Enhancement of pool boiling heat transfer using nanostructured surfaces on aluminum and copper Public Deposited

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  • Enhanced pool boiling critical heat fluxes (CHF) at reduced wall superheat on nanostructured substrates are reported. Nanostructured surfaces were realized using a low temperature process, microreactor-assisted-nanomaterial-deposition. Using this technique we deposited ZnO nanostructures on Al and Cu substrates. We observed pool boiling CHF of 82.5 W/cm2 with water as fluid for ZnO on Al versus a CHF of 23.2 W/cm2 on bare Al surface with a wall superheat reduction of 25-38 C. These CHF values on ZnO surfaces correspond to a heat transfer coefficient of ~ 23000 W/m2K. We discuss our data and compare the behavior with conventional boiling theory.
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  • Enhancement of pool-boiling heat transfer using nanostructured surfaces on aluminum and copper International Journal of Heat and Mass Transfer, Volume 53, Issues 15-16, July 2010, Pages 3357-3365
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  • description.provenance : Submitted by Sue Kunda (sue.kunda@oregonstate.edu) on 2010-06-07T18:09:30Z No. of bitstreams: 1 Hendricks-etal-Pool-Boiling-ijhmt2009-After-1stReview-Feb3_tjh[1].pdf: 519248 bytes, checksum: 6cf955c53ad817187dd60090109da8b7 (MD5)
  • description.provenance : Approved for entry into archive by Sue Kunda(sue.kunda@oregonstate.edu) on 2010-06-07T18:09:47Z (GMT) No. of bitstreams: 1 Hendricks-etal-Pool-Boiling-ijhmt2009-After-1stReview-Feb3_tjh[1].pdf: 519248 bytes, checksum: 6cf955c53ad817187dd60090109da8b7 (MD5)
  • description.provenance : Made available in DSpace on 2010-06-07T18:09:47Z (GMT). No. of bitstreams: 1 Hendricks-etal-Pool-Boiling-ijhmt2009-After-1stReview-Feb3_tjh[1].pdf: 519248 bytes, checksum: 6cf955c53ad817187dd60090109da8b7 (MD5) Previous issue date: 2010-07

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