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- Kingston, W., et al.
(författare)
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The rock OWC
- 1998
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Ingår i: Third European Wave Energy Conference, Patras, Greece, 30 Sept., - 2 Oct., 1998.
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Konferensbidrag (övrigt vetenskapligt/konstnärligt)
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- Adamsson, Åsa, 1970, et al.
(författare)
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Measurement and three-dimensional simulation of flow in a rectangular detention tank
- 2005
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Ingår i: Urban Water Journal. - 1744-9006 .- 1573-062X. ; 2:4, s. 277-287
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Tidskriftsartikel (refereegranskat)abstract
- There are two main ways to obtain better knowledge of the hydraulics of ponds, namelymeasurements and simulations. In this study, the applicability of using three-dimensionalsimulations as an engineering tool in stormwater pond design was investigated. To dothis, three-dimensional simulations were compared with measurements of flow patternand residence time in a large physical model of a detention tank (13 x 9x 1 m). Theagreement between measurements and simulations concerning both flow pattern andresidence time distribution curves was found to be good for high flow rates.
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- Adamsson, Åsa, 1970, et al.
(författare)
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Simulation of temperature influence on flow pattern and residence time in a detention tank
- 2006
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Ingår i: Nordic Hydrology. - 0029-1277. ; 37:1, s. 53-68
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Tidskriftsartikel (refereegranskat)abstract
- Three-dimensional simulations were used to model how a temperature difference between the incoming water and tank water influences the flow pattern and residence time in a detention tank. Buoyant, neutrally buoyant and negatively buoyant incoming jets were simulated. The simulations were compared with measurements for neutrally buoyant jets in a large-scale model of a detention tank (13 × 9×1 m). The results show that a negatively buoyant jet gives slightly less effective volume, defined as the time when 50% of added tracer has passed the outlet divided by the nominal residence time, than a neutrally buoyant jet. The flow pattern for a negatively buoyant jet at low densimetric Froude numbers consists of a current that travels along the bottom towards the outlet and a counter current at the surface towards the inlet, while the neutrally buoyant jet excites a surface jet with two large eddies on each side of the jet. This implies that the short-circuiting will decrease when a negatively buoyant jet at low densimetric Froude number occurs in the tank. The difference between the flow pattern excited by a buoyant jet and a neutrally buoyant jet is small.
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