 
 
 
 
 
 
 
  
An exit element is used to model the exit from a gas pipe into a large
chamber. For an exit the value of  is 1. It is described by the following constants (to be specified in that order on
the line beneath the *FLUID SECTION, TYPE=RESTRICTOR
EXIT card):
 is 1. It is described by the following constants (to be specified in that order on
the line beneath the *FLUID SECTION, TYPE=RESTRICTOR
EXIT card):
 .
.
 defined by
 defined by  where
 where  is the
  perimeter of the cross section.
 is the
  perimeter of the cross section. 
By specifying the parameter LIQUID on the *FLUID SECTION card the loss is calculated for liquids. In the absence of this parameter, compressible losses are calculated.