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  2. Series and parallel circuits - Wikipedia

    en.wikipedia.org/wiki/Series_and_parallel_circuits

    A series circuit with a voltage source (such as a battery, or in this case a cell) and three resistance units. Two-terminal components and electrical networks can be connected in series or parallel. The resulting electrical network will have two terminals, and itself can participate in a series or parallel topology.

  3. Pump as turbine - Wikipedia

    en.wikipedia.org/wiki/Pump_As_Turbine

    Conversely, a double flow radially split pump/PAT design involves a single radial open rotor fed by two symmetric inlets and enable processing a higher flow rate with respect to a standard radial unit. [9] A second type of pump/PAT design is the axial one, in which the fluid interacts with a propeller following a trajectory parallel to the pump ...

  4. Hydraulic machinery - Wikipedia

    en.wikipedia.org/wiki/Hydraulic_machinery

    The pumps vary their flow rate, pumping very little hydraulic fluid until the operator actuates a valve. The valve's spool therefore doesn't need an open center return path to tank. Multiple valves can be connected in a parallel arrangement and system pressure is equal for all valves. Open loop and closed loop circuits

  5. Charge pump - Wikipedia

    en.wikipedia.org/wiki/Charge_pump

    The Samsung Galaxy S23, which takes an input current of 3 A, can charge its internal battery packs at 6 A thanks to a 2:1 current pump. [3] Oppo's 240 W SUPERVOOC goes further and uses three charge pumps in parallel (98% claimed efficiency [4]) to go from 24V/10A to 10V/24A, which is then taken by two parallel battery packs. [5]

  6. Ladder logic - Wikipedia

    en.wikipedia.org/wiki/Ladder_logic

    When the "Run" input becomes true the seal-in "Run" NO contact in parallel with the "Start" NO contact will close maintaining the input logic true (latched or sealed-in). After the circuit is latched the "Stop" button may be pushed causing its NC contact to open and consequently the input to go false.

  7. Multiphase flow - Wikipedia

    en.wikipedia.org/wiki/Multiphase_flow

    In fluid mechanics, multiphase flow is the simultaneous flow of materials with two or more thermodynamic phases. [1] Virtually all processing technologies from cavitating pumps and turbines to paper-making and the construction of plastics involve some form of multiphase flow. It is also prevalent in many natural phenomena. [2]

  8. Series and parallel springs - Wikipedia

    en.wikipedia.org/wiki/Series_and_parallel_springs

    The following table gives formula for the spring that is equivalent to a system of two springs, in series or in parallel, whose spring constants are and . [1] The compliance c {\displaystyle c} of a spring is the reciprocal 1 / k {\displaystyle 1/k} of its spring constant.)

  9. Millman's theorem - Wikipedia

    en.wikipedia.org/wiki/Millman's_theorem

    In electrical engineering, Millman's theorem [1] (or the parallel generator theorem) is a method to simplify the solution of a circuit. Specifically, Millman's theorem is used to compute the voltage at the ends of a circuit made up of only branches in parallel. It is named after Jacob Millman, who proved the theorem.