Hegde, R.N.Rao, S.S.Reddy, R.P.2026-02-052010Heat Transfer - Asian Research, 2010, 39, 5, pp. 323-33110992871https://doi.org/10.1002/htj.20301https://idr.nitk.ac.in/handle/123456789/27446The pool boiling characteristics of dilute dispersions of alumina nanoparticles in water were studied. Consistent with other nanofluid studies, it was found that a significant enhancement in critical heat flux (CHF) can be achieved at modest nanoparticle concentrations (<0.1% by volume). During experimentation and subsequent inspection, formation of a porous layer of nanoparticles on the heater surface occurred during nucleate boiling. This layer significantly changes surface texture of the heater wire surface which could be the reason for improvement in the CHF value. © 2010 Wiley Periodicals, Inc.Alumina NanoparticleCritical Heat FluxDilute dispersionsHeater surfaceNano-fluidNanofluidsNanoparticle concentrationsNanoparticle depositionPool boilingPorous layersSurface texturesWire surfacesHeat fluxLakesNanoparticlesNucleate boilingTable lookupNanofluidics