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jet engines

  • 1 Griffith, Alan Arnold

    [br]
    b. 13 June 1893 London, England
    d. 13 October 1963 Farnborough, England
    [br]
    English research engineer responsible for many original ideas, including jet-lift aircraft.
    [br]
    Griffith was very much a "boffin", for he was a quiet, thoughtful man who shunned public appearances, yet he produced many revolutionary ideas. During the First World War he worked at the Royal Aircraft Factory, Farnborough, where he carried out research into structural analysis. Because of his use of soap films in solving torsion problems, he was nicknamed "Soap-bubble".
    During the 1920s Griffith carried out research into gas-turbine design at the Royal Aircraft Establishment (RAE; as the Royal Aircraft Factory had become). In 1929 he made proposals for a gas turbine driving a propeller (a turboprop), but the idea was shelved. In the 1930s he was head of the Engine Department of the RAE and developed multi-stage axial compressors, which were later used in jet engines. This work attracted the attention of E.W. (later Lord) Hives of Rolls-Royce who persuaded Griffith to join Rolls-Royce in 1939. His first major project was a "contra-flow" jet engine, which was a good idea but a practical failure. However, Griffith's axial-flow compressor experience played an important part in the success of Rolls-Royce jet engines from the Avon onwards. He also proposed the bypass principle used for the Conway.
    Griffith experimented with suction to control the boundary layer on wings, but his main interest in the 1950s centred on vertical-take-off and -landing aircraft. He developed the remarkable "flying bedstead", which consisted of a framework (the bedstead) in which two jet engines were mounted with their jets pointing downwards, thus lifting the machine vertically. It first flew in 1954 and provided much valuable data. The Short SC1 aircraft followed, with four small jets providing lift for vertical take-off and one conventional jet to provide forward propulsion. This flew successfully in the late 1950s and early 1960s. Griffith proposed an airliner with lifting engines, but the weight of the lifting engines when not in use would have been a serious handicap. He retired in 1960.
    [br]
    Principal Honours and Distinctions
    CBE 1948. FRS 1941. Royal Aeronautical Society Silver Medal 1955; Blériot Medal 1962.
    Bibliography
    Griffith produced many technical papers in his early days; for example: 1926, Aerodynamic Theory of Turbine Design, Farnborough.
    Further Reading
    D.Eyre, 1966, "Dr A.A.Griffith, CBE, FRS", Journal of the Royal Aeronautical Society (June) (a detailed obituary).
    F.W.Armstrong, 1976, "The aero engine and its progress: fifty years after Griffith", Aeronautical Journal (December).
    O.Stewart, 1966, Aviation: The Creative Ideas, London (provides brief descriptions of Griffith's many projects).
    JDS

    Biographical history of technology > Griffith, Alan Arnold

  • 2 avión de caza

    (n.) = military jet, fighter plane, fighter jet
    Ex. All of a sudden we heard the roar of jet engines and looked up to see two military jets lifting off the runway in hot pursuit of this object.
    Ex. Some fighter planes have two vertical stabilizers and rudders because of the need to control the plane with multiple, very powerful engines.
    Ex. For this to occur, an air corridor would be needed that Israeli fighter jets could cross without being targeted by anti-aircraft missiles.
    * * *
    (n.) = military jet, fighter plane, fighter jet

    Ex: All of a sudden we heard the roar of jet engines and looked up to see two military jets lifting off the runway in hot pursuit of this object.

    Ex: Some fighter planes have two vertical stabilizers and rudders because of the need to control the plane with multiple, very powerful engines.
    Ex: For this to occur, an air corridor would be needed that Israeli fighter jets could cross without being targeted by anti-aircraft missiles.

    Spanish-English dictionary > avión de caza

  • 3 реактивен двигател

    ав.
    jet
    jet-propulsion motor
    jet-propulsion motors
    jet-propulsion unit
    jet-propulsion units
    jet engine
    jet engines
    jet motor
    jet motors
    jet propulsion
    reaction engine
    reaction engines
    thrust unit
    thrust units
    thrust device
    thrust devices

