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Kripa K. Varanasi

Researcher at Massachusetts Institute of Technology

Publications -  226
Citations -  12139

Kripa K. Varanasi is an academic researcher from Massachusetts Institute of Technology. The author has contributed to research in topics: Wetting & Drop (liquid). The author has an hindex of 46, co-authored 214 publications receiving 9831 citations. Previous affiliations of Kripa K. Varanasi include General Electric & Northwestern University.

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Droplet mobility on lubricant-impregnated surfaces

TL;DR: In this paper, the authors examined the fundamental physico-chemical hydrodynamics that arise when droplets, immiscible with the lubricant, are placed on and allowed to move along these surfaces.
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Reducing the contact time of a bouncing drop

TL;DR: It is demonstrated that it is possible to reduce the contact time below this theoretical limit by using superhydrophobic surfaces with a morphology that redistributes the liquid mass and thereby alters the drop hydrodynamics.
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Relationships between Water Wettability and Ice Adhesion

TL;DR: It is argued that any further appreciable reduction in ice adhesion strength will require textured surfaces, as no known materials exhibit receding water contact angles on smooth/flat surfaces that are significantly above those reported here (i.e., the values of [1 + cos θ(rec)] reported here have essentially reached a minimum for known materials).
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Frost formation and ice adhesion on superhydrophobic surfaces

TL;DR: In this paper, the authors used an environmental scanning electron microscope to study frost formation and its impact on icephobic properties of super-hydrophobic surfaces, and showed that frost nucleation occurs indiscriminately on super hydrophobic textures without any particular spatial preference.
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Hydrophobicity of rare-earth oxide ceramics

TL;DR: This work shows that a class of ceramics comprising the entire lanthanide oxide series, ranging from ceria to lutecia, is intrinsically hydrophobic, and attributes their hydrophobicity to their unique electronic structure, which inhibits hydrogen bonding with interfacial water molecules.