[Saeef]

Hi,

I'm trying to use the Design 3D for a R134a compressor optimization.

However, I found the D3D can not generate the DBA when compressor efficency is selected! The error is caused by the Cfview Macro python.

project_file = ''
data_filename = ''
solution_file = '3D'
quantity_name = 'C_ISEN_EFF_TOT2TOT'
entry_type = 'REAL_ENTRY'
from f3d_macro import *
GAMMA=search_GAMMA(project_file)
Pt1 =search_PT_inlet (project_file)
Pt2 =search_PT_outlet(project_file)
Tt1 =search_TT_inlet (project_file)
Tt2 =search_TT_outlet(project_file)
Efficiency =((Pt2/Pt1)**((GAMMA-1)/GAMMA)-1) / ((Tt2/Tt1)-1)
f = open (data_filename, 'w', 0)
f.write ('PARAMETER\n')
s = 'NAME %s\n' %(quantity_name)
f.write (s)
s = 'TYPE %s\n' %(entry_type)
f.write (s)
s = 'VALUE %12.6f\n' %(Efficiency)
f.write (s)
f.close ()
FileCloseProject()
Quit ()

Obviously, such an efficiency definition is only suitable for ideal gases.

How define a new Macro_py to use the efficiency in .mf file as output.