16 citations · 16 across the 4 of their papers we have counts for
4 papers
Emissivity of oxidizing titanium in simulated atmospheric entry flows
Andrea Fagnani, Bernd Helber, Annick Hubin +1
The aerothermal demise of titanium components plays a critical role in the uncontrolled re-entry of space debris from low-Earth orbit. Exposure to high temperatures and dissociated…
Characterization of the VKI Plasmatron subsonic ICP jet combining optical emission spectroscopy, intrusive measurements, and CFD simulations
Andrea Fagnani, Bernd Helber, Damien Le Quang +4
This paper addresses the characterization of the subsonic flow in the 1.2~MW Inductively Coupled Plasma (ICP) wind tunnel at the von Karman Institute for Fluid Dynamics (VKI), targ…
Line-of-sight gas radiation effects on near-infrared two-color ratio pyrometry measurements during plasma wind tunnel experiments
Andrea Fagnani, Bernd Helber, Annick Hubin +1
Two-color ratio pyrometry is commonly used to measure the surface temperature of aerospace materials during plasma wind tunnel experiments. However, the effect of the plasma radiat…
A surrogate-based optimal likelihood function for the Bayesian calibration of catalytic recombination in atmospheric entry protection materials
Anabel del Val, Olivier P. Le Maître, Olivier Chazot +2
This work deals with the inference of catalytic recombination parameters from plasma wind tunnel experiments for reusable thermal protection materials. One of the critical factors…