" no_dim") print("SFC cruise = ", "%.3f" % (aircraft.propulsion.sfc_cruise_ref * 36000), " kg/daN/h") print("SEC cruise = ", "%.3f" % (aircraft.propulsion.sec_cruise_ref / 100), " kW/daN") print("Nominal mission fuel = ", "%.1f" % (aircraft.nominal_mission.block_fuel), " kg") print("") print("Take off field length required = ", "%.1f" % aircraft.low_speed.req_tofl, " m") print("Take off field length effective = ", "%.1f" % aircraft.low_speed.eff_tofl, " m") print("") print("Approach speed required = ", "%.1f" % unit.kt_mps(aircraft.low_speed.req_app_speed), " kt") print("Approach speed effective = ", "%.1f" % unit.kt_mps(aircraft.low_speed.eff_app_speed), " kt") print("") print("Vertical speed required = ", "%.1f" % unit.ftpmin_mps(aircraft.high_speed.req_vz_climb), " ft/min") print("Vertical speed effective = ", "%.1f" % unit.ftpmin_mps(aircraft.high_speed.eff_vz_climb), " ft/min") print("") print("Time to climb required = ", "%.1f" % unit.min_s(aircraft.high_speed.req_ttc), " min") print("Time to climb effective = ", "%.1f" % unit.min_s(aircraft.high_speed.eff_ttc), " min") print("") print("Cash Operating Cost = ",
print('Constraint : delta_tofl = ', "%.2f" % delta_tofl, 'm, (=< 0 ?)') # Approach speed #------------------------------------------------------------------------------------------------------ altp = ac.low_speed.altp_app_speed disa = ac.low_speed.disa_app_speed mass = ac.weights.mlw hld_conf_ld = ac.aerodynamics.hld_conf_to app_speed = perfo.approach_speed(ac, altp, disa, mass, hld_conf_ld) ac.low_speed.eff_app_speed = app_speed delta_app_speed = app_speed - ac.low_speed.req_app_speed print('Constraint : delta_app_speed = ', "%.2f" % unit.kt_mps(delta_app_speed), 'kt, (=< 0 ?)') # Carbon dioxide metric #------------------------------------------------------------------------------------------------------ CO2_metric, rgf = environ.fuel_efficiency_metric(ac) ac.environmental_impact.rgf = rgf ac.environmental_impact.CO2_metric = CO2_metric # Cost mission #----------------------------------------------------------------------------------------------------------------------------------------------- altp = ac.design_driver.ref_cruise_altp mach = ac.design_driver.cruise_mach disa = ac.cost_mission.disa
print("Payload-Range analysis : done") #------------------------------------------------------------------------------------------------------ perform.handling_qualities_analysis(aircraft) print("-------------------------------------------") print("Handling qualities analysis : done") print("") print("Rayon d'action demandé = ","%.0f"%unit.NM_m(aircraft.design_driver.design_range)," NM") print(" . . . . . . . effectif = ","%.0f"%unit.NM_m(aircraft.nominal_mission.range)," NM") print("") print("Longueur de piste au décollage demandée = "+"%.0f"%aircraft.low_speed.req_tofl+" m") print(" . . . . . . . . . . . . . . . effective = "+"%.0f"%aircraft.low_speed.eff_tofl+" m") print("") print("Vitesse d'approche demandée = "+"%.1f"%unit.kt_mps(aircraft.low_speed.req_app_speed)+" kt") print(" . . . . . . . . . effective = "+"%.1f"%unit.kt_mps(aircraft.low_speed.eff_app_speed)+" kt") print("") print("Vitesse de monté demandé = "+"%.1f"%unit.ftpmin_mps(aircraft.high_speed.req_vz_climb)+" ft/min") print(" . . . . . . . . effective = "+"%.1f"%unit.ftpmin_mps(aircraft.high_speed.eff_vz_climb)+" ft/min") print("") print("Temps de monté demandé = "+"%.1f"%unit.min_s(aircraft.high_speed.req_ttc)+" min") print(" . . . . . . . effectif = "+"%.1f"%unit.min_s(aircraft.high_speed.eff_ttc)+" min") print("") print("Coût d'un voyage = "+"%.0f"%aircraft.economics.direct_operating_cost+" $") # airplane 3D view #------------------------------------------------------------------------------------------------------ print("-------------------------------------------") print("3 view drawing : launched")
