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Technological change and users: An actor-network perspective on the digitalization of video surveillance

This paper discusses aspects of technological change and the path towards institutionalization of new innovations, with a focus on how users matter and are part of the co-construction of such change. An empirical example from the security industry is used to illustrate how two distinct phases in the analog-to-digital shift in video surveillance technology have had very different outcomes with resp

Temperature control of a utility system for an Open Plate Reactor

A new reactor type has been designed by Alfa Laval AB,the open plate reactor (OPR). It combines good mixing with high heat transfer capacity. With the new open plate reactor, highly exothermic reactions can be produced using more concentrated reactants. In the paper, the reactor type is presented and a model from first principles is derived. The paper concerns the control properties of the platere

Case Study Report: Kalmar County

The content of this report is a Deliverable of the FP7 project RUFUS (Rural Future Networks) concerning the Swedish case studies that have been conducted within the project. Two regions in the south of Sweden – the counties of Kronoberg and Kalmar – have been studied in order to find out how social and economic development strategies are enacted in these rural regions. This report concerns Kalmar

Water saturation modeling in polymer electrolyte membrane (PEM) fuel cells using a validated approach

In this work, a 3D model of a PEM fuel cell has been developed for water saturation and its effects using a validated approach considering the internal movement of water across the membrane. For different operating levels, it was found that at lower current densities, the maximum saturation occurs faraway region from the air inlet because of the decrease in ability of air to evaporate the liquid w

Härskarsymbol och högsäte - om betydelsen av västmarkeringar i romanska kyrkor

While the liturgical centre of the church is the high altar in the chancel, the western part of the Romanesque church has often been ascribed a more secular character. This seems to be an area where those in power could assert their authority in a religious setting. The magnitude of these manifestations vary greatly, from the ostentatious westworks of the cathedrals and the miscellaneous forms of