Compressible Flow Subroutine Library
Programming Reference Manual
Version 1.0 DD-00008-010E

3.9.4 arfqisd - DeLaval isentropic flow relations given ρ/ρ1
void arfqisd(double g, double d, double result[5], int *ierr);

Compute the DeLaval nozzle isentropic relations given the density ratio p/p1   .

Performance
Fixed

Arguments

G - REAL

ENTRY: Specific heat constant γ .

D - REAL

ENTRY: Density ratio 0< ρ/ρ <1
      1  .

RESULT - ARRAY OF REAL

EXIT: Array with result properties as described in  7.

IERR - INTEGER

EXIT: (optional) Return status code.

Status codes

-1

Specific heat ratio γ≤ 1  .

-2

Computed M out of range.

-3

Given ρ/ρ1   out of range.