Numerical study for enhancement of laminar flow mixing using multiple confined jets in a micro-can combustor |
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| Authors: | Peter L Woodfield Kazuyoshi Nakabe Kenjiro Suzuki |
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| Affiliation: | a Heat Transfer Laboratory, Department of Mechanical Engineering, Kyoto University, 4-6-1 Komaba, Meguro-ku, Kyoto 606-8501, Japan
b Applied Energy Science Laboratory, Department of Energy System Engineering, Osaka Prefecture University, Sakai, Osaka 599-8531, Japan |
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| Abstract: | To meet demands arising as a result of present trends towards miniaturization, an innovative design for promoting mixing enhancement in a miniature can combustor is investigated using an unstructured finite-volume technique. A multi-holed baffle plate is employed to create a ring of oxidizer jets surrounding a single fuel jet in parallel with the axis of the cylindrical chamber. The baffle plate is found to produce a dramatic improvement to the mixing performance when compared with simpler co-axial jet cases. Relatively small changes in geometry are found to have a major influence on mixing for laminar isothermal flow. |
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