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Scavenging is the process of replacing the exhaust gas in a cylinder of an internal combustion engine with the fresh air/fuel mixture (or fresh air, in the case of direct-injection engines) for the next cycle

Why scavenging is required?
An efficient scavenging is important to ensure sufficient air supply to the combustion. The more effective scavenging system, the better fuel combustion and output.

What is scavenging and its types?
The process of admitting air into the combustion space is known as charging. The process of admitting air and expelling exhaust gas is known as scavenging. The three main types of scavenging for two stroke engines are cross flow, uniflow and loop flow.

How do scavenging works What is the principle?
Scavenging is the removal of exhaust gases by blowing in fresh air. ... In the four-stroke cycle engine there is an adequate overlap between the air inlet valve opening and the exhaust valve closing. With two-stroke cycle engines this overlap is limited and some slight mixing of exhaust gases and incoming air does occur.


Which process is called scavenging?
Scavenging is the process of replacing the exhaust gas in a cylinder of an internal combustion engine with the fresh air/fuel mixture (or fresh air, in the case of direct-injection engines) for the next cycle. ... Scavenging is equally important for both two-stroke and four-stroke engines.

What are the advantages of uniflow scavenging?
Increase power output. Most efficient of all three methods. Good scavenging at all speed ranges and throttle position. Low fuel consumption compared to other scavenging types.




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