.BuildSysPro.IBPSA.BoundaryConditions.SolarGeometry.ZenithAngle

Information

This component computes the zenith angle, which is the angle between the earth surface normal and the sun beam. For a definition of the parameters, see the User's Guide IBPSA.BoundaryConditions.UsersGuide.

Revisions

• September 6, 2021, by Ettore Zanetti:
  Changed lat from being a parameter to an input from weather bus.
  This is for IBPSA, #1477.
• February 25, 2012, by Michael Wetter:
  Changed model to get declination angle and solar hour angle from weather bus.
• May 17, 2010, by Wangda Zuo:
  First implementation.