Search for dissertations about: "critical point"

Showing result 1 - 5 of 559 swedish dissertations containing the words critical point.

  2. 1. On systems thinking in logistics management - A critical perspective

    Author : Magnus Lindskog; Martin Rudberg; Mattias Elg; Britta Gammelgaard; Linköpings universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Logistics management; Systems thinking; Systems theory; Systems approach; Critical; Interpretive; Actors;

    Abstract : Systems thinking. Systems theory. The systems approach. All these concepts have in various guises been claimed as central to logistics management, since its dawning in the mid twentieth century. READ MORE

  4. 2. Jamming and Soft-Core Rheology

    Author : Daniel Vågberg; Peter Olsson; Teitel Stephen; Vitelli Vincenzo; Umeå universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; jamming; rheology; soft matter; granular material; SLLOD; critical point; critical scaling;

    Abstract : Many different physical systems, such as granular materials, colloids, foams and emulsions exhibit a jamming transition where the system changes from a liquid-like flowing state to a solid jammed state as the packing fraction increases. These systems are often modeled using soft-core particles with repulsive contact forces. READ MORE

  5. 3. X-Ray Investigations of the Liquid-Liquid Critical Point Hypothesis in Supercooled Water

    Author : Alexander Späh; Anders Nilsson; Martin Meedom Nielsen; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; water; supercooled water; x-ray scattering; free electron x-ray laser; liquid-liquid phase transition; liquid-liquid critical point; x-ray speckle visibility spectroscopy; kemisk fysik; Chemical Physics;

    Abstract : This thesis presents experimental x-ray scattering studies on supercooled liquid water. A liquid-liquid transition between two structurally distinct configurations has been found in deeply supercooled water, indicating the existence of a liquid- liquid critical point. READ MORE

  6. 4. Modelling air―water flows in bottom outlets of dams

    Author : Ting Liu; James Yang; Anders Wörman; Michael Pfister; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Air pocket; Air entrainment; Bottom outlet; Critical velocity; Critical submergence; CFD; Experiment; Vortex; PIV; Two-phase air―water flow; Mark- och vattenteknik; Land and Water Resources Engineering; Civil and Architectural Engineering; Byggvetenskap;

    Abstract : If air is entrained in a bottom outlet of a dam in an uncontrolled way, the resulting air pockets may cause problems such as blowback, blowout and loss of discharge capacity. In order to provide guidance for bottom outlet design and operation, this study examines how governing parameters affect air entrainment, air-pocket transport and de-aeration and the surrounding flow structure in pipe flows. READ MORE

  7. 5. On the Ethics of External States in Peacebuilding : A Critical Study of Justification

    Author : Johanna Ohlsson; Elena Namli; Kjell-Åke Nordquist; Pamela Slotte; Uppsala universitet; []
    Keywords : HUMANIORA; HUMANITIES; justification; peacebuilding; ethics; justification strategies; South African foreign policy; Russian foreign policy; Etik; Ethics;

    Abstract : Even the most obvious actions require justification. The need for justification of peacebuilding involvements is always present. This thesis argues that justification is particularly needed when there is a prevalent power asymmetry between an external state and a host community. READ MORE