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Journal of Flow Visualization and Image Processing
SJR: 0.11 SNIP: 0.312 CiteScore™: 0.1

ISSN Print: 1065-3090
ISSN Online: 1940-4336

Journal of Flow Visualization and Image Processing

DOI: 10.1615/JFlowVisImageProc.v2.i2.10
pages 113-123

EXPERIMENTAL INVESTIGATION OF FLOW IN AN ANNULAR-CONICAL PASSAGE

Karel Balatka
Tokyo University of Agriculture & Technology, Naka-cho 2-24-16, Koganei-shi, Tokyo 184-8588, Japan
Sadanari Mochizuki
Tokyo University of Agriculture and Technology, 2-24-16, Naka-cho, Koganei-shi, Tokyo 184, JAPAN
Akira Murata
Department of Mechanical Systems Engineering, Tokyo University of Agriculture and Technology, 2-24-16 Nakacho, Koganei, Tokyo 184-8588, Japan

ABSTRACT

The behavior of the flow in a passage between two coaxial cones is studied on the basis of flow visualization. The results show that the flow experiences two flow patterns−streak flow and toroidal-vortex flow−as the similarity parameters are changed. The flow visualization technique uses paraffin mist as a tracer. An Argon laser light sheet and a flood light were used for the illumination.


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