68 research outputs found
Current Challenges And Solution Approaches In Empirical Engineering Design Research – A Workshop For Empirical Research
The requirements on validity for studies in design research are very high. Therefore, this paper aims at identifying challenges that occur when setting up studies and suggests solution strategies to address them. Three different institutes combining their experience discussed several studies in a workshop. Resulting main challenges are to find a suitable task, to operationalise the variables and to deal with a high analysis effort per participant. Automation in data evaluation and a detailed practical guideline on studies in design research are considered necessary
Recurrent governance challenges in the implementation and alignment of flood risk management strategies: a review
In Europe increasing flood risks challenge societies to diversify their Flood Risk Management Strategies (FRMSs). Such a diversification implies that actors not only focus on flood defence, but also and simultaneously on flood risk prevention, mitigation, preparation and recovery. There is much literature on the implementation of specific strategies and measures as well as on flood risk governance more generally. What is lacking, though, is a clear overview of the complex set of governance challenges which may result from a diversification and alignment of FRM strategies. This paper aims to address this knowledge gap. It elaborates on potential processes and mechanisms for coordinating the activities and capacities of actors that are involved on different levels and in different sectors of flood risk governance, both concerning the implementation of individual strategies and the coordination of the overall set of strategies. It identifies eight overall coordination mechanisms that have proven to be useful in this respect
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Acoustic noise associated with the MOD-1 wind turbine: its source, impact, and control
This report summarizes extensive research by staff of the Solar Energy Research Institute and its subcontractors conducted to establish the origin and possible amelioration of acoustic disturbances associated with the operation of the DOE/NASA MOD-1 wind turbine installed in 1979 near Boone, North Carolina. Results have shown that the source of this acoustic annoyance was the transient, unsteady aerodynamic lift imparted to the turbine blades as they passed through the lee wakes of the large, cylindrical tower supports. Nearby residents were annoyed by the low-frequency, acoustic impulses propagated into the structures in which the complainants lived. The situation was aggravated further by a complex sound propagation process controlled by terrain and atmospheric focusing. Several techniques for reducing the abrupt, unsteady blade load transients were researched and are discussed in the report
Handling adaptation policy choices in Sweden, Germany, the UK and the Netherlands
Attention is increasing in academia towards the governance of adaptation, specifically how state and non-state actors are defining the adaptation ‘problematique’ and crafting public policies to address it. Adaptation is the ‘adjustment in natural or human systems in response to actual or expected climatic stimuli or their effects, which moderates harm or exploits beneficial opportunities’. The challenge for governments is taking this rather vague concept and turning it into viable and implementable public policies. This implies that they have to make choices as to the types of polices to create, the sectors they should cover, ministerial jurisdictions and funding. This article contributes to the discussion on the adaptation governance by presenting a conceptual framework that outlines policy choices governors need to make, by applying this framework to a number of countries, and starting the debate on which choice or choices were particularly instrumental in shaping adaptation policy in particular countries as a whole. It focuses on four countries traditionally seen to be adaptation leaders: Germany, the Netherlands, Sweden and the United Kingdom
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