Project No: FE0012053
Performer: University of Texas at Austin


Contacts

Duration
Award Date:  10/01/2013
Project Date:  09/30/2016

Cost
DOE Share: $500,000.00
Performer Share: $125,000.00
Total Award Value: $625,000.00

Performer website: University of Texas at Austin - http://www.utexas.edu/

Advanced Energy Systems - Hydrogen Turbines

Predictive Large Eddy Simulation Modeling and Validation of Turbulent Flames and Flashback in Hydrogen Enriched Gas Turbines

Project Description

The overall objective of this University of Texas project is to develop predictive computational models for large eddy simulations (LES) for capturing flame flashback and propagation in high-hydrogen content fuels in high-pressure gas turbines. The focus will be on two key topics: behavior of high-pressure turbulent flames with and without equivalence ratio variations, and flashback propagation through a turbulent boundary layer. The predictive accuracy of the models for gas turbine operating conditions will be demonstrated using a combination of targeted experiments, legacy data, and high-resolution direct numerical simulation (DNS) data.

Time sequence of flame luminosity during flashback of a methane-hydrogen swirl flame.

Time sequence of flame luminosity during flashback
of a methane-hydrogen swirl flame.


Program Background and Project Benefits

This project will focus on the development of a computational model that can capture flame flashback and propagation for combustion of high hydrogen content (HHC) fuels. Improving large-eddy simulation models for HHC fuels will lead to hydrogen combustor designs that produce fewer emissions at higher temperatures. Specifically, this project will construct a moderate-pressure turbulent stratified burner test facility to validate the predictive model with correlations between mixture fraction and velocity and flame front geometry over a wide range of turbine relevant conditions.