Search references for THRUST SPECIFIC-FUEL-CONSUMPTION. Phrases containing THRUST SPECIFIC-FUEL-CONSUMPTION
See searches and references containing THRUST SPECIFIC-FUEL-CONSUMPTION!THRUST SPECIFIC-FUEL-CONSUMPTION
Fuel efficiency of an engine design with respect to thrust output
Thrust-specific fuel consumption (TSFC) is the fuel efficiency of an engine design with respect to thrust output. TSFC may also be thought of as fuel
Thrust-specific fuel consumption
Thrust-specific_fuel_consumption
Measure of the fuel efficiency of internal combustion engines
Brake-specific fuel consumption (BSFC) is a measure of the fuel efficiency of any prime mover that burns fuel and produces rotational, or shaft power
Brake-specific fuel consumption
Brake-specific_fuel_consumption
Topics referred to by the same term
efficiency within a shaft engine Thrust-specific fuel consumption, fuel efficiency of an engine design with respect to thrust output This disambiguation page
Specific_fuel_consumption
Aircraft fuel efficiency
and with improved engine brake-specific fuel consumption and propulsive efficiency or thrust-specific fuel consumption. Endurance and range can be maximized
Fuel_economy_in_aircraft
Aircraft propulsion system efficient at a range of speeds higher and lower than sound's
reduce aircraft drag at supercruise, SST engines require a high specific thrust (net thrust/airflow) to minimize the powerplant's cross-sectional area. This
Variable_cycle_engine
Proportion of ducted compared to combusted air in a turbofan engine
provides a lower fuel consumption for the same thrust, measured as thrust specific fuel consumption (grams/second fuel per unit of thrust in kN using SI
Bypass_ratio
Turbofan aircraft engine
by a two-stage, air-cooled, HP turbine. This engine has a thrust-specific fuel consumption (TSFC) of 0.39 lb/(lbf⋅h) (11 g/(kN⋅s)) at static sea level
Rolls-Royce_BR700
Distance an aircraft can fly between takeoff and landing
characterized by a thrust specific fuel consumption, denoted in what follows by c T {\displaystyle c_{T}} , so that rate of fuel flow is proportional
Range_(aeronautics)
low specific thrust (~30 lbf/(lb/s)) to reduce noise, and to reduce fuel consumption, because a low specific thrust helps to improve specific fuel consumption
Specific_thrust
Manual control of the thrust of an aircraft's engines from the cockpit
flight engineer, or autopilot to control the thrust output of the aircraft's engines, by controlling the fuel flow to those engines. Throttle levers are
Thrust_lever
Change in velocity per amount of fuel
Specific thrust—thrust per unit of air for a duct engine Standard gravity System-specific impulse Thrust specific fuel consumption—fuel consumption per
Specific_impulse
Temporary diversion of an aircraft engine's thrust
Thrust reversal, also called reverse thrust, is an operating mode for jet engines equipped with a thrust reverser when thrust is directed forwards for
Thrust_reversal
Turbojet engine component
significantly increases thrust and is used as an alternative to a larger, heavier engine. However, it increases fuel consumption and decreases fuel efficiency, which
Afterburner
Quotient of a quantity by mass
consumption per unit of braking power Thrust-specific fuel consumption, fuel consumption per unit of thrust Specific acid catalysis, in which the reaction
Specific_quantity
Simplest known jet propulsion device
potentially allow much higher compression ratios, better fuel efficiencies, and greater thrust. Gluhareff Pressure Jet Pulse detonation engine Rotating
Valveless_pulsejet
Discussing what form of transport is the most fuel efficient and economical
automobiles Fuel-management systems Gas-guzzler Gasoline gallon equivalent Life-cycle assessment Marine fuel management Thrust-specific fuel consumption Vehicular
Energy efficiency in transport
Energy_efficiency_in_transport
Airbreathing jet engine which is typically used in aircraft
pressure thrust. The rate of flow of fuel entering the engine is very small compared with the rate of flow of air. If the contribution of fuel to the nozzle
Turbojet
Engine in which fuel combusts with an oxidizer
energy efficiency fuel/propellant consumption (brake specific fuel consumption for shaft engines, thrust specific fuel consumption for jet engines) power-to-weight
Internal_combustion_engine
2010s Russian turbofan aircraft engine
