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They work by transforming the polluted exhaust components into water and carbon dioxide. [6] There is a light-off temperature from which catalytic converters start to be efficient and work properly. [7] Catalytic converters can cause back pressure if clogged or not designed for the required flow rate.
Rusted out exhaust headers or lengthy periods of turning the starter can cause water to build up in the exhaust line to the point it back-flows through the exhaust manifold and fills the cylinders. [1] On turbocharged engines the intercooler is normally cooled by sea water; if this rusts through, water will be ingested by the engine.
Two similar pipings with same pressure distance and head. The second pipe contains some obstructions for flow resulting in less discharge. A common example of backpressure is that caused by the exhaust system (consisting of the exhaust manifold, catalytic converter, muffler and connecting pipes) of an automotive four-stroke engine, which has a negative effect on engine efficiency, resulting in ...
When the exhaust valve opens, the high pressure exhaust gas escapes into the exhaust manifold or header, creating an "exhaust pulse" comprising three main parts: The high-pressure head is created by the large pressure difference between the exhaust in the combustion chamber and the atmospheric pressure outside of the exhaust system
The mechanism by which exhaust emissions are controlled depends on the method of injection and the point at which air enters the exhaust system, and has varied during the course of the development of the technology. The first systems injected air very close to the engine, either in the cylinder head's exhaust ports or in the exhaust manifold.
If you need to give your cover or fan a deeper clean, mix dish soap in warm water before using a soft sponge or microfiber cloth to clean the parts. Step 3: Reassemble the Fan
The flow in manifolds is extensively encountered in many industrial processes when it is necessary to distribute a large fluid stream into several parallel streams, or to collect them into one discharge stream, such as in fuel cells, heat exchangers, radial flow reactors, hydronics, fire protection, and irrigation. Manifolds can usually be ...
The word "stacking" comes from the term "stack" for exhaust pipe or chimney stack. The oily exhaust pipe is therefore a "wet stack". This condition can have several causes. The most common cause is idling the engine for long intervals, which does not generate enough heat in the cylinder for a complete burn.