WOLFRAM SYSTEM MODELER

PipistrelPEM60MVLC

Electric engine: Pipistrel PEM 60MVLC

Diagram

Wolfram Language

In[1]:=
SystemModel["Aircraft.Physical.FixedWing.Parts.Propulsions.Engines.ElectricEngines.PipistrelPEM60MVLC"]
Out[1]:=

Information

This model extends the ElectricEngine model and contains the parameters of the Pipistrel PEM 60MVLC engine.

References for Engine Parameter Values

[1]  PIPISTREL d.o.o. (2022). "Technical data PIPISTREL Alpha Electro." [online] 
      Available at: https://www.pipistrel-aircraft.com/products/light-sport-microlight/alpha-electro/#tab-id-2 [Accessed 27 Oct. 2022].

Parameters (18)

weightEst

Value:

Type: Boolean

Description: true, if weight estimation method is used for masses, center of mass location and inertia tensor

bWing

Value:

Type: Length (m)

Description: Main wing span

SrefWing

Value:

Type: Area (m²)

Description: Main wing reference area

CADshapes

Value:

Type: Boolean

Description: true, if external CAD files are used for animation

negThrust

Value: 0

Type: Real

Description: Maximum negative thrust (0 to 1 of thrust available)

rho0

Value:

Type: Density (kg/m³)

Description: Air density at sea-level

Psealevel

Value: 60000

Type: Power (W)

Description: Engine power at sea level

dProp

Value: 1.64

Type: Length (m)

Description: Propeller diameter

etaProp

Value: 0.8

Type: Real

Description: Propeller efficiency

etaEng

Value: 0.8

Type: Real

Description: Power transmission efficiency

mProp

Value: 0

Type: Mass (kg)

Description: Propeller mass

mEngDry

Value: Psealevel * W2kg / 3200

Type: Mass (kg)

Description: Engine dry mass

mEngInstalled

Value: mEngDry + mProp

Type: Mass (kg)

Description: Installed engine mass

xEngCM

Value: 0

Type: Length (m)

Description: Engine center of mass x-coordinate w.r.t. engine rear end

IxxEng

Value: 0.001

Type: MomentOfInertia (kg⋅m²)

Description: Engine roll moment of inertia

IyyEng

Value: 0.001

Type: MomentOfInertia (kg⋅m²)

Description: Engine pitch moment of inertia

IzzEng

Value: 0.001

Type: MomentOfInertia (kg⋅m²)

Description: Engine yaw moment of inertia

Tstatic

Value: (Modelica.Constants.pi / 2 * rho0 * dProp ^ 2 * Psealevel ^ 2) ^ (1 / 3)

Type: Force (N)

Description: Static thrust of one engine at sea level

Inputs (1)

flightData

Type: FlightData

Description: Global flight data variables

Connectors (3)

deltaThrotCmd

Type: RealInput

Description: Throttle position command

engineRP

Type: Frame_b

Description: Connector to engine reference point

yConsumption

Type: RealOutput

Description: Consumed electric energy or fuel in an engine

Components (15)

flightData

Type: FlightData

Description: Global flight data variables

energySystem

Type: ElectricSystem

Description: Model to calculate the consumed electric energy or fuel in an engine

thrustEngine

Type: WorldForce

Description: Engine net thrust

engShape

Type: FixedShape

Description: Engine visualization

thrustAvailable

Type: RealExpression

Description: Thrust available of one engine

engineThrustDmd

Type: Product

Description: Thrust demand for one engine

engineDynamics

Type: CriticalDamping

Description: Simplified model of the engine dynamics

throttleOnGround

Type: Limiter

Description: Limits the throttle from maximum negative thrust to 1 once on the ground

dragNacelle3D

Type: RealExpression[3]

Description: Drag due to one nacelle

dragNacelle

Type: WorldForce

Description: Drag of nacelle

translEng

Type: FixedTranslation

Description: Translation from engine rear end to the point where thrust and drag are acting on (currently no translation)

bodyEng

Type: Body

Description: Mass and inertia of engine

switch

Type: Switch

Description: Switch between two Real signals

throttleInAir

Type: Limiter

Description: Limits the throttle from 0 to 1 once airborne

onGround

Type: BooleanExpression

Description: Boolean expression for indicating aircraft being on ground