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  2. Splitter plate (aeronautics) - Wikipedia

    en.wikipedia.org/wiki/Splitter_plate_(aeronautics)

    Splitter plate (aeronautics) A splitter plate is a component in some jet aircraft, used to control the airflow into the engine. Where the engine air intake is mounted partway back along the fuselage or under the wing, the splitter plate diverts the boundary layer away from the engine intake. It is a form of boundary layer control.

  3. Dutchman (repair) - Wikipedia

    en.wikipedia.org/wiki/Dutchman_(repair)

    A rail repair dutchman is typically a 4–6-inch (100–150 mm) long piece of rail that is cut in advance for the purpose and carried by a section crew. If the gang finds a rail with a chipped or broken end, they remove the connector plates (fishplates), cut out the damaged section, replace it with the dutchman, and bolt the connectors back in ...

  4. Railway air brake - Wikipedia

    en.wikipedia.org/wiki/Railway_air_brake

    A railway air brake is a railway brake power braking system with compressed air as the operating medium. [ 1 ] Modern trains rely upon a fail-safe air brake system that is based upon a design patented by George Westinghouse on April 13, 1869. [ 2 ] The Westinghouse Air Brake Company was subsequently organized to manufacture and sell ...

  5. Entrance length (fluid dynamics) - Wikipedia

    en.wikipedia.org/wiki/Entrance_length_(fluid...

    In fluid dynamics, the entrance length is the distance a flow travels after entering a pipe before the flow becomes fully developed. [1] Entrance length refers to the length of the entry region, the area following the pipe entrance where effects originating from the interior wall of the pipe propagate into the flow as an expanding boundary ...

  6. Gusset plate - Wikipedia

    en.wikipedia.org/wiki/Gusset_plate

    Gusset plate. In structural engineering and construction, a gusset plate is a plate for connecting beams and girders to columns. A gusset plate can be fastened to a permanent member either by bolts, rivets or welding or a combination of the three. [1] They are used in bridges and buildings, as well as other structures.

  7. Reynolds number - Wikipedia

    en.wikipedia.org/wiki/Reynolds_number

    Definition. [edit] The Reynolds number is the ratio of inertial forces to viscous forces within a fluid that is subjected to relative internal movement due to different fluid velocities. A region where these forces change behavior is known as a boundary layer, such as the bounding surface in the interior of a pipe.

  8. Boeing workers will vote on proposal that could end strike ...

    www.aol.com/finance/boeing-workers-vote-proposal...

    Around 33,000 of Boeing's unionized West Coast workers, most in Washington state, have been on strike since Sept. 13. The work stoppage has halted production of the planemaker's best-selling 737 ...

  9. Piping and plumbing fitting - Wikipedia

    en.wikipedia.org/wiki/Piping_and_plumbing_fitting

    Copper fittings for soldered joints. Pipe fittings: 1) Copper (solder); 2) Iron or brass (threaded); 3) Brass (compression); 4) Brass (compression to solder); 5) Brass adapters. PVC fittings. A fitting or adapter is used in pipe systems to connect sections of pipe (designated by nominal size, with greater tolerances of variance) or tube ...

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