Accuracy of Phase‐Doppler Anemometry in the Presence of Flames | Zendy

Tsushima Shohji | Zendy; Akamatsu Fumiteru | Zendy; Katsuki Masashi | Zendy; Mizutani Yukio | Zendy; Cho YongDae | Zendy

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Accuracy of Phase‐Doppler Anemometry in the Presence of Flames

Author(s) -

Tsushima Shohji,

Akamatsu Fumiteru,

Katsuki Masashi,

Mizutani Yukio,

Cho YongDae

Publication year - 1997

Publication title -

particle and particle systems characterization

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.877

H-Index - 56

eISSN - 1521-4117

pISSN - 0934-0866

DOI - 10.1002/ppsc.199700049

Subject(s) - bunsen burner , optics , combustion , phase (matter) , laser doppler velocimetry , optical path , combustor , laser , refractive index , materials science , doppler effect , particle size , displacement (psychology) , chemistry , physics , psychotherapist , medicine , psychology , blood flow , organic chemistry , astronomy

The objectives of the present study were to clarify the influence of flames on phase‐Doppler anemometry (PDA) and to consider quantitatively the accuracy of measured sizes and velocities using a known‐size polystyrene particle and a Bunsen burner placed in the optical path in PDA simulating the variation of refractive index in a combusting field. It was found that fluctuations of a flame had some influence on the measurement, especially on size, while the velocities obtained in these experiments showed little influence of the flame. Furthermore, a compensation procedure for the error was discussed by comparing the scattered data in size measurement with the displacement of incident laser beams. As a result, it was found that the displacement of the laser beams can be related to the degree of errors caused by the influence of a flame on the optical path in PDA.

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