    Български-Angleščina политехнически речник > реактивен двигател

  • 4 de Havilland, Sir Geoffrey

    SUBJECT AREA: Aerospace
    [br]
    b. 27 July 1882 High Wycombe, Buckinghamshire, England
    d. 21 May 1965 Stanmore, Middlesex, England
    [br]
    English designer of some eighty aircraft from 1909 onwards.
    [br]
    Geoffrey de Havilland started experimenting with aircraft and engines of his own design in 1908. In the following year, with the help of his friend Frank Hearle, he built and flew his first aircraft; it crashed on its first flight. The second aircraft used the same engine and made its first flight on 10 September 1910, and enabled de Havilland to teach himself to fly. From 1910 to 1914 he was employed at Farnborough, where in 1912 the Royal Aircraft Factory was established. As Chief Designer and Chief Test Pilot he was responsible for the BE 2, which was the first British military aircraft to land in France in 1914.
    In May 1914 de Havilland went to work for George Holt Thomas, whose Aircraft Manufacturing Company Ltd (Airco) of Hendon was expanding to design and build aircraft of its own design. However, because de Havilland was a member of the Royal Flying Corps Reserve, he had to report for duty when war broke out in August. His value as a designer was recognized and he was transferred back to Airco, where he designed eight aircraft in four years. Of these, the DH 2, DH 4, DH 5, DH 6 and DH 9 were produced in large numbers, and a modified DH 4A operated the first British cross- Channel air service in 1919.
    On 25 September 1920 de Havilland founded his own company, the De Havilland Aircraft Company Ltd, at Stag Lane near Edgware, London. During the 1920s and 1930s de Havilland concentrated on civil aircraft and produced the very successful Moth series of small biplanes and monoplanes, as well as the Dragon, Dragon Rapide, Albatross and Flamingo airliners. In 1930 a new site was acquired at Hatfield, Hertfordshire, and by 1934 a modern factory with a large airfield had been established. His Comet racer won the England-Australia air race in 1934 using de Havilland engines. By this time the company had established very successful engine and propeller divisions. The Comet used a wooden stressed-skin construction which de Havilland developed and used for one of the outstanding aircraft of the Second World War: the Mosquito. The de Havilland Engine Company started work on jet engines in 1941 and their Goblin engine powered the Vampire jet fighter first flown by Geoffrey de Havilland Jr in 1943. Unfortunately, Geoffrey Jr and his brother John were both killed in flying accidents. The Comet jet airliner first flew in 1949 and the Trident in 1962, although by 1959 the De Havilland Company had been absorbed into Hawker Siddeley Aviation.
    [br]
    Principal Honours and Distinctions
    Knight Bachelor 1944. Order of Merit 1962. CBE 1934. Air Force Cross 1919. (A full list is contained in R.M.Clarkson's paper (see below)).
    Bibliography
    1961, Sky Fever, London; repub. 1979, Shrewsbury (autobiography).
    Further Reading
    R.M.Clarkson, 1967, "Geoffrey de Havilland 1882–1965", Journal of the Royal Aeronautical Society (February) (a concise account of de Havilland, his achievements and honours).
    C.M.Sharp, 1960, D.H.—An Outline of de Havilland History, London (mostly a history of the company).
    A.J.Jackson, 1962, De Havilland Aircraft since 1915, London.
    JDS

    Biographical history of technology > de Havilland, Sir Geoffrey

  • 5 motor a chorro

    (n.) = jet engine
    Ex. All of a sudden we heard the roar of jet engines and looked up to see two military jets lifting off the runway in hot pursuit of this object.
    * * *
    (n.) = jet engine

    Ex: All of a sudden we heard the roar of jet engines and looked up to see two military jets lifting off the runway in hot pursuit of this object.

    Spanish-English dictionary > motor a chorro

  • 6 motor a reacción

    (n.) = jet engine
    Ex. All of a sudden we heard the roar of jet engines and looked up to see two military jets lifting off the runway in hot pursuit of this object.
    * * *
    (n.) = jet engine

    Ex: All of a sudden we heard the roar of jet engines and looked up to see two military jets lifting off the runway in hot pursuit of this object.

    Spanish-English dictionary > motor a reacción

  • 7 motor de propulsión a chorro

    (n.) = jet engine
    Ex. All of a sudden we heard the roar of jet engines and looked up to see two military jets lifting off the runway in hot pursuit of this object.
    * * *
    (n.) = jet engine

    Ex: All of a sudden we heard the roar of jet engines and looked up to see two military jets lifting off the runway in hot pursuit of this object.

