WebJul 30, 2024 · The hot exhaust gas and DEF then enter the catalytic converter where the urea from the DEF and the exhaust gas react with a variety of metallic compounds to convert … WebWhat is a DEF Head? This is the part that watches over your DEF exhaust system. When there is a problem, the head detects it and sends the proper message to your ECM. Once your ECM gets the message different warning rights are triggered and it is possible that it will send your engine into de-rate mode.
Selective Catalytic Reduction (SCR) Diesel Technology Forum
WebMay 27, 2024 · By Engine Builder. May 27, 2024. A diesel exhaust system is carefully designed to take the fuel-air mixture that has been used by the combustion chamber in a diesel engine and ensure that via the tailpipe, it is removed from the combustion chamber. Government regulations in recent decades have been working towards cutting down … WebJul 28, 2024 · The United States' DEFCON (short for "defense readiness condition") scale is a measure of the level of alertness of the nation's defense forces. The DEFCON scale uses a minimum of 5 (for normal peacetime status) and a maximum of 1 (for situations of global severity, like nuclear war ). chinese hospital board member
How an Aftertreatment System Works Cummins Inc.
WebJun 27, 2024 · GPS is a system of 30+ navigation satellites circling Earth. We know where they are because they constantly send out signals. A GPS receiver in your phone listens for these signals. Once the receiver calculates its distance from four or more GPS satellites, it can figure out where you are. Earth is surrounded by navigation satellites. Credit: NOAA. WebApr 13, 2024 · When DEF is mixed with hot exhaust gases, it breaks down into ammonia and carbon dioxide. Once those two gases meet the diesel fumes, they bond with the nitrogen … WebJun 21, 2024 · As DEF enters the SCR catalyst, it evaporates into ammonia (NH3) and water (H20). The NH3 sticks on the SCR catalyst and binds with the nitrogen oxides (NOx) as … chinese hospital gellert hours