Project Grant NNM13AA11G

This $171,593 National Science Foundation project grant will fund research to indirectly measure combustion reaction rates through laminar flame speed measurements. The NSF Division of Chemical, Bioengineering, Environmental, and Transport Systems awarded this funding under the Engineering program (CFDA 47.041). California State University, Los Angeles will utilize a meso-scale diverging channel to measure laminar flame speeds of rich ethylene flames. These measurements taken at atmospheric...

This Project Grant from the National Science Foundation's Engineering program (CFDA 47.041) provides $508,122 to San Diego State University Research Foundation from March 1, 2022 to February 28, 2027. The funding supports research into soot formation processes in elevated temperature flames, with the goal of developing new models to accurately capture soot behavior in higher temperature combustion regimes including rocket propulsion and emerging technologies. Specifically, the grantee will...

This SBIR Phase I award from the National Science Foundation (NSF) Technology, Innovation, and Partnerships (TIP) program (CFDA 47.084) provides $275,000 to demonstrate the advantages of using pulsed reactant detonations in a rocket engine design to increase thrust and engine efficiency. The project aims to develop a novel "Pulsar Rocket Engine" that leverages detonation cycles to temporarily create a partial vacuum in the combustion chamber, enabling greater mass flow rates and...

This $200,000 National Science Foundation project grant supports the development of new diagnostic tools and combustion models for carbon-free fuels through the Engineering (CFDA 47.041) program. Funded from February 2022 through January 2024, the University of Texas at San Antonio will perform high-pressure absorption spectroscopy of ammonia combustion gases using an optical gas cell and shock tube. Thermodynamic models will predict absorbance spectra at temperatures and pressures relevant...

This Project Grant award from the National Science Foundation's (NSF) Mathematical and Physical Sciences (CFDA 47.049) program provides $450,000 to Purdue University to develop a database of plasma photoionization processes that are critical for applications in combustion and high-speed aerodynamics research. The key products and services to be delivered under this 3-year grant include: Establishing a vacuum testing facility equipped with a Thomson coherent microwave scattering (TMS) system...

This Project Grant award from the National Science Foundation (NSF) Division of Chemical, Bioengineering, Environmental, and Transport Systems (CBET) under the Engineering program (CFDA 47.041) supports research on the combustion behavior of new sustainable and environmentally friendly fuels, including ammonia and dimethyl ether (DME) blends. The $345,000 award to Wayne State University aims to investigate the "autoignition-assisted flame regime" of these fuel mixtures, focusing on...

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 $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 National Science Foundation (NSF) has awarded a 5-year, $443,602 CAREER grant to the Massachusetts Institute of Technology (MIT) to advance plasma-assisted combustion (PAC) technology for low-emission, sustainable fuels. The project aims to deepen the understanding of how plasma strategies can stabilize turbulent flames and optimize NOx emissions, with a focus on CO2-free fuels like hydrogen and ammonia. Key goals include developing numerical models for plasma-assisted flamelets,...

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...