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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: Maryam Zare. Vali Kalantar. Contents. Introduction Experimental Manzanares power plant Methodology

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jordan international energy conference 2011 amman

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

contents
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
introduction
Introduction

Chimney

Water tube

Collector

Turbine

Energy supply of earth

Solar chimney power plant

methodology
Methodology

Dimensions of modeled power plant

3-D solar chimney power plant- five degree model

methodology1
Methodology

Comparison between present works and pastor’s

Source term (W⁄m2) in the ground instead of solar radiation

methodology2
Methodology

Reynolds average NavierStoks equation

Bousinesqapproximation

modelk-εrealize

methodology3
Methodology

boundary conditions

numerical CFD program

tetrahedral grids

hanging node adaption along with boundary daption, volume adaption and y+ adaption

geographical data of Yazd

results power plant with different dimensions
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)

results power plant in several months of a year
ResultsPower Plant in Several Months of a Year
  • five different months (first, forth, sixth, eighth and eleventh month)
  • unsteady simulation during a year
conclusion
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
slide18

Velocity vectors at iterance, middle and end of the collector

Velocity vectors at middle and end of the chimney