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Engine Exhaust Plumes

Engine Exhaust Plumes

Engine Exhaust Plumes

(OP)
Is it true that the engine exhaust plumes diverge from 1 another on the port side and converge on the starboard side in the case of a 4 engined aircraft,?

Does anyone have an explanation for this? Is this phenomenon dependant on factors such as temperature, pressure, etc.?

Thanks.

RE: Engine Exhaust Plumes

True only for eastbound aircraft, the reverse happens on westbound craft.  It's due to coriolis forces.

RE: Engine Exhaust Plumes

If it is due to corioliss, why would exhaust plumes divergence switch sides of the plane going westbound?

"Do not worry about your problems with mathematics, I assure you mine are far greater."   
Albert Einstein
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RE: Engine Exhaust Plumes

Sorry, I forgot to include the explanatory :)

RE: Engine Exhaust Plumes

Thank you for the explanatory. It clarifies everything. winky smile

"Do not worry about your problems with mathematics, I assure you mine are far greater."   
Albert Einstein
Have you read FAQ731-376 to make the best use of Eng-Tips Forums?

RE: Engine Exhaust Plumes

(OP)
Thanks guys.

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