ORA Roughness Length Expected: Difference between revisions

From Wiki-WindPRO
Jump to navigation Jump to search
No edit summary
No edit summary
Line 11: Line 11:
But the calculation engine below is expecting roughness lengths as input.
But the calculation engine below is expecting roughness lengths as input.


So to property use the ORA tool, the user needs to convert all roughness class values in the input window into roughness lengths.
So to properly use the ORA tool, the user had to convert all roughness class values in the input window into roughness lengths.


In Service Pack I, you can now switch between using roughness lengths or classes
In Service Pack I, you can now switch between using roughness lengths or classes

Revision as of 09:16, 18 June 2018


Status: Open - will be fixed in windPRO 3.2 Service Pack 1

Fixed in build: 672

In the ORA setup window, the roughness values for the different forests should be entered as classed, and the default is set to roughness classes.

But the calculation engine below is expecting roughness lengths as input.

So to properly use the ORA tool, the user had to convert all roughness class values in the input window into roughness lengths.

In Service Pack I, you can now switch between using roughness lengths or classes