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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Comment traduire la culture du café? : Une étude de deux polars suédois

Barcheus, Annika January 2011 (has links)
No description available.
2

Experimental Investigations of Leading Edge Bluntness in Shock Boundary Layer Interactions at Hypersonic Speeds

Lakshman, Srinath January 2015 (has links) (PDF)
Shock Boundary Layer Interactions (SBLIs) and shock-shock interactions are some of the most fundamental problems in high speed aerodynamics. These interactions are of particular importance in scramjet intakes at hypersonic speeds. In hypersonic own with strong SBLI accompanied by own separation, large separation bubbles can form due to high impinging shock strengths. While experiments involving large separation lengths for the impinging shock boundary layer interactions near sharp leading edge are well documented in the literature, only few investigations on the effect of leading edge bluntness on the interactions are studied. In the present study, experiments were carried out to study the role of leading edge bluntness on the impinging shock boundary layer interactions. An oblique shock generated by a wedge (wedge angle 31 degrees) is made to impinge on a at plate (length 200 mm) over which a boundary layer develops. Different leading edge inserts were used on a at plate to get either a sharp or a blunt (radii from 2 to 8 mm) leading edge. The position of the at plate was moved horizontally with respect to the wedge to vary the shock impingement location relative to the leading edge. Experiments were carried out at two freestream conditions - Mach 5.88 (total enthalpy of 1.26 MJ/kg and freestream Reynolds number of 3.85 million per meter) and Mach 8.54 (total enthalpy of 1.85 MJ/kg and freestream Reynolds number of 1.41 million per meter). The various features of the interaction along with different parameters were obtained from schlieren visualizations and surface pressure measurements. The schlieren visualization was used to obtain the separation length, while the reattachment pressure was obtained from the surface pressure distribution. From the present experimental study, a reduction in separation length was observed with an increase in leading edge bluntness. It was also seen that the sharp leading edge had the maximum separation length. Correlations for the separation length and the reattachment pressure have been proposed for these experimental conditions. Numerical simulations were also carried out using commercial software and they had a qualitative agreement with the experiments.
3

Metallica: en av Polarprisets vinnare 2018 : En kulturanalytisk studie av mediadiskussionen kring Metallicas mottagande av Polarpriset. / Metallica: one of the winners of the Polar Music Prize in 2018 : A cultural study of the media discussion when Metallica was awarded the Polar Music Prize.

Pavlovic, Anastasia January 2022 (has links)
Denna uppsats syfte är att få reda på hur media beskriver Metallica när de tog emot Polarpriset år 2018. Med hjälp av metoden kulturanalys använder jag mig av kulturanalytiska begrepp och analyserar samt diskuterar resultaten utifrån begreppen identitet, status samt kulturella brytpunkter. Totalt sex artiklar och ett kåseri från Aftonbladet, Expressen, Svenska Dagbladet och Dagens Nyheter har analyserats där jag har letat efter upprepande mönster och teman och kommit fram till intressanta punkter. Majoriteten av journalisterna är positivt ställda till att Metallicas musik uppmärksammas och belönas, dock dök det upp en stor diskussion samt skepticism till själva Polarpriset i sig. Juryns sätt att välja ut vinnare av priset är enligt fem av dessa sju artiklar och kåseri ologiskt, saknar samtidsrelevans och spekulationer kring ett outtalat krav där vinnaren måste dyka upp till ceremonin diskuteras i några av dessa artiklar samt vilken status det faktiskt ger detta pris i sig. Några av journalisterna tar även upp hur hiphopen inte hade vunnit ett pris än men att det kanske vänder nu när ett metalband har vunnit. Det skrivs även om hur andra metalband som Black Sabbath borde ha varit det första metalbandet att ta emot Polarpriset. Undersökningen kommer fram till att dessa journalister beskriver Metallica som ett band med stora insatser för musiken, allra främst inom metalvärlden, som borde belönas men att vinna Polarpriset 2018 innan ett annat metalband har vunnit öppnar till en ny diskussion om statusen på Polarpriset i sig.
4

Heizung der Atmosphären Weißer Zwerge durch Zyklotronstrahlung am Beispiel des Polars AM Herculis / Heating of white dwarf atmospheres by cyclotron emission: the polar AM Herculis

König, Matthias 28 April 2005 (has links)
No description available.
5

Phasenaufgelöste Spektrophotometrie des magnetischen kataklysmischen Veränderlichen EX Hya / Phase resolved spectrophotometry of the magnetic cataclysmic variable EX Hya

Eisenbart, Stephan Friedrich 31 October 2000 (has links)
No description available.

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