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Visar resultat 1 - 5 av 296 avhandlingar som matchar ovanstående sökkriterier.

1. 1. Reframing and Resolving Conflict : Israeli-Palestinian Negotiations 1988-1998

   Författare :Karin Aggestam; Statsvetenskapliga institutionen; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; conflict; Palestine; Political and administrative sciences; PLO; Israel; negotiations; peace process; Middle East; resolving; reframing; resolution; transformation; diplomacy; Statsvetenskap; förvaltningskunskap;

   Sammanfattning : The mutual recognition between Israel and the PLO in 1993 signalled a major shift in the Israeli-Palestinian conflict. This study examines, both theoretically and empirically, the basic question of how meaning of conflict may change and how conflict may be resolved. LÄS MER

3. 2. Turbulence-resolving simulations for engineering applications

   Författare :Bastian Nebenführ; Chalmers tekniska högskola; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; LES; Aeroacoustics; Forest canopy; Airframe noise; hybrid RANS LES; Turbulence-resolving simulation; Wind-turbine fatigue loads; Wind power;

   Sammanfattning : Most fluid flows of industrial interest are turbulent and their accurate representation may be of vital importance for the design process of new products. To date, steady RANS methods are usually employed for the simulation of turbulent flows of everyday engineering problems. LÄS MER

4. 3. Modelling of Multicomponent Fuel Sprays

   Författare :Vignesh Pandian Muthuramalingam; Chalmers tekniska högskola; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; multicomponent fuel sprays; diesel and gasoline engine conditions; CFD; resolving counterbore; GDI injector; resolving injector orifice; secondary breakup; stochastic blob and bubble model; differential evaporation;

   Sammanfattning : The use of fuel blends (conventional fuels blended with renewable ones) has gained importance in the automotive industry as an option to reduce emissions and dependence on fossil fuels. In order to make the fuel blends commercially viable, computational fluid dynamics (CFD) is used to complement the experiments (done on engines or spray chambers) by providing fundamental insight into spray formation. LÄS MER

5. 4. Turbulence-resolving Simulations of Swirling Flows

   Författare :Ardalan Javadi; Chalmers tekniska högskola; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Swirling Flow; URANS; Hydropower; Hybrid URANS-LES; SAS; Flow Control; Turbulence Modeling; Vortex Breakdown; DDES; LES;

   Sammanfattning : A series of numerical investigations is undertaken using a wide range of turbulence mod-els including conventional and non-conventional URANS models, hybrid URANS-LESmethods and LES to capture a large variety of physical mechanisms that produce pres-sure pulsations in the swirling flows. The available knowledge about these pulsations,which are usual in hydropower, are still far from complete. LÄS MER

7. 5. Resolving deep nodes of eukaryote phylogeny

   Författare :Caesar Al Jewari; Sandra L Baldauf; Fabien Burki; Antonis Rokas; Uppsala universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Eukaryote Tree of Life; Excavata; phylogenetics; phylogenomics; Mitochondria; Biology with specialization in Systematics; Biologi med inriktning mot systematik;

   Sammanfattning : My thesis aims to solve deep nodes in the eukaryote tree of life (eToL), by developing new data sets and new approaches to analysing them. In paper I, I described a dataset of 76 universal eukaryotic proteins of bacterial descent (euBacs), in order to test the relations among the three main divisions of mitochondriate eukaryotes (Amorphea, Diaphretickes and Discoba). LÄS MER