Details

Autor(en) / Beteiligte

• Arens, Kai
• Klingshirn, Hans-Joachim
• Rentrop, Peter

Titel

Level Set Methods in a Benchmark for Thermoacoustic Instabilities

Ist Teil von

• Proceedings in applied mathematics and mechanics, 2006-12, Vol.6 (1), p.777-778

Ort / Verlag

Berlin: WILEY-VCH Verlag

Erscheinungsjahr

2006

Link zum Volltext

Quelle

Wiley Online Library - AutoHoldings Journals

Beschreibungen/Notizen

• Gas turbines can suffer from combustion instabilities and combustion driven oscillations. As a prestep a 3D benchmark tube geometry for the complicated interactions between acoustics and thermal heat release is investigated. For the representation of the flame surface a Level Set approach was chosen. The resulting model includes the impact of curvature on the laminar burning velocity as well as the potential flow field and underlying velocity fields due to vorticity and volume expansion across the flame front. The acoustic equations and the thermal heat release are coupled by the acoustic velocity which is also included in the flame model. A numerical simulation of this benchmark problem is presented as a first step toward optimizing or controlling the stability behavior of the system. (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)