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  2. Vacuum - Wikipedia

    en.wikipedia.org/wiki/Vacuum

    Atmospheric pressure is variable but 101.325 and 100 kilopascals (1013.25 and 1000.00 mbar) are common standard or reference pressures. Deep space is generally much more empty than any artificial vacuum. It may or may not meet the definition of high vacuum above, depending on what region of space and astronomical bodies are being considered.

  3. New product development - Wikipedia

    en.wikipedia.org/wiki/New_product_development

    New product development (NPD) or product development in business and engineering covers the complete process of launching a new product to the market. Product development also includes the renewal of an existing product and introducing a product into a new market. A central aspect of NPD is product design.

  4. Minimum viable product - Wikipedia

    en.wikipedia.org/wiki/Minimum_viable_product

    "The minimum viable product is that version of a new product a team uses to collect the maximum amount of validated learning about customers with the least effort." [2] The definition's use of the words maximum and minimum means it is not formulaic. It requires judgment to figure out, for any given context, what MVP makes sense.

  5. Vacuum distillation - Wikipedia

    en.wikipedia.org/wiki/Vacuum_distillation

    Vacuum distillation or distillation under reduced pressure is a type of distillation performed under reduced pressure, which allows the purification of compounds not readily distilled at ambient pressures or simply to save time or energy. This technique separates compounds based on differences in their boiling points.

  6. Lean product development - Wikipedia

    en.wikipedia.org/wiki/Lean_product_development

    The application of Lean in product development and manufacturing are different. Some aspects may look similar, but they are not! Be wary of an expert with experience in lean manufacturing who claims to know product development." [7] The most common high-level concepts associated with lean product development are: Creation of re-usable knowledge ...

  7. Fluid power - Wikipedia

    en.wikipedia.org/wiki/Fluid_power

    A fluid power system has a pump driven by a prime mover (such as an electric motor or internal combustion engine) that converts mechanical energy into fluid energy, Pressurized fluid is controlled and directed by valves into an actuator device such as a hydraulic cylinder or pneumatic cylinder, to provide linear motion, or a hydraulic motor or pneumatic motor, to provide rotary motion or torque.

  8. 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 layer.

  9. Relief valve - Wikipedia

    en.wikipedia.org/wiki/Relief_valve

    A relief valve DN25 on cooling water pipe from heat exchanger Schematic diagram of a conventional spring-loaded pressure relief valve. A relief valve or pressure relief valve (PRV) is a type of safety valve used to control or limit the pressure in a system; excessive pressure might otherwise build up and create a process upset, instrument or equipment failure, explosion, or fire.