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Mission Session – Power & Propulsion April 26-28, 2005 Panel Discussion Outline • Review platform classes – Use current examples – Does not imply mission is done with these vehicles! • Review missions – Mission introduction – Cycle through each mission, 20 minutes with Q & A – Missions are conceptual in nature • Inferences and assumptions may be required • Document what is assumed • Keep discussion flowing • Sets the stage for technology session tomorrow Daughter Ship Class Length Wingspan Aspect Ratio Weight Endurance Range - w/ 2 hour loiter Ceiling Engine Engine footprint Engine Weight Engine Power 5.25 feet (1.6 m) 8.6 feet (2.62 m) 11.8 59 lbs (27 kg) 10 hrs 403 miles / 350 nm / 648 km 50 mile / 43 nm / 80 km 15000 ft. (4.5 km) ---1.26 KW Electric Propulsion Engine SFC Fuel Type Fuel Capacity Data Links Speed Electrical Power Payload Wt. (internal) (volume) --18. 2 lbs (8.3 kg) -43.5 mph / 38 knots 70 kmh 180 Watts 13.5 lb (6.14 kg) ~ 0.482 ft3 or 0.0137 m3 Small UAV Class A Length Wingspan Aspect Ratio Weight (Empty) (Launch) Endurance Range Ceiling Engine Engine footprint Engine Weight 6.2 feet (1.9 m) 9.5 feet (2.9 m) 15.3 18.1 lbs (8.2 kg) 33.1 lbs (15 kg) 30 hrs + 1800 miles / 1564 nm (2897 km) up to 21,000 ft. (med weight) 24cc Fuel Injected Piston Powered --- Engine Power Engine SFC Fuel Type Fuel Capacity Data Links Speed Electrical Power Payload Wt. (internal) (volume) 1.2 KW -Premium Unleaded Gasoline 11 lbs / 5 kg (1.7 gallons) UHF (uplink) Sat (downlink) 47- 92 mph / 41- 80 kts / 76-148 kmh 50 Watts 5 lb (2.27 kg) w/ full fuel or 11 lb (5 kg) max 0.482 ft3 or 0.0137 m3 Small UAV Class B Length Wingspan Aspect Ratio Weight (Empty) (Gross) Endurance Range Ceiling Engine Engine footprint Engine Weight 12 feet (3.66 m) 12 feet (3.66 m) 13 30 lbs (13.6 kg) 55 lbs (25 kg) 8 hours ~ 600 miles / 521 nm (966 km) 9000 ft (2744 m) Fuji BT- 86 Twin Cyl (2 stroke) 0.368 ft3 (0.0104 m3) 6.2 lbs (2.8 kg) Engine Power Engine SFC Fuel Type Fuel Capacity Data Links Speed Electrical Power Payload Wt. (Internal) (volume) 7.5 hp @ max RPM 2 oz./min @ max RPM 40:1 Gasoline/Oil Mix 12 lbs UHF (uplink/downlink) 45-90 mph / 39-78 knots / 145 kmh N/A 22 lbs (10 kg) 1.01 ft3 (0.0286 m3) Medium UAV Class Length Wingspan Aspect Ratio Weight (empty) (max T/O) Endurance Range Ceiling Engine Engine footprint Engine Weight Engine Power 36 feet (11 m) 66 feet (20.12 m) 16 3050 lb (1380 kg) 10000 lbs (4,536 kg) 32 hrs (clean) 24 hrs (w/ external stores) 2250 nm (4630 km) 50000 ft (15.2 km) Honeywell TPE 331-10T 2.18 ft. DIA (0.66 m) x 3.9 ft. (0.84 m) length 385 lbs (175 kg) 995 HP (746 KW) @ takeoff Engine SFC Fuel Type Fuel Capacity Data Links Speed Electrical Power Payload Wt. (Internal) (External) - 2 Inboard hardpts - 2 center hardpts - 2 outboard hardpts (volume) 0.56 lb/h/shp @ takeoff Jet A 3500 lbs (1588 kg) Satcom: UHF/Ku-Band LOS: C-Band 259 mph / 225 knots/ 416 kph 4.5 KW 800 lbs (363 kg) 3000 lbs (1364 kg) 1500 lbs (680 kg) 350 lbs (159 kg) 150 lbs (68 kg) 46 ft3 (1.3 m3) Large UAV Class Length Wingspan Aspect Ratio Weight (empty) (max T/O) Endurance Range Ceiling Engine Engine footprint Engine Weight 44.4 ft. (13.53 m) 116 feet (34.8 m) 25 8940 lbs (4,055 kg) 25600 lbs (11,612 kg) 35 Hours 12000 nm (22224 km) 65000 ft. (19.5 km) Rolls Royce-Allison AE3007H turbofan (5:1 bypass ratio) 3.21 ft. (0.98 m) DIA x 8.9 ft. (2.7m) Length 1581 lbs (717.1 kg) Engine Power Engine SFC Fuel Type Fuel Capacity Data Links Speed