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2. Pintle injector - Wikipedia

   en.wikipedia.org/wiki/Pintle_injector

   Fuel in red, oxidizer in blue. The pintle injector is a type of propellant injector for a bipropellant rocket engine.Like any other injector, its purpose is to ensure appropriate flow rate and intermixing of the propellants as they are forcibly injected under high pressure into the combustion chamber, so that an efficient and controlled combustion process can happen.

3. Selective catalytic reduction - Wikipedia

   en.wikipedia.org/wiki/Selective_catalytic_reduction

   DPR is a diesel particulate filtration system with regeneration process that uses late fuel injection to control exhaust temperature to burn off soot. [11] [12] Diesel engines manufactured after January 1, 2010 are required to meet lowered NOx standards for the US market.

4. Mixing (process engineering) - Wikipedia

   en.wikipedia.org/wiki/Mixing_(process_engineering)

   Mixing of liquids occurs frequently in process engineering. The nature of liquids to blend determines the equipment used. Single-phase blending tends to involve low-shear, high-flow mixers to cause liquid engulfment, while multi-phase mixing generally requires the use of high-shear, low-flow mixers to create droplets of one liquid in laminar, turbulent or transitional flow regimes, depending ...

5. Water injection (engine) - Wikipedia

   en.wikipedia.org/wiki/Water_injection_(engine)

   With the use of ADI, the injected water and alcohol (which is mixed with the water to prevent it from becoming ice) absorbs the excess heat to prevent detonation while still allowing for a leaner and more powerful mixture. [3] Notable engine with water fuel injection: BMW 801, Daimler-Benz DB 605, Junkers Jumo 213.

6. Manifold injection - Wikipedia

   en.wikipedia.org/wiki/Manifold_injection

   The system uses tubes with poppet valves from a central injector to spray fuel at each intake port rather than the central throttle body [citation needed]. Fuel pressure is similar to a single-point injection system. CPFI (used from 1992 to 1995) is a batch-fire system, while CSFI (from 1996) is a sequential system. [9]

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