Jordan International Energy Conference 2011 – Amman

1. IN THE NAME OF GOD Jordan International Energy Conference 2011 – Amman Simulation of flow and heat transfer in 3D solar chimney power plants-numerical analysis By:MaryamZare ValiKalantar

2. Contents • Introduction • Experimental Manzanares power plant • Methodology Prototype and dimensions of modeled power plant Comparison with pervious work Equations Grid and boundary conditions • Results Power Plant with Different Dimensions Power Plant in Several Months of a Year • Conclusion and Future Interests

3. Introduction Chimney Water tube Collector Turbine Energy supply of earth Solar chimney power plant

4. Manzanares power plant

5. Methodology Dimensions of modeled power plant 3-D solar chimney power plant- five degree model

6. Methodology Comparison between present works and pastor’s Source term (W⁄m2) in the ground instead of solar radiation

7. Methodology Reynolds average NavierStoks equation Bousinesqapproximation modelk-εrealize

8. Methodology boundary conditions numerical CFD program tetrahedral grids hanging node adaption along with boundary daption, volume adaption and y+ adaption geographical data of Yazd

9. ResultsPower Plant with Different Dimensions High chimney: chimney height=400(m) Big collector: collector radius=240(m) Short chimney: chimney height=100(m) Small collector: collector radius=60(m)

10. ResultsPower Plant with Different Dimensions P=η ΔPtt V

11. ResultsPower Plant in Several Months of a Year • five different months (first, forth, sixth, eighth and eleventh month) • unsteady simulation during a year

12. ResultsPower Plant in Several Months of a Year

13. Conclusion insolation on collector equal to 996 (w/m2) • Future Interests • time-dependent calculations • improve physical models for the turbine • larger dimensions or full 360 degree model • other parameters

14. THANKS A LOT FOR YOUR ATTENTION

15. ResultsPower Plant with Different Dimensions

16. ResultsPower Plant in Several Months of a Year

17. ResultsPower Plant in Several Months of a Year

18. Velocity vectors at iterance, middle and end of the collector Velocity vectors at middle and end of the chimney

19. Measured data from manzanares prototype