SCCN Solar Chimney Competence Network Strutural Division Germany

Transcription

1 Solar Chimney: Project Arabia SCCN - Solar Chimney Competence Network Structural Division Germany Prof. Dr.-Ing. Reinhard Harte Bergische Universität Wuppertal Pauluskirchstraße 7, D Wuppertal Prof. Dr.-Ing. Rüdiger Höffer Ruhr-Universität Bochum Universitätsstraße 150, D Bochum Prof. Dr.-Ing. Dr.-Ing. E.h. Wilfried B. Krätzig Krätzig & Partner Ingenieurgesellschaft für Bautechnik mbh Buscheyplatz 9 13, D Bochum Prof. Dr.-Ing. Hans-Jürgen Niemann Niemann & Partner Ingenieurgesellschaft Universitätsstraße 142, D Bochum SCCN 08/2-2

2 Experience SCCN - Solar Chimney Competence Network Experienced in shell theory and numerical analysis structural design and proof buckling of shells wind aerodynamics seismic excitation thermal effects for wind turbines cooling towers tanks chimneys bridges power plants stadium roofs SCCN 08/2-3

3 World Largest Cooling Tower Niederaussem: 200m Completed RWE Coal-fired Power-Plant in 2002 Source: RWE Energie Essen SCCN 08/2-4

4 Solar Chimney Project Arabia: Variants Variants for Solar Chimney Towers 1500m solar chimney acc. prefeasibility studies performed by Krätzig & Partner GmbH Bochum 1000m solar chimney 500m solar chimney 200m cooling tower Niederaussem SCCN 08/2-5

5 Central crane and climbing formwork Source: Heitkamp, Herne SCCN 08/2-14

6 Climbing formwork (1 to 2 m per day) Source: Krätzig & Partner, Bochum SCCN 08/2-15

7 Exhibition Centre, Bilbao, Spain Source: PERI, Ulm SCCN 08/2-16

8 Gust Wind Profile height over ground in m m Niederaußem 300m Eiffelturm 800m Burj Dubai 1500m Green Tower gust speed in m/s SCCN 08/2-25

9 Design wind profile and tower deflection max. deflection height over ground in m height over ground in m wind load in kn/m deflection SCCN 08/2-26

10 Boundary layer wind tunnel - Ruhr-Universität Bochum SCCN 08/2-27

11 Gust modeling in the wind tunnel SCCN 08/2-28

12 Lignite power station Neurath in boundary wind tunnel SCCN 08/2-29

13 From high natural draft cooling towers to solar chimneys SCCN 08/2-30

14 1000m tower for a 200MW SCPP SCCN 08/2-32

15 Maximum meridional compression and tension forces n 22w SCCN 08/2-34

16 Maximum shear forces n 12w for a particular tower design SCCN 08/2-35

17 Meridional (n 22w ) and in-plane shear (n 12w ) forces for 500m tower SCCN 08/2-36

18 Instability modes for 500m tower without stiffenings rings (G+W+S) SCCN 08/2-37

19 Instability modes for 500m tower with 4 stiffenings rings (G+W+S) SCCN 08/2-38

20 Instability modes of 1000m tower for G+W+S SCCN 08/2-39

21 Vibration modes of 1000m tower SCCN 08/2-40

22 Small solar tower of 500m of height SCCN 08/2-41

23 Solar Chimney Project Arabia: 500m variant SCCN 08/2-42

24 Solar Chimney Project Arabia: 1000m variant SCCN 08/2-43

25 Solar Chimney Project Arabia: Turbine house SCCN 08/2-44

26 Schematic solar chimney power plant Acc. Kroeger/Praetorius (Univ. Stellenbosch): Solar Chimney Power Plant Performance Sun Solar Chimney SC Collector Area CA Ground Turbine Generator coupled to the turbine PCU SCCN 08/2-45