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Amy Rachel Betz

Researcher at Kansas State University

Publications -  38
Citations -  1526

Amy Rachel Betz is an academic researcher from Kansas State University. The author has contributed to research in topics: Boiling & Critical heat flux. The author has an hindex of 11, co-authored 36 publications receiving 1170 citations. Previous affiliations of Amy Rachel Betz include Columbia University.

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Boiling heat transfer on superhydrophilic, superhydrophobic, and superbiphilic surfaces

TL;DR: In this article, the authors characterized pool boiling on surfaces with wettabilities varied from superhydrophobic to super-hydrophilic, and provided nucleation measurements, and developed an analytical model that describes how biphilic surfaces effectively manage the vapor and liquid transport, delaying critical heat flux and maximizing the heat transfer coefficient.
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Do surfaces with mixed hydrophilic and hydrophobic areas enhance pool boiling

TL;DR: In this paper, the authors demonstrate that smooth and flat surfaces combining hydrophilic and hydrophobic patterns improve pool boiling performance, up to a 65% and 100% increase in critical heat flux and heat transfer coefficients.
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Surface engineering for phase change heat transfer: A review

TL;DR: In this paper, the authors make the argument that optimum surfaces need to address the specificities of phase change heat transfer in the way that a key matches its lock, which calls for the design and fabrication of adaptive surfaces with multiscale textures and non-uniform wettability.
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Can segmented flow enhance heat transfer in microchannel heat sinks

TL;DR: In this article, a polycarbonate heat sink consisting of an array of seven parallel micro-channels with a square cross-section 500μm wide was designed to increase the Nusselt number of laminar flow by more than 100% provided the mass velocity of the liquid is within the range 330-2000 kg/m2
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Surface Engineering for Phase Change Heat Transfer: A Review

TL;DR: In this paper, the fabrication techniques available for metallic and silicon-based surfaces, considering sintered and polymeric coatings, are reviewed and the influence of such surfaces in multiphase processes of high practical interest, e.g., boiling, condensation, freezing and the associated physical phenomena are reviewed.