1) The document describes a thermal analysis of a water-cooled primary mirror used in a synchrotron radiation beamline. Intense heat loads could distort the mirror's reflecting surface.
2) Finite element modeling in ANSYS was used to study how geometric parameters like cooling channel diameter, position, and coolant flow rate affect thermal deformation.
3) The analysis found that with 4mm diameter cooling channels positioned 4.5mm from the surface, thermal deformation of the mirror's reflecting surface could be maintained between 20-30 micrometers, ensuring reliable imaging performance.