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SPECIFIC IMPULSE

  • Specific impulse
  • Change in velocity per amount of fuel

    Specific impulse (usually abbreviated as Isp) is a physical quantity defined as the ratio of change in momentum (impulse) to the mass used, usually fuel

    Specific impulse

    Specific_impulse

  • Variable Specific Impulse Magnetoplasma Rocket
  • Electrothermal thruster in development

    The Variable Specific Impulse Magnetoplasma Rocket (VASIMR) is an electrothermal thruster under development for possible use in spacecraft propulsion.

    Variable Specific Impulse Magnetoplasma Rocket

    Variable Specific Impulse Magnetoplasma Rocket

    Variable_Specific_Impulse_Magnetoplasma_Rocket

  • Impulse (physics)
  • Integral of a comparatively larger force over a short time interval

    In classical mechanics, impulse (symbolized by J or Imp) is the change in momentum of an object. It is most often used to describe forces which act over

    Impulse (physics)

    Impulse (physics)

    Impulse_(physics)

  • Jet propulsion
  • Thrust produced by ejecting a jet of fluid

    than continuous, at least when the Reynolds number is greater than 6. Specific impulse (usually abbreviated Isp) is a measure of how effectively a rocket

    Jet propulsion

    Jet propulsion

    Jet_propulsion

  • Rocket engine
  • Non-airbreathing engine used to propel a missile or vehicle

    thrust, but are the least propellant-efficient (they have the lowest specific impulse). For thermal rockets, pure hydrogen, the lightest of all elements

    Rocket engine

    Rocket engine

    Rocket_engine

  • Rocket
  • Vehicle propelled by ejection of gases

    second. An equivalent measure, the net impulse per weight unit of propellant expelled, is called specific Impulse, I s p {\displaystyle I_{sp}} , and this

    Rocket

    Rocket

    Rocket

  • SpaceX Raptor
  • SpaceX family of liquid-fuel rocket engines

    increasing propellant mass per volume as well as engine performance. Specific impulse is increased, and the risk of cavitation at inputs to the turbopumps

    SpaceX Raptor

    SpaceX Raptor

    SpaceX_Raptor

  • System-specific impulse
  • System-specific Impulse, Issp is a measure that describes performance of jet propulsion systems. A reference number is introduced, which defines the total

    System-specific impulse

    System-specific_impulse

  • Impulse Space
  • American space company

    with propellant. It uses Saiph bipropellant thrusters which have a specific impulse (Isp) of 290 s. It can impart a delta-v of from 500 m/s with 300 kg

    Impulse Space

    Impulse_Space

  • Ion thruster
  • Form of electric spacecraft propulsion

    the amount of specific power required compared to chemical rockets. Ion thrusters are therefore able to achieve high specific impulses. The drawback of

    Ion thruster

    Ion thruster

    Ion_thruster

  • Rocket engine nozzle
  • Type of propelling nozzle

    been proposed for some types of propulsion (for example, Variable Specific Impulse Magnetoplasma Rocket, VASIMR), in which the flow of plasma or ions

    Rocket engine nozzle

    Rocket engine nozzle

    Rocket_engine_nozzle

  • NERVA
  • US Nuclear thermal rocket engine project (1956–1973)

    that NERVA had the designed specific impulse of 811 seconds (7.95 km/s); solid-propellant rockets have a maximum impulse of around 300 seconds (2.9 km/s)

    NERVA

    NERVA

    NERVA

  • SpaceX Merlin
  • Rocket engine in SpaceX Falcon launch vehicles

    sea level and 420 kN (95,000 lbf) in vacuum, and performing with a specific impulse of 261 s (2.56 km/s) at sea level and 303 s (2.97 km/s) in vacuum.

    SpaceX Merlin

    SpaceX Merlin

    SpaceX_Merlin

  • Scramjet
  • Jet engine where combustion takes place in supersonic airflow

    {\displaystyle I_{\text{sp}}} is the specific impulse h PR {\displaystyle h_{\text{PR}}} is fuel heat of reaction Specific impulse is often used as the unit of

    Scramjet

    Scramjet

    Scramjet

  • Long March 9
  • Chinese super-heavy rocket in development

    000 lb) Powered by 30 × YF-215 Maximum thrust 60 MN (13,000,000 lbf) Specific impulse 330 s (3.2 km/s) Propellant LOX / CH4 Second stage Diameter 10.6 m

    Long March 9

    Long March 9

    Long_March_9

  • Cold gas thruster
  • Type of rocket engine

    a high specific impulse, and a high specific impulse per unit volume of propellant should be considered. Overview of the specific impulses of propellants

    Cold gas thruster

    Cold_gas_thruster

  • RS-68
  • Hydrogen-oxygen rocket engine for the Delta IV

    were a significantly lower thrust-to-weight ratio and a 10% lower specific impulse compared to the SSME. The benefit of this simplicity is the RS-68's