long-range derivative with a 0.526 lb/lbf/h (14.9 g/kN/s) cruise Thrust-specific fuel consumption; and could replace the 16-tf PS-90A powering the Tupolev Tu-204/214
Aviadvigatel_PD-14
Topics referred to by the same term
terms of its output power Thrust specific fuel consumption (TSFC), the fuel efficiency of a jet engine design in terms of its thrust efficiency Super Famicom
SFC
Gas turbine used to spin a shaft
virtually any fuel: petrol (gasoline), diesel fuel, and aviation fuels. However, turboshaft engines have significantly higher fuel consumption than the diesel
Turboshaft
System that allows a pilot to control thrust without manually setting fuel flow
the autothrottle concept and controls many other parameters besides fuel flow. Thrust lever Asiana Airlines Flight 214 - crashed when the pilot changed
Autothrottle
Angle of a blade in a fluid
performance and fuel economy. It is quite common for an aircraft to be designed with a variable-pitch propeller, to give maximum thrust over a larger speed
Blade_pitch
Small turbofan engine
the NASA requirement of 700 lbf (3,100 N) thrust. To achieve the required thrust-specific fuel consumption, the EJ22 turbofan was designed as a three
Williams_EJ22
Type of rocket engine
detonation engine capable of producing 890 N (200 lbf) of thrust operating on a hydrogen/oxygen fuel mix. In 2021 the group demonstrated an oblique detonation
Rotating_detonation_engine
Jet engine where combustion takes place in supersonic airflow
case of the rocket, there is a direct relation between specific impulse, specific fuel consumption and exhaust velocity. This direct relation is not generally
Scramjet
Computer used for engine control in aerospace engineering
Care-free engine handling, with guaranteed thrust settings Ability to use single engine type for wide thrust requirements by just reprogramming the FADECs
FADEC
Engine where combustion is pulsed instead of continuous
construction, and high noise levels. While the thrust-to-weight ratio is excellent, thrust specific fuel consumption is very poor. The pulsejet uses the Lenoir
Pulsejet
25-500-kW internal combustion engine, typically Brayton cycle-type
recuperator to improve efficiency from 10 to 30%, for a brake specific fuel consumption similar to a piston engine, but 30 kg (66 lb) lighter at 55 kg
Microturbine
Measurement indicator of fuel conversion
jet engine company sells' and, as such, criteria include thrust, (specific) fuel consumption, time between overhauls, power-to-weight ratio. Some major
Jet_engine_performance
Family of jet engines
000 lbf (4,400 N) and 1,800 lbf (8,000 N) static thrust. Specific fuel consumption at 1,200 lbf (5,300 N) thrust (SLS, ISA) is understood to be 0.486 lb/(lbf⋅h)
Williams_FJ33
Gas turbine phenomenon
complete loss of compression in case of a surge, requiring adjustments in the fuel flow to recover normal operation. Compressor stalls were a common problem
Compressor_stall
Turbomachinery concept
the weight of the engine, which further improves the thrust/weight ratio. Hydrogen is a suitable fuel because it is liquid at deeply cryogenic temperatures
Precooled_jet_engine
Airbreathing jet engine designed to provide thrust by driving a fan
mixer entry pressure. Consequently, net thrust increases, whilst specific fuel consumption (fuel flow/net thrust) decreases. A similar trend occurs with
Turbofan
Jet nozzle at the tip of some helicopter rotor blades
chamber on each of the three rotor tips, where a burner ignited fuel for increased thrust, which drove the rotors around and allowed the vehicle to fly
Tip_jet
Engine fuel systems in aircraft
fuel system allows the crew to pump, manage, and deliver aviation fuel to the propulsion system and auxiliary power unit (APU) of an aircraft. Fuel systems
Aircraft_fuel_system
Type of engine issue in aviation
of inlet airflow, or sudden or inappropriate thrust lever movements, which resulted in incorrect air-fuel ratios in the combustion chamber. Modern engines
Flameout
Turbine engine driving an aircraft propeller
degree, a low disc loading (thrust per unit disc area) increases the aircraft's energy efficiency, and this reduces the fuel use. Propellers work well until
Turboprop
Supersonic atmospheric jet engine
has the advantage of giving thrust even at zero speed. In a solid fuel integrated rocket ramjet (SFIRR), the solid fuel is cast along the outer wall
Ramjet
is the reluctance of the fuel to vaporise and combust at low temperatures. Oil dilution systems were developed (mixing fuel with the engine oil), and
