Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Wolfram C. Ullrich"'
Autor:
Kilian Lackhove, Wolfram C. Ullrich, André Fischer, Max Staufer, Christoph Hirsch, Thomas Sattelmayer, Amsini Sadiki
Publikováno v:
Journal of Propulsion and Power. 34:198-212
In modern aeroengines, combustion noise has become a significant source to the overall noise, particularly at approach conditions. This requires further advances in understanding and predicting com...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::82154bce0ec4f5a157f0aacc4070a0cc
https://doi.org/10.2514/1.b36428
https://doi.org/10.2514/1.b36428
Autor:
Christoph Hirsch, Ann P. Dowling, Nedunchezhian Swaminathan, Wolfram C. Ullrich, André Fischer, Amsini Sadiki, Kilian Lackhove, Yasser Mahmoudi, Thomas Sattelmayer, Max Staufer
Publikováno v:
Ullrich, W C, Mahmoudi Larimi, Y, Lackhove, K, Fischer, A, Hirsch, C, Sattelmayer, T, Dowling, A P, Swaminathan, N, Sadiki, A & Staufer, M 2018, ' Prediction of Combustion Noise in a Model Combustor Using a Network Model and a LNSE Approach ', Journal of Engineering for Gas Turbines and Power, vol. 140, no. 4, 041501 . https://doi.org/10.1115/1.4038026
Copyright © 2018 by Rolls-Royce plc. The reduction of pollution and noise emissions of modern aero engines represents a key concept to meet the requirements of the future air traffic. This requires an improvement in the understanding of combustion n
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::12877fd1005c49c80f5f2b4f14cf9b20
https://www.repository.cam.ac.uk/handle/1810/271501
https://www.repository.cam.ac.uk/handle/1810/271501
Autor:
Thomas Sattelmayer, Wolfram C. Ullrich
Publikováno v:
21st AIAA/CEAS Aeroacoustics Conference.
In the present study an annular model combustor and a convergent-divergent nozzle are investigated under realistic operating conditions to examine the basic effects of both direct and indirect combustion noise generation. For that purpose a hybrid CF
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::78ac07fb9bd0cc904d8321ce51115f5c
https://doi.org/10.2514/6.2015-2972
https://doi.org/10.2514/6.2015-2972
Publikováno v:
21st AIAA/CEAS Aeroacoustics Conference.
Combustion noise of aero engines originates from unsteady combustion processes which in turn lead to vortical and temperature fluctuations. These so-called vorticity and entropy waves are convected from the combustor into the turbine where their acce
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c4c5be6d887fa32624fbb66ca7708860
https://doi.org/10.2514/6.2015-2382
https://doi.org/10.2514/6.2015-2382
Publikováno v:
Scopus-Elsevier
Combustion noise of stationary gas turbines or aero engines is associated with unsteady heat release that creates temperature fluctuations or so-called entropy waves (hot-spots). When accelerated in the turbine located downstream of the combustor, th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e0be30c9392e86d6062642ef26c00b09
https://doi.org/10.2514/6.2014-3193
https://doi.org/10.2514/6.2014-3193
Publikováno v:
Volume 6A: Turbomachinery.
The design and optimization of turbines demands the use of fast low-fidelity tools. To obtain adequate results, loss correlations simplifying the complex turbine throughflow are implemented. Accounting for modern turbine designs and flow conditions,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::83c6d3e004eee19e8c694daf176930f5
https://doi.org/10.1115/gt2013-94872
https://doi.org/10.1115/gt2013-94872
Publikováno v:
Scopus-Elsevier
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6f79e849e72c3fd320e145fd7b1731f0
http://www.scopus.com/inward/record.url?eid=2-s2.0-84983518070&partnerID=MN8TOARS
http://www.scopus.com/inward/record.url?eid=2-s2.0-84983518070&partnerID=MN8TOARS