mtow_req = aircraft.weights.owe + aircraft.nominal_mission.payload + aircraft.nominal_mission.total_fuel # Print relevant data #------------------------------------------------------------------------------------------------------ delta_mtow = mtow_i - mtow_req # Should be positive or zero print("") print("MTOW required = ", "%.0f" % mtow_req, " kg") print("Delta MTOW = ", "%.2f" % delta_mtow, " kg (Should be positive or zero)") disa = 0 altp = aircraft.design_driver.ref_cruise_altp mach = aircraft.design_driver.cruise_mach vtas = earth.vtas_from_mach(altp, disa, mach) print("") print("Wing mass = ", "%.2f" % aircraft.wing.mass, " kg") print("Wing span = ", "%.2f" % aircraft.wing.span, " m") print("Wing aspect ratio = ", "%.2f" % aircraft.wing.aspect_ratio, " no_dim") print("") print("True air speed = ", "%.2f" % unit.kt_mps(vtas), " kt") print("Fuel mission = ", "%.2f" % aircraft.nominal_mission.block_fuel, " kg") print("LoD cruise (LoD max) = ", "%.2f" % aircraft.high_speed.cruise_lod, " no_dim") print("SFC cruise = ", "%.3f" % (aircraft.high_speed.cruise_sfc * 36000), " kg/daN/h") # airplane 3D view #------------------------------------------------------------------------------------------------------ show.draw_3d_view(aircraft, "study_n1", "This plane")
print("") print("Vertical speed required with MCL rating = ","%.1f"%unit.ftpmin_mps(aircraft.high_speed.req_vz_climb)," ft/min | effective = ","%.1f"%unit.ftpmin_mps(aircraft.high_speed.eff_vz_climb)," ft/min") print("") print("Vertical speed required with MCR rating = ","%.1f"%unit.ftpmin_mps(aircraft.high_speed.req_vz_cruise)," ft/min effective = ","%.1f"%unit.ftpmin_mps(aircraft.high_speed.eff_vz_cruise)," ft/min") print("") print("Time to climb required = ","%.1f"%unit.min_s(aircraft.high_speed.req_ttc)," min effective = ","%.1f"%unit.min_s(aircraft.high_speed.eff_ttc)," min") """ print("Engine effective reference thrust = ","%.1f"%(aircraft.propulsion.reference_thrust_effective/10)," daN") print("Wing area = ","%.1f"%aircraft.wing.area," m2") print("") print("Take off field length required = ","%.1f"%aircraft.low_speed.req_tofl," m") print("Take off field length effective = ","%.1f"%aircraft.low_speed.eff_tofl," m") print("") print("Approach speed required = ","%.1f"%unit.kt_mps(aircraft.low_speed.req_app_speed)," kt") print("Approach speed effective = ","%.1f"%unit.kt_mps(aircraft.low_speed.eff_app_speed)," kt") print("") #""" print("Flight path required OEI = ","%.2f"%(aircraft.low_speed.req_oei_path*100)," %") print("light path effective OEI = ","%.2f"%(aircraft.low_speed.eff_oei_path*100)," %") print("") print("Vertical speed required with MCL rating = ","%.1f"%unit.ftpmin_mps(aircraft.high_speed.req_vz_climb)," ft/min") print("Vertical speed effective with MCL rating = ","%.1f"%unit.ftpmin_mps(aircraft.high_speed.eff_vz_climb)," ft/min") print("") print("Vertical speed required with MCR rating = ","%.1f"%unit.ftpmin_mps(aircraft.high_speed.req_vz_cruise)," ft/min") print("Vertical speed effective with MCR rating = ","%.1f"%unit.ftpmin_mps(aircraft.high_speed.eff_vz_cruise)," ft/min") print("") print("Time to climb required = ","%.1f"%unit.min_s(aircraft.high_speed.req_ttc)," min") print("Time to climb effective = ","%.1f"%unit.min_s(aircraft.high_speed.eff_ttc)," min") # """