Engineering and Technology

Holding water in a sieve—stable droplets without surface tension

N. P. Longmire, S. L. Showalter, et al.

Discover groundbreaking research by N. P. Longmire, S. L. Showalter, and D. T. Banuti, revealing a fascinating new mechanism for sharpening interfacial density gradients without surface tension. This innovative work challenges conventional wisdom about phase interfaces and supercritical fluids, paving the way for enhanced fuel injection and heat transfer in high-pressure systems.

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Abstract

This paper introduces a new physical mechanism causing sharpening of interfacial density gradients in the absence of surface tension: thermal gradient-induced interfaces (TGIIF). It shows that stable droplets, bubbles, and planar interfaces can exist without surface tension, challenging our understanding of phase interfaces and supercritical fluids. This mechanism could optimize fuel injection and heat transfer in high-pressure systems.

Publisher

Nature Communications

Published On

Jul 06, 2023

Authors

N. P. Longmire, S. L. Showalter, D. T. Banuti

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