Modelling acoustic excitation for the simulation of combustion instability experiments

S. Beinke; B. Dally; M. Oschwald

Modelling acoustic excitation for the simulation of combustion instability experiments

S. Beinke, B. Dally, M. Oschwald

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

An experimental combustor, designated BKH, has been developed at DLR Lampoldshausen to investigate combustion instability. The combustor operates with cryogenic liquid oxygen and hydrogen propellants at supercritical pressure conditions analogous to real rocket engines. It features an excitation system for driving acoustic disturbances in order to study combustion instability phenomena. BKH experimental results are being used to develop and validate numerical models. Methods of simulating the influence of the excitation system on the BKH chamber have been examined and the results compared with BKH experiments under cold flow operating conditions.

Original language	English (US)
Title of host publication	Proceedings of the 18th Australasian Fluid Mechanics Conference, AFMC 2012
Publisher	Australasian Fluid Mechanics Society
ISBN (Print)	9780646583730
State	Published - Jan 1 2012
Externally published	Yes

Cite this

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abstract = "An experimental combustor, designated BKH, has been developed at DLR Lampoldshausen to investigate combustion instability. The combustor operates with cryogenic liquid oxygen and hydrogen propellants at supercritical pressure conditions analogous to real rocket engines. It features an excitation system for driving acoustic disturbances in order to study combustion instability phenomena. BKH experimental results are being used to develop and validate numerical models. Methods of simulating the influence of the excitation system on the BKH chamber have been examined and the results compared with BKH experiments under cold flow operating conditions.",

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Y1 - 2012/1/1

N2 - An experimental combustor, designated BKH, has been developed at DLR Lampoldshausen to investigate combustion instability. The combustor operates with cryogenic liquid oxygen and hydrogen propellants at supercritical pressure conditions analogous to real rocket engines. It features an excitation system for driving acoustic disturbances in order to study combustion instability phenomena. BKH experimental results are being used to develop and validate numerical models. Methods of simulating the influence of the excitation system on the BKH chamber have been examined and the results compared with BKH experiments under cold flow operating conditions.

AB - An experimental combustor, designated BKH, has been developed at DLR Lampoldshausen to investigate combustion instability. The combustor operates with cryogenic liquid oxygen and hydrogen propellants at supercritical pressure conditions analogous to real rocket engines. It features an excitation system for driving acoustic disturbances in order to study combustion instability phenomena. BKH experimental results are being used to develop and validate numerical models. Methods of simulating the influence of the excitation system on the BKH chamber have been examined and the results compared with BKH experiments under cold flow operating conditions.

UR - http://www.scopus.com/inward/record.url?scp=84959018795&partnerID=8YFLogxK

M3 - Conference contribution

SN - 9780646583730

BT - Proceedings of the 18th Australasian Fluid Mechanics Conference, AFMC 2012

PB - Australasian Fluid Mechanics Society

ER -

Modelling acoustic excitation for the simulation of combustion instability experiments

Abstract

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