RCAIDE.Library.Attributes.Propellants.Ethane

Ethane#

class Ethane(*args, **kwarg)[source]#

Bases: Propellant

A class representing ethane (C2H6) fuel properties for propulsion applications.

tag#

Identifier for the propellant (‘Ethane’)

Type:

str

reactant#

Oxidizer used for combustion (‘O2’)

Type:

str

density#

Fuel density in kg/m³ (545.6)

Type:

float

specific_energy#

Specific energy content in J/kg (5.19e7)

Type:

float

energy_density#

Energy density in J/m³ (2.83e10)

Type:

float

lower_heating_value#

Lower heating value in J/kg (4.75e7)

Type:

float

use_high_fidelity_kinetics_model#

Flag for using detailed chemical kinetics (False)

Type:

bool

fuel_surrogate_chemical_properties#

Simplified chemical composition for surrogate model {‘C2H6’: 1.0}

Type:

dict

fuel_chemical_properties#

Detailed chemical composition for high-fidelity model

Type:

dict

air_chemical_properties#

Air composition for combustion calculations {‘O2’:0.2095, ‘N2’:0.7809, ‘AR’:0.0096}

Type:

dict

surrogate_species_list#

Species considered in surrogate model [‘CO’, ‘CO2’, ‘H2O’]

Type:

list

species_list#

Species considered in detailed model [‘CO’, ‘CO2’, ‘H2O’, ‘NO’, ‘NO2’, ‘CSOLID’]

Type:

list

global_warming_potential_100#
100-year global warming potential for emissions
  • CO2float

    GWP for carbon dioxide (1)

  • H2Ofloat

    GWP for water vapor (0.06)

  • SO2float

    GWP for sulfur dioxide (-226)

  • NOxfloat

    GWP for nitrogen oxides (52)

  • Sootfloat

    GWP for particulate matter (1166)

  • Contrailsfloat

    GWP for contrail formation (11)

Type:

Data

Notes

This class implements properties for ethane fuel, including both simplified and detailed chemical kinetics options. Properties are specified at standard conditions (15°C, 1 atm).

Definitions

‘Lower Heating Value’

Heat of combustion excluding latent heat of water vapor

‘Global Warming Potential’

Relative measure of heat trapped in atmosphere compared to CO2

‘Surrogate Model’

Simplified chemical kinetics model using pure ethane

Major Assumptions

  • Properties are for standard temperature and pressure conditions (15C, 1atm)

  • Density at -90C, 1 atm