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  2. Annular lift fan aircraft - Wikipedia

    en.wikipedia.org/wiki/Annular_lift_fan_aircraft

    The annular lift fan concept uses two parallel annular fans counter-rotating about the central fuselage.(see plan view) The two fans are incorporated in an annular duct, separated by a baffle, but coupled by the gears in the baffle to counter-rotate and eliminate torque. During VTOL, the outer fan is driven pneumatically or mechanically by the ...

  3. Comparison of open-source configuration management software

    en.wikipedia.org/wiki/Comparison_of_open-source...

    A more restricted language is also available which works without needing Consfigurator to be installed on the target. Remote configuration is also supported: the of hosts can be defined with scheme code. Guix Guix integrates many things in the same tool (a distribution, package manager, configuration management tool, container environment, etc).

  4. Lift fan - Wikipedia

    en.wikipedia.org/wiki/Lift_fan

    Lift fan is an aircraft configuration in which lifting fans are located in large holes in an otherwise conventional fixed wing [1] or fuselage. It is used for V/STOL operation. The aircraft takes off using the fans to provide lift, then transitions to fixed-wing lift in forward flight.

  5. Salt (software) - Wikipedia

    en.wikipedia.org/wiki/Salt_(software)

    The renderer system is what makes it possible to represent Salt's configuration management data in any serializable format. [ 9 ] Returners : the remote execution calls made by Salt are detached from the calling system; this allows the return information generated by the remote execution to be returned to an arbitrary location.

  6. Rolls-Royce LiftSystem - Wikipedia

    en.wikipedia.org/wiki/Rolls-Royce_LiftSystem

    the rear of the F135 engine (nozzle rotated down) that powers the Rolls-Royce LiftSystem. Instead of using separate lift engines, like the Yakovlev Yak-38, or rotating nozzles for engine bypass air, like the Harrier, the "LiftSystem" has a shaft-driven LiftFan, designed by Lockheed Martin and developed by Rolls-Royce, [3] and a thrust vectoring nozzle for the engine exhaust that provides lift ...

  7. Axial fan design - Wikipedia

    en.wikipedia.org/wiki/Axial_fan_design

    An axial fan is a type of fan that causes gas to flow through it in an axial direction, parallel to the shaft about which the blades rotate. The flow is axial at entry and exit. The fan is designed to produce a pressure difference, and hence force, to cause a flow through the fan. Factors which determine the performance of the fan include the ...

  8. ACPI - Wikipedia

    en.wikipedia.org/wiki/ACPI

    Advanced Configuration and Power Interface (ACPI) is an open standard that operating systems can use to discover and configure computer hardware components, to perform power management (e.g. putting unused hardware components to sleep), auto configuration (e.g. Plug and Play and hot swapping), and status monitoring.

  9. Baseline (configuration management) - Wikipedia

    en.wikipedia.org/wiki/Baseline_(configuration...

    In the process of performing configuration management, configuration items (or work products) may be assigned a baseline so as to establish them as having a certain status. In this sense, to baseline a work product may require certain change(s) to the work product to ensure it conforms to the characteristics associated with the baseline referenced.