path: root/UnitOperations.py

from OMChem.Flowsheet import Flowsheet
from OMChem.EngStm import EngStm
from PyQt5.QtCore import *
from PyQt5.QtWidgets import *
from PyQt5.QtGui import QTextDocument ,QTextCursor ,QTextCharFormat ,QFont ,QPixmap
from PyQt5.uic import loadUiType
from PyQt5.QtCore import Qt
from PyQt5.QtWidgets import QGraphicsProxyWidget, QGraphicsObject, QGraphicsEllipseItem ,QGraphicsPixmapItem,QApplication, QGraphicsView, QGraphicsScene, QHBoxLayout, QWidget, QLabel
from PyQt5.QtGui import QBrush ,QTransform ,QMouseEvent
from PyQt5.QtGui import *
import PyQt5.QtCore as QtCore
import PyQt5.QtWidgets as QtWidgets
from ComponentSelector import *
from Container import *

class UnitOperation():
    counter = 1
    def __init__(self):
        self.OM_data_eqn = ''
        self.OM_data_init = ''
        self.input_stms = []
        self.output_stms = []
        self.compounds = compound_selected
        self.name = ''
        self.mode = None
        self.mode_val = None
        self.type = ''
        self.no_of_inputs = 1
        self.no_of_outputs = 1
        self.x = 2500-30 
        self.y = 2500-30
        self.pos = QPointF(self.x, self.y)
        self.count = UnitOperation.counter
        self.variables = {}
        self.modes_list = []
        self.parameters = []
        self.extra = []
        self.for_naming = []
        self.multidict = []
        self.thermo_pack_req = False
        self.thermo_package = 'RaoultsLaw'

    def param_getter(self,mode=None):
        params = {}
        if mode == None and self.modes_list:
            self.mode = self.modes_list[0]
        else:
            self.mode = mode
            params[self.mode] = None
        for i in self.parameters:
            params[i] = self.variables[i]['value']
        
        return params
        
    def param_setter(self,params):
        print("param_setter ", params)
        for k,v in params.items():
            if k != self.mode:
                self.k = v
                self.variables[k]['value'] = v
            else:
                self.variables[k]['value'] = v
                self.mode_val = params[self.mode]
        print(self.variables)

    def add_connection(self,flag,UnitOpr):
        if flag==1:                 # Input stream if flag is 1
            self.input_stms.append(UnitOpr)
        else :
            self.output_stms.append(UnitOpr)

    def set_pos(self,pos):
        self.pos = pos

    def OM_Flowsheet_Initialize(self):
        self.OM_data_init = ''

        if(self.thermo_pack_req):
            if len(self.extra)>1:
                for i in range(len(self.extra)):
                    latest = ''
                    for j in range(self.extra[i]):
                        if self.extra[i][j]!='.':
                            latest += self.extra[i][j]
                        self.for_naming[i] = latest   

        if(self.thermo_pack_req):
            if len(self.extra)==1:
                for i in self.extra:
                    self.OM_data_init += ('model '+i+str(self.counter)+'\n')
                    self.OM_data_init += ('extends Simulator.UnitOperations.'+i+';\n')
                    self.OM_data_init += ('extends Simulator.Files.ThermodynamicPackages.'+self.thermo_package+';\n')
                    self.OM_data_init += ('end '+i+str(self.counter)+';\n')

                    self.OM_data_init += i+str(self.counter) + ' ' + self.name + '(Nc = ' + str(len(self.compounds)) 
            else:
                for i in range(len(self.extra)):
                    if i!=(len(self.extra)-1):
                        self.OM_data_init += ('model '+self.for_naming[i]+str(self.counter)+'\n')
                        self.OM_data_init += ('extends Simulator.UnitOperations.'+self.extra[i]+';\n')
                        self.OM_data_init += ('extends Simulator.Files.ThermodynamicPackages.'+self.thermo_package+';\n')
                        self.OM_data_init += ('end '+self.for_naming[i]+str(self.counter)+';\n')
                    else:
                        self.OM_data_init += ('model '+self.for_naming[i]+str(self.counter)+'\n')
                        self.OM_data_init += ('extends Simulator.UnitOperations.'+self.extra[i]+';\n')
                        for j in range(len(self.extra)-1):
                            self.OM_data_init += (self.for_naming[j] + str(self.counter) +' ' + self.for_naming[j] + '#' + self.multidict[j] + ';\n')