    Spanish-English dictionary > motor de propulsión a chorro

  • 8 двуконтурен турбореактивен двигател

    by-pass jet engine
    by-pass jet engines
    double-flow engine
    double-flow engines
    turbofan engine
    turbofan engines

    Български-Angleščina политехнически речник > двуконтурен турбореактивен двигател

  • 9 Baumann, Karl

    [br]
    b. 18 April 1884 Switzerland
    d. 14 July 1971 Ilkley, Yorkshire
    [br]
    Swiss/British mechanical engineer, designer and developer of steam and gas turbine plant.
    [br]
    After leaving school in 1902, he went to the Ecole Polytechnique, Zurich, leaving in 1906 with an engineering diploma. He then spent a year with Professor A.Stodola, working on steam engines, turbines and internal combustion engines. He also conducted research in the strength of materials. After this, he spent two years as Research and Design Engineer at the Nuremberg works of Maschinenfabrik Augsburg-Nürnberg. He came to England in 1909 to join the British Westinghouse Co. Ltd in Manchester, and by 1912 was Chief Engineer of the Engine Department of that firm. The firm later became the Metropolitan-Vickers Electrical Co. Ltd (MV), and Baumann rose from Chief Mechanical Engineer through to, by 1929, Special Director and Member of the Executive Management Board; he remained a director until his retirement in 1949.
    For much of his career, Baumann was in the forefront of power station steam-cycle development, pioneering increased turbine entry pressures and temperatures, in 1916 introducing multi-stage regenerative feed-water heating and the Baumann turbine multi-exhaust. His 105 MW set for Battersea "A" station (1933) was for many years the largest single-axis unit in Europe. From 1938 on, he and his team were responsible for the first axial-flow aircraft propulsion gas turbines to fly in England, and jet engines in the 1990s owe much to the "Beryl" and "Sapphire" engines produced by MV. In particular, the design of the compressor for the Sapphire engine later became the basis for Rolls-Royce units, after an exchange of information between that company and Armstrong-Siddeley, who had previously taken over the aircraft engine work of MV.Further, the Beryl engine formed the basis of "Gatric", the first marine gas turbine propulsion engine.
    Baumann was elected to full membership for the Institution of Mechanical Engineers in 1929 and a year later was awarded the Thomas Hawksley Gold Medal by that body, followed by their James Clayton Prize in 1948: in the same year he became the thirty-fifth Thomas Hawksley lecturer. Many of his ideas and introductions have stood the test of time, being based on his deep and wide understanding of fundamentals.
    JB

    Biographical history of technology > Baumann, Karl

  • 10 bramido

    m.
    1 bellow.
    2 roar.
    4 bellowing, roaring, bellow, roar.
    5 trumpeting, trumpet.
    * * *
    1 (de toro, ciervo) bellow
    * * *
    noun m.
    * * *
    SM [de toro, elefante] bellow, bellowing; [de león] roar, roaring
    * * *
    a) ( del toro) bellowing, roaring; ( del ciervo) bellowing, bell; ( del elefante) trumpeting

    dio un bramido — it bellowed/trumpeted

    b) (liter) (del viento, mar) roaring
    * * *
    = roar, growl.
    Ex. All of a sudden we heard the roar of jet engines and looked up to see two military jets lifting off the runway in hot pursuit of this object.
    Ex. The dog sat at the bedside, now eyeing his master with a wistful look, and now pricking his ears, and uttering a low growl.
    * * *
    a) ( del toro) bellowing, roaring; ( del ciervo) bellowing, bell; ( del elefante) trumpeting

    dio un bramido — it bellowed/trumpeted

    b) (liter) (del viento, mar) roaring
    * * *
    = roar, growl.

    Ex: All of a sudden we heard the roar of jet engines and looked up to see two military jets lifting off the runway in hot pursuit of this object.

    Ex: The dog sat at the bedside, now eyeing his master with a wistful look, and now pricking his ears, and uttering a low growl.

    * * *
    1 (del toro) bellowing, roaring; (del ciervo) bellowing, bell; (del elefante) trumpeting
    dio un bramido it bellowed o roared/trumpeted
    2 ( liter) (del viento) howling, roaring; (del mar) roaring
    entró dando bramidos de furia he came in bellowing angrily
    * * *

    bramido sustantivo masculino (de toro, ciervo) bellowing;
    ( de elefante) trumpeting;
    ◊ dio un bramido it bellowed/trumpeted

    bramido sustantivo masculino
    1 lowing, bellow
    2 (grito) roar, bellow
    (sonido del mar, del viento) roar, howl

    ' bramido' also found in these entries:
    English:
    roar
    * * *
    1. [de animal] bellow
    2. [de persona] [de dolor] groan;
    [de ira] roar;
    dar un bramido de cólera to give a furious roar
    3. [del viento] howling;
    [del mar] roar
    * * *
    m roar, bellow
    * * *
    : bellowing, roar
    * * *
    bramido n bellow

    Spanish-English dictionary > bramido

  • 11 buscando como loco

    Ex. All of a sudden we heard the roar of jet engines and looked up to see two military jets lifting off the runway in hot pursuit of this object.
    * * *

    Ex: All of a sudden we heard the roar of jet engines and looked up to see two military jets lifting off the runway in hot pursuit of this object.

