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2. Roots blower - Wikipedia

   en.wikipedia.org/wiki/Roots_blower

   An Eaton M62 Roots-type supercharger is visible at the front of this Ecotec LSJ engine in a 2006 Saturn Ion Red Line.. The Roots-type blower is simple and widely used. It can be more effective than alternative superchargers at developing positive intake manifold pressure (i.e., above atmospheric pressure) at low engine speeds, making it a popular choice for passenger automobile applications.

3. Airbreathing jet engine - Wikipedia

   en.wikipedia.org/wiki/Airbreathing_jet_engine

   Compression may be provided by a gas turbine, as in the original turbojet and newer turbofan, [3] [4] or arise solely from the ram pressure of the vehicle's velocity, as with the ramjet and pulsejet. [5] All practical airbreathing jet engines heat the air by burning fuel. [1] Alternatively a heat exchanger may be used, as in a nuclear-powered ...

4. Blue Origin - Wikipedia

   en.wikipedia.org/wiki/Blue_Origin

   Blue Engine 2, or BE-2, was a pump-fed bipropellant engine burning kerosene and peroxide which produced 140 kN (31,000 lbf) of thrust. [ 138 ] [ 139 ] Five BE-2 engines powered the company's PM-2 development vehicle on two test flights in 2011.

5. Pulsatile flow - Wikipedia

   en.wikipedia.org/wiki/Pulsatile_flow

   In fluid dynamics, a flow with periodic variations is known as pulsatile flow, or as Womersley flow.The flow profiles was first derived by John R. Womersley (1907–1958) in his work with blood flow in arteries. [1]

6. HEPA - Wikipedia

   en.wikipedia.org/wiki/HEPA

   HEPA filters are designed to arrest very fine particles effectively, but they do not filter out gasses and odor molecules. Circumstances requiring filtration of volatile organic compounds, chemical vapors, or cigarette, pet or flatulence odors call for the use of an activated carbon (charcoal) or other type of filter instead of or in addition to a HEPA filter. [20]

7. Sodium–potassium pump - Wikipedia

   en.wikipedia.org/wiki/Sodium–potassium_pump

   The sodium–potassium pump (sodium–potassium adenosine triphosphatase, also known as Na + /K +-ATPase, Na + /K + pump, or sodium–potassium ATPase) is an enzyme (an electrogenic transmembrane ATPase) found in the membrane of all animal cells.