Electrical Power Payload Wt. (internal) (external) (volume) 33.8 KN, 7600 lb static thrust at sea level 0.38 lb/s/lb @ takeoff JP-8 14,700 lbs (6,668 kg) Satcom: UHF/Ku-Band LOS: UHF and CDL 391 mph (340 knots/630 kmh) 10 KVA 2000 lbs (909 kg) or 2000 lbs (909 kg) 2 (1000 lb) wing hard points ~ 150 ft3 (1.3 m3) Very Long Endurance UAV Class Length Wingspan Aspect Ratio Weight (Gross) (Empty) Endurance Range Ceiling Engine footprint Engine Weight Engine Power Engine SFC 12 feet (3.6 m) 250 feet (75.1 m) 25.75 1600 lbs (727.3 kg) 1322 lbs (601 kg) 168 hrs. (1 week) -100 K ft. (30 km) ~ 3 ft3 (0.914 m3) per engine ~ 12-13 lbs per motor (182 lbs or 82.7 kg total) 2 hp or 1.5 KW per motor N/A Fuel Type Fuel Capacity Data Links Speed Electrical Power Payload Wt. (internal) (external) (volume) Electric N/A S (Downlink) and L Band (Uplink) 19-27 mph / 17-23 knots / 43.5 kmh - low altitude 170 mph / 148 knots / 274 kmh - high altitude 1 KW @ 100 K ft. (30 km) 5 KW @ 60 K ft. (18 km) 100 lbs (45.5 kg) @ 100 K ft. (30 km) 600 lbs (272.7 kg) @ 70 K ft. (21 km) 5 pods additional space ~ 20 ft3 (0.567 m3) Mission Characteristics • Six Mission descriptions provided: – – – – – – • Hurricane Genesis, Evolution, and Landfall Cloud, Aerosol, Water Vapor, and Total Water Measurements Active Fire, Emissions, and Plume Assessment Southern Ocean Carbon Cycle Antarctic Explorer (Cyrosphere) Vegetation Structure, Composition, and Canopy Chemistry Assumptions across all missions – – – – OTH network centric communications ‘File and fly’ access to airspace ‘Plug and Play’ open architecture Capable of 100% nominal autonomous sensor operation Hurricane Genesis, Evolution and Landfall • Science objective: Observation of hurricanes to improve predictions of hurricane paths and landfall. • Remote, high altitude measurements: - Electrical activity - Precipitation - Clouds - Meteorological sounding • - Microphysics - Dust Tropospheric measurements: - 4-D thermodynamics - Winds • Boundary Layer: - Sea surface temperature - Surface winds - Surface imaging - Turbulent flux - Surface state: wave spectra, sea spume, etc Hurricane Genesis, Evolution and Landfall • High altitude, Mother Ship UAV: Very Long Endurance Platform - GPS reflectance: surface wave spectra - Optical Imager: lightning - Meteorological sonde - Lidar: surface wave spectra - Daughter ships - Sounder: water vapor and temperature - Radar: cloud and precipitation - Radiometer: cloud and precipitation – Payload: 1000 lbs, 100 – 200 ft3, 1 – 2 kW • Tropospheric UAV: Daughter Platform - Microphysics (typical of drop-sondes, thermodynamics) – Payload: ??? • Boundary layer UAV: Small Platform - Infrared pyrometer: SST - Meteorological sonde: in-situ - Winds - XRBT thermocline - Optical imager: surface imaging - Turbulence flux – Payload: ??? Hurricane Hurricane Genesis, Evolution and Landfall • Key mission characteristics: – High Altitude, Long Endurance • Remote mother platform: 65K ft / 2-3 weeks – – – – – Daughter ships => deploy/retrieve Formation (coordinated) flight Multi-ship operation Quick turn-around Re-tasking mission during flight • Satellite data • Remote, mother platform observations • Scientist – Payload directed flight – Terrain avoidance • boundary layer platform Cloud, Aerosol, Water Vapor, and Total Water Measurements • Science objective: study transformations of aerosols and gases in following cloud systems – – – – – – Convective systems Sea breeze cloud formation Marine stratiform Contrails in the Central U.S. in air traffic