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  2. Hydraulic jumps in rectangular channels - Wikipedia

    en.wikipedia.org/wiki/Hydraulic_Jumps_in...

    Hydraulic jump in a rectangular channel, also known as classical jump, is a natural phenomenon that occurs whenever flow changes from supercritical to subcritical flow. In this transition, the water surface rises abruptly, surface rollers are formed, intense mixing occurs, air is entrained, and often a large amount of energy is dissipated.

  3. Vacuum tube - Wikipedia

    en.wikipedia.org/wiki/Vacuum_tube

    The X-ray tube is a type of cathode-ray tube that generates X-rays when high voltage electrons hit the anode. [88] [89] Gyrotrons or vacuum masers, used to generate high-power millimeter band waves, are magnetic vacuum tubes in which a small relativistic effect, due to the high voltage, is used for bunching the electrons.

  4. GM 10.5-inch 14-bolt differential - Wikipedia

    en.wikipedia.org/wiki/GM_10.5-inch_14-bolt...

    The GM 10.5" 14-bolt differential stands as a robust drivetrain component extensively featured in Chevrolet and GMC trucks, SUVs, and vans from 1973 onward, including specific versions of the Cadillac Escalade. [1]

  5. Straight-five engine - Wikipedia

    en.wikipedia.org/wiki/Straight-five_engine

    Animation of the 1-2-4-5-3 firing order MAN B&W 5S50MC 1,865 litre marine diesel engine. Straight-five engines are typically shorter than straight-six engines, making them easier to fit transversely in an engine bay. [1]

  6. Mach number - Wikipedia

    en.wikipedia.org/wiki/Mach_number

    The X-15, at Mach 6.72, is one of the fastest manned aircraft. Cooled nickel-titanium skin; highly integrated (due to domination of interference effects: non-linear behaviour means that superposition of results for separate components is invalid), small wings, such as those on the Mach 5 X-51A Waverider. High-hypersonic 10.0–25.0 6,615–16,537

  7. List of chemical elements - Wikipedia

    en.wikipedia.org/wiki/List_of_chemical_elements

    118 chemical elements have been identified and named officially by IUPAC.A chemical element, often simply called an element, is a type of atom which has a specific number of protons in its atomic nucleus (i.e., a specific atomic number, or Z).