Výsledky vyhledávání - "Aimee Morgans"

Sound generation by entropy waves accelerated by blades

Publikováno v: INTER-NOISE and NOISE-CON Congress and Conference Proceedings. 265:4193-4204

Entropy noise is the sound produced by the acceleration of convective temperature fluctuations (entropy waves) by non-uniform flows and is a major contributor to indirect combustion noise. Entropy waves are accelerated by nozzles in rocket engines or

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::06265b8a57763a133305f4cf5950bec2
https://doi.org/10.3397/in_2022_0598

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Adapting a slit model to determine the aeroacoustic response of tube rows

Autor: Aswathy Surendran, Wei Na, Charles Boakes, Dong Yang, Aimee Morgans, Susann Boij

Publikováno v: INTER-NOISE and NOISE-CON Congress and Conference Proceedings. 265:5605-5614

Cylindrical tubes in cross-flow, like the ones found in heat exchangers, are excellent acoustic dampers and as such have the potential to mitigate thermoacoustic instabilities. Flow separation and vortex shedding downstream of the tube row are key to

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bf983a71df52e6a5f1af9bed413b2625
https://doi.org/10.3397/in_2022_0826

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A slug length calculation for a contraction with mean flow between two half cylinders

Autor: Wei Na, Dong Yang, Aswathy Surendran, Susann Boij, Aimee Morgans, Huadong Yao

Publikováno v: INTER-NOISE and NOISE-CON Congress and Conference Proceedings. 265:5128-5132

A slug length is widely used to describe additional mass inertia at low frequencies in duct acoustics. It is often used in acoustic energy analysis, e.g. as one of the inputs for semi-analytical or empirical models to obtain the acoustic reflection a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0a01d6f741e4f16a00badbe09c6940a4
https://doi.org/10.3397/in_2022_0743

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Low order modelling of thermoacoustic instabilities in aero-propulsion engines

Autor: Aswathy Surendran, Charles Boakes, Dong Yang, Aimee Morgans

Publikováno v: INTER-NOISE and NOISE-CON Congress and Conference Proceedings. 265:5595-5604

In the present work, we investigate the thermoacoustic stability behaviour of a combustor-heat exchanger assembly pertinent to the Synergetic Air Breathing Rocket Engine (SABRE) of Reaction Engines Ltd. Since the thermoacoustic behaviour of heat exch

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::348cc9c85c3719e1f46299f00919bd9f
https://doi.org/10.3397/in_2022_0825

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Correction: Linear Theory and Experiments for Laminar Bias Flow Impedance: Orifice Shape Effect

Autor: Lionel Hirschberg, Juan G. Guzman Inigo, Alessia Aulitto, Javier Sierra, David Fabre, Aimee Morgans, A. Hirschberg