AI Article Synopsis

  • * Controlled experiments tested the FBEs’ performance using a consistent light source, leading to successful 3D flame measurements through a method that combines FBEs with tomography.
  • * The findings show that FBEs can effectively provide detailed quantitative data on flow and combustion, while also being cost-effective and capable of accessing hard-to-reach areas. *

Article Abstract

This work reports the application of fiber-based endoscopes (FBEs) for instantaneous three-dimensional (3D) flow and combustion measurements, with an emphasis on characterizing the linearity and uniformity of the FBEs and exploring their potential for obtaining quantitative measurements. Controlled experiments were performed using a uniform illuminator to characterize the linearity and uniformity of the FBEs. Based on such characterization, 3D instantaneous measurements of flames were demonstrated by a combined use of FBEs and tomography. To obtain 3D flame measurement, 3D tomographic reconstructions were made from multiple projections of the target flames collected from various orientations by the FBEs. The results illustrate the potential of FBEs to obtain quantitative 3D flow and combustion measurements and also the advantages FBEs offer, including overcoming optical access restrictions and equipment cost.

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Source
http://dx.doi.org/10.1364/AO.53.005961DOI Listing

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