Aircraft_engine_starting
Aircraft engine that produces thrust by emitting a jet of gas
engines. This definition is called specific fuel consumption, or how much fuel is needed to produce one unit of thrust. For example, it will be known for
Jet_engine
Topics referred to by the same term
Shandong Taishan F.C. Team Socceroo F.C. Team Solent F.C. Thrust specific fuel consumption Tourette Syndrome Foundation of Canada This disambiguation
TSFC
Cancelled Soviet aircraft type
back, have a thrust specific fuel consumption of 0.44 lb/(lbf⋅h) (12 g/(kN⋅s)), and deliver 9,700 kilowatts (13,000 hp), resulting in a thrust of 11,200 kgf
Yakovlev_Yak-46
Geared turbofan engine produced beginning 2007
fuel burn gain margin of 5–7% over the next decade, averaging 1% per year combined with gear ratio tweaks. The PW1400G has a cruise thrust-specific fuel
Pratt_&_Whitney_PW1000G
Shock-induced combustion ramjet engine
numbers beyond 12.[citation needed] This engine funnels a mixture of air and fuel at hypersonic speeds (more than five times the speed of sound) toward a ramp
Shcramjet
1960s British turbofan aircraft engine
180-minute ETOPS approval on the 767 in 1993. An RB211 may have a thrust specific fuel consumption around 0.6 lbm/(lbf·h). The -524L, begun in 1987 to allow further
Rolls-Royce_RB211
Type of gearbox used on jet engines
three-phase 115 VAC at 400 Hz, an alternator needs to spin at a constant specific speed (typically 6,000 RPM for air-cooled generators). Since the jet engine
Constant-speed_drive
Alternative vehicle power source
fitted to some tanks to provide electrical power without the high fuel consumption and large infrared signature of the main engine. As early as World
Auxiliary_power_unit
Type of aviation fuel
special synthetic "J2" fuel or diesel fuel. Gasoline was a third option but unattractive due to high fuel consumption. Other fuels used were kerosene or
Jet_fuel
Supersonic turbojet engine
produced 20,000 kgf (44,000 lbf; 200,000 N) thrust at take-off and had a cruise thrust-specific fuel consumption of 1.22 kg/(kgf. h). which gave the aircraft
Kolesov_RD-36
Type of aircraft engine
374 and 993 kgf; 42.90 and 9.74 kN) in static thrust and cruise with a thrust-specific fuel consumption (TSFC) of 0.240 and 0.519 lb/(lbf⋅h) (6.8 and
Propfan
Variable Pitch Propeller
bypass ratio turbofans. One of the methods used to reduce thrust-specific fuel consumption is to improve propulsive efficiency. This involves reducing
Variable_pitch_fan
Avionics system developed by Airbus
crew attention but not immediate action. For example, air bleed failure or fuel fault. They have no direct consequence to flight safety and are shown to
Electronic centralised aircraft monitor
Electronic_centralised_aircraft_monitor
1960s British/French turbojet aircraft engine
studies were required to meet the specifications which included thrust-specific fuel consumption (TSFC or simply SFC), engine pressure ratio, size and weight
Rolls-Royce/Snecma Olympus 593
Rolls-Royce/Snecma_Olympus_593
Two-propeller design for improving low-airspeed maneuverability
airspeed is low, the mass of the air flowing through the propeller disk (thrust) causes a significant amount of tangential or rotational air flow to be
Contra-rotating_propellers
suitable for energy efficient turbofans. Its goal was to improve thrust specific fuel consumption by 12% compared to a GE CF6-50C. Both General Electric and
Energy_Efficient_Engine
Single-aisle airliner family
enabling higher operating temperatures permit a 15% reduction in thrust-specific fuel consumption (TSFC), along with 20% lower carbon emissions, 50% lower nitrogen-oxide
Boeing_737_MAX
Aircraft propulsion component
slightly differently in terms of thrust and torque[page needed] since the required output of the propeller is thrust. Thrust and torque are the basis of the
Propeller_(aeronautics)
Executive jet aircraft
50:1, and a bypass ratio higher than 6.5:1 for a 3–5% better thrust specific fuel consumption. After flight tests, G700 bested its competitor's 7,700 nmi
Gulfstream_G650/G700/G800
Non-airbreathing engine used to propel a missile or vehicle
engines typically have the highest thrust, but are the least propellant-efficient (they have the lowest specific impulse). For thermal rockets, pure
Rocket_engine
Turbojet engine
high overall pressure ratio to help improve both thrust-specific fuel consumption and specific thrust, but it was known that throttling a single high-pressure-ratio