    Spanish-English dictionary > buscando como loco

  • 12 clamor

    m.
    clamor.
    * * *
    1 (griterío) shouting, din, noise
    2 (voces de protesta o queja) clamour (US clamor), outcry
    3 (toque de campanas) knell, toll
    * * *
    SM
    1) (=griterío) clamour, clamor (EEUU), roar

    el clamor de los espectadores — the clamour o roar of the spectators

    2) (=protesta) outcry
    3) [de campana] toll
    * * *
    masculino clamor*
    * * *
    = clamour [clamor, -USA], roar.
    Ex. The cathedral-like hush contrasted strangely with the clamor and movement outside.
    Ex. All of a sudden we heard the roar of jet engines and looked up to see two military jets lifting off the runway in hot pursuit of this object.
    * * *
    masculino clamor*
    * * *
    = clamour [clamor, -USA], roar.

    Ex: The cathedral-like hush contrasted strangely with the clamor and movement outside.

    Ex: All of a sudden we heard the roar of jet engines and looked up to see two military jets lifting off the runway in hot pursuit of this object.

    * * *
    clamor*
    el clamor de la multitud the clamor o roar of the crowd
    el clamor de los aplausos llenaba el teatro thunderous applause filled the theater
    * * *

    clamor sustantivo masculino
    clamor( conjugate clamor)
    clamor sustantivo masculino clamour, US clamor
    ' clamor' also found in these entries:
    Spanish:
    clamar
    - griterío
    - vocerío
    English:
    clamor
    - clamour
    - roar
    - quieten
    * * *
    clamor nm
    clamour;
    un clamor de voces pedía la dimisión del presidente a chorus of voices called on the president to resign;
    hay un clamor popular en favor de la subida de las pensiones people are clamouring for an increase in pensions
    * * *
    m roar; fig
    clamor, Br
    clamour
    * * *
    clamor nm
    : clamor, outcry

    Spanish-English dictionary > clamor

  • 13 crepitación

    f.
    1 crepitation, crackling.
    2 crepitation, crackle, rale, crepitus.
    3 crepitus, articular crepitus, scratching sound in a rough joint.
    4 crepitus, bony crepitus, scratching sound made by a broken bone.
    * * *
    SF [de leño] crackling; [de bacon] sizzling
    * * *
    femenino crackling
    * * *
    = roar.
    Ex. All of a sudden we heard the roar of jet engines and looked up to see two military jets lifting off the runway in hot pursuit of this object.
    * * *
    femenino crackling
    * * *
    = roar.

    Ex: All of a sudden we heard the roar of jet engines and looked up to see two military jets lifting off the runway in hot pursuit of this object.

    * * *
    crackling
    * * *
    [chasquido] crackling; [de huesos] crepitus
    * * *
    f crackling

    Spanish-English dictionary > crepitación

  • 14 estruendo

    m.
    1 din, roar (ruido).
    2 uproar, tumult (alboroto).
    3 rumbling, blare, clang, clash.
    * * *
    1 (ruido) great noise, din
    2 (confusión) uproar, tumult
    3 figurado (pompa) pomp, ostentation
    * * *
    SM
    1) (=ruido) din
    2) (=alboroto) uproar, turmoil
    3) (=pompa) pomp
    * * *
    masculino ( de las olas) roar; (de cascada, tráfico) thunder, roar; ( de maquinaria) din
    * * *
    = rumble, detonation, roar.
    Ex. Deep in the rugged coal fields of West Virginia, the rumble of a steam locomotive mingles with the sound of the New River crashing through its steep rocky gorge.
    Ex. In a true detonation, a shock wave passess through a mass destabilizing it and causing it to disintegrate.
    Ex. All of a sudden we heard the roar of jet engines and looked up to see two military jets lifting off the runway in hot pursuit of this object.
    * * *
    masculino ( de las olas) roar; (de cascada, tráfico) thunder, roar; ( de maquinaria) din
    * * *
    = rumble, detonation, roar.

