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  2. Fastrac (rocket engine) - Wikipedia

    en.wikipedia.org/wiki/Fastrac_(rocket_engine)

    Diameter. 1.22 m (4 ft 0 in) [3] Dry weight. less than 910 kg (2,010 lb) Fastrac was a turbo pump-fed, liquid rocket engine. The engine was designed by NASA as part of the low cost X-34 Reusable Launch Vehicle (RLV) [4] and as part of the Low Cost Booster Technology (LCBT, aka Bantam) project. [5] This engine was later known as the MC-1 engine ...

  3. Cockcroft–Walton generator - Wikipedia

    en.wikipedia.org/wiki/Cockcroft–Walton_generator

    The Cockcroft–Walton (CW) generator, or multiplier, is an electric circuit that generates a high DC voltage from a low-voltage AC or pulsing DC input. It was named after the British and Irish physicists John Douglas Cockcroft and Ernest Thomas Sinton Walton, who in 1932 used this circuit design to power their particle accelerator, performing the first artificial nuclear disintegration in ...

  4. Free-piston engine - Wikipedia

    en.wikipedia.org/wiki/Free-piston_engine

    Free-piston engine used as a gas generator to drive a turbine. A free-piston engine is a linear, 'crankless' internal combustion engine, in which the piston motion is not controlled by a crankshaft but determined by the interaction of forces from the combustion chamber gases, a rebound device (e.g., a piston in a closed cylinder) and a load device (e.g. a gas compressor or a linear alternator).

  5. Free-piston linear generator - Wikipedia

    en.wikipedia.org/wiki/Free-piston_linear_generator

    The free-piston linear generator (FPLG) uses chemical energy from fuel to drive magnets through a stator and converts this linear motion into electric energy. Because of its versatility, low weight and high efficiency, it can be used in a wide range of applications, although it is of special interest to the mobility industry as range extenders for electric vehicles.

  6. Electric generator - Wikipedia

    en.wikipedia.org/wiki/Electric_generator

    In electricity generation, a generator [1] is a device that converts motion-based power ( potential and kinetic energy) or fuel-based power ( chemical energy) into electric power for use in an external circuit. Sources of mechanical energy include steam turbines, gas turbines, water turbines, internal combustion engines, wind turbines and even ...

  7. Monte Carlo method - Wikipedia

    en.wikipedia.org/wiki/Monte_Carlo_method

    The approximation of a normal distribution with a Monte Carlo method. Monte Carlo methods, or Monte Carlo experiments, are a broad class of computational algorithms that rely on repeated random sampling to obtain numerical results. The underlying concept is to use randomness to solve problems that might be deterministic in principle.

  8. Stirling radioisotope generator - Wikipedia

    en.wikipedia.org/.../Stirling_radioisotope_generator

    A Stirling radioisotope generator ( SRG) is a type of radioisotope generator based on a Stirling engine powered by a large radioisotope heater unit. The hot end of the Stirling converter reaches high temperature and heated helium drives the piston, with heat being rejected at the cold end of the engine. A generator or alternator converts the ...

  9. Markov chain - Wikipedia

    en.wikipedia.org/wiki/Markov_chain

    v. t. e. A Markov chain or Markov process is a stochastic model describing a sequence of possible events in which the probability of each event depends only on the state attained in the previous event. Informally, this may be thought of as, "What happens next depends only on the state of affairs now ."