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Design Considerations for Solid Oxide Fuel Cell Auxiliary Power Units for Luxury Passenger Vehicle

SOFC systems, working at high temperatures of about 800°C, have recently attracted significant interests for application as automotive and stationary power supply systems. This paper explores the possibilities and limitations for achievement of solid oxide fuel cells (SOFCs) as 7 kW auxiliary power units on luxury passenger vehicles operating on diesel fuel. Various issues are discussed, e.g., the

Institutional power dynamics in Swedish child welfare collaboration

Collaboration in child welfare services enjoys an almost taken-for-granted status, often associated with consensus and synergetic decision-making. Although, in collaborative practice conflicts and dilemmas often occur. This paper emphasizes institutional tensions and power dynamics of collaboration in the context of hybrid organizations of 'Barnahus', on investigations of suspected crimes against

Distributed space-time code for amplify-and-forward cooperative networks

Cooperative diversity using distributed space-time codes has been recently proposed to form virtual antennas in order to achieve diversity gain. In this paper, we propose a distributed space-time coding with amplify-and-forward relaying. Motivated by protocol (III) presented in, we propose a distributed space-time code for an arbitrary number of relay nodes. The pairwise error probability (PEP) is

New phenomena discovered in the atmospheres of normal late-B type stars

We report detections of weak emission lines in main sequence B starspectra observed at high spectral resolution and high signal-to-noiseratio. The emission lines originate from highly excited states ofsingle-ionized species. The mechanism for populating these excitedstates is currently under investigation and the results may have asignificant bearing upon our understanding of the outermost atmosph