1. Laboratory of Research on Fluid Dynamics and Combustion Technologies (LIFTEC), CSIC−University of Zaragoza, María de Luna, 10, Zaragoza 50018, Spain
2. Instituto de Carboquı́mica (ICB—CSIC), Zaragoza 50018, Spain
3. Fluid Mechanics Group/LIFTEC, CSIC−University of Zaragoza, Zaragoza 50018, Spain