Open AccessEquation of the gas oscillation frequencies in a closed-circuit Helmholtz resonator type combustion chamber
Author(s) -
В. М. Ларионов,
O. V. Iovleva,
Е. В. Семенова,
E. A. Yunusova,
I. V. Larionova
Publication year - 2021
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/1923/1/012017
Subject(s) - helmholtz resonator , combustion chamber , mechanics , combustion , acoustics , physics , tube (container) , linearization , oscillation (cell signaling) , resonator , materials science , chemistry , engineering , mechanical engineering , nonlinear system , optics , biochemistry , organic chemistry , quantum mechanics
A solid fuel combustion chamber of the Helmholtz-resonator-type is investigated. In previous works, the air supply tube and the combustion product outlet tube were open at the outlet. In this paper, we consider a device in which the tubes are connected by a total volume. The linearization of the conservation equations in the combustion chamber and the interference chamber gives four boundary conditions for acoustic disturbances. From these conditions, an equation follows that allows us to calculate the frequencies of gas vibrations in the device of the considered type.