Measurement of the Velocity of Particles Emerging from a Plasma Flame by High-Speed Cine-Streak Photography

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Publisher: SMPTE — White Plains, NY, USA
Doc Type: Journal Article
Content Type: Original Research
Abbreviated Title: J SMPTE
Volume: 80, No. 12, pp. 951–958
Abstract: Glass beads of 30- to 140-μm diameter and 50 to 100 m/s velocity emerging from a plasma flame (10,000 K) were photographed using a 16mm high-speed ciné camera in streak mode. The combined radiation from the hot particles and that reflected from the flame provided sufficient light intensity using 400 ASA reversal film. The narrow depth of field (±5 mm) was investigated using an illuminated spinning disc having a hole the same size as the particle. A stereo streak system was devised for particle location in two dimensions. Ghost images caused by internal lens reflection were identified on the film. A simple system for film analyzing was built and a semiautomatic electrical disc analog for measuring streak angle was devised and tested. Overall optical resolution was sufficient to enable particle accelerations (2,000 g) to be estimated from the changes of streak angle across the film.
Publication Date: 1971-12-01
DOI: 10.5594/J05687
ISSN: Print: 0361-4573
Link: https://doi.org/10.5594/J05687
Author(s): J. A. LewisDept. of Chemical Engineering, McGill University, P.O. Box 6070, Montreal 101, P.Q., Canada. (Dr. Lewis is presently with the Ministry of Defence, Waltham Abbey, Essex, England
W. H. GauvinResearch Associate at McGill University and also Director of Research and Development, Noranda Research Centre, 240 Hymus Blvd., Pointe Claire 730, P.Q., Canada.
Copyright: © 1971 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

1. Vurzel F. B. Polak L. S. , “Plasma chemical technology—the future of the chemical industry,” Ind. Eng. Chem. , 62 : 8 – 22 , ( 1970 ). EXTERNAL
2. Dundas P. H. Thorpe M. L. , “Titanium dioxide production by plasma processing,” Chem. Eng. Prog. , 66 : 66 – 71 , ( 1970 ). EXTERNAL
3. Humphrey's Corporation (TAFA div) Bow N. H. , Direct Communication (19.VII.71). EXTERNAL
4. Lemoine A. Stachoviak F. Cheylan J. Dauvergne J. P. LeGoff P. , “Méthodes de mesure des vitesses de particules solides ou liquides raises en mouvement rapide dans les flammes,” Rev. Gén. Thermique , Jan., 33 – 48 ( 1969 ); also A. Lemoine, Docteur Ingenieur Thesis, Université de Nancy, France (1969). EXTERNAL
5. Hamielec A. E. Hoffman T. W. Ross L. L. , “Numerical solution of the Navier-Stokes equation for flow past spheres,” A.I.Ch.E.J. , 13 : 212 – 224 , ( 1967 ). EXTERNAL
6. Nurekenov E. , “Heat and mass transfer of rotating coal dust particles,” Problemy Teploenergetiki Prikladnoi Teplofizika VYP-1, 270 ( 1964 ). EXTERNAL
7. Wang C. C. , “Deceleration and turbulence effects on sphere drag coefficient,” M. Eng. Thesis, McGill University , Montreal ( 1969 ). EXTERNAL
8. Marchildon K. , “Shape, turbulence and acceleration effects on the dynamics of particle-fluid systems,” Ph.D. Thesis, McGill University , Montreal ( 1965 ). EXTERNAL

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J. A. Lewis and W. H. Gauvin; Measurement of the Velocity of Particles Emerging from a Plasma Flame by High-Speed Cine-Streak Photography, Journal of the SMPTE ( Volume: 80, Issue: 12, December 1971); SMPTE, 1971. Available at https://doi.org/10.5594/J05687

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J. A. Lewis and W. H. Gauvin; Measurement of the Velocity of Particles Emerging from a Plasma Flame by High-Speed Cine-Streak Photography, Journal of the SMPTE ( Volume: 80, Issue: 12, December 1971); SMPTE, 1971. Available at https://doi.org/10.5594/J05687

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<span class="citation">J. A. Lewis and W. H. Gauvin; <cite>Measurement of the Velocity of Particles Emerging from a Plasma Flame by High-Speed Cine-Streak Photography</cite>, Journal of the SMPTE ( Volume: 80, Issue: 12, December 1971); SMPTE, 1971. Available at <a href="https://doi.org/10.5594/J05687" target="_blank" rel="noopener">https://doi.org/10.5594/J05687</a></span>

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J. A. Lewis and W. H. Gauvin; <cite id="bib-10-5594-j05687">Measurement of the Velocity of Particles Emerging from a Plasma Flame by High-Speed Cine-Streak Photography</cite>, Journal of the SMPTE ( Volume: 80, Issue: 12, December 1971); SMPTE, 1971
<span class="doi">10.5594/J05687</span>
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