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On the lateral fluid motion during pool boiling via preferentially located cavities

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https://ir.library.oregonstate.edu/concern/articles/wm117q80v

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Abstract
  • Passively generated lateral motion of fluid during pool boiling on asymmetrically textured mesoscale structures is discussed in this Letter. The surface texture is in the form of 30°–60° mm-scale ratchets with re-entrant cavities located on the 30° face. High speed visualization of growing bubbles from cavities indicates growth and departure normal to the 30° face of the ratchets. A semi-empirical model of net axial liquid velocity due to the non-vertical bubble growth is developed and validated in a pool boiling experiment.
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  • Kapsenberg, F., Strid, L., Thiagarajan, N., Narayanan, V., & Bhavnani, S. H. (2014). On the lateral fluid motion during pool boiling via preferentially located cavities. Applied Physics Letters, 104(15), 154105. doi:10.1063/1.4871863
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  • 104
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  • 15
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  • This work was supported in part by the National Science Foundation under Grants 0854503 and 0854132 and in part by the National Aeronautics and Space Administration under Grants NNX09AJ98G and NNX09AL63G.
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