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A numerical model based on the assumption that carbon monoxide bubbles form due to reaction between carbon and oxygen on the rough surface of inclusions is introduced to investigate the effects on inclusion removal. The proposed numerical model can be used to determine the growth of such carbon monoxide bubbles on an inclusion, which increases the rising velocity of the inclusion to reach the free...
The quality of steel is limited, among others, by the contained non-metallic inclusions. A key factor in this context is the growth of micro-sized indigenous inclusions. Those are assumed to form larger inclusions or clusters by collision in the turbulent melt flow. In this study, a numerical model is established to investigate the collision probability of spherical and clustered non-metallic inclusions...
A model-based design is presented for restoring the small urban river Panke located in Berlin, Germany. This new design process combines high resolution 2D hydraulic modeling with habitat modeling and river-ecological expert knowledge in a highly iterative way. Advances have been made for the habitat modeling: habitat suitability maps have been developed for fish and the habitat suitability for benthos...
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