Essays about: "Ring spinning"

Found 3 essays containing the words Ring spinning.

  1. 1. Fabric conditioning for more gentle shredding : Pre-treatment for mechanical recycling of cotton and polyester

    University essay from Högskolan i Borås/Akademin för textil, teknik och ekonomi

    Author : Therése Sjöblom; [2018]
    Keywords : Mechanical recycling; Reclaimed fibres; Shredding; Fibre length; Ring spinning; Rotor spinning; Cotton; Polyester; Sustainable development;

    Abstract : There is a growing need for fibres with increasing population. One way to solve this is to recycle the fibres from textile waste. In mechanical recycling by shredding the textiles are shredded back to fibrous form. The biggest problem with shredding is that it is a harsh process that reduces the fibre length and damages the fibre. READ MORE

  3. 2. Wear reduction between disc edge and seat in a butterfly valve

    University essay from Karlstads universitet/Fakulteten för hälsa, natur- och teknikvetenskap (from 2013)

    Author : Sofia Lind; [2017]
    Keywords : ;

    Abstract : This thesis was written on behalf of SOMAS instruments AB. SOMAS develops, manufactures and markets valves. The mission was to reduce the wear between the disc edge and the seat in a butterfly valve that are used at high temperatures. READ MORE

  4. 3. Spinning LED figure : Resolution of projecting a 3D image

    University essay from KTH/Maskinkonstruktion (Inst.)

    Author : Peter Fjellander; Simon Gärtner; [2015]
    Keywords : ;

    Abstract : The thesis is a study about pixel density of a 3D projection, projected by a spinning ring with LED attached to its surface and which parameters impact the pixel density. A theory of when and how the 3D projection occurs was developed. The theory is based on the works of Max Wertheimer in 1912 on the subject of ϕ-movement. READ MORE