    RS-68

    RS-68

    RS-68

  • N1 (rocket)
  • Soviet super heavy-lift launch vehicle (1965–1972)

    a higher specific impulse than the gas-generator cycle Rocketdyne F-1 despite the use of UDMH/N2O4 propellants with lower potential impulse. The F-1 engine

    N1 (rocket)

    N1 (rocket)

    N1_(rocket)

  • Jupiter-C
  • Part of the Redstone rocket family

    Rocketdyne A-7 engine Thrust, 83,000 lbf (370 kN) burning time, 155 s specific impulse, 235 s (2.30 kN·s/kg) propellants, liquid oxygen, as oxidizer, and

    Jupiter-C

    Jupiter-C

    Jupiter-C

  • Angara A5
  • Russian heavy-lift launch vehicle

    thrust 1,920 kN (430,000 lbf) Total thrust 7,680 kN (1,730,000 lbf) Specific impulse 310.7 s (3.047 km/s) Burn time 214 seconds Propellant LOX / RP-1 First

    Angara A5

    Angara A5

    Angara_A5

  • RD-270
  • Large Soviet rocket engine that used hypergolic propellants

    burned in the combustion chamber. This allowed the engine to achieve a specific impulse of 301 s (2.95 km/s) at the Earth's surface. Engine testing was underway

    RD-270

    RD-270

  • Rocket propellant
  • Chemical or mixture used in a rocket engine

    the propellants by their exhaust velocity relative to the rocket (specific impulse). A rocket can be thought of as being accelerated by the pressure of

    Rocket propellant

    Rocket propellant

    Rocket_propellant

  • Long March 10
  • Chinese super-heavy carrier rocket

    thrust SL: 17,500 kN (3,900,000 lbf) vac: 19,544 kN (4,394,000 lbf) Specific impulse SL: 301.6 s (2.958 km/s) vac: 337 s (3.30 km/s) Burn time 173 seconds

    Long March 10

    Long March 10

    Long_March_10

  • Liquid-propellant rocket
  • Rocket engine that uses liquid fuels and oxidizers

    have reasonably high density and their combustion products have high specific impulse (Isp). This allows the volume of the propellant tanks to be relatively

    Liquid-propellant rocket

    Liquid-propellant rocket

    Liquid-propellant_rocket

  • Nuclear pulse propulsion
  • Hypothetical spacecraft propulsion through continuous nuclear explosions for thrust

    Space Shuttle main engine. With refinements a theoretical maximum specific impulse of 100,000 s (980 km/s) (1 MN·s/kg) might be possible. Thrusts were

    Nuclear pulse propulsion

    Nuclear pulse propulsion

    Nuclear_pulse_propulsion

  • RD-107
  • Russian rocket engine

    high-frequency vibrations inside the combustion chambers and increasing specific impulse by about 5 seconds (0.049 km/s), or five percent. Used on the Soyuz-FG

    RD-107

    RD-107

    RD-107

  • Gridded ion thruster
  • Space propulsion system

    electrostatic ion thruster called HiPEP which will have higher efficiency, specific impulse, and a longer lifetime than NSTAR.[citation needed] In 2006, Aerojet

    Gridded ion thruster

    Gridded ion thruster

    Gridded_ion_thruster

  • Solid-propellant rocket
  • Rocket with a motor that uses solid propellants

    by using nitrocellulose, improving the overall specific impulse. The aluminium improves specific impulse as well as combustion stability. High performing

    Solid-propellant rocket

    Solid-propellant rocket

    Solid-propellant_rocket

  • Pulsejet
  • Engine where combustion is pulsed instead of continuous

    propulsion, but usually have a poor compression ratio, and hence give a low specific impulse. The two main types of pulsejet engines use resonant combustion and

    Pulsejet

    Pulsejet

    Pulsejet

  • Rocketdyne F-1
  • Rocket engine used on the Saturn V rocket

    sea level liftoff): 1,553,200 lbf (6.909 MN) Burn time: 159 seconds Specific impulse: 264.72 s (2.5960 km/s) Mixture ratio: 2.2674 S-IC total sea level

    Rocketdyne F-1

    Rocketdyne F-1

    Rocketdyne_F-1

  • NK-15
  • Soviet rocket engine design

    powerful LOX/kerosene rocket engines when it was built, with a high specific impulse and low structural mass. It was intended for the ill-fated Soviet N-1

    NK-15

    NK-15

  • Nuclear thermal rocket
  • Nuclear spacecraft propulsion technology

    with it and converting thermal energy to coherent kinetic energy. The specific impulse (Isp) of the engine is set by the speed of the exhaust stream. That

    Nuclear thermal rocket

    Nuclear thermal rocket

    Nuclear_thermal_rocket

  • Archimedes (rocket engine)
  • Liquid fuel rocket engine

    stated that it had a thrust of 1 MN (220,000 lbf) and 320 seconds of specific impulse. The same day, the Neutron page on Rocket Lab's website was updated

