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- Ericsson, Claes, 1947-, et al.
(författare)
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En start för tänket, en bit på väg : Analys av ett utvecklingsprojekt kring kultur och estetik i skolan
- 2007
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Bok (övrigt vetenskapligt/konstnärligt)abstract
- En start för tänket, en bit på väg beskriver och analyserar ett utvecklingsprojekt kring kultur och estetiska lärprocesser. Några skolor i Värmland deltog under tre års tid i det så kallade pilotskoleprojektet, vars huvudsyfte var att ta fram modeller för hur en estetisk dimension skulle kunna genomsyra verksamheten i skolan. Boken har både ett teoretiskt och ett praktiskt anslag. Det teoretiska yttrar sig dels i en genomgång av forskningsläget i Sverige, dels i en diskussion av undersökningsdeltagarnas sätt att definiera en estetisk lärprocess och den kunskapsbildning som kommer till stånd i en sådan. Det praktiska yttrar sig i att de respektive skolornas konkreta arbete skildras. Förutom att boken kan betraktas som en utvärdering av arbetet och sålunda kan utgöra ett underlag för diskussion och reflektion vid de deltagande skolorna, kan den ses som en kunskapsbank för andra skolor som vill fördjupa arbetet med kultur och estetik. Den torde också med fördel kunna användas inom lärarutbildningar där dess dubbla fokus på teori och praktik svarar mot den målsättning som uttrycks i styrdokumenten. Författarna Claes Ericsson och Monica Lindgren har lång erfarenhet av såväl undervisning i estetiska uttrycksmedel i skola och lärarutbildning som av forskning kring kultur och estetik i skolan.
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- Strannegård, Lars, et al.
(författare)
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Affärsetik
- 2007. - 1
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Bok (övrigt vetenskapligt/konstnärligt)
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- Edstorp, Marcus, 1980-
(författare)
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Weld Pool Simulations
- 2008
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Licentiatavhandling (övrigt vetenskapligt/konstnärligt)abstract
- This investigation is devoted to the study of welding and its effect on the workpiece, focusing on the thermo and fluid dynamical phenomena occuring during a autogenous or nonautogenous arc fusion welding process. Its aim is to simulate the behaviour of the weld pool and analyze the consequence of the solid-liquid phase change, thus obtaining a methodology for predicting the appearance of weld defects related to solidification and cooling. In order to accomplish this, we solve equations governing a number of continuum mechanical and electromagnetical quantities, as well as consider the motion of the freely moving boundary of the weld pool. Since the state of these quantities is strongly influenced by phenomena such as arc and droplet impingement, non-isothermal phase change, surface tension, Marangoni forces and Lorentz forces, much effort is necessarily devoted to the modelling of the corresponding fluxes and sources, as well as to the implementation of computationally efficient techniques for simulating the geometrical deformation of the workpiece, which in our setting is entirely determined by the motion of the weld pool surface.Common to all arc fusion welding processes is the employment of a welding arc. Many techniques rely on the arc to clean and shield the workpiece during the process, however in this study we consider it to be its main purpose to cause the local increase of thermal energy that is required for the establishment of the weld pool, and also to exert the mechanical forces that provoke the subsequent fluid flow which enhances heat transfer and facilitates weld penetration. The physics of the welding arc itself is quite intricate, and although the modelling of the arc is not the prime objective of this research project, we conclude that arc forces act on the pool surface, and that the investigation of the arc behaviour is important insofar that it provides input to the pool model and thus enables a more accurate prediction of the quality of the weldment that is created once the pool has solidified
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- Beckman, Anita, 1961-
(författare)
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Väntan : Etnografiskt kollage kring ett mellanrum
- 2009
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Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
- This dissertation is about waiting. It's about what happens when an ethnographer goes into the field and asks people to fill a small and indeterminate word like waiting with thoughts, experiences and recollections. The study is primarily based on twenty qualitative interviews with thirteen interviewees in Gothenburg. The interviewees were selected from the ethnographer's own circle of acquaintances and constitute a fairly homogenous group of individuals. They are early middle-aged, were brought up in Sweden during the 1960s and 1970s, belong to a relatively well-educated lower middle-class, have artistic/cultural interests and work in the public/cultural sector. In an attempt to put the interviewees' narratives into a wider context, I have collected and used supplementary material in the form of different narratives communicated, for example, through the mass media, fiction, DIY-books, popular science and art. A central point of departure in the study is that the words we use are filled with meanings that we ourselves assign to them, and that an interview is a form of narrative in which knowledge is constructed at that particular moment in time. The aim of this dissertation is to study some of the articulations of waiting. What kind of waiting is highlighted in the narratives of waiting in every day life? Which words, themes, images, characters and motifs are available to use and grapple with? What is the purpose of waiting, and which ideals, norms and perceptions connected with waiting emerge? By listening to and studying the articulations of waiting I capture a time-dimension – that is partly about an everyday perception and organisation of time and partly about a central aspect of becoming a subject at a more existential level. The aspect of time that has been captured here indicates that waiting is about change. When subjectivity is understood as something that happens, an activity, an action or a process, movement is at the core. Being or becoming a subject demands transition and change – the movement from one state to another. Fulfilling oneself means moving between the different positions that one seeks to occupy. Waiting can thus be said to capture the actual passage, which means that this state that we usually define as something stationary and uneventful is actually an important productive mechanism. This then constitutes the actual effort, attempt and charging up involved in being able to attain something else. The driving force in all these processes is different kinds of imagined needs – the need to become a subject and be fulfilled.
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