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Semelhante a SASBE conference 2009, Delft
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SASBE conference 2009, Delft
- 1. Expanding Exergy concept to Urban Water cycle Wouter Leduc, Claudia Agudelo, Adriaan Mels & Ronald Rovers Urban Environment Group – Wageningen University Polytechnic University Zuyd, Heerlen
- 10. Energy and Water cycles – global scale Oil/gas reserves Lake Geothermal energy Ground water Reflection Evaporation Infiltration Runoff Heat losses
- 11. Urban Energy and Water systems – local scale Input Output Transformation Supplier Emissions
- 12. Energy and Water qualities in Urban systems – local scale Use 1 Use 2 Use n Qs Q supplied ΔQr Qs = Quality surplus ΔQr = Un-used remaining quality ΔQr ΔQr Qs Q U A L I T Y High Low Supply Demand Source 1 Source 2 Conversion Emissions
- 13. Coupling supply and demand - local ΔQ High Water cascading in the urban area Heat cascading in the urban area Water system, quality Closed water loops in the urban area Multi-sourcing in the urban area Multi-sourcing in the urban area Energy system, temperature Residential areas Power Plant Industry Green houses Offices ΔT Low Solar energy High Residential areas Offices Green houses Industry Rain water Low
- 19. Thank You! Questions? Thursday 18 th , 9:00, SREX-workshop
Notas do Editor
- Energy and water critical flows: vital for human well being and for functioning of cities e.g., most efficient dutch power plant reaches only an efficiency-level of 55 %, 45 % wasted as heat; for water: 30 % of potable water used for toilet flushing
- Study un-used potentials, taking stock, conversion technologies, storage, demand & supply, recycle, re-use
- Can learn from each other and strengthen each other