                            self.OM_data_init += ('end '+self.for_naming[i]+str(self.counter)+';\n')

                    self.OM_data_init += self.for_naming[i] + str(self.counter) + ' ' + self.for_naming + '(Nc = ' + str(len(self.compounds))
                 
            C = str(self.compounds).strip('[').strip(']')
            C = C.replace("'", "")  
            self.OM_data_init += ',C = {' + C + '}'  

            # if len(self.parameters) > 0:
            #     for k,v in self.parameters.items():
            #         self.OM_data_init += ', '
            #         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('"', ''))

            self.OM_data_init += ');\n'

        else: 
            self.OM_data_init += 'Simulator.UnitOperations.' + self.type + ' ' + self.name + '(Nc = ' + str(len(self.compounds))
            C = str(self.compounds).strip('[').strip(']')
            C = C.replace("'", "")  
            self.OM_data_init += ',C = {' + C + '}'

            for k in self.parameters:
                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('"', ''))

            self.OM_data_init += ');\n'
        return self.OM_data_init  

    
    def OM_Flowsheet_Equation(self):
        self.OM_data_eqn = ''

        if len(self.input_stms)>1:
            strcount = 1
            for strm in self.input_stms:
                self.OM_data_eqn += ('connect(' + strm.name + '.Out,' + self.name + '.In[' + str(strcount) + ']);\n')
                strcount += 1
        else:
            self.OM_data_eqn += ('connect(' + self.name + '.In,' + self.input_stms[0].name + '.Out);\n')

        if len(self.output_stms)>1:
            strcount = 1
            for strm in self.output_stms:
                self.OM_data_eqn += ('connect(' + strm.name + '.In,' + self.name + '.Out[' + str(strcount) + ']);\n')
                strcount += 1
        else:
            self.OM_data_eqn += ('connect(' + self.name + '.Out,' + self.output_stms[0].name + '.In);\n')    
        
        if self.mode:
            self.OM_data_eqn += (self.name + '.' + self.mode + '=' + self.mode_val + ';\n')    

        return self.OM_data_eqn

class ShortcutColumn(UnitOperation):
    def __init__(self, CompNames = [], name='ShortcutColumn'):
        UnitOperation.__init__(self)
        self.name = name + str(ShortcutColumn.counter) 
        self.type = 'ShortcutColumn'
        self.no_of_inputs = 1 
        self.no_of_outputs = 2  
        self.EngStm1 = EngStm(name='EngStm1'+self.name)
        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 = {
            'HKey'  :           {'name':'Heavy Key',                    'value':None,           'unit':''},
            'LKey'  :           {'name':'Light Key',                    'value':None,           'unit':''},
            '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':''},
            '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'] = 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]
        self.variables['Pcond']['value'] = params[5]
        self.variables['Preb']['value'] = params[6]
        self.variables['RR']['value'] = params[7]

        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'):
        UnitOperation.__init__(self)
        self.name = name + str(DistillationColumn.counter) 
        self.type = 'DistillationColumn'
        self.no_of_inputs = 1 
        self.no_of_outputs = 2

        self.compounds = compound_selected

        self.EngStm1 = EngStm(name='EngStm1'+self.name)
        self.EngStm2 = EngStm(name='EngStm2'+self.name)
        self.count = DistillationColumn.counter