Pratt_&_Whitney_J57
Nozzle that converts the internal energy of a working gas into propulsive force
Airbreathing engines create forward thrust on the airframe by imparting a net rearward momentum to the exhaust gas. If thrust exceeds the resistance incurred
Propelling_nozzle
Type of jet engine with no moving parts
the fuel (propane) before being injected into the air-fuel inlet. In the combustion chamber, the fuel/air mixture ignites and burns, creating thrust as
Gluhareff_Pressure_Jet
Power source for starting large engines
essential design feature, as it is the heat of compression that ignites the fuel. An electric starter with sufficient power to turn a large diesel engine
Air-start_system
Turbojet engine
turbine Maximum thrust: 660 lbf (2.9 kN) Overall pressure ratio: 5.6:1 Specific fuel consumption: 1.2 lb/(lbf⋅h) or 34 g/(kN⋅s) Thrust-to-weight ratio:
Teledyne_CAE_J402
Propellers that rotate on opposite directions
pressure ratio Propulsive efficiency Specific impulse Thrust Thrust lapse Thrust specific fuel consumption Thrust to weight ratio Variable cycle engine
Counter-rotating_propellers
British turbofan engine, developed from earlier Trent series engines
introduced in September 2011 with Package A with 1% worse thrust specific fuel consumption (TSFC) than the initial Boeing specification, which was matched
Rolls-Royce_Trent_1000
Turbofan aircraft engine family
engines produced by GE Aviation. The CF6, based on the TF39, the first high-thrust, high-bypass jet engine, has been used in a wide variety of airliners, but
General_Electric_CF6
Type of rocket engine
is to direct the exhaust of a rocket engine in one direction, generating thrust in the opposite direction. The exhaust, a high-temperature mix of gases
Aerospike_engine
Proposed aircraft to fill the middle of the market segment
27, 2018 deadline for a 45,000 lbf (200 kN) engine with a thrust specific fuel consumption (TSFC) 25% lower than the 757's engines. At least two engine-makers
Boeing_New_Midsize_Airplane
High-thrust turbofan jet engine
increases fuel efficiency by 10% over the GE90. Its 61:1 overall pressure ratio should help provide a 5% lower thrust specific fuel consumption (TSFC) than
General_Electric_GE9X
Piston engine starting system
Aircraft engine starting Air-start system Isopropyl nitrate - A monopropellant fuel used to power AVPIN turbojet starter motors. Components of jet engines Flame
Coffman_engine_starter
Jet airliner model, series based on the DC-9
JT8D-217C engines were also offered on the MD-82, giving improved Thrust specific fuel consumption (TSFC). Several operators took delivery of the -219-powered
McDonnell_Douglas_MD-80
Type of alert system on aircraft
speed of rotation, temperature values including exhaust gas temperature, fuel flow and quantity, oil pressure etc. Other aircraft systems typically monitored
Engine-indicating and crew-alerting system
Engine-indicating_and_crew-alerting_system
Group of lights as a status indicator
system requires timely attention or may do so in the future (ice detected, fuel imbalance) Green: Advisory/Indication, a system is in use or ready for operation
Annunciator_panel
Aircraft cockpit with electronic displays
pressure ratio Propulsive efficiency Specific impulse Thrust Thrust lapse Thrust specific fuel consumption Thrust to weight ratio Variable cycle engine
Glass_cockpit
Single-aisle airliner family
thrust output of 110 kN (25,000 pounds-force), hence the name. It is 4% more efficient than the CFM56, with cruise thrust-specific fuel consumption for
Airbus_A320_family
Brief description of components needed for jet engines
distortion), and to give a pressure boost to the engine which reduces its fuel consumption (by converting the relative speed of the approaching air into pressure)
Components_of_jet_engines
Total pressure ratio across a jet engine
Company Engine thrust control system US Patent 4248042 Includes Boeing's discussion on EPR or IEPR being a better indicator of thrust. Pressure Variation
Engine_pressure_ratio
Sub-class of turbomachinery
only necessary to summarize that in the ideal case, the lowest specific fuel consumption would occur when the centrifugal compressor's peak efficiency
Centrifugal_compressor
1950s-60s British missile rocket engine
cruise chamber rated at 6,000 lbf (27 kN) Burn time: Thrust specific fuel consumption: Specific impulse: ~220 seconds (2.2 km/s) Related development Bristol
