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Servicearbetets förvandlingar och förhandlingar tar sin utgångspunkt i de ständigt föränderliga villkor som service- arbetet står inför. detta temanummer har sin upprinnelse i en workshop med temat ”Service på marginalen” med deltagare från institutionen för service management och tjänstevetenskap och inbjudna gäster. En kritisk och reflekterande ansats, grundad i empiriska studier som sätter serv
In the present work, an experimental study related to turbulent flow inside the bend part of a U-duct geometry was performed concerning pressure drop and heat transfer. Such duct geometries can be found inside gas turbine blades, where the cooling air extracts heat from hot internal walls while it is flowing inside the cooling passage. Both friction factors and convective heat transfer coefficient
To fulfill increasing requirements in the manufacturing sector, companies are faced with several challenges. Three major challenges have been identified regarding time-to-market, vertical feedback loops and level of automation. Grafchart, a graphical language aimed for supervisory control applications, can be used from the process-planning phase, through the implementation phase and all the way to
In this paper, a classic subject will be addressed: the last import of Islamic dirhams into Scandinavia. The place under study is Sigtuna, established in c. AD 980, a date that sets the earliest possible deposition for nine retrieved dirhams. The main objec- tive is to provide data for their chronology and provenance, and to confirm under which regent they were issued. With this data at hand, an a
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