Merge pull request #14747 from johodges/master

FDS Source: bug fix for Gaussian impinging jet model

Author: rmcdermo

Source/wall.f90

@@ -3625,7 +3625,7 @@ REAL(EB) FUNCTION HEAT_TRANSFER_COEFFICIENT(NM,T,DELTA_N_TMP,SF,WALL_INDEX_IN,CF
             NUSSELT_IMPINGE = 0._EB
             IF (SF%HEAT_TRANSFER_MODEL==IMPINGING_JET_HTC_MODEL) THEN
                XX = SQRT( (SF%XYZ(1)-BC%X)**2 + (SF%XYZ(2)-BC%Y)**2 + (SF%XYZ(3)-BC%Z)**2 )
-               NUSSELT_IMPINGE = HEAT_TRANSFER_COEFFICIENT*EXP(-0.5_EB * (XX / SF%HTC_SIGMA)**2) * CONV_LENGTH/K_G
+               NUSSELT_IMPINGE = SF%H_FIXED*EXP(-0.5_EB * (XX / SF%HTC_SIGMA)**2) * CONV_LENGTH/K_G
             ENDIF
             IF (PRESENT(PARTICLE_INDEX_IN)) THEN
                HEAT_TRANSFER_COEFFICIENT = MAX(NUSSELT_FORCED,NUSSELT_FREE)*K_G/CONV_LENGTH