållade ordet Friktion.

  1. 11. Samarbete och lärande : Om friktion, uppgifters komplexitet och erfarenhetsutbyten i samarbete

    Författare :Lisbeth Stedt; Arvid Löfberg; Magnus Söderström; Stockholms universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Cooperation; learning; organisational pedagogic; exchange of experience; task complexity; pedagogik; Education;

    Sammanfattning : This thesis highlights collaboration among secondary school teachers as an example of employees' possibilities to learn from each other in collaboration. The purpose of the thesis is to throw light upon how employees shape conditions for cooperation, and the importance these conditions have for their possibilities to exchange experiences and influence each other’s task understanding, i. LÄS MER

  3. 12. Framtid.nu : flyt och friktion i ett snabbt företag

    Författare :Robert Willim; Avdelningen för etnologi; []
    Nyckelord :HUMANIORA; HUMANITIES; ekonomisk politik; Utvecklingsekonomi; Systems engineering; etnologi; företagskultur; framfab; uppgradering; datorer; IT; speed; network society; economic policy; Speed; företagsekonomi; economic systems; economic theory; econometrics; Economics; Business Rhetoric; Flow; Digital Media; Upgrading; Computers; Fast Companies; ekonomisk teori; ekonomiska system; Data- och systemvetenskap; computer technology; ekonometri; The New Economy; Economics of development;

    Sammanfattning : For some years the new economy in Sweden was to a high extent represented by a couple of new and fast growing companies. One of these was the Internet consultancy Framfab (Framtidsfabriken). The company became synonymous with the unusual and exciting, a new kind of business, new products and new attitudes. LÄS MER

  4. 13. Tactile Perception : Role of Friction and Texture

    Författare :Lisa Skedung; Mark Rutland; Siegfried Derler; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; human skin; tactile friction; finger friction; skin friction; skin tribology; biotribology; tactile perception; haptic perception; psychophysics; haptics; surface roughness; surface texture; contact area; nanostructure; model surfaces; surface wrinkling; printing paper; tissue paper; magnitude estimation; multidimensional scaling; tactile threshold; psychophysical relations; smoothness; coolness; coarseness; softness; force sensor; skin lipids; topical formulations; skin creams; taktil friktion; fingerfriktion; hudfriktion; hudtribologi; biotribologi; taktil perception; psykofysik; haptik; ytråhet; ytstruktur; ytveckning; nanostruktur; kontaktarea; modellytor; friktionskoefficient; kraftmätare; bestruket papper; obestruket papper; tryckpapper; mjukpapper; multidimensionell skalning; magnitud estimation; taktilt tröskelvärde; lenhet; mjukhet; svalhet; strävhet; hudlipider; topikala beredningar; hudkräm;

    Sammanfattning : Tactile perception is considered an important contributor to the overall consumer experience of a product. However, what physical properties that create the specifics of tactile perception, are still not completely understood. LÄS MER

  5. 14. Monitoring winter road friction using floating car data

    Författare :Sofia Sollén; Johan Casselgren; Mikael Sjödahl; Hawzheen Karim; Luleå tekniska universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Floating Car Data; Winter Road Maintenance; Tire-to-Road Friction; Road Safety; Vision Zero; Intelligent Transport Systems; Experimental Mechanics; Experimentell mekanik;

    Sammanfattning : More than a million people die every year due to road traffic accidents globally where one in five serious or fatal accidents occurs during severe weather conditions. Sweden is in the lead of Vision Zero, with the aim of zero casualties due to road traffic, and every year new countries and organisations accept the challenge of saving lives. LÄS MER

  7. 15. Effects of top-of-rail friction modifiers on the friction, wear and cracks of railway rails

    Författare :Saad Ahmed Khan; Jan Lundberg; Rolf Dollevoet; Luleå tekniska universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Drift och underhållsteknik; Operation and Maintenance;

    Sammanfattning : The railway is an economical and environmentally friendly mode of transport for long distances and heavy loads. The demands on the operators are increasing with increased competition in the market, and therefore they are currently demanding more track capacity. In the short term, the existing network is expected to deliver the increased capacity. LÄS MER