        # self.modes_list = ['RR', 'Nout', 'T']
        self.modes_list = []
        self.parameters = ['Nt', 'Ni', 'InT_s', 'Ctype']
        #self.parameters = ['Nt', 'InT_s', 'In_s', 'thermo_package', 'Ctype', 'Pcond', 'Preb']
        self.Cspec_list = ['Reflux Ratio','Product Molar Flow   (mol/s)', 'Temperature  (K)', 'Compound Molar Fraction',    'Compound Molar Flow    (mol/s)']
        self.Rspec_list = ['Product Molar Flow   (mol/s)', 'Temperature  (K)', 'Compound Molar Fraction',    'Compound Molar Flow    (mol/s)']

        type(self).counter += 1  
        self.variables = {
            'Ni'   :            {'name':'Number of Input',          'value':2,              'unit':''},
            'RR'    :           {'name':'Reflux Ratio',             'value':None,           'unit':''},
            'T'     :           {'name':'Temperature',              'value':300,            'unit':'K'},
            'Nout'  :           {'name':'No of Sidedraws',          'value':None,           'unit':''},
            'Nt'    :           {'name':'No of Stages',             'value':12,             'unit':''},
            'InT_s' :           {'name':'Feed Stage',              'value':[],           'unit':''},
            'thermo_package' :   {'name':'Thermo Package',           'value':'Raoults_Law',  'unit':''},
            'Ctype' :           {'name':'Condensor Type',           'value':'',             'unit':''},
            'Pcond' :           {'name':'Condensor Pressure',       'value':101325,         'unit':'Pa'},
            'Preb'  :           {'name':'Reboiler Pressure',        'value':101325,         'unit':'Pa'},
            'C_Spec':           {'name':'Condensor Specification',  'type':'Reflux Ratio',  'value':'',         'comp':'',      'unit':''},
            'R_Spec':           {'name':'Reboiler Specification',   'type':'',              'value':'',         'comp':'',      'unit':''},
        }
       
    def param_setter(self,params):
        print("param_setter ", params)
        temp = 0
        self.variables['Nt']['value'] = params[0]
        for i in range(self.variables['Ni']['value']):
            self.variables['InT_s']['value'].append(params[i+1])
            temp = i + 1
        
        self.variables['Ctype']['value'] = params[temp+1]
        self.variables['Pcond']['value'] = params[temp+2]
        self.variables['C_Spec']['type'] = params[temp+3]
        if 'Compound' in self.variables['C_Spec']['type']:
            self.variables['C_Spec']['comp'] = params[temp+4]
        self.variables['C_Spec']['value'] = params[temp+5]
        self.variables['Preb']['value'] = params[temp+6]
        self.variables['R_Spec']['type'] = params[temp+7]
        if 'Compound' in self.variables['R_Spec']['type']:
            self.variables['R_Spec']['comp'] = params[temp+8]
        self.variables['R_Spec']['value'] = params[temp+9]   
        print(self.variables)
        
class ConvertionReactor(UnitOperation):
    def __init__(self,name='',Nr=None,b=None,X=None,Z=None,a=[],operation=None,Tdef=None):
        UnitOperation.__init__(self)
        self.name = name
        self.type = 'ConvertionReactor'

        self.Nr = str(Nr)
        self.b = str(b)
        self.X = str(X)
        self.Z = str(Z)
        self.a = json.dumps(a).replace('[','{').replace(']','}')
        self.operation = str(operation)   
        self.Tdef = str(Tdef)
           
class CompoundSeparator(UnitOperation):
    def __init__(self, name='CompoundSeparator'): 
        UnitOperation.__init__(self)
        self.name = name + str(CompoundSeparator.counter) 
        self.type = 'CompoundSeparator'
        self.no_of_inputs = 1 
        self.no_of_outputs = 2 

        self.SepFact_modes = ['Molar_Flow   (mol/s)', 'Mass_Flow    (kg/s)', 'Inlet_Molar_Flow_Percent', 'Outlet_Molar_Flow_Percent']

