An experimental study of laminarization induced by acceleration and curvature Public Deposited

http://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/rj4306725

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  • The Generation IV Very High Temperature Reactor (VHTR) design is being actively studied in various countries for application due to its inherent passive safe design, higher thermal efficiencies, and proposed capability of providing high temperature process heat. The pebble bed core is one of two core designs used in gas reactors. In the pebble bed core there are mechanisms present which can cause the flow to laminarize, thus reducing its heat transfer effectiveness. Wind tunnel experiments were conducted using Particle Image Velocimetry (PIV) to investigate boundary layer laminarization due to flow acceleration and convex curvature effects. The flow was subject to acceleration and curvature both separately and together and the flow behavior characterized with velocity flow profiles, mean boundary layer parameters, and turbulence quantities. Laminarization was identified and the influence of acceleration and curvature was characterized.
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  • description.provenance : Made available in DSpace on 2012-07-30T21:37:05Z (GMT). No. of bitstreams: 3 license_rdf: 23457 bytes, checksum: 4a5c7b919ee3cd4f4b33a0bb0951de6b (MD5) license_text: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) JacksonRBrian2012.pdf: 13606144 bytes, checksum: 08738414267c8a17184e7d09e5fd7bab (MD5) Previous issue date: 2012-06-15
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  • description.provenance : Approved for entry into archive by Julie Kurtz(julie.kurtz@oregonstate.edu) on 2012-07-27T16:21:47Z (GMT) No. of bitstreams: 3 license_rdf: 23457 bytes, checksum: 4a5c7b919ee3cd4f4b33a0bb0951de6b (MD5) license_text: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) JacksonRBrian2012.pdf: 13606144 bytes, checksum: 08738414267c8a17184e7d09e5fd7bab (MD5)

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