RCAIDE.Library.Components.Powertrain.Propulsors.Turbofan

Turbofan

class Turbofan(*args, **kwarg)

Bases: Propulsor

A turbofan propulsion system model that simulates the performance of a turbofan engine.

tag

Identifier for the turbofan engine. Default is ‘Turbofan’.

Type:

str

nacelle

Nacelle component of the engine. Default is None.

Type:

Component

fan

Fan component of the engine. Default is None.

Type:

Component

ram

Ram inlet component. Default is None.

Type:

Component

inlet_nozzle

Inlet nozzle component. Default is None.

Type:

Component

low_pressure_compressor

Low pressure compressor component. Default is None.

Type:

Component

high_pressure_compressor

High pressure compressor component. Default is None.

Type:

Component

low_pressure_turbine

Low pressure turbine component. Default is None.

Type:

Component

high_pressure_turbine

High pressure turbine component. Default is None.

Type:

Component

combustor

Combustor component. Default is None.

Type:

Component

core_nozzle

Core exhaust nozzle component. Default is None.

Type:

Component

fan_nozzle

Fan exhaust nozzle component. Default is None.

Type:

Component

active_crypgenic_tanks_tanks

Collection of active cryogenoc tanks. Default is None.

Type:

None or list

diameter

Diameter of the engine [m]. Default is 0.0.

Type:

float

length

Length of the engine [m]. Default is 0.0.

Type:

float

height

Engine centerline height above the ground plane [m]. Default is 0.5.

Type:

float

exa

Distance from fan face to fan exit normalized by fan diameter. Default is 1.0.

Type:

float

plug_diameter

Diameter of the engine plug [m]. Default is 0.1.

Type:

float

geometry_xe

Installation effects geometry parameter. Default is 1.0.

Type:

float

geometry_ye

Installation effects geometry parameter. Default is 1.0.

Type:

float

geometry_Ce

Installation effects geometry parameter. Default is 2.0.

Type:

float

bypass_ratio

Engine bypass ratio. Default is 0.0.

Type:

float

design_isa_deviation

ISA temperature deviation at design point [K]. Default is 0.0.

Type:

float

design_altitude

Design altitude of the engine [m]. Default is 0.0.

Type:

float

specific_fuel_consumption_reduction_factor

Specific fuel consumption adjustment factor (Less than 1 is a reduction). Default is 0.0.

Type:

float

compressor_nondimensional_massflow

Non-dimensional mass flow through the compressor. Default is 0.0.

Type:

float

reference_temperature

Reference temperature for calculations [K]. Default is 288.15.

Type:

float

reference_pressure

Reference pressure for calculations [Pa]. Default is 101325.0.

Type:

float

design_thrust

Design thrust of the engine [N]. Default is 0.0.

Type:

float

design_mass_flow_rate

Design mass flow rate [kg/s]. Default is 0.0.

Type:

float

OpenVSP_flow_through

Flag for OpenVSP flow-through analysis. Default is False.

Type:

bool

Notes

The Turbofan class inherits from the Propulsor base class and implements methods for computing turbofan engine performance. It includes functionality for handling different operating conditions and performance calculations.

Definitions

‘ISA’

International Standard Atmosphere - standard atmospheric model

‘SFC’

Specific Fuel Consumption - fuel efficiency metric

‘OpenVSP’

Open Vehicle Sketch Pad - open-source parametric aircraft geometry tool

See also

RCAIDE.Library.Components.Powertrain.Propulsors.Propulsor, RCAIDE.Library.Components.Powertrain.Propulsors.Turbojet, RCAIDE.Library.Components.Powertrain.Propulsors.Turboprop, RCAIDE.Library.Components.Powertrain.Propulsors.Turboshaft

append_operating_conditions(segment, energy_conditions, noise_conditions=None)

Appends operating conditions to the segment.

unpack_propulsor_unknowns(segment)

pack_propulsor_residuals(segment)

append_propulsor_unknowns_and_residuals(segment)

compute_performance(state, center_of_gravity=[[0, 0, 0]])

Computes turbofan performance including thrust, moment, and power.

reuse_stored_data(state, network, stored_propulsor_tag=None, center_of_gravity=[[0, 0, 0]])

Reuses stored turbofan data for performance calculations.