Armstrong_Siddeley_Stentor
Machine for continuous flow gas compression
too-great a step-jump in fuel which causes a momentary blockage until the compressor increases to the speed which goes with the new fuel flow and the surging
Axial_compressor
Turbofan aircraft engine family
underwing pylon or aft fuselage installation. The AE 3007 has a thrust-specific fuel consumption (TSFC) of 0.36 lb/(lbf⋅h) (10 g/(kN⋅s)) at static sea level
Rolls-Royce_AE_3007
Gas turbine gearbox
engine's core, it drives the accessories – such as generators, pumps for fuel and lubrication oil, air compressors, hydraulic pumps and engine starters
Accessory_drive
Engine component
pressure ratio Propulsive efficiency Specific impulse Thrust Thrust lapse Thrust specific fuel consumption Thrust to weight ratio Variable cycle engine
Gas turbine engine compressors
Gas_turbine_engine_compressors
Dimensionless ratio of thrust to weight of a propelled vehicle
designs. The instantaneous thrust-to-weight ratio of a vehicle can vary during operation due to factors such as fuel consumption (which reduces mass) or
Thrust-to-weight_ratio
Medium to transfer power in hydraulic machinery
strut - aircraft application Osmosis Skydrol Givens W. and Michael P., Fuels and Lubricants Handbook, G. Totten ed., ASTM International, 2003, p. 373
Hydraulic_fluid
Cancelled airliner by Tupolev
would have a thrust specific fuel consumption (TSFC) of 13 g/(kN⋅s) (0.46 lb/(lbf⋅h)), resulting in a per-passenger aircraft fuel consumption rate of 13
Tupolev_Tu-334
Part of a jet engine where fuel is burned
advantage of afterburning is significantly increased thrust; the disadvantage is its very high fuel consumption and inefficiency, though this is often regarded
Combustor
Measure of aerodynamic efficiency
range depends on the lift/drag ratio. Thrust specific fuel consumption the lift to drag determines the required thrust to maintain altitude (given the aircraft
Lift-to-drag_ratio
Mechanical device
pressure ratio Propulsive efficiency Specific impulse Thrust Thrust lapse Thrust specific fuel consumption Thrust to weight ratio Variable cycle engine
Propeller speed reduction unit
Propeller_speed_reduction_unit
West German–Chinese regional propfan airliner
8-kilonewton thrust (4,360-kilogram-force; 9,620-pound-force) GE38-B5 UDF was the only suitable engine investigated, with a takeoff thrust-specific fuel consumption
MPC_75
Robust aircraft electronic recording device
dictates his life story to a flight recorder before the plane runs out of fuel and crashes. In stand-up comedy, many jokes have been made asking why the
Flight_recorder
Family of turboprop aircraft engines
generator and fan of 31.5 and 157.5 lb/s (14.3 and 71.4 kg/s), thrust-specific fuel consumption (TSFC) of 0.411 lb/(lbf⋅h) (11.6 g/(kN⋅s)) PLF1B-2 Turbofan
Honeywell_T55
1950s British aircraft rocket engine
a dry weight of 215 lbf (960 N) thrust of 2,000 lbf (8.9 kN) and a specific fuel consumption of 20 (lb/h)/lbf thrust. Work began in 1947 and the final
Armstrong_Siddeley_Snarler
Display system in an aircraft's cockpit which displays flight information electronically
altitude. MFDs can also display information about aircraft systems, such as fuel and electrical systems (see EICAS, below). As with the PFD, the MFD can change
Electronic flight instrument system
Electronic_flight_instrument_system
Turboshaft with power from independent exhaust
an intake. The air passes through a compressor and into a combustor where fuel is mixed with the compressed air and ignited. The combustion gases are expanded
Free-turbine_turboshaft
Aircraft gas turbine function
taken from the compressor stage of a gas turbine engine, upstream of its fuel-burning sections. Automatic air supply and cabin pressure controller (ASCPC)
Bleed_air
would produce 214 lb (97 kg) thrust at 26,000 rpm. The engine was to weigh 180 lb, and the thrust specific fuel consumption was to be 1.7. The Navy lost
West_Engineering_XJ38
1940s German aircraft rocket engine
(hydrazine hydrate/alcohol mix) fuel propellants Pumps: Thrust: 14.7 kN (3,300 lbf) Burn time: Thrust specific fuel consumption: 20 lb/hr/lbf (1800 N-s/kg)
Walter_HWK_109-509
THRUST SPECIFIC-FUEL-CONSUMPTION
THRUST SPECIFIC-FUEL-CONSUMPTION
THRUST SPECIFIC-FUEL-CONSUMPTION
THRUST SPECIFIC-FUEL-CONSUMPTION
THRUST SPECIFIC-FUEL-CONSUMPTION
THRUST SPECIFIC-FUEL-CONSUMPTION
THRUST SPECIFIC-FUEL-CONSUMPTION
THRUST SPECIFIC-FUEL-CONSUMPTION
THRUST SPECIFIC-FUEL-CONSUMPTION