Path: Propulsion/Electric
% Finds an electric thrust propelled mass-optimal vehicle. The routine takes the power-to-mass ratio and finds the constant exhaust velocity that minimizes the total mass. Since v11 uses fminbnd to prevent singularities due to the structural ratio. Type OptimalVehicle for a demo. -------------------------------------------------------------------------- Form: d = OptimalVehicle( x, doPlot ) -------------------------------------------------------------------------- ------ Inputs ------ x (.) Data structure .dV Total delta V capability (m/sec) .uE Exhaust velocity (m/sec) .pR Power to propulsion system mass ratio (W/kg) .sR Structural mass to fuel ratio .mP Payload mass (kg) .eff Conversion efficiency .thrust Thrust (N) doPlot (1) Flag to pretty-print the design ------- Outputs ------- d (.) Updated data structure with: .mT Total mass .mS Structural mass .mR Propulsion system mass .mF Fuel mass .mD Dry mass .power Total power (w) -------------------------------------------------------------------------- See also: ElectricPropulsionDesign --------------------------------------------------------------------------
Propulsion: Electric/ElectricPropulsionDesign Common: General/IsVersionAfter
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