        type(self).counter += 1  
        self.variables = {
            'SepStrm'   : {'name':'Separation Stream',      'value':1,              'unit':''}, 
            'SepVal_c'    : {'name':'Separation Value',       'value':[],             'unit':''},
            'SepFact_c'   : {'name':'Separaction Factor',     'value':[],             'unit':''},
        }

    def param_setter(self,params):
        print("param_setter CompSep ", params)
      
        if (params[0]):
            self.variables['SepStrm']['value'] = 1
        else:
            self.variables['SepStrm']['value'] = 2

        for index, i in enumerate(range(2, len(params))):
            if (i %2 != 0):
                self.variables['SepVal_c']['value'].append(float(params[i]))   
            else:
                self.variables['SepFact_c']['value'].append(params[i].split(' ')[0])    
        
        self.variables['SepFact_c']['value'] = json.dumps(self.variables['SepFact_c']['value']).replace('[','{').replace(']','}')
        self.variables['SepStrm']['value'] = str(self.variables['SepStrm']['value'])
        self.variables['SepVal_c']['value'] = json.dumps(self.variables['SepVal_c']['value']).replace('[','{').replace(']','}')


    def OM_Flowsheet_Initialize(self):
        self.OM_data_init = ''
        comp_count = len(self.compounds)
        self.OM_data_init = self.OM_data_init + (
        "Simulator.UnitOperations.CompoundSeparator " + self.name + "(Nc = " + str(comp_count))
        self.OM_data_init = self.OM_data_init + (", C = {")
        comp = str(self.compounds).strip('[').strip(']')
        comp = comp.replace("'", "")
        self.OM_data_init = self.OM_data_init + comp + ("},")
        self.OM_data_init = self.OM_data_init + ("SepFact_c = "+self.variables['SepFact_c']['value']+",SepStrm = " + self.variables['SepStrm']['value']  + ");\n") #+ ", sepFactVal = " + self.variables['SepVal_c']['value']

        return self.OM_data_init


    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 + '.SepVal_c ' + '=' + self.variables['SepVal_c']['value'] + ';\n')    

        return self.OM_data_eqn


class Flash(UnitOperation):
    def __init__(self,name='Flash'):
        UnitOperation.__init__(self)
        self.name = name + str(Flash.counter) 
        self.type = 'Flash'
        self.extra = ['Flash']
        self.for_naming = ['Flash']
        self.no_of_inputs = 1 
        self.no_of_outputs = 2  
        self.input_stms = []
        self.output_stms = []
        self.count = Flash.counter
        self.thermo_pack_req = True
        self.parameters = ['BTdef', 'Tdef', 'BPdef', 'Pdef']

        type(self).counter += 1 
        self.variables = {
            'thermo_package' :   {'name':'Thermo Package',                   'value':None,       'unit':''},
            'BTdef' :           {'name':'Separation Temperature Boolean',   'value':False,      'unit':''},
            'BPdef' :           {'name':'Separation Pressure Boolean',      'value':False,      'unit':''},
            'Tdef'  :           {'name':'Separation Temperature',           'value':298.15,     'unit':'K'},
            'Pdef'  :           {'name':'Separation Pressure',              'value':101325,     'unit':'Pa'}
        }
    def param_setter(self,params):
        print("param_setter ", params)
        self.variables['thermo_package']['value'] = params[0]
        self.variables['BTdef']['value'] = params[1]
        self.variables['Tdef']['value'] = params[2]
        self.variables['BPdef']['value'] = params[3]
        self.variables['Pdef']['value'] = params[4]        
        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

        return self.OM_data_eqn

class Pump(UnitOperation):
    def __init__(self,name='Pump'):
        UnitOperation.__init__(self)
        self.name = name + str(Pump.counter) 
        self.type = 'Pump'
        self.input_stms = None
        self.output_stms = None
        self.modes_list = ['Pdel', 'Pout', 'Q']     #"enFlo"
        self.parameters = ['Eff']