regions Synoptic scale systems & Fronts Cirrus outflow • Measurement - Water vapor, total water, water isotopes - Lightning - Temperature - Aerosols and cloud particles - Pressure - Winds - Ozone - Source gases and tracers - IR radiance - Radicals Cloud, Aerosol, Water Vapor and Total Water Measurements • Cloud and aerosol particles – – – – Chemical composition Number, size, volume Habit Extinction and absorption • Source gases and tracers – Hydrocarbons, Formaldehyde - HN03, NOy, CO2, CO, HCl, CH3I, HCl - Sulfur species (e.g. H2SO4, SO2) • Radicals – NO, NO2, OH – HO2, RO2 Cloud, Aerosol, Water Vapor, and Total Water Measurements • In-flow & out-flow in-situ UAV: Medium platform – Lidar, Microwave, Doppler Radar, FTIR, Ultra-violet spectrometer (UV-Vis), atmospheric samplers – Payload: 1600 lbs, 180 ft3, 10 kW • Convective in-situ UAV: Medium platform – Lidar, Microwave, Doppler Radar, FTIR, Ultra-violet spectrometer (UV-Vis), Electrical Activity – Payload: 1600 lbs, 180 ft3, 10 kW • Remote UAV: Very Long Endurance platform – Lidar, Microwave, Doppler Radar, Drop-sonde, FTIR , Optical Imager, UV-Vis, 95 GHz radar – Payload: 1600 lbs, 180 ft3, 10 kW Cloud, Aerosol, Water Vapor, and Total Water Measurements • Sensor Measurements - Lidar #1 - water vapor - Lidar #2 – temperature, ozone, aerosol and cloud particles - Microwave – temperature - Doppler radar – winds - UV-Vis - ozone - FTIR – ozone, IR radiance - Optical imager – lightning - 95 Ghz radar – aerosol and cloud particles (ice water content) - Atmospheric samplers – cloud and aerosol particles, source gases and tracers, radicals Cloud, Aerosol, Water Vapor, and Total Water Measurements, cont’d Cloud, Aerosol, Water Vapor, and Total Water Measurements • Key mission characteristics: – High altitude, long endurance • 3 – 5 days – All weather • Convective in-situ platform – Range: 22,000 nmi – Terrain avoidance • In-flow in-situ platform – – – – Formation (coordinated) flight Multi-ship operations Quick turn around Re-tasking mission during flight • Remote platform observations • Weather, cloud, chemical forecasts – Vertical profiling – Payload directed flight – 4 week campaign with 2 -3 flights Active Fire, Emissions, and Plume Assessment • Science objective: understand the influence of an active fire on carbon cycle dynamics • Measurements: – – – – Atmospheric chemistry Thermal intensity time-series Plume composition: volume, albedo, particle size distribution Fuel type and quality Active Fire, Emissions, and Plume Assessment • Remote UAV: Medium or Large platform – Imaging Spectrometer [thermal, midwave, shortwave IR] • • • • Hyperspectral (350 – 2500 nm) Downword looking port 5 – 20m horizontal, 5 – 50 km swath < 50 kg weight – Lidar • • • • • Resolution: .05 – 20 micron Downword looking port 1 m horizontal, 15 cm vertical < 3 km swath 30 kg weight - Payload: 130 lbs, 10 – 30 ft3, .8 kW • In-situ UAV: Medium platform – Isotope ratio mass spectrometers – Gas chromatographer – Non-dispersive infrared (IR) analyzer – Payload: 200 lbs Active Fire, Emissions, and Plume Assessment, cont’d Active Fire, Emissions, and Plume Assessment • Key mission characteristics: – Endurance: 24 – 72 hours – All weather • In-situ platform flies in plume of fire – – – – – – Formation (coordinated) flying Multi-ship operations Quick deployment / Quick turn-around Re-tasking mission during flight Payload directed flight Engine emissions can’t affect measurements Southern Ocean Carbon Cycle • Science objective: local to regional sea-air flux