    Ex: Deep in the rugged coal fields of West Virginia, the rumble of a steam locomotive mingles with the sound of the New River crashing through its steep rocky gorge.

    Ex: In a true detonation, a shock wave passess through a mass destabilizing it and causing it to disintegrate.
    Ex: All of a sudden we heard the roar of jet engines and looked up to see two military jets lifting off the runway in hot pursuit of this object.

    * * *
    el derrumbamiento causó un gran estruendo the building came down with a great crash
    el estruendo del tráfico y de la maquinaria the thunder o din of the traffic and the machinery
    * * *

    estruendo sustantivo masculino ( de las olas) roar;
    (de cascada, tráfico) thunder, roar;
    ( de maquinaria) din
    estruendo sustantivo masculino roar, racket: cuando salió el equipo, se levantó un gran estruendo en el estadio, when the team came onto the field, a great roar filled the stadium
    ' estruendo' also found in these entries:
    Spanish:
    estampida
    English:
    bang
    - boom
    - din
    - roar
    - rumble
    - thunder
    - crack
    - smash
    * * *
    1. [ruido] din, roar;
    [de trueno] crash; [de explosión] roar, boom;
    las obras producían gran estruendo the building work was causing a huge din
    2. [alboroto] uproar, tumult
    * * *
    m racket, din
    * * *
    estrépito: racket, din, roar
    * * *
    1. (ruido) loud noise
    2. (alboroto) racket / din

    Spanish-English dictionary > estruendo

  • 15 fragor

    m.
    1 clamor.
    2 rumble, din, noise, great noise.
    * * *
    1 din, roar (de trueno) crash
    * * *
    noun m.
    roar, noise
    * * *
    SM [gen] din, clamour, clamor (EEUU); [de trueno] crash, clash; [de máquina] roar
    * * *
    masculino (liter) clamor* (liter)
    * * *
    = roar.
    Ex. All of a sudden we heard the roar of jet engines and looked up to see two military jets lifting off the runway in hot pursuit of this object.
    * * *
    masculino (liter) clamor* (liter)
    * * *
    = roar.

    Ex: All of a sudden we heard the roar of jet engines and looked up to see two military jets lifting off the runway in hot pursuit of this object.

    * * *
    clamor* ( liter)
    el fragor de la batalla the din o clamor of battle
    el fragor del oleaje the roar o thundering of the waves
    * * *

    fragor sustantivo masculino din: se olvidó su sombrero en el fragor de la discusión, she forgot her hat in the heat of the argument
    * * *
    fragor nm
    [de batalla] clamour; [de trueno] crash; [de tormenta] roar, raging
    * * *
    m clamor, Br
    clamour, din
    * * *
    fragor nm
    : clamor, din, roar

    Spanish-English dictionary > fragor

  • 16 persiguiendo sin tregua

    Ex. All of a sudden we heard the roar of jet engines and looked up to see two military jets lifting off the runway in hot pursuit of this object.
    * * *

    Ex: All of a sudden we heard the roar of jet engines and looked up to see two military jets lifting off the runway in hot pursuit of this object.

    Spanish-English dictionary > persiguiendo sin tregua

  • 17 pista de aterrizaje

    (en aeropuerto) runway 2 (improvisado) landing strip
    * * *
    * * *
    runway, landing strip
    * * *
    (n.) = landing field, landing strip, runway, airstrip
    Ex. The 37 relief projects involved the building of aerodrome, landing fields, barracks, a training camp, and a land-clearing project.
    Ex. As Klaus's acute observations are unhampered by romantic ideals, his eye catches the plastic trash by the roadway as well as the colors of moss on the landing strip.
    Ex. All of a sudden we heard the roar of jet engines and looked up to see two military jets lifting off the runway in hot pursuit of this object.
    Ex. Colombian government reported seizing tons of cocaine in drug bust this weekend showing drug cache and jungle airstrips.
    * * *
    runway, landing strip
    * * *
    (n.) = landing field, landing strip, runway, airstrip

    Ex: The 37 relief projects involved the building of aerodrome, landing fields, barracks, a training camp, and a land-clearing project.

    Ex: As Klaus's acute observations are unhampered by romantic ideals, his eye catches the plastic trash by the roadway as well as the colors of moss on the landing strip.
    Ex: All of a sudden we heard the roar of jet engines and looked up to see two military jets lifting off the runway in hot pursuit of this object.
    Ex: Colombian government reported seizing tons of cocaine in drug bust this weekend showing drug cache and jungle airstrips.

