![soltrace tuto soltrace tuto](https://i.ytimg.com/vi/thOKtifF8oc/hq720.jpg)
Comparison of the flux density distributions between this method and SolTrace show excellent agreement especially when the optical error is equivalent to or larger than the Gaussian function parameter of heliostat image which fits to most of heliostats in a solar tower system. The simulation results are compared with SolTrace analysis and experimental data. The flux density distribution of various round or rectangular focusing heliostats at the receiver plane can be calculated through projection. In this paper, the Gaussian flux density function at the image plane is deduced after simulating the image function of the heliostat with Gaussian distribution function. Applicable to the round and rectangular focusing heliostats.AbstractIt is important to calculate solar flux distribution with a precise and simple method for the design and optimization of solar tower systems.Elliptical Gaussian function for flux density of heliostat.Simulating the image of heliostat with Gaussian distribution.A new flux density function for heliostat from deduction of convolution method.Development of a new flux density function for a focusing heliostat