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Applied Thermal Sciences

Srinivas Vanapalli

The group focuses on studying heat and mass transfer phenomena at cryogenic temperatures to explore fundamentals and applications of thermal sciences in space and time domains.

We adopt experimental and numerical approach to systematically understand the cooling processes in several application areas e.g. sample preparation for cryogenic electron microscopy, spray cooling, cold transportation, vitrification, and cryoablation.

The cartoon shows my research area. The S-curve representing the heat flux as a function of the superheat i.e. the temperature difference between the solid and the liquid captures the various regimes of heat transfer. Most of the studies are focused on the fundamentals of bubble formation and the subsequent fluid mechanics and heat transfer in the so-called nucleate regime i.e. when the object is already cold and the cooling by the fluid is to maintain the objects temperature, which  we call steady state. My interest is to investigate the factors that play a role during the cooling of an object from a room temperature to a cryogenic temperature, namely the transient state. 

Research Highlights

CHMT conference

Acknowledgement to the following funding sources