        type(self).counter += 1 
        self.variables = {
            'Eff'   : {'name':'Efficiency',         'value':1,      'unit':''},
            'Pdel'  : {'name':'Pressure Increase',  'value':None,   'unit':'Pa'},
            'Pout'  : {'name':'Outlet Pressure',    'value':None,   'unit':'Pa'},
            'Q'     : {'name':'Power Required',     'value':None,   'unit':'W'},
        }

class Valve(UnitOperation):
    def __init__(self,name='Valve'):
        UnitOperation.__init__(self)
        self.name = name + str(Valve.counter)
        self.type = 'Valve'
        self.modes_list = ['Pdel', 'Pout']

        type(self).counter += 1 
        self.variables = {
            'Pdel'  : {'name':'Pressure Drop',      'value':None,   'unit':'Pa'},
            'Pout'  : {'name':'Outlet Pressure',    'value':None,   'unit':'Pa'}
        }

class Splitter(UnitOperation):
    def __init__(self,name='Splitter'):
        UnitOperation.__init__(self)
        self.name = name + str(Splitter.counter) 
        self.type = 'Splitter'
        self.no_of_outputs = 3 
        
        # self.input_stms = None
        self.CalcType_modes = ['Split_Ratio', 'Molar_Flow', 'Mass_Flow']

        self.parameters = ['No', 'CalcType', 'SpecVal_s']
        type(self).counter += 1 

        self.variables = {
            'No'       : {'name':'No. of Output',          'value':3,                          'unit':''},
            'CalcType'  : {'name':'Calculation Type',       'value':self.CalcType_modes[0],     'unit':''},
            'SpecVal_s' : {'name':'Specification Value',    'value':[50,50],                    'unit':''}
        }
        
        specval = self.variables['SpecVal_s']['value'] # [50,50]
        self.specval = json.dumps(specval).replace('[','{').replace(']','}')

    def param_setter(self,params):
        print("param_setter ", params)
        self.variables['No']['value'] = int(params[0])
        self.variables['CalcType']['value'] = params[1]
        self.variables['SpecVal_s']['value'] = [float(params[2]), float(params[3])]
        if self.variables['CalcType']['value'] == 'Molar_Flow':
            self.variables['SpecVal_s']['unit'] = 'mol/s'
        elif self.variables['CalcType']['value'] == 'Mass_Flow':
            self.variables['SpecVal_s']['unit'] = 'g/s'
        print(self.variables)

class Mixer(UnitOperation):

    def __init__(self,name='Mixer'):
        UnitOperation.__init__(self)
        self.name = name + str(Mixer.counter) 
        self.type = 'Mixer'
        self.no_of_inputs = 6

        self.Pout_modes = ['Inlet Minimum', 'Inlet Average', 'Inlet Maximum']
        self.parameters = ['NI', 'outPress']
        # self.output_stms = None
        type(self).counter += 1 

        self.variables = {
            'NI'   : {'name':'Number of Input', 'value':6,                 'unit':''},
            'outPress'  : {'name':'Outlet Pressure', 'value':'Inlet_Average',   'unit':''},
        }
    def param_setter(self, params):
        self.output_stms = []
        print("param_setter ", params)
        self.variables['NI']['value'] = int(params[0])
        self.variables['outPress']['value'] = params[1]
        print(self.variables)
        

class Heater(UnitOperation):

    def __init__(self, name='Heater'):
        UnitOperation.__init__(self)
        self.name = name + str(type(self).counter)
        self.type = 'Heater'
        self.no_of_inputs = 1
        self.no_of_outputs = 1
        self.modes_list = ['Q','Tout','xvapout','Tdel']
        self.parameters = ['Pdel', 'Eff'] 
        self.extra = None
        self.for_naming = None
        type(self).counter += 1

