NSF award 2618773 · Worcester Polytechnic Institute

Collaborative Research: Thermal Transport in Supercooled Droplet Freezing on Superhydrophobic and Ultrasonically Vibrating Surfaces for Enhanced De-Icing

Final report due

28 November 2029

in 1,136 days · The award ends on 31 July 2029.

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Decide about an extension2 Apr 2029in 896 days
award ending 2029-07-31 · Research.gov
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Extension request16 Jun 2029in 971 days
award ending 2029-07-31 · Research.gov
PAPPG 24-1: “at least 45 days prior to the end date”
No-cost extension notice21 Jul 2029in 1006 days
award ending 2029-07-31 · Research.gov
PAPPG 24-1: “at least ten calendar days prior to the end date”
Final report due28 Nov 2029in 1136 days
award ending 2029-07-31 · Research.gov
PAPPG 24-1: “no later than 120-days following the end date of the award”
Project outcomes report due28 Nov 2029in 1136 days
award ending 2029-07-31 · Research.gov
PAPPG 24-1: “no later than 120 days following the end date”
Award is closed out28 Nov 2029in 1136 days
award ending 2029-07-31 · Research.gov
PAPPG 24-1: “financially closed out 120 days after their expiration date”

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NSF lists this award's end date as 31 July 2029.
NSF rules say the final report is due no later than 120 days after that.
So the final report is due by 28 November 2029.

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Award card

Award number: 2618773
Period of support: 15 Aug 2026 – 31 Jul 2029
Amount: $272,110
Awardee: Worcester Polytechnic Institute, Worcester, MA
Program: TTP-Thermal Transport Process
Directorate: ENG

Abstract

This project will analyze what happens when supercooled water droplets hit cold surfaces. Supercooled droplets are unique because they stay liquid below the freezing point (0 C). Tiny laboratory droplets can stay liquid down to -40 C. This study will examine hidden freezing processes and the way droplets interact with surfaces. The research will explore ways to stop or delay ice buildup, which is important…

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