| 1. | Viscous Interactions and Separation in Hypersonic Flow - ONERA / DAFE-EN |
| | This test case has been much enriched by density measurements obtained using a method based on the X radiation of nitrogen molecules excited by a beam of electrons, or Electron Beam Fluorescence (see the figures below).... Successive density profiles measured by Electron Beam Fluorescence in a laminar hypersonic interaction.... |
| |
| 2. | Optical diagnostics in hypersonic flows and in the upper atmosphere - ONERA / DMPH-EN |
| | Pseudo-Spark or Sheet Electron guns for velocity, density and temperature measurements using electron beam fluorescence (EBF) in the visible and X - ray spectral regions... |
| |
| 3. | Mars Sample Return Orbiter