    * * *
    AVIA runway

    Spanish-English dictionary > pista de aterrizaje

  • 18 pista de despegue

    runway
    * * *
    (n.) = runway
    Ex. All of a sudden we heard the roar of jet engines and looked up to see two military jets lifting off the runway in hot pursuit of this object.
    * * *
    (n.) = runway

    Ex: All of a sudden we heard the roar of jet engines and looked up to see two military jets lifting off the runway in hot pursuit of this object.

    * * *
    AVIA runway

    Spanish-English dictionary > pista de despegue

  • 19 pisándole los talones a Alguien

    Ex. All of a sudden we heard the roar of jet engines and looked up to see two military jets lifting off the runway in hot pursuit of this object.
    * * *

    Ex: All of a sudden we heard the roar of jet engines and looked up to see two military jets lifting off the runway in hot pursuit of this object.

    Spanish-English dictionary > pisándole los talones a Alguien

  • 20 rugido

    m.
    roar.
    past part.
    past participle of spanish verb: rugir.
    * * *
    1 roar, bellow (del viento) howl; (de tripas) rumbling
    * * *
    noun m.
    * * *
    SM roar

    rugido de dolor — howl o roar of pain

    rugido de tripas — stomach rumblings pl, collywobbles * pl

    * * *
    masculino roar
    * * *
    = roar, growl.
    Ex. All of a sudden we heard the roar of jet engines and looked up to see two military jets lifting off the runway in hot pursuit of this object.
    Ex. The dog sat at the bedside, now eyeing his master with a wistful look, and now pricking his ears, and uttering a low growl.
    * * *
    masculino roar
    * * *
    = roar, growl.

    Ex: All of a sudden we heard the roar of jet engines and looked up to see two military jets lifting off the runway in hot pursuit of this object.

    Ex: The dog sat at the bedside, now eyeing his master with a wistful look, and now pricking his ears, and uttering a low growl.

    * * *
    lanzó un rugido it roared, it let out a roar
    2 (del mar) roar; (del viento) roar, roaring
    * * *

    Del verbo rugir: ( conjugate rugir)

    rugido es:

    el participio

    Multiple Entries:
    rugido    
    rugir
    rugido sustantivo masculino
    roar
    rugir ( conjugate rugir) verbo intransitivo [león/mar/viento] to roar
    rugido sustantivo masculino
    1 (de un animal, persona, multitud) roar
    2 (del viento, etc) howl, roaring
    3 familiar (de tripas) rumbling
    rugir verbo intransitivo
    1 (un animal) to roar
    2 (el viento, etc) to howl, roar
    3 fam (las tripas) to rumble
    ' rugido' also found in these entries:
    English:
    growl
    - roar
    * * *
    rugido nm
    1. [de animal] roar;
    oímos el rugido de un león we heard a lion roar
    2. Literario [de mar, viento] roar, roaring;
    el rugido del viento era ensordecedor the roaring of the wind was deafening
    3. [de persona] bellow;
    dar un rugido to bellow
    4. [de tripas] rumble
    * * *
    m de león roar; de estómago rumble, growl
    * * *
    rugido nm
    : roar
    * * *
    rugido n roar

    Spanish-English dictionary > rugido

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  • jet engine — an engine, as an aircraft engine, that produces forward motion by the rearward exhaust of a jet of fluid or heated air and gases. Also called jet, jet motor. [1940 45] * * * Any of a class of internal combustion engines that propel aircraft by… …   Universalium

  • Jet airliner — A jet airliner, sometimes contracted to jetliner, is a passenger airplane (passenger aeroplane) that is powered by jet engines. In contrast to today s long distance quiet, fuel efficient, and modern turbofan powered air travel, first generation… …   Wikipedia

  • Jet engine performance — This article describes how jet engine performance is estimated during the design phase. Similar techniques are used once the engine has been built and is being tested, except the performance of individual components, rather than being assumed, is …   Wikipedia

  • Jet aircraft — A jet aircraft is an aircraft propelled by jet engines. Jet aircraft fly much faster than propeller powered aircraft and at higher altitudes as high as 10,000 to 15,000 meters, about 33,000 to convert|49000|ft|m| 2. At these altitudes, jet… …   Wikipedia

  • jet plane — noun an airplane powered by one or more jet engines (Freq. 1) • Syn: ↑jet, ↑jet propelled plane • Derivationally related forms: ↑jet (for: ↑jet) • Hypernyms …   Useful english dictionary

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