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This paper presents a numerical investigation of the effect of different back sweep angles and exducer widths on the steady-state impeller outlet flow pattern of a centrifugal compressor with a vaneless diffuser. The investigations have been performed with commercial CFD and in-house programmed 1-D codes. CFD calculations aim to investigate how flow pattern from the impeller is quantitatively infl

Under 1100-talets sista hälft fastställdes inom kanonisk rätt principen att makarnas samtycke ensamt är tillräckligt för att skapa ett giltigt äktenskap. Varken familj eller andra auktoriteter, inte ens kyrkliga, hade laglig bestämmanderätt över två personers giftermål. Ett äktenskap kunde ingås på två sätt, antingen genom verba de presenti, löfte för det nuvarande, som med omedelbar verkan skapa

IKEA is a product developing company, known for putting packaging and logistics issues at the top of its agenda. At IKEA, the product and the packaging are developed concurrently with the aim of lowering the total cost from the supplier to the customer. During the years 2002 to 2004, a pckaging redesign project was conducted at IKEA. The purpose of the project was to redesign the packaging for an

Bioaerosols include bacterial cells and spores, viruses, pollen, fungi, algae, detritus, allergens and cell fragments. Bioaerosol particles are usually a small fraction of all aerosol particles in our surroundings, but their impact can be critical. They are a means for transmission of disease, they cause allergic reactions and they have effects on the global climate, ecology and biodiversity. This

In legal theory, a well-known idea is that an intermediate concept like 'ownership' joins a set of legal consequences to a set of legal grounds. In our paper we attempt to make the idea of a joining between grounds and consequences more precise by using an algebraic representation of normative systems earlier developed by the authors. In the first main part the idea of intermediate concepts is pre

The effect of pulsed electric field (PEF) pretreatment on solid-liquid expression from potato tissue was studied on individual parenchyma tissue samples for different PEF intensities, varying deformations and deformation rates. The yield increased with deformation. The yield at constant deformation increased with increased PEF intensity and decreased deformation rates. The compressive force was re

My own privilege as an observer of the Palaeolithic and Mesolithic rests on the power of an outsider by wearing lenses from other archaeological research fields. As far as I understand doing archaeology, a reflexive consciousness about the production of knowledge and the communication strategies is fundamental for increasing our knowledge and using our knowledge of the past. The awareness of subje

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