secondary combustion
1Secondary air injection — Theory and origins= Secondary air injection (commonly air injection, colloquially smog pump, trademark Air Injection Reactor) is an automobile emissions control strategy introduced in 1966, wherein fresh air is injected into the exhaust stream.… …
2secondary compression — A term that is used in two stroke engines. Primary compression takes place in the crankcase and is then pushed up into the combustion chamber where secondary compression takes place as the piston squeezes the mixture. If the crankcase seals are… …
3secondary air/airflow — That portion of the compressor output air used to cool engine parts and combustion gases. See also primary air …
4Internal combustion engine — The internal combustion engine is an engine in which the combustion of a fuel (normally a fossil fuel) occurs with an oxidizer (usually air) in a combustion chamber. In an internal combustion engine, the expansion of the high temperature and high …
5Staged combustion — is a method for reducing Nitrogen oxides (NOX) emissions from combustion. There are two methods: * Air staged supply * Fuel staged supplyAir staged supplyCharacteristics: * NOX reduction rate from 50 75% is possible. * Spatial separation of… …
6annular combustion chamber — Annular means pertaining to an annulus or ring. Ring shaped. An annular combustion chamber is in the shape of a ring or a cylinder and the whole of the annulus between the compressor and the turbine is used for combustion. Like other layouts… …
7cannular/can-annular chamber combustion chamber — An arrangement in which flame tubes are laid out within the casing, resulting in weight reduction and an ease of construction advantage. The supply of secondary air to the flame tubes is made through a common air casing while primary air for… …
8environmental works — ▪ civil engineering Introduction infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations …
9Incineration — For other forms of waste plant that produces energy, see waste to energy. Incinerator redirects here. For the fictional character, see Incinerator (Transformers). Incinerate redirects here. For the Sonic Youth song, see Incinerate (song). For the …
10Wood gas — Woodgas flame from a vehicle gasifier unit Wood gas is a syngas fuel which can be used as a fuel for furnaces, stoves and vehicles in place of petrol, diesel or other fuels. During the production process biomass or other carbon containing… …
