Uni-flow scavenging and loop scavenging?

Uni-flow scavenging and loop scavenging?

Manish Tomar

Member

Updated: Oct 26, 2024

Views: 984

What is practical difference between uni-flow scavenging and loop scavenging..???

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sweet_honey

Member • Oct 31, 2012

Scavenging is the process of escape of fresh charge without getting utilized.
For uniflow and loop scavenging, I hope following link will help you:
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white_hat

Member • Nov 1, 2012

I thought scavenging means pushing out the exhaust gases, not fresh charge from the engine cylinder.
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Correct me if am wrong.

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sweet_honey

Member • Nov 1, 2012

white_hat
I thought scavenging means pushing out the exhaust gases, not fresh charge from the engine cylinder.
Yes, it is pushing out of exhaust gases by the fresh air that enters the cylinder.
Since intake and exhaust process takes place at the same time, some of the fresh charge also escapes with the exhaust gases. Thus, it is the reason for the low efficiency of 2-stroke engines.

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Manish Tomar

Member • Nov 6, 2012

sweet_honey
Yes, it is pushing out of exhaust gases by the fresh air that enters the cylinder.
Since intake and exhaust process takes place at the same time, some of the fresh charge also escapes with the exhaust gases. Thus, it is the reason for the low efficiency of 2-stroke engines.
will you please tell me basic difference between these two which i must know?

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sweet_honey

Member • Nov 7, 2012

Manish Tomar
will you please tell me basic difference between these two which i must know?
Do you mean the difference between intake and exhaust process?

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Manish Tomar

Member • Nov 20, 2012

sweet_honey
Do you mean the difference between intake and exhaust process?
no.... i am talking about simple definitions of these two..!!

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sweet_honey

Member • Nov 20, 2012

LOOP SCAVENGING is that process in which the charge passes over the piston crown and rises to form a loop within cylinder.

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sweet_honey

Member • Nov 20, 2012

UNIFLOW SCAVENGING is that process in which charge air passes straight up through the length of cylinder.

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