Index: mttroot/mtt/lib/comp/compound/Thermal/CompressibleFlow/Poly/Poly_lbl.txt ================================================================== --- mttroot/mtt/lib/comp/compound/Thermal/CompressibleFlow/Poly/Poly_lbl.txt +++ mttroot/mtt/lib/comp/compound/Thermal/CompressibleFlow/Poly/Poly_lbl.txt @@ -1,19 +1,33 @@ %SUMMARY Poly - computes polytropic expansion temperature. %DESCRIPTION Parameter: alpha = (n-1)/n (n = polytropic index) -%DESCRIPTION Port [P1]: Pressure 1 -%DESCRIPTION Port [T1]: Temperature 1 -%DESCRIPTION Port [P2]: Pressure 2 -%DESCRIPTION Port [T2]: Temperature 2 + +%DESCRIPTION This four-port component computes the temperature following +%DESCRIPTION a polytropic expansion using where alpha = (n-1)/n and n is +%DESCRIPTION the coefficient of polytropic expansion. This component +%DESCRIPTION imposes zero flow at all its ports and therefore does not +%DESCRIPTION affect energy balance. The output is bicausal as it +%DESCRIPTION imposes both T_2 and a zero flow. This is implemented using +%DESCRIPTION the bicausal SS component labeled ``zero''. + +%ALIAS P1 Pressure_1 +%ALIAS P2 Pressure_2 +%ALIAS T1 Temperature_1 +%ALIAS T2|out Temperature_2 + +%ALIAS $1 alpha %% Label file for system Poly (Poly_lbl.txt) % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % %% Version control history % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % %% $Id$ % %% $Log$ +% %% Revision 1.1 1998/03/27 10:48:50 peterg +% %% Initial revision +% %% % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %% Each line should be of one of the following forms: % a comment (ie starting with %) % Component-name CR_name arg1,arg2,..argn @@ -20,10 +34,14 @@ % blank % Component type R - r Poly $1 + r Poly alpha % Component type SS - zero 0 0 + zero SS 0,0 + [Pressure_1] SS external,external + [Temperature_1] SS external,external + [Pressure_2] SS external,external + [Temperature_2] SS external,external