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Tortuosity is a measure of the geometric complexity of the porous media. Knowing the tortuosity value of the porous media is helpful to get detailed information about the fluid behavior at microscale. In order to calculate the tortuosity, the velocity field of the fluid troughthe porous media is determined using the lattice Boltzmann method (LBM). The particle size of the obstacles is varied, keep
There is in large parts of the world a demographic crisis. Due to the increase in life length and the drop inbirth rates, prospects are that much fewer people of working age will be available in the future to supportthose in retirement.Also Sweden faces a demographic challenge, implying that it will be necessary to make the Swedeswork more years. There is an obvious potential in the age range 65-7
The measurement and the investigation of the errors in a Couette rheometer have been a topic of considerable interest in many rheometric studies. In the present study, a more accurate predictor-corrector method based on CFD and the analytical solution of the problem is described. Comparing to the previous CFD-based method, in addition to considering the effect of the end parts, the presented corre
Periampullary adenocarcinoma, including pancreatic cancer, has a poor prognosis that has not improved in the last decades. Therefore, in order to find more effective treatment regimens, it is necessary to gain more insight into the biology and clinical behaviour of these tumours. This thesis entails a thorough histopathological characterization of retrospectively collected tumours from a consecuti
This article analyzes how the Norwegian news media framed the terrorist attacks in Oslo and the island of Utöya, which killed 77 mainly young people on 22 July 2011. Did the news media favour or counteract the propaganda of the terrorist? After discussing earlier research about terrorism and media and presenting theories on news framing, results from a content analysis of 924 news articles in two
The politics of landscape production involve questions about the power to define what landscape means, who or what belongs to landscape and who or what belongs in landscape. Asserting the right to participate in landscape production and thus to help steer landscape along desirable development pathways remains a core component of landscape politics and grows in importance as many societies experienc
Lund University has offered the Sida-financed International Training Programmeon Child Rights, Classroom and School Management since 2003. Theprogramme targets those in a position from which they can initiate processesof change in the education sector in their countries. During the programmeall participating teams initiate a change project in their respective countriesaiming at the realization of
Lund University has offered the Sida-financed International Training Programmeon Child Rights, Classroom and School Management since 2003.The programme targets those in a position from which they can initiate processesof change in the education sector in their countries. During the programmeall participating teams initiate a change project in their respectivecountries aiming at the realization of
This article presents the accomplishments and challenges of a rural sustainable development initiative in Nyanza Province, Kenya. Our focus is on the sale and financing of a simple technology — an improved cookstove — by a local entrepreneur. The theoretical basis of the research is innovation systems and (social) entrepreneurship. We first define the major challenges of the diffusion process enc
