Numerical calculation of rotating detonation chamber

  • Jan Kindracki Warsaw University of Technology, Institute of Heat Engineering
  • Zhenda Shi Warsaw University of Technology, Institute of Heat Engineering

Abstract

ANSYS FLUENT 14 supplied the CFD tools used in the numerical calculation of rotating detonation combustion. Duringcalculations, various fuel injection methods and configurations of combustion chamber were applied in an attempt to obtainstable and correct detonation propagation results in a separated fuel-air injection system (non-premixed combustion model).However, FLUENT was not originally designed for detonation combustion and the failure to achieve re-initiation of detonationafter collision was always the core issue in the non-premixed combustion model. Thus, this paper mainly focuses on researchinto the behavior of stable continuously rotating detonation in premixed combustion cases. The analysis of stable continuouslyrotating detonation behaviors and structures was carried out with different boundary conditions and mesh cells. Thepressures were measured by using a number of artificial sensors inserted near the chamber outside surface in various axialand/or circumferential directions. With those key results in the case of premixed combustion, we were able to comparably concludethat stable rotating detonation would also be generated if the refilling process were properly exhibited in non-premixedcombustion. The paper finishes with evaluations and conclusions regarding general detonation behaviors and performances.

Author Biography

Jan Kindracki, Warsaw University of Technology, Institute of Heat Engineering
Dr

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Published
2018-01-23
How to Cite
KINDRACKI, Jan; SHI, Zhenda. Numerical calculation of rotating detonation chamber. Journal of Power Technologies, [S.l.], v. 97, n. 4, p. 314–326, jan. 2018. ISSN 2083-4195. Available at: <https://papers.itc.pw.edu.pl/index.php/JPT/article/view/944>. Date accessed: 23 july 2021.
Section
Combustion and Fuel Processing

Keywords

Rotating detonation engine, premixed/non-premixed combustion, 2D/3D chamber model

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