Fig. 3: Ground-based experimental platform using butane flame.
From: Mitigating hypersonic heat barrier via direct cooling enhanced by leidenfrost inhibition

a Digital images of the experimental platform. The butane flame in (a) is a digital drawing instead of actual flames for schematic demonstration. b Schematics of the experimental platform. c Flow dynamics of the jet flow used for cooling. t = 0 indicates the moment the syringe pump began to work.