Unburned HydroCarbons

Views Updated: Dec 15, 2025

Key Facts

Abbreviation
UHC
Pronunciation
/ənˈbərnd ˌhaɪdroʊˈkɑrbənz/
Category
Academic & Science
Related Field
Chemistry

Examples in Context

  1. In order to understand better the process of hydrocarbon formation and the effect of the top land crevice and the oil layer of the cylinder liner on unburned hydrocarbons during cold start and idling period, the temperature of piston top land and liner has been measured.
  2. Study on Formation Process of In Cylinder Unburned Hydrocarbons During Cold Start and Idling Periods in SI Engines
  3. When direct injection diesel engines are warmed up after running from cold start, they will emit a lot of blue smoke containing unburned hydrocarbons ( HC ) which are harmful to people and environment.
  4. Catalytic converters are widely used to reduce the amounts of nitrogen oxides, carbon monoxide and unburned hydrocarbons in automotive emissions.

Other meanings of UHC