diff options
Diffstat (limited to 'UnitOperations.py')
| -rw-r--r-- | UnitOperations.py | 40 |
1 files changed, 37 insertions, 3 deletions
diff --git a/UnitOperations.py b/UnitOperations.py index 7105606..54f9334 100644 --- a/UnitOperations.py +++ b/UnitOperations.py @@ -123,6 +123,8 @@ class UnitOperation(): # self.OM_data_init += k + ' = ' + str(v) for k in self.parameters: + if(k == 'HKey_x_pc' or k == 'LKey_x_pc'): + continue self.OM_data_init += ', ' self.OM_data_init += k + ' = ' + (json.dumps(self.variables[k]['value']) if json.dumps(self.variables[k]['value']).replace('"', '').replace('_', '').isalpha() else json.dumps(self.variables[k]['value']).replace('[', '{').replace(']', '}').replace('"', '')) @@ -181,7 +183,12 @@ class ShortcutColumn(UnitOperation): self.EngStm2 = EngStm(name='EngStm2'+self.name) self.count = ShortcutColumn.counter + self.extra = ['ShortcutColumn'] + self.for_naming = ['ShortcutColumn'] + self.thermo_pack_req = True + self.parameters = ['HKey', 'LKey', 'HKey_x_pc', 'LKey_x_pc', 'Ctype', 'Pcond', 'Preb', 'RR'] + self.result_parameters = ['RRmin', 'Ntmin', 'Nt', 'Intray', 'Fliqstrip', 'Fliqrec', 'Fvapstrip', 'Fvaprec', 'Qc', 'Qr'] type(self).counter += 1 self.variables = { @@ -190,16 +197,28 @@ class ShortcutColumn(UnitOperation): 'HKey_x_pc' : {'name':'Heavy Key Mole Fraction', 'value':0.01, 'unit':'mol/s'}, 'LKey_x_pc' : {'name':'Light Key Mole Fraction', 'value':0.01, 'unit':'mol/s'}, 'Ctype' : {'name':'Condensor Type', 'value':None, 'unit':''}, - 'thermo_package' : {'name':'Thermo Package', 'value':'Raoults_Law', 'unit':''}, + 'thermo_package' : {'name':'Thermo Package', 'value':'Raoults_Law', 'unit':''}, 'Pcond' : {'name':'Condensor Pressure', 'value':101325, 'unit':'Pa'}, 'Preb' : {'name':'Reboiler Pressure', 'value':101325, 'unit':'Pa'}, 'RR' : {'name':'Reflux Ratio', 'value':1.5, 'unit':''}, + + 'RRmin' : {'name':'Minimum Reflux Ratio', 'value': None , 'unit':''}, + 'Ntmin' : {'name':'Minimum Number of Stages', 'value': None, 'unit':''}, + 'Nt' : {'name':'Actual Number of Stages', 'value': None, 'unit':''}, + 'Intray' : {'name':'Optimal Feed Stage', 'value': None, 'unit':''}, + 'Fliqstrip' : {'name':'Stripping Liquid', 'value': None, 'unit':'mol/s'}, + 'Fliqrec' : {'name':'Rectification Liquid', 'value': None, 'unit':'mol/s'}, + 'Fvapstrip' : {'name':'Stripping Vapor', 'value': None, 'unit':'mol/s'}, + 'Fvaprec' : {'name':'Recification Vapour', 'value': None, 'unit':'mol/s'}, + 'Qc' : {'name':'Conderser Duty', 'value': None, 'unit':'W'}, + 'Qr' : {'name':'Reboiler Duty', 'value': None, 'unit':'W'}, + } def param_setter(self,params): print("param_setter ", params) - self.variables['HKey']['value'] = params[0] - self.variables['LKey']['value'] = params[1] + self.variables['HKey']['value'] = self.compounds.index(params[0]) + 1 + self.variables['LKey']['value'] = self.compounds.index(params[1]) + 1 self.variables['HKey_x_pc']['value'] = params[2] self.variables['LKey_x_pc']['value'] = params[3] self.variables['Ctype']['value'] = params[4] @@ -209,6 +228,21 @@ class ShortcutColumn(UnitOperation): print(self.variables) + def OM_Flowsheet_Equation(self): + self.OM_data_eqn = '' + + self.OM_data_eqn += ('connect(' + self.name + '.In,' + self.input_stms[0].name + '.Out);\n') + + strcount = 1 + for strm in self.output_stms: + self.OM_data_eqn += ('connect(' + strm.name + '.In,' + self.name + '.Out' + str(strcount) + ');\n') + strcount += 1 + + self.OM_data_eqn += (self.name + '.x_pc[2, ' + self.name + '.HKey] = ' + str(self.variables['HKey_x_pc']['value']) + ';\n') + self.OM_data_eqn += (self.name + '.x_pc[3, ' + self.name + '.LKey] = ' + str(self.variables['LKey_x_pc']['value']) + ';\n') + + return self.OM_data_eqn + class DistillationColumn(UnitOperation): def __init__(self,name='DistillationColumn'): |