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  2. Honeywell TPE331 - Wikipedia

    en.wikipedia.org/wiki/Honeywell_TPE331

    The 715 shp TPE331-6 used in the Beech King Air B100 have a 400-hr. fuel nozzle cleaning interval, 1,800-hr. hot section inspection interval and a 5,400-hr. time between overhaul; approval is possible for 3,000-hr. HSIs and 6,000-hr. overhauls and engine reserves are cheaper than for the PT6A.

  3. Bypass ratio - Wikipedia

    en.wikipedia.org/wiki/Bypass_ratio

    The bypass ratio (BPR) of a turbofan engine is the ratio between the mass flow rate of the bypass stream to the mass flow rate entering the core. [1] A 10:1 bypass ratio, for example, means that 10 kg of air passes through the bypass duct for every 1 kg of air passing through the core.

  4. Convection oven - Wikipedia

    en.wikipedia.org/wiki/Convection_oven

    A convection oven (also known as a fan-assisted oven, turbo broiler or simply a fan oven or turbo) is an oven that has fans to circulate air around food [1] to create an evenly heated environment. In an oven without a fan, natural convection circulates hot air unevenly, so that it will be cooler at the bottom and hotter at the top than in the ...

  5. The 6 best air purifier deals — including a fan favorite with ...

    www.aol.com/lifestyle/air-purifier-11-000-5...

    Coming in with over 18,000 five-star reviews on Amazon is the Coway Airmega AP-1512HH (aka the Coway Mighty). There is good reason for its popularity. Its four-stage filtration system can capture ...

  6. Turbofan - Wikipedia

    en.wikipedia.org/wiki/Turbofan

    The shaped edges smooth the mixing of hot air from the engine core and cooler air flowing through the engine fan, which reduces noise-creating turbulence. [37] Chevrons were developed by GE under a NASA contract. [31] Some notable examples of such designs are Boeing 787 and Boeing 747-8 – on the Rolls-Royce Trent 1000 and General Electric ...

  7. Turbomolecular pump - Wikipedia

    en.wikipedia.org/wiki/Turbomolecular_pump

    Interior view of a turbomolecular pump. A turbomolecular pump is a type of vacuum pump, superficially similar to a turbopump, used to obtain and maintain high vacuum. [1] [2] These pumps work on the principle that gas molecules can be given momentum in a desired direction by repeated collision with a moving solid surface.

  8. Minimum efficiency reporting value - Wikipedia

    en.wikipedia.org/wiki/Minimum_Efficiency...

    The MERV scale is designed to represent the worst-case performance of a filter when dealing with particles in the range of 0.3 to 10 micrometers. The MERV value is from 1 to 16. Higher MERV values correspond to a greater percentage of particles captured on each pass, with a MERV 16 filter capturing more than 95% of particles over the full range.

  9. Turbocharger - Wikipedia

    en.wikipedia.org/wiki/Turbocharger

    In an internal combustion engine, a turbocharger (also known as a turbo or a turbosupercharger) is a forced induction device that is powered by the flow of exhaust gases. It uses this energy to compress the intake air, forcing more air into the engine in order to produce more power for a given displacement. [1] [2]