SUAVE.Components.Energy.Networks.Internal_Combustion_Propeller.Internal_Combustion_Propeller Class Reference

Inheritance diagram for SUAVE.Components.Energy.Networks.Internal_Combustion_Propeller.Internal_Combustion_Propeller:

Public Member Functions
def	__defaults__ (self)
def	evaluate_thrust (self, state)
def	unpack_unknowns (self, segment)
def	residuals (self, segment)
def	add_unknowns_and_residuals_to_segment (self, segment, rpm=2500)

Public Attributes
	engines
	propellers
	engine_length
	number_of_engines
	identical_propellers
Public Attributes inherited from SUAVE.Components.Energy.Networks.Network.Network
	tag
	generative_design_max_per_vehicle
	non_dimensional_origin
	number_of_engines
	engine_length
	wing_mounted
	areas
Public Attributes inherited from SUAVE.Components.Physical_Component.Physical_Component
	tag
	mass_properties
	origin
	symmetric
Public Attributes inherited from SUAVE.Components.Component.Component
	tag
	origin
	generative_design_max_per_vehicle
	generative_design_characteristics
	generative_design_special_parent

Detailed Description

A simple mock up of an internal combustion propeller engine. Tis network adds an extra
    unknowns to the mission, the torque matching between motor and propeller.

    Assumptions:
    None
    
    Source:
    None

Member Function Documentation

__defaults__()

def SUAVE.Components.Energy.Networks.Internal_Combustion_Propeller.Internal_Combustion_Propeller.__defaults__

(

self

)

This sets the default values for the network to function.
    
    Assumptions:
    None
    
    Source:
    N/A
    
    Inputs:
    None
    
    Outputs:
    None
    
    Properties Used:
    N/A

Reimplemented from SUAVE.Components.Energy.Networks.Network.Network.

add_unknowns_and_residuals_to_segment()

def SUAVE.Components.Energy.Networks.Internal_Combustion_Propeller.Internal_Combustion_Propeller.add_unknowns_and_residuals_to_segment	(		self,
			segment,
			rpm = 2500
	)

This function sets up the information that the mission needs to run a mission segment using this network
    
    Assumptions:
    None
    
    Source:
    N/A
    
    Inputs:
    segment
    rpm                      [rpm]
    
    Outputs:
    segment.state.unknowns.battery_voltage_under_load
    segment.state.unknowns.propeller_power_coefficient
    segment.state.conditions.propulsion.propeller_motor_torque
    segment.state.conditions.propulsion.propeller_torque   
    
    Properties Used:
    N/A

evaluate_thrust()

def SUAVE.Components.Energy.Networks.Internal_Combustion_Propeller.Internal_Combustion_Propeller.evaluate_thrust	(		self,
			state
	)

Calculate thrust given the current state of the vehicle
    
    Assumptions:
    
    Source:
    N/A
    
    Inputs:
    state [state()]
    
    Outputs:
    results.thrust_force_vector [newtons]
    results.vehicle_mass_rate   [kg/s]
    conditions.propulsion:
rpm                  [radians/sec]
propeller_torque     [N-M]
power                [W]
    
    Properties Used:
    Defaulted values

residuals()

def SUAVE.Components.Energy.Networks.Internal_Combustion_Propeller.Internal_Combustion_Propeller.residuals	(		self,
			segment
	)

Calculates a residual based on torques 

Assumptions:

Inputs:
    segment.state.conditions.propulsion.
motor_torque                       [newtom-meters]                 
propeller_torque                   [newtom-meters] 

Outputs:
    segment.state:
residuals.network                  [newtom-meters] 

Properties Used:
    N/A

unpack_unknowns()

def SUAVE.Components.Energy.Networks.Internal_Combustion_Propeller.Internal_Combustion_Propeller.unpack_unknowns	(		self,
			segment
	)

Unpacks the unknowns set in the mission to be available for the mission.

Assumptions:
N/A

Source:
N/A

Inputs:
state.unknowns.rpm                 [RPM] 

Outputs:
state.conditions.propulsion.rpm    [RPM] 


Properties Used:
N/A

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The documentation for this class was generated from the following file:

• /Users/emiliobotero/Dropbox/SUAVE/SUAVE/trunk/SUAVE/Components/Energy/Networks/Internal_Combustion_Propeller.py