Velocity and turbulence intensity measurements of gas and spherical particles in two-phase flows by a modified LDA-system.

M. Maeda, Koichi Hishida

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

An appropriate signal processing has been designed basically for two beam fringe mode laser Doppler anemometry system to measure both velocities dispersed and continuous phases in two phase flow. The signal processor consisted of a peak detecting circuit of pulse signals of scattered light intensity from particles and a comparing circuit of peak heights, so that the Doppler signals were discriminatively obtained for fine tracer particles and coarse spherical particles. Application to suspension flow involving transparent spherical particles of about 10 - 100 MUm confirmed the velocity measurements of dispersed phase and continuous phase. The measured velocity distribution of fine tracer particles provided the turbulence intensity of continuous phase in two-phase flow. (A)

Original languageEnglish
Title of host publicationIN: SENSOR '82, TRANSDUCER TECHNOL. & TEMP. MEASUREMENT, CONF. PROC., (ESSEN, FED. REP. GERMANY: JAN. 12-14, 1982)
PublisherNetwork
Volume3 , Buckingham, U.K., Network, 1982, Session 9, Paper 9.3, p.43-57.
ISBN (Print)0 9049 9996 3
Publication statusPublished - 1982
Externally publishedYes

Fingerprint

Two phase flow
Turbulence
Networks (circuits)
Laser modes
Velocity distribution
Gases
Velocity measurement
Signal processing

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Maeda, M., & Hishida, K. (1982). Velocity and turbulence intensity measurements of gas and spherical particles in two-phase flows by a modified LDA-system. In IN: SENSOR '82, TRANSDUCER TECHNOL. & TEMP. MEASUREMENT, CONF. PROC., (ESSEN, FED. REP. GERMANY: JAN. 12-14, 1982) (Vol. 3 , Buckingham, U.K., Network, 1982, Session 9, Paper 9.3, p.43-57.). Network.

Velocity and turbulence intensity measurements of gas and spherical particles in two-phase flows by a modified LDA-system. / Maeda, M.; Hishida, Koichi.

IN: SENSOR '82, TRANSDUCER TECHNOL. & TEMP. MEASUREMENT, CONF. PROC., (ESSEN, FED. REP. GERMANY: JAN. 12-14, 1982). Vol. 3 , Buckingham, U.K., Network, 1982, Session 9, Paper 9.3, p.43-57. Network, 1982.

Research output: Chapter in Book/Report/Conference proceedingChapter

Maeda, M & Hishida, K 1982, Velocity and turbulence intensity measurements of gas and spherical particles in two-phase flows by a modified LDA-system. in IN: SENSOR '82, TRANSDUCER TECHNOL. & TEMP. MEASUREMENT, CONF. PROC., (ESSEN, FED. REP. GERMANY: JAN. 12-14, 1982). vol. 3 , Buckingham, U.K., Network, 1982, Session 9, Paper 9.3, p.43-57., Network.
Maeda M, Hishida K. Velocity and turbulence intensity measurements of gas and spherical particles in two-phase flows by a modified LDA-system. In IN: SENSOR '82, TRANSDUCER TECHNOL. & TEMP. MEASUREMENT, CONF. PROC., (ESSEN, FED. REP. GERMANY: JAN. 12-14, 1982). Vol. 3 , Buckingham, U.K., Network, 1982, Session 9, Paper 9.3, p.43-57. Network. 1982
Maeda, M. ; Hishida, Koichi. / Velocity and turbulence intensity measurements of gas and spherical particles in two-phase flows by a modified LDA-system. IN: SENSOR '82, TRANSDUCER TECHNOL. & TEMP. MEASUREMENT, CONF. PROC., (ESSEN, FED. REP. GERMANY: JAN. 12-14, 1982). Vol. 3 , Buckingham, U.K., Network, 1982, Session 9, Paper 9.3, p.43-57. Network, 1982.
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