Numerical and experimental validation of a three-dimensional combustion diagnostic based on tomographic chemiluminescence

Weiwei Cai, Xuesong Li, Fei Li, Lin Ma

Research output: Contribution to journalArticlepeer-review

100 Scopus citations

Abstract

Three-dimensional (3D) measurements are highly desirable both for fundamental combustion research and practical monitoring and control of combustion systems. This work discusses a 3D diagnostic based on tomographic chemiluminescence (TC) to address this measurement need. The major contributions of this work are threefold. First, a hybrid algorithm is developed to solve the 3D TC problem. The algorithm was demonstrated in extensive tests, both numerical and experimental, to yield 3D reconstruction with high fidelity. Second, an experimental approach was designed to enable quantifiable metrics for examining key aspects of the 3D TC technique, including its spatial resolution and reconstruction accuracy. Third, based on the reconstruction algorithm and experimental results, we investigated the effects of the view orientations. The results suggested that for an unknown flame, it is better to use projections measured from random orientations than restricted orientations (e.g., coplanar orientations). These findings are expected to provide insights to the fundamental capabilities of the TC technique, and also to facilitate its practical application.

Original languageEnglish (US)
Pages (from-to)7050-7064
Number of pages15
JournalOptics Express
Volume21
Issue number6
DOIs
StatePublished - Mar 25 2013

Fingerprint Dive into the research topics of 'Numerical and experimental validation of a three-dimensional combustion diagnostic based on tomographic chemiluminescence'. Together they form a unique fingerprint.

Cite this