THERMOACOUSTICS CONTROL MODELING

机译：热声控制模型

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Thermoacoustics can be viewed as the combination of two feedback coupling mechanisms between heat release fluctuation and the acoustics of the combustor: one resulting from the perturbations in velocity causing fluctuation in flame surface area and the other from perturbation in equivalence ratio, both causing perturbation in heat release. As in most feedback system, instability could occur when heat release perturbation is in phase with the acoustic pressure perturbation of the combustion enclosure. The emphasis of this paper is the state space formulation of the acoustics model to be used as part of the thermoacoustics model containing the first two interaction mechanisms.

机译：热声可以看作是热量释放波动与燃烧室声学之间的两种反馈耦合机制的组合：一种是由于速度的扰动引起火焰表面积的波动，另一种是由于当量比的扰动引起的，两者均引起热量的扰动释放。与大多数反馈系统一样，当热量释放扰动与燃烧室的声压扰动同相时，可能会发生不稳定性。本文的重点是声学模型的状态空间公式，该模型将用作包含前两个相互作用机制的热声学模型的一部分。

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来源
《NCA-vol.32; American Society of Mechanical Engineers(ASME) International Mechanical Engineering Congress and Exposition; 20051105-11; Orlando,FL(US)》|2005年|P.225-230|共6页
会议地点 OrlandoFL(US)
作者
Reza Kashani;
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作者单位

Mechanical Engineering Dept./ The University of Dayton/300 College Park/Dayton, OH 45469-0210;

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原文格式 PDF
正文语种 eng
中图分类振动、噪声及其控制;
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5. Modeling and Control of Thermoacoustics in a One-Dimensional Combustor [D] . Chen, Xiaoling. 2021

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6. Thermoacoustic elastography: recovery of bulk elastic modulus of heterogeneous media using tomographically measured thermoacoustic measurements [O] . Zhu Zheng, Huabei Jiang 2019

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