Analysis of Combustion Oscillations in Heterogeneous Systems.
Abstract
The objectives for the present phase of research are critical literature survey, to determine the mechanisms which could lead to velocity coupled instability, and the various existing methods, analytical and experimental, related to its investigation, and perform order of magnitude analyses to determine which of the proposed driving mechanisms is plausible and warrants further analysis. Ultimately, the objective is to develop a comprehensive analytical model, capable of prediction of this type of instability in some relatively simple cases. This study is coupled to an experimental investigation by UTC/CSD, headed by Dr. Robert Brown, to simulate nonsteady internal flowfields, in both controlled cold-flow, and combustion environments. The literature survey of velocity coupled instability has been completed. Preliminary order of magnitude analyses of two distinct driving mechanisms of instability, namely acoustic/core-combustion coupling, and viscous/acoustic interaction have also been completed. A similar study on the effect of acoustic/small scale turbulence is underway, and will be reported (along with its full related literature) following completion of the present phase of study.
Document Details
- Document Type
- Technical Report
- Publication Date
- Jun 01, 1982
- Accession Number
- ADA122301
Entities
People
- Martin Summerfield
- Moshe Ben-reuven