measurements that reduce uncertainty in global measurements and models of CO2 flux • Measurements – – – – Measure winds CO2 Sea state (obstacle avoidance) Surface temperature Southern Ocean Carbon Cycle • UAV: small platform - CO2 sensor (1 sample/m @ 150 m/sec) - INU & GPS - Hydrometer - Radiometer - Ocean optics spectrometer - Hyper-spectral radiometer - Interferometer - Payload: 66 lbs, .7 ft3, .25 kW Southern Ocean Carbon Cycle, cont’d Southern Ocean Carbon Cycle • Key mission characteristics: – – – – – Endurance: 48 hr Low altitude flight: < 10K ft Coordinated flight (swarm) Multi-ship operations Re-tasking mission during flight • Sensor payload • Satellite data • Model forecasts – Vertical profiling – Remote base operation (potentially ships) – Payload directed flight Antarctic Explorer (Cryosphere) • Science objective: – Provide data for validating simulations of the dynamics of ice and land topography, iceberg volume, glacier profiles and glacier channel profiles – Provide data on the effect on the ocean environment • Measurements - Time dependence of ice and land topography - Coastal and open ocean salinity temperature, and currents, at surface and beneath iceberg depths - Time evolution of targeted iceberg freeboard volume, land glacier profiles, and glacier channel profiles - Atmospheric boundary layer observations at high space/time resolution Antarctic Explorer • UAV: Medium or Large platform - Optical imager - Magnetometer - Radar depth sounder: ice sheet thickness - Drop-buoys: sea salinity, currents (at surface and beneath iceberg depths), temperature - Scanning Lidar: topographic mapping - Payload: 1000 lbs, 10 – 20 ft3, .5 kW Antarctic Explorer, cont’d Antarctic Explorer • Key mission characteristics: – – – – – – – Endurance: > 12 hr on-station (low altitude) Range: Antarctic continent All weather Terrain avoidance Quick deploy Quick turn around Re-tasking mission during flight • Dynamic event, e.g. ice shelf break-up – Remote base operations – One mission every 3 days for 2 months, during ice break-ups Vegetation Structure, Composition, and Canopy Chemistry • Science objective: Provide 3-dimensional vegetation structure and information on composition and chemistry • Measurements – Terrestrial biomass – Leaf-level chemistry (eg. lignin, xanthophylls, etc.) – Water canopy content Vegetation Structure, Composition, and Canopy Chemistry • UAV 1: Medium Platform – Synthetic aperature radar (L=structure) • 5-10m horizontal; 1m vertical • 5-20km swath • single pass interferometry – Payload: 630 lbs, 30 ft3, 2 – 3 kW • UAV 2: Medium Platform – Synthetic aperature radar (p=ground return) • 5-10m horizontal; 1m vertical • 5-20km swath • single pass interferometry – Imaging spectrometer • Hyperspectral (350nm-2500nm), 10nm channels • downward-looking port • 5-20m horizontal • 5-50km swath – Payload: 760 lbs, 45 ft3, 2.2 – 3.7 kW • UAV 3: Medium Platform – Synthetic aperature radar (x=top of canopy) – Lidar • 2 frequency (525m, 1050nm), waveform digitized • downward-looking port • 1m horizontal; 15cm vertical – Payload: 700 lbs, 35 ft3, 2.6 – 3.6 kW Vegetation Structure, Composition, and Canopy Chemistry, cont’d Vegetation Structure, Composition, and Canopy Chemistry • Key mission characteristics: – – – – Endurance: 12 – 24 hr Formation (coordinated) flight Multi-ship operations Flights weekly during seasons of interest Logistics • Meet 8:00 am tomorrow at Ballroom A • Shortly after will split: – Sensor track: Room 335 – Power and Propulsion Track: Room 312