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  2. Nitrogen oxide sensor - Wikipedia

    en.wikipedia.org/wiki/Nitrogen_oxide_sensor

    The term NO x represents several forms of nitrogen oxides such as NO (nitric oxide), NO 2 (nitrogen dioxide) and N 2 O (nitrous oxide, also known as laughing gas).In a gasoline engine, NO is the most common form of NO x at around 93%, while NO 2 is around 5% and the rest is N 2 O.

  3. Glossary of fuel cell terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_fuel_cell_terms

    Molecular nitrogen (N 2) is a colorless, odorless, tasteless and mostly inert diatomic gas at standard conditions, constituting 78.08% by volume of Earth's atmosphere. Nitrogen oxide Nitrogen oxide (NO x) is any binary compound of oxygen and nitrogen or a mixture of such compounds Nitrogen oxide sensor

  4. Category:Gas sensors - Wikipedia

    en.wikipedia.org/wiki/Category:Gas_sensors

    Nitrogen oxide sensor; Nondispersive infrared sensor; O. ... Zinc oxide nanorod sensor This page was last edited on 7 May 2022, at 22:42 (UTC). Text is ...

  5. List of sensors - Wikipedia

    en.wikipedia.org/wiki/List_of_sensors

    Water-in-fuel sensor; Wheel speed sensor ... Microwave chemistry sensor; Morphix Chameleon; Nitrogen oxide sensor; ... Speed sensors are machines used to detect the ...

  6. Nondispersive infrared sensor - Wikipedia

    en.wikipedia.org/wiki/Nondispersive_infrared_sensor

    A nondispersive infrared sensor (or NDIR sensor) is a simple spectroscopic sensor often used as a gas detector.It is non-dispersive in the fact that no dispersive element (e.g a prism or diffraction grating as is often present in other spectrometers) is used to separate out (like a monochromator) the broadband light into a narrow spectrum suitable for gas sensing.

  7. Selective catalytic reduction - Wikipedia

    en.wikipedia.org/wiki/Selective_catalytic_reduction

    Selective catalytic reduction (SCR) means converting nitrogen oxides, also referred to as NO x with the aid of a catalyst into diatomic nitrogen (N 2), and water (H 2 O). A reductant, typically anhydrous ammonia (NH 3), aqueous ammonia (NH 4 OH), or a urea (CO(NH 2) 2) solution, is added to a stream of flue or exhaust gas and is reacted onto a ...

  8. Category:Engine sensors - Wikipedia

    en.wikipedia.org/wiki/Category:Engine_sensors

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Donate; Help; Learn to edit; Community portal; Recent changes; Upload file

  9. Exhaust gas recirculation - Wikipedia

    en.wikipedia.org/wiki/Exhaust_gas_recirculation

    Exhaust gas—which consists largely of nitrogen, carbon dioxide, and water vapor—has a higher specific heat than air, so it still serves to lower peak combustion temperatures. However, adding EGR to a diesel reduces the specific heat ratio of the combustion gases in the power stroke. This reduces the amount of power that can be extracted by ...