Karthik Visvanathan
Papers
1
Total Citations
8
H-Index
1
About
Karthik Visvanathan is a researcher whose work lies at the intersection of microfluidics, surface-tension-driven phenomena, and soft robotics. His most notable contribution is the pioneering development of a floating mini-robot propelled and steered by thermal Marangoni flows, a concept detailed in his highly cited 2009 paper. This work demonstrated how localized heating of a liquid surface creates surface tension gradients, generating tangential flows that can be harnessed for precise, contactless actuation. By leveraging the normal component of surface tension to maintain buoyancy, Visvanathan’s design eliminated the need for propellers or moving parts, offering a novel approach to miniaturized locomotion on fluid interfaces. Though his published output is focused, this foundational study has garnered significant attention (8 citations) for its elegant simplicity and potential applications in environmental monitoring, lab-on-a-chip systems, and autonomous microrobotics. Visvanathan’s research exemplifies how fundamental fluid dynamics can be translated into innovative engineering solutions, inspiring subsequent work in Marangoni-effect-based actuators and soft, untethered robots.
Research Focus
Key Achievements
Top Papers
- 1