        self.variables = {
            'Pdel'  : {'name':'Pressure Drop',          'value':0,       'unit':'Pa'},
            'Eff'   : {'name':'Efficiency',             'value':1,       'unit':''},
            'Tout'  : {'name':'Outlet Temperature',     'value':298.15,  'unit':'K'},
            'Tdel'  : {'name':'Temperature Increase',   'value':0,       'unit':'K'},
            'Q'     : {'name':'Heat Added',             'value':0,       'unit':'W'},
            'xvapout':  {'name':'Outlet Vapour',        'value':None,    'unit':''}
        }

class Cooler(UnitOperation):

    def __init__(self, name='Cooler'):
        UnitOperation.__init__(self)
        self.name = name + str(type(self).counter)
        self.type = 'Cooler'
        self.no_of_inputs = 1
        self.no_of_outputs = 1
        self.modes_list = ['Q','Tout','Tdel','xvap']
        self.extra = None
        self.for_naming = None
        self.parameters = ['Pdel', 'Eff']
        type(self).counter += 1

        self.variables = {
            'Pdel'  : {'name':'Pressure Drop',              'value':0,          'unit':'Pa'},
            'Eff'   : {'name':'Efficiency',                 'value':1,          'unit':''},
            'Tout'  : {'name':'Outlet Temperature',         'value':298.15,     'unit':'K'},
            'Tdel'  : {'name':'Temperature Increase',       'value':0,          'unit':'K'},
            'Q'     : {'name':'Heat Added',                 'value':0,          'unit':'W'},
            'xvap'  : {'name':'Vapour Phase Mole Fraction', 'value':None,       'unit':'g/s'},
        }

class AdiabaticCompressor(UnitOperation):

    def __init__(self, name='AdiabaticCompressor'):
        UnitOperation.__init__(self)
        self.name = name + str(type(self).counter)
        self.type = 'AdiabaticCompressor'
        self.no_of_inputs = 1
        self.no_of_outputs = 1
        self.modes_list = ["Pdel","Pout","Q"]
        self.extra = ['AdiabaticCompressor']
        self.for_naming = ['AdiabaticCompressor']
        self.thermo_pack_req = True
        self.thermo_package ="RaoultsLaw" 
        self.parameters = ['Eff']
        type(self).counter += 1
        self.variables = {
            'Pdel'  : {'name':'Pressure Drop',          'value':0,       'unit':'Pa'},
            'Tdel'  : {'name':'Temperature Increase',   'value':0,       'unit':'K'},
            'Pout'  : {'name':'Outlet Pressure',        'value':101325,  'unit':'Pa'},
            'Tout'  : {'name':'Outlet Temperature',     'value':298.15,  'unit':'K'},
            'Q'     : {'name':'Heat Added',             'value':0,       'unit':'W'},
            'Eff'   : {'name':'Efficiency',             'value':1,       'unit':''}
        }

class AdiabaticExpander(UnitOperation):

    def __init__(self, name='AdiabaticExpander'):
        UnitOperation.__init__(self)
        self.name = name + str(type(self).counter)
        self.type = 'AdiabaticExpander'
        self.no_of_inputs = 1
        self.no_of_outputs = 1
        self.modes_list = ["Pdel","Pout","Q"]
        self.extra = ['AdiabaticExpander']
        self.for_naming = ['AdiabaticExpander']
        self.thermo_pack_req = True
        self.thermo_package ="RaoultsLaw"
        self.parameters = ['Eff']
        type(self).counter += 1
        self.variables = {
            'Pdel'  : {'name':'Pressure Drop',          'value':0,       'unit':'Pa'},
            'Tdel'  : {'name':'Temperature Increase',   'value':0,       'unit':'K'},
            'Pout'  : {'name':'Outlet Pressure',        'value':101325,  'unit':'Pa'},
            'Tout'  : {'name':'Outlet Temperature',     'value':298.15,  'unit':'K'},
            'Q'     : {'name':'Heat Added',             'value':0,       'unit':'W'},
            'Eff'   : {'name':'Efficiency',             'value':1,       'unit':''}
        }