Search for dissertations about: "Jonas Lundgren"

Showing result 1 - 5 of 8 swedish dissertations containing the words Jonas Lundgren.

2. 1. Internal Cooling Design Using Multiphysics Topology Optimization

   Author : Jonas Lundgren; Carl-Johan Thore; Anders Klarbring; Jan-Erik Lundgren; Joe Alexandersen; Linköpings universitet; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

   Abstract : This thesis investigates topology optimization (TO) as a tool for designing optimal internal cooling configurations in components subjected to external hot gas streams. The work is motivated by the challenge of simultaneously considering objectives from multiple physics domains, and the rapid development of additive manufacturing (AM) in the industry, which makes it possible to realize highly complex TO designs. READ MORE

4. 2. Reconstruction of stresses in plates by incomplete Cauchy data

   Author : Jonas Lundgren; Björn Gustafsson; Linköpings universitet; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES;

   Abstract : We consider an ill-posed boundary value problem from classical plate theory for the biharmonic equation. The boundary conditions involve incomplete Cauchy data on one part of the boundary and an extra condition on the other part. READ MORE

5. 3. International organizations as peacemakers : The evolution and effectiveness of intergovernmental instruments to end civil war

   Author : Magnus Lundgren; Jonas Tallberg; Isak Svensson; Yoram Haftel; Stockholms universitet; []
   Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; intergovernmental organizations; international organizations; conflict management; conflict resolution; mediation; civil war; armed conflict; institutional design; mediator bias; bargaining theory; Political Science; statsvetenskap;

   Abstract : Across four self-contained essays, this dissertation seeks to identify which features make international organizations (IOs) effective peacemakers in modern civil wars. The first essay introduces an original dataset on the institutional design of 21 peace-brokering IOs between 1945 and 2010. READ MORE

6. 4. Interplay between hormones, nutrients and adipose depots in the regulation of insulin sensitivity : an experimental study in rat and human adipocytes

   Author : Magdalena Lundgren; Jan Eriksson; Jonas Burén; Eva Degerman; Umeå universitet; []
   Keywords : LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; adipose tissue; cAMP; glucocorticoids; glucose; insulin; insulin resistance; lipolysis; subcutaneous fat; type 2 diabetes; visceral fat; Medicine; Medicin;

   Abstract : Obesity and specifically central obesity is related to insulin resistance, type 2 diabetes and other components of the so-called metabolic syndrome. The aim of this study was to elucidate the interplay between hormones, nutrients and adipose depots in normal and insulin-resistant fat cell metabolism. READ MORE

7. 5. Evaluation of emerging forest-industry integrated biorefineries : Exploring strategies for robust performance in face of future uncertainties

   Author : Jonas Zetterholm; Elisabeth Wetterlund; Joakim Lundgren; Johanna Mossberg; Yawer Jafri; Damiana Chinese; Luleå tekniska universitet; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Biorefinery; Biomass; Forest industry; Biofuels; Investment; Gasification; Fast pyrolysis; Energiteknik; Energy Engineering;

   Abstract : Biorefineries have been promoted to reduce dependency on fossil resources, increase self-sufficiency, and revitalise rural areas. Commercial deployment of forest-based biorefineries has been slow, although academic research has identified several technology options as promising in terms of both costs and resource usage. READ MORE