This $584,946 Project Grant award from the National Science Foundation's Engineering Program (CFDA 47.041) will support research at Northeastern University to develop an experimental platform that combines advanced diagnostic techniques to study the detailed dynamics as complex fluid droplets impact surfaces. The goal is to generate a systematic understanding of how the complex fluid properties and flow behavior are coupled during droplet impact events, which have broad applications in nature...
This $200,000 National Science Foundation project grant supports research at Baylor University investigating the contact dynamics of viscoelastic liquid drops. Funded under the NSF Directorate for Engineering's $47.041 CFDA Engineering program, the two-year award will analyze nano- to millimeter-scale droplet behavior using experiments and modeling. Researchers will examine how polymer additives impact air entrainment under moving drops and characterize energy losses from trapped air films...
This $347,379 Project Grant award from the National Science Foundation's Engineering program (CFDA 47.041) supports research on the transport, self-assembly, and deposition of suspended particles in evaporating colloidal droplets. The goal is to examine the motion of particles in drying droplets and link the particle transport to the final deposition patterns, with applications in areas like forensics, disease diagnostics, and biodetection. The research involves high-fidelity numerical...
This $220,000 Project Grant award from the National Science Foundation's (NSF) Engineering program (CFDA 47.041) aims to advance the understanding of how soft, deformable particles, such as oil droplets and cells, move through complex environments consisting of narrow constrictions and obstacles. The award to Emory University will systematically investigate the flow of bubbles and droplets through obstacle arrays, studying the effects of particle surface tension, obstacle density, size, and...
This five-year, $430,928 project grant from the National Science Foundation's Engineering program (CFDA 47.041) will fund research into the dynamics of droplet impact and mixing on liquid films. The awardee, University of California San Diego, will use advanced experimental techniques including high-speed imaging, interferometry, particle image velocimetry, and laser-induced fluorescence to study impact dynamics and mixing behavior from the sub-micron to millimeter scale. Experiments will...
This $250,000 federal Project Grant award from the National Science Foundation's (NSF) Engineering program (CFDA 47.041) will fund research to investigate the motion and self-propulsion of "Marangoni surfers" on spherical liquid interfaces, such as levitating water droplets in microgravity aboard the International Space Station (ISS). The primary objective is to establish a computational-experimental framework to study the complex interactions between active particle motion,...
This Project Grant award from the National Science Foundation's (NSF) Engineering program (CFDA 47.041) supports collaborative research to improve the understanding of the hydrodynamic instability mechanisms that govern the breakup of shock-driven liquid sheets into droplets. The $297,599 award to the Texas A&M Engineering Experiment Station (Tees) will fund detailed numerical simulations and detonation tube experiments to develop a "lifecycle" model describing the evolution of...
This National Science Foundation (NSF) Engineering (CFDA 47.041) project grant award of $306,449 to the Texas A&M Engineering Experiment Station (Tees) aims to significantly improve the understanding of droplet breakup under complex, variable accelerations. The project will use a combination of experiments and simulations to examine droplet breakup behavior and develop a hydrodynamic instability-based model that can be used to predict droplet breakup in a wide range of applications, such...
This $230,000 federal Project Grant award from the National Science Foundation (NSF) Engineering program (CFDA 47.041) aims to advance the understanding of how soft, deformable particles such as oil droplets and cells move through complex environments. The Research Foundation of the City University of New York (RFCUNY) at the City College campus is leading this collaborative research project, which combines carefully designed experiments with advanced computer simulations. The goal is to develop...
This $304,957 federal Project Grant award from the National Science Foundation's (NSF) Mathematical and Physical Sciences (CFDA 47.049) program supports a 5-year research effort at Williams College to investigate the fundamental science behind the dynamics of fluid surfaces in constrained geometries. The research team will employ high-speed videography, microscopy, and digital image processing to quantify and gain new insights into the interplay between surface tension, viscosity, flow, and...