Fluid temperature distributions in a rotating cavity with an axial throughflow |
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| Affiliation: | 1. CSIRO Manufacturing, PO Box 10, Clayton South, VIC 3169, Australia;2. CSIRO Manufacturing, PO Box 218, Lindfield, NSW 2070, Australia;3. Korea Institute of Materials Science, 797, Changwon-daero, Seongsan-gu, Changwon-si, Gyeongsangnam-do 51508, Republic of Korea;4. Joining and Welding Research Institute, Osaka University, 11-1 Mihogaoka, Ibaraki, Osaka 567-0047, Japan;1. Department of Mechanical Engineering, University of Tabriz, Tabriz 51666-14766, Iran;2. Department of Energy, System, Territory and Construction Engineering, University of Pisa, Via Largo Lucio Lazzarino 1, 56122 Pisa, Italy |
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| Abstract: | Radial and circumferential variations of cavity air temperature are presented for a rotating cavity with an axial throughflow of cooling air. Results show that the air temperatures are influenced significantly by the cavity surface temperature distribution. Strong (around 5°C) circumferential air temperature variations are observed showing the flow to be three-dimensional. Temperature time traces are used to infer flow structure features and also the variation of the fluid to cavity angular velocity ratio with temperature. Features and trends are found to be consistent with flow visualisation evidence, Laser Doppler Anemometry data, and also computations of other workers. |
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