IPH Linear Fresnel Direct Steam# IPH Linear Fresnel Direct Steam Location and Resource Download Weather Files Choose Weather File Weather Data Information System Design Design Point Parameters Solar Field Heat Sink System Availability Solar Field System Design Point Parameters Solar Field Design Point Solar Field Parameters Steam Design Conditions Mirror Washing Plant Heat Capacity Land Area Collector and Receiver Collector Geometry and Optical Performance Optical characterization method Solar Position/Collector Incidence Angle Table Incidence Angle Modifier Coefficients Receiver Geometry and Heat Loss Polynomial fit heat loss model Aggregate Weighted Losses