This $445,930 National Science Foundation project grant through the Engineering (47.041) program will fund the development of efficient methods to calibrate models for missing physics in simulations of complex turbulent reacting flows. The University of Notre Dame will optimize turbulence closures and develop an adjoint-based optimization method for canonical flows and a co-optimization framework leveraging adjoint and ensemble Kalman-based optimization for geometrically complex flows. The...
The Massachusetts Institute of Technology (MIT) received a $320,000 project grant award from the National Science Foundation Division of Chemical, Bioengineering, Environmental, and Transport Systems under the Engineering (47.041) federal grant program. The award will support the development of a unified closure model for computational fluid dynamics capable of accounting for diverse flow phenomena through May 2026. Specifically, MIT will couple fundamental physics and machine learning...
This $354,405 Project Grant awarded by the National Science Foundation (NSF) Engineering program (CFDA 47.041) to Arizona State University aims to develop a modeling framework for large-eddy simulation of turbulent premixed flame in order to discover closure terms that describe combustion-induced energy backscatter. The research is expected to provide new subgrid-scale models that can accurately capture energy backscatter in turbulent premixed flame, which is critical for improving the...
This $270,480 National Science Foundation project grant will support the development of adaptive physics-informed machine learning strategies for turbulent combustion modeling at Louisiana State University from June 2022 to May 2025. The university will work to address the excessive computational costs of simulating turbulent combustion by introducing machine learning models within physically derived low-dimensional manifolds. These models will be adaptive, consistent with underlying physical...
This federal Project Grant award from the National Science Foundation's Engineering program (CFDA 47.041) provides $198,529 to the Florida Institute of Technology Inc. (Florida TECH) to conduct advanced numerical simulations and experiments on turbulent combustion in high-speed aerospace propulsion systems. The goal is to develop improved models and predictive capabilities for designing safer and more efficient scramjet and ramjet engines. The research integrates direct numerical simulations,...
This National Science Foundation project grant of $318,990 will fund research at Marquette University from January 2023 through December 2025 to develop a state-of-the-art combustion simulation tool for modeling multicomponent fuel droplets in high-pressure engine environments. The tool aims to capture the impact of realistic fuel composition on soot formation with greater fidelity than existing surrogate approaches. As part of the NSF Engineering program (CFDA 47.041), the research seeks to...
This Project Grant award from the National Science Foundation's Division of Chemical, Bioengineering, Environmental, and Transport Systems (CBET) under the Engineering (CFDA 47.041) program will provide $555,000 to the University of Texas at Austin from August 1, 2023 through July 31, 2026. The primary objectives of the project are to: 1) Generate a comprehensive database on turbulence-chemistry interactions in turbulent flames of ammonia/hydrogen fuel blends through large-scale direct numerical...
The National Science Foundation awarded a $505,406 Project Grant to the University of Utah under the Engineering (47.041) federal grant program. The two-year award will support the development of fast, high-accuracy solvers for low-Mach turbulent reacting flows. The university will replace expensive pressure field calculations in conventional simulation methods with suitable approximations that maintain accuracy and stability. These new methods aim to halve the cost of simulations of complex...
The National Science Foundation (NSF) awarded a $199,993 Project Grant under its Engineering (CFDA 47.041) program to The University Corporation, a non-profit organization located in Northridge, California. The grant supports research to understand the effects of flame curvature and stretch on combustion and soot formation characteristics. The project will develop novel experimental combustion configurations and simplified theoretical models to analyze these phenomena, which are important for...
This $199,990 Project Grant award from the National Science Foundation's Engineering program (CFDA 47.041) supports a research study to develop a simple method for quantifying soot production rates of relevant fuels. The study aims to establish opposed jet gaseous diffusion flames doped with common jet and diesel fuel components, measure soot volume fraction through pyrometry, and numerically simulate the flame structure to accurately quantify soot production rates. The goal is to create a...