Methods of creating fluidic barriers in turbine engines
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United States of America Patent
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Apr 23, 2019
Grant Date -
Mar 2, 2017
app pub date -
Aug 27, 2015
filing date -
Aug 27, 2015
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Abstract
Methods are provided for creating a fluidic barrier between the core stream and the bypass stream in a turbofan engine. A method comprises compressing the bypass and core streams with a fan between an upstream splitter and a downstream splitter which divides the bypass and core streams, and imparting a first momentum into the air stream proximate the fan in a region between the core and bypass streams and the upstream and downstream splitters to form a fluid barrier, wherein the first momentum of the air stream in the region is higher than a second momentum of the air stream adjacent the fluid barrier.
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