Double lobed mixer with major and minor lobes

Details Double lobed mixer with major and minor lobes Double lobed mixer with major and minor lobes

1995-09-08

1997-06-17

Thorpe, Timothy

Power plants

Reaction motor

Air passage bypasses combustion chamber

23926511, 181220, F02K 138

Patent

active

056386753

ABSTRACT:
A lobed mixer has major and minor lobes. The major lobes increase in both height and width in the downstream axial direction. Each major lobe has two minor lobes positioned on its radially outer surface located downstream of the beginning of the major lobe. The radial depth of the minor lobes increases with downstream axial distance but is never greater than the depth of the major lobes. Each of the chutes formed between the minor lobes introduces an additional stream of cold, low velocity fan flow into the hot, high velocity core flow to improve the uniformity of mixing. The double lobed mixer decreases acoustic intensity while having little or no effect on engine performance.

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