Thermodynamic Analysis And Numerical Simulation Of A 100MW Solar Chimney Power Plant

Energy is an important basic resource for the development of human society, and it is the main resource of power which is used modern production. People are made to search for renewable energy urgently, fighting against the sustained growing international oil price and increasingly prominent environmental pollution. Solar energy is renewable energy, while solar chimney technology is a new power generation technology utilizing solar energy, chimney effect and turbine technology. There are mainly three advantages in solar chimney technology: clean, low cost and simple geometric construction.This paper has completed a thermodynamic analysis of 100MW solar chimney power plant which is going to be built in the near future. A mathematical model and geometry model have been done. Grid partition and boundary condition also have been done in turn. Numerical simulation with SIMPLE algorithm showed the temperature field, flow field and pressure field in the collector and chimney of the solar chimney at different solar radiation, while the power output efficiency, air mass flow rate , driving force and turbine output have been obtained.Thesis results all above obtained indicate that average inlet velocity and average outlet velocity of the solar chimney, air mass flow rate, driving force, turbine output, and power output efficiency grow with the solar radiation. This conclusion helps to conduct the design and building of high efficiency solar chimney power plant.An experiment of the small scale of solar chimney power plant also has been completed, which supports the idea of generating power by a large scale of solar chimney power plant.