41 research outputs found

    Mapping the use of simulation in prehospital care – a literature review

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    "Dermed hugget han jarlen i hodet" - En undersøkelse av årsakene til høy frekvens av jarledrap på Orknøyene i perioden ca. 870-1230

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    Hovedfunnet i undersøkelsen er at den høye frekvensen av jarledrap hadde sitt opphav i flere grunnleggende forhold ved det orknøyske jarledømmet. De institusjonelle rammene tilknyttet arverett og styreform la til rette for konflikt. Videre var jarlens plassering i det politiske spillet utsatt ved at flere ulike grupper var i posisjon til å påvirke jarlens valg og handlingsrom. Undersøkelse viser at det var kombinasjonen av disse forholdene som sørget for høy frekvens av jarledrap i den norrøne perioden

    Modelling and optimization of a Gas-to-Liquid plant

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    This thesis investigates the operational performance and optimization of aGas-to-Liquid plant based on autothermal reforming (ATR) and a multitubular fixed bed (MTFB) reactor together with a cobalt catalyst. This isachieved through simulation of the process in Unisim Design R400. Thesimulations were based on a feed designed for a 17000 bbl/d train and doesnot incorporate the upgrading unit. The work is divided in three main sections;parameter study, optimization on syncrude flow, carbon- and thermalefficiency and optimization with consideration to economics including heatintegration through pinch analysis. The optimized process was found toproduce 19940 bbl/d of syncrude with a carbon efficiency of 82.41% and thermalefficiency of 65.93%, when not taking economics into consideration.The inclusion of economics changed the operational optimum to a syncrudeproduction of 18620 bbl/d and efficiencies of 77.25% and 61.77% respectively.Ultimately a production cost of 16.10 USD/bbl and revenue of 59.89 USD/bbl wasobtained. With current crude oil price at 98.90 USD/bbl it indicates a goodeconomical environment for the Gas-to-Liquid process

    Therapeutic Hypothermia After Cardiac Arrest

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