Comparing a New Passive Lining Method for Jet Noise Reduction Using 3M™ Nextel™ Ceramic Fabrics Against Ejector Nozzles

Comparing a New Passive Lining Method for Jet Noise Reduction Using 3M™ Nextel™ Ceramic Fabrics Against Ejector Nozzles

This study investigates the complementary noise control capabilities of two passive jet noise mitigation strategies: a traditional ejector nozzle and a novel application of 3M™ Nextel™ 312 ceramic fabric as a thermal–acoustic liner on the central cone of a micro turbojet nozzle. Three nozzle configu...

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Bibliographic Details
Main Authors: Alina Bogoi, Grigore Cican, Laurențiu Cristea, Daniel-Eugeniu Crunțeanu, Constantin Levențiu, Andrei-George Totu
Format: Article
Language:English
Published: MDPI AG 2025-07-01
Series:Technologies
Subjects:
subsonic jet
ejector nozzle
noise reduction
POD
GSP
spectral spread
Online Access:https://www.mdpi.com/2227-7080/13/7/295
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