Quantitative measurement of density fluctuations with a full-field laser interferometric vibrometer.
Felix GreiffenhagenJakob WoisetschlägerJohannes GürtlerJürgen Czarske
Published in: Experiments in fluids (2019)
a Time-averaged density gradient within the combustor in lateral direction. b Density fluctuations along line-of-sight 7 ms after ignition. c Phase-averaged and local heat release fluctuations at 225 Hz perturbation frequency.