    Archimedes (rocket engine)

    Archimedes_(rocket_engine)

  • Rutherford (rocket engine)
  • Liquid-fueled rocket engine

    has a specific impulse of 311 s (3.05 km/s), while the vacuum optimized-version produces 25.8 kN (5,800 lbf) of thrust and has a specific impulse of 343 s

    Rutherford (rocket engine)

    Rutherford_(rocket_engine)

  • Tsiolkovsky rocket equation
  • Mathematical equation describing the motion of a rocket

    {\displaystyle I_{\text{sp}}g_{0}} ) I sp {\displaystyle I_{\text{sp}}} is the specific impulse in dimension of time; g 0 {\displaystyle g_{0}} is standard gravity;

    Tsiolkovsky rocket equation

    Tsiolkovsky rocket equation

    Tsiolkovsky_rocket_equation

  • Thrust-specific fuel consumption
  • Fuel efficiency of an engine design with respect to thrust output

    of thrust (newtons, or N), hence thrust-specific. This figure is inversely proportional to specific impulse, which is the amount of thrust produced per

    Thrust-specific fuel consumption

    Thrust-specific_fuel_consumption

  • Tripropellant rocket
  • Rocket that burns 3 propellants at once or 2 fuels with an oxidizer, sequentially

    respectively. Tripropellant systems can be designed to have high specific impulse and have been investigated for single-stage-to-orbit designs. While

    Tripropellant rocket

    Tripropellant_rocket

  • Dual-Stage 4-Grid
  • Type of electrostatic ion thruster

    energy input rate, the thruster could produce a thrust of 2.5 N. The specific impulse (a measure of fuel efficiency), could reach 19,300 s at an exhaust

    Dual-Stage 4-Grid

    Dual-Stage_4-Grid

  • Hall-effect thruster
  • Type of electric propulsion system

    ions in the plume. The Hall-effect thruster is classed as a moderate specific impulse (1,600 s) space propulsion technology and has benefited from considerable

    Hall-effect thruster

    Hall-effect thruster

    Hall-effect_thruster

  • Vega C
  • European small-lift launch vehicle

    mass 141,634 kg (312,250 lb) Maximum thrust 4,323 kN (972,000 lbf) Specific impulse 279 s (2.74 km/s) Burn time 135.7 seconds Propellant HTPB / AP / Al

    Vega C

    Vega_C

  • Liquid rocket propellant
  • Liquid form of rocket propellants

    The highest specific impulse chemical rockets use liquid propellants (liquid-propellant rockets). They can consist of a single chemical (a monopropellant)

    Liquid rocket propellant

    Liquid_rocket_propellant

  • Rotating detonation engine
  • Type of rocket engine

    an average thrust of 518 N (116 lbf) and delivering 290 seconds of specific impulse. Rotating combustion also created a torque of 0.26 N·m, so a S-shaped

    Rotating detonation engine

    Rotating detonation engine

    Rotating_detonation_engine

  • LVM3
  • Indian expendable medium-lift launch vehicle, developed by ISRO

    Vikas engines uses regenerative cooling, providing improved weight and specific impulse compared to earlier Indian rockets. Each Vikas engine can be individually

    LVM3

    LVM3

    LVM3

  • Delta Cryogenic Second Stage
  • Japanese-American rocket stage

    Rocketdyne, which features an extendable carbon–carbon nozzle to improve specific impulse. The DCSS was designed by the National Space Development Agency of

    Delta Cryogenic Second Stage

    Delta Cryogenic Second Stage

    Delta_Cryogenic_Second_Stage

  • RD-0120
  • Soviet rocket engine

    similarities and differences. The RD-0120 achieved a slightly higher specific impulse and combustion chamber pressure with reduced complexity and cost (but

    RD-0120

    RD-0120

    RD-0120

  • Multistage rocket
  • Most common type of rocket, used to launch satellites

    sort. One of the most common measures of rocket efficiency is its specific impulse, which is defined as the thrust per flow rate (per second) of propellant

    Multistage rocket

    Multistage rocket

    Multistage_rocket

  • Mass driver
  • Proposed spacelaunch method

    specific impulse tends to be a design goal when corresponding to the most energy released from reacting propellants). Although the specific impulse of

    Mass driver

    Mass driver

    Mass_driver

  • Eclipse (rocket)
  • Rocket under development by Firefly Aerospace and Northrop Grumman

    provide 7,161 kN (1,610,000 lbf) of thrust and has 305 seconds of specific impulse (Isp). This stage is designed to be reusable, though a de-rated and

    Eclipse (rocket)

    Eclipse_(rocket)

  • Microwave electrothermal thruster
  • Type of space propulsion using microwaves

    in meters^2(m^2). Specific impulse is how efficiently the fuel of the MET is used to create thrust. The formula for specific impulse is given as: I s p

    Microwave electrothermal thruster

    Microwave_electrothermal_thruster

  • RD-701
  • Proposed Soviet rocket engine

    388.4 kg/s (81.4% of propellant mass) of oxygen, achieving a with a specific impulse of 415s In high-altitude mode two, the preburner used to pump kerosene

    RD-701

    RD-701

  • SpaceX Starship
  • Reusable superheavy-lift general-purpose launch vehicle

    are 3D printed. A Raptor 2 engine produces 2.3 MN (520,000 lbf) at a specific impulse of 327 seconds (3.21 km/s) at sea level and 350 seconds (3.4 km/s)

    SpaceX Starship

    SpaceX Starship

    SpaceX_Starship

  • Spacecraft propulsion
  • Method used to accelerate spacecraft

    called specific impulse. This is a measure of the amount of impulse that can be obtained from a fixed amount of reaction mass. The higher the specific impulse

    Spacecraft propulsion

    Spacecraft propulsion

    Spacecraft_propulsion

  • Project Orion (nuclear propulsion)
  • Discontinued US research program on the viability of nuclear pulse propulsion

    the near-term. The Orion concept offered both high thrust and high specific impulse, or propellant efficiency: 2,000 pulse units (Isp) under the original

    Project Orion (nuclear propulsion)

    Project Orion (nuclear propulsion)

    Project_Orion_(nuclear_propulsion)

  • Single-stage-to-orbit
  • Launch system that only uses one rocket stage

    SSTO vehicles. When burned with oxygen, hydrogen gives the highest specific impulse of any commonly used fuel: around 450 seconds, compared with up to

    Single-stage-to-orbit

    Single-stage-to-orbit

    Single-stage-to-orbit

  • Jet engine
  • Aircraft engine that produces thrust by emitting a jet of gas

    measured by specific fuel consumption, specific impulse, or effective exhaust velocity. They all measure the same thing. Specific impulse and effective

    Jet engine

    Jet engine

    Jet_engine

  • Plasma propulsion engine
  • Type of electric propulsion

    have a much higher specific impulse (Isp) than most other types of rocket technology. The VASIMR thruster can be throttled for an impulse greater than 12000 s

    Plasma propulsion engine

    Plasma propulsion engine

    Plasma_propulsion_engine

  • Soyuz (rocket family)
  • Russian and Soviet rocket family

    kilonewtons (188,500 lbf) In vacuum: 1,021.3 kilonewtons (229,600 lbf) Specific impulse: At sea level: 262 seconds (2.57 km/s) In vacuum: 319 seconds (3.13 km/s)

    Soyuz (rocket family)

    Soyuz (rocket family)

    Soyuz_(rocket_family)

  • LE-7
  • Japanese hydrolox staged combustion rocket engine

    000 lbf) Rated thrust (vacuum): 1,074 kN (241,000 lbf) Specific impulse (sea level): Specific impulse (vacuum): 429 seconds (4.21 km/s) Long nozzle: Rated

    LE-7

    LE-7

    LE-7

  • Titan IIIE
  • Expendable launch system used by NASA

    strap-on boosters) Maximum thrust 5,339 kN (1,200,000 lbf) (each booster) Specific impulse 266 s (2.61 km/s) Burn time 117 seconds First stage – Core First Stage

    Titan IIIE

    Titan IIIE

    Titan_IIIE

  • RS-25
  • Space Shuttle and SLS main engine

    reliability, safety, and maintenance load. The engine produces a specific impulse (Isp) of 452 seconds (4.43 kN⋅s/kg) in vacuum, or 366 seconds (3.59 kN⋅s/kg)

    RS-25

    RS-25

    RS-25

  • Nuri (rocket)
  • First South Korean orbital launch vehicle developed domestically

    efficiency in vacuum with a specific impulse of 315.4 seconds. The third stage booster uses one KRE-007 engine with a specific impulse of 325.1 seconds. Both

    Nuri (rocket)

    Nuri (rocket)

    Nuri_(rocket)

  • Long March 7
  • Chinese medium to heavy-lift launch vehicle

    000 lbf) at sea level and 1,340 kN (300,000 lbf) in vacuum of thrust. Its specific impulse is 300 s (2.9 km/s) at sea level and 335 s (3.29 km/s) in vacuum. Each

    Long March 7

    Long March 7

    Long_March_7

  • Reaction engine
  • Type of engine

    ends up as kinetic energy of the exhaust.[citation needed] If the specific impulse ( I s p {\displaystyle I_{sp}} ) is fixed, for a mission delta-v, there

    Reaction engine

    Reaction_engine

  • Staged combustion cycle
  • Rocket engine operation method

    rocket engine power cycles is high fuel efficiency, measured through specific impulse, while its main disadvantage is engineering complexity. Typically,

    Staged combustion cycle

    Staged combustion cycle

    Staged_combustion_cycle

  • Centaur (rocket stage)
  • Family of rocket stages which can be used as a space tug

    featuring a fixed nozzle extension and modest improvements in thrust and specific impulse, offering minor improvements to payload capacities. In February 2026

    Centaur (rocket stage)

    Centaur (rocket stage)

    Centaur_(rocket_stage)

  • Turboshaft
  • Gas turbine used to spin a shaft

    performance Overall pressure ratio Propulsive efficiency Specific impulse Thrust Thrust lapse Thrust specific fuel consumption Thrust to weight ratio Variable

    Turboshaft

    Turboshaft

    Turboshaft

  • Characteristic velocity
  • Measure of rocket performance

    exhaust velocity related to the specific impulse by: I s p = c g 0 {\displaystyle I_{sp}={\frac {c}{g_{0}}}} . Specific impulse and effective exhaust velocity

    Characteristic velocity

    Characteristic_velocity

  • HG-3 (rocket engine)
  • Predecessor to the RS-25 thrust machine

    000 lbf) of thrust during flight. The engine was designed to produce a specific impulse (Isp) of 451 seconds (4.42 km/s) in a vacuum, or 280 seconds (2.7 km/s)

    HG-3 (rocket engine)

    HG-3 (rocket engine)

    HG-3_(rocket_engine)

  • Falcon 1
  • Expendable launch system by SpaceX

    oxygen providing 410 kilonewtons (92,000 lbf) of sea-level thrust and a specific impulse of 245 s (vacuum Isp 290 s). The first stage burns to depletion, taking

    Falcon 1

    Falcon 1

    Falcon_1

  • RP-1
  • Highly refined form of kerosene used as rocket fuel

    it offers a lower specific impulse, but can be stored at ambient temperatures, has a lower explosion risk, and although its specific energy is lower, its

    RP-1

    RP-1

    RP-1

  • Specific quantity
  • Quotient of a quantity by mass

    material Specific humidity, mass of water vapour per unit mass dry air Specific impulse, impulse (momentum change) per unit mass of propellant Specific modulus

    Specific quantity

    Specific_quantity

  • Impulse
  • Topics referred to by the same term

    Look up impulse or impulsive in Wiktionary, the free dictionary. Impulse or Impulsive may refer to: Impulse (physics), the change of momentum of an object;

    Impulse

    Impulse

  • Direct Fusion Drive
  • Conceptual rocket engine

    resulting in a propulsion system characterized by high specific power, variable thrust, specific impulse, and minimal radiation emissions of spacecraft propulsion

    Direct Fusion Drive

    Direct Fusion Drive

    Direct_Fusion_Drive

  • Titan IV
  • Expendable launch system used by the US Air Force

    (IV-A) – UA1207 No. boosters 2 Maximum thrust 14.234 MN (3,200,000 lbf) Specific impulse 272 seconds (2667 N·s/kg) Burn time 120 seconds Propellant PBAN Boosters

    Titan IV

    Titan IV

    Titan_IV

  • Monopropellant
  • Single-part rocket propellant

    noted the specific impulse of monopropellants is lower than bipropellants and can be found with the Air Force Chemical Equilibrium Specific Impulse Code tool

    Monopropellant

    Monopropellant

  • Atlas III
  • American medium expendable launch vehicle

    extendible nozzle, which increased the engine's thrust by 1.4 kN and specific impulse by 6.5 seconds. Centaur hosted the vehicle's avionics and flight computers

    Atlas III

    Atlas III

    Atlas_III

  • Firefly Aerospace
  • American aerospace company

    Alpha rocket. It produces 184 kilonewtons (41,000 lbf) of thrust and a specific impulse of 295.6 seconds (2.899 km/s). It is powered by RP-1 and liquid oxygen

    Firefly Aerospace

    Firefly_Aerospace

  • Next Generation Launch Vehicle
  • Class of Indian partially reusable launch vehicles under development by ISRO

    000 lb) each Powered by Solid S200 Maximum thrust 5,151 kN (525.3 tf) Specific impulse 274.5 seconds (2.692 km/s) (vacuum) Burn time 128 s Propellant HTPB

    Next Generation Launch Vehicle

    Next Generation Launch Vehicle

    Next_Generation_Launch_Vehicle

  • Space Launch System
  • NASA super heavy-lift expendable launch vehicle used in the Artemis Program

    using the European Vinci instead of the RL10, which offered the same specific impulse but with 64% greater thrust, which would allow for the same performance

    Space Launch System

    Space Launch System

    Space_Launch_System

  • Pulsed nuclear thermal rocket
  • Type of nuclear thermal rocket

    presented at the 2016 AIAA/SAE/ASEE Propulsion Conference for thrust and specific impulse (Isp) amplification in a conventional nuclear thermal rocket. The pulsed

    Pulsed nuclear thermal rocket

    Pulsed nuclear thermal rocket

    Pulsed_nuclear_thermal_rocket

  • Soyuz-5 (rocket)
  • Russian heavy-lift rocket

    000 lb) Powered by 1 × RD-171MV Maximum thrust 7,257 kN (1,631,000 lbf) Specific impulse 309 s (3.03 km/s) Burn time 179 seconds Propellant LOX / RP-1 Second

    Soyuz-5 (rocket)

    Soyuz-5 (rocket)

    Soyuz-5_(rocket)

  • Variable cycle engine
  • Aircraft propulsion system efficient at a range of speeds higher and lower than sound's

    airspeed. In effect the engine can operate at any point along the specific impulse (Isp) curve - high Isp at low speed or low Isp at high speed. It is

    Variable cycle engine

    Variable cycle engine

    Variable_cycle_engine

  • NK-33
  • Soviet rocket engine

    powerful LOX/RP-1 powered rocket engines ever built, noted for its high specific impulse and low structural mass. The NK-33 was an improved version of the earlier

    NK-33

    NK-33

    NK-33

  • Vega (rocket)
  • European Space Agency launch system

    mass 95,695 kg (210,971 lb) Maximum thrust 2,261 kN (508,000 lbf) Specific impulse 280 s (2.7 km/s) Burn time 107 seconds Propellant HTPB / AP Second

    Vega (rocket)

    Vega (rocket)

    Vega_(rocket)

  • Polar Satellite Launch Vehicle
  • Indian expendable launch vehicle

    Boosters (PSLV-G) – S9 No. boosters 6 Maximum thrust 510 kN (110,000 lbf) Specific impulse 262 s (2.57 km/s) Burn time 44 s Propellant HTPB Boosters (PSLV-XL/QL/DL)

    Polar Satellite Launch Vehicle

    Polar Satellite Launch Vehicle

    Polar_Satellite_Launch_Vehicle

  • SABRE (rocket engine)
  • Proposed hybrid ramjet and rocket engine

    better than the RB545 engine or scramjets. Fuel efficiency (known as specific impulse in rocket engines) peaks at about 3500 seconds within the atmosphere

    SABRE (rocket engine)

    SABRE (rocket engine)

    SABRE_(rocket_engine)

  • Space Shuttle Solid Rocket Booster
  • Solid propellant rocket used by the Space Shuttle

    composite propellant (APCP). This mixture gave the solid rocket motors a specific impulse of 242 seconds (2.37 km/s) at sea level or 268 seconds (2.63 km/s)

    Space Shuttle Solid Rocket Booster

    Space Shuttle Solid Rocket Booster

    Space_Shuttle_Solid_Rocket_Booster

  • BE-3
  • Liquid hydrogen/oxygen rocket engine

    BE-3U's thrust had been uprated to 765 kN (172,000 lbf) and that its specific impulse is 445s. The reported thrust was later revised to 770 kN (173,000 lbf)

    BE-3

    BE-3

    BE-3

  • Geosynchronous Satellite Launch Vehicle
  • Class of Indian medium-lift expendable launch vehicles, developed by ISRO

    Maximum thrust 760 kN (170,000 lbf) Total thrust 3,040 kN (680,000 lbf) Specific impulse 262 s (2.57 km/s) Burn time 154 seconds Propellant N2O4 / UDMH First

    Geosynchronous Satellite Launch Vehicle

    Geosynchronous Satellite Launch Vehicle

    Geosynchronous_Satellite_Launch_Vehicle

  • Aerojet 260
  • Experimental solid rocket motor

    978,062 lbf) Chamber pressure 4,100 kPa (600 psi) Specific impulse 263 s (2.58 km/s) Specific impulse, sea-level 238 s (2.33 km/s) Burn time 114 seconds

    Aerojet 260

    Aerojet 260

    Aerojet_260

  • Rocketdyne J-2
  • Rocket engine

    after the conclusion of the Apollo program. The engine produced a specific impulse (Isp) of 421 seconds (4.13 km/s) in a vacuum (or 200 seconds (2.0 km/s)

    Rocketdyne J-2

    Rocketdyne J-2

    Rocketdyne_J-2

  • Juno I
  • Four-stage American expendable launch vehicle (1958)

    additional solid fuel stages based on the Sergeant missile to provide the added impulse to achieve orbit. The fourth stage was mounted on top of the "tub" of the

    Juno I

    Juno I

    Juno_I

  • Antimatter propulsion spacecraft
  • Rockets using antimatter as their power source

    {M_{0}}{M_{1}}}} ), the velocity change ( Δ v {\displaystyle \Delta v} ) and specific impulse ( I sp {\displaystyle I_{\text{sp}}} ) no longer holds due to the mass

    Antimatter propulsion spacecraft

    Antimatter propulsion spacecraft

    Antimatter_propulsion_spacecraft

  • SpaceX Super Heavy
  • Reusable first-stage rocket developed by SpaceX

    Powered by 33 × Raptor 2 engines Maximum thrust 73.5 MN (16,500,000 lbf) Specific impulse SL: 327 s (3.21 km/s), Vac: 347 s (3.40 km/s) Burn time 166 seconds

    SpaceX Super Heavy

    SpaceX Super Heavy

    SpaceX_Super_Heavy

  • Tianlong-3
  • Orbital launch vehicle by Space Pioneer

    vacuum thrust of 1,350 kN, a vacuum specific impulse of 335 s, a sea-level thrust of 1,090 kN, a sea-level specific impulse of 285 s, a throttling range of

    Tianlong-3

    Tianlong-3

  • Pulsed rocket motor
  • Solid-fuel rocket motor that can restart

    have a different thrust level and burn time, and achieve a different specific impulse depending on the type of propellant used, its burn rate, its grain

    Pulsed rocket motor

    Pulsed_rocket_motor

  • AJ10
  • Hypergolic rocket engine manufactured by Aerojet

    uprated from 7,800 lbf (35 kN) to 8,000 lbf (36 kN), and with a higher specific impulse of 311 s (3.05 km/s). The AJ10-137 engine (20,500 lbf (91 kN) of thrust)

    AJ10

    AJ10

    AJ10

  • Soyuz-2
  • Russian medium-lift launch rocket

    redesigned injectors that improved combustion efficiency and increased specific impulse by approximately 5 seconds (0.049 km/s), as well as the new RD-0124

    Soyuz-2

    Soyuz-2

    Soyuz-2

  • Valveless pulsejet
  • Simplest known jet propulsion device

    performance Overall pressure ratio Propulsive efficiency Specific impulse Thrust Thrust lapse Thrust specific fuel consumption Thrust to weight ratio Variable

    Valveless pulsejet

    Valveless pulsejet

    Valveless_pulsejet

  • Magnetoplasmadynamic thruster
  • Form of electrically powered spacecraft propulsion

    [citation needed] As with other electric propulsion variations, both specific impulse and thrust increase with power input, while thrust per watt drops.

    Magnetoplasmadynamic thruster

    Magnetoplasmadynamic thruster

    Magnetoplasmadynamic_thruster

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  • Brill
  • Surname or Lastname

    English

    Brill

    English : habitational name from Brill in Buckinghamshire, named with the Celtic element bre- ‘hill’ + Old English hyll also ‘hill’.North German and Dutch : habitational name from any of various places in northwestern Germany and the Netherlands named Brill, from Middle Low German brūl, bröil ‘wet lowland’. Compare German Bruehl.German : from Middle Low German brill ‘eyeglasses’, hence a metonymic occupational name for a maker of spectacles or perhaps a nickname for someone who wore them.Jewish (Ashkenazic) : acronymic surname from Hebrew ben rabi ‘son of …’ and the first letter of each part of a Yiddish double male personal name, most likely Yude (Juda) Leyb. Many Ashkenazic family names beginning with Br- and Bar- are probably of acronymic origin, but without detailed evidence from family histories it is impossible to specify the personal name from which each is derived.

    Brill

  • Demers
  • Surname or Lastname

    English

    Demers

    English : patronymic from Deemer.French : habitational name apparently associated with a specific domain; the source is unclear, because of the wide range of local variants.

    Demers

  • Jenner
  • Surname or Lastname

    English (chiefly Kent and Sussex)

    Jenner

    English (chiefly Kent and Sussex) : occupational name for a designer or engineer, from a Middle English reduced form of Old French engineor ‘contriver’ (a derivative of engaigne ‘cunning’, ‘ingenuity’, ‘stratagem’, ‘device’). Engineers in the Middle Ages were primarily designers and builders of military machines, although in peacetime they might turn their hands to architecture and other more pacific functions.German : from the Latin personal name Januarius (see January 1). Jänner is a South German word for ‘January’, and so it is possible that this is one of the surnames acquired from words denoting months of the year, for example by converts who had been baptized in that month, people who were born or baptized in that month, or people whose taxes were due in January.

    Jenner

  • Prasanta
  • Boy/Male

    Indian, Sanskrit

    Prasanta

    Calmed; Pacific Sea

    Prasanta

  • Prahalathan
  • Boy/Male

    Hindu

    Prahalathan

    No specific meaning. but he was considered to be the best disciple in indian mythology

    Prahalathan

  • Hayagriv
  • Boy/Male

    Hindu

    Hayagriv

    One of krishnas incarnations. specific to education

    Hayagriv

  • Lakshya
  • Girl/Female

    Hindu, Indian, Malayalam, Marathi, Sanskrit, Sikh, Tamil

    Lakshya

    Aim; Destination; Who has a Specific Goal Everywhere; Target

    Lakshya

  • Mantasha
  • Girl/Female

    Arabic

    Mantasha

    Precious; Lord of Specific Wood

    Mantasha

  • Nyree
  • Girl/Female

    American, Australian, Christian, Nigerian

    Nyree

    Flaxen; Pacific Islander

    Nyree

  • Langford
  • Surname or Lastname

    English

    Langford

    English : habitational name from any of the numerous places named in Old English as ‘long ford’, from lang, long ‘long’ + ford ‘ford’, except for Langford in Nottinghamshire, which is named with an Old English personal name Landa or possibly land, here used in a specific sense such as ‘boundary’ or ‘district’, with the same second element.

    Langford

  • Aaveg | ஆவேக
  • Boy/Male

    Tamil

    Aaveg | ஆவேக

    Impulse

    Aaveg | ஆவேக

  • Dresser
  • Surname or Lastname

    German

    Dresser

    German : eastern variant of Drescher.English : from an agent derivative of Middle English dressen ‘to arrange’ (in certain specific senses), possibly an occupational name for someone who dressed or finished cloth. Compare Fuller.

    Dresser

  • Prahalathan | ப்ரஹலாதந
  • Boy/Male

    Tamil

    Prahalathan | ப்ரஹலாதந

    No specific meaning. but he was considered to be the best disciple in indian mythology

    Prahalathan | ப்ரஹலாதந

  • BAST
  • Female

    Egyptian

    BAST

    , impulse, motion.

    BAST

  • Aaveg
  • Boy/Male

    Indian

    Aaveg

    Impulse

    Aaveg

  • Hayagriv | ஹயாக்ரிவ
  • Boy/Male

    Tamil

    Hayagriv | ஹயாக்ரிவ

    One of krishnas incarnations. specific to education

    Hayagriv | ஹயாக்ரிவ

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Online names & meanings

  • Kushmandini
  • Girl/Female

    Hindu, Indian, Jain, Traditional

    Kushmandini

    Born from a Pumpkin

  • Osley
  • Surname or Lastname

    English

    Osley

    English : possibly a habitational name from Osterley in Middlesex, named with Old English eowestre ‘sheepfold’ + lēah ‘(woodland) clearing’.

  • Sheldrick
  • Surname or Lastname

    English (chiefly East Anglia)

    Sheldrick

    English (chiefly East Anglia) : nickname for a vain or showy person, from Middle English scheldrake, a type of brightly colored duck (from the East Anglian dialect term scheld ‘variegated’ + drake ‘male duck’).

  • Priyanj
  • Boy/Male

    Indian

    Priyanj

    Near and Dear One

  • Advaith
  • Boy/Male

    Indian

    Advaith

    Unique, No one like him, Non duality

  • Ghadia
  • Girl/Female

    Arabic, Muslim

    Ghadia

    Morning; Cloud

  • Dit
  • Boy/Male

    Hindu, Indian

    Dit

    Nice

  • Mawsil
  • Boy/Male

    Arabic, Muslim, Sindhi

    Mawsil

    Name of Hanafi Jurist of Iraq

  • Bhavisha
  • Girl/Female

    Indian

    Bhavisha

    Future, Futuristic

  • Jayasurya | ஜயஸுர்யா 
  • Boy/Male

    Tamil

    Jayasurya | ஜயஸுர்யா 

    Victorious Sun

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Other words and meanings similar to

SPECIFIC IMPULSE

AI search in online dictionary sources & meanings containing SPECIFIC IMPULSE

SPECIFIC IMPULSE

  • Specific
  • a.

    Of or pertaining to a species; characterizing or constituting a species; possessing the peculiar property or properties of a thing which constitute its species, and distinguish it from other things; as, the specific form of an animal or a plant; the specific qualities of a drug; the specific distinction between virtue and vice.

  • Specifical
  • a.

    Specific.

  • Specific
  • a.

    Anything having peculiar adaption to the purpose to which it is applied.

  • Advice
  • n.

    Counseling to perform a specific illegal act.

  • Specify
  • v. t.

    To mention or name, as a particular thing; to designate in words so as to distinguish from other things; as, to specify the uses of a plant; to specify articles purchased.

  • Specific
  • n.

    A specific remedy. See Specific, a., 3.

  • Soecificness
  • n.

    The quality or state of being specific.

  • Pacific
  • a.

    Of or pertaining to peace; suited to make or restore peace; of a peaceful character; not warlike; not quarrelsome; conciliatory; as, pacific words or acts; a pacific nature or condition.

  • Specific
  • a.

    Specifying; definite, or making definite; limited; precise; discriminating; as, a specific statement.

  • Purse
  • n.

    A specific sum of money

  • Gravimeter
  • n.

    An instrument for ascertaining the specific gravity of bodies.

  • Litraneter
  • n.

    An instrument for ascertaining the specific gravity of liquids.

  • Specifically
  • adv.

    In a specific manner.

  • Siccific
  • a.

    Causing dryness.

  • Specified
  • imp. & p. p.

    of Specify

  • Assessment
  • n.

    The specific sum levied or assessed.

  • Specific
  • a.

    Exerting a peculiar influence over any part of the body; preventing or curing disease by a peculiar adaption, and not on general principles; as, quinine is a specific medicine in cases of malaria.

  • Specifying
  • p. pr. & vb. n.

    of Specify

  • Quarter
  • v. t.

    Proper station; specific place; assigned position; special location.

  • Specificalness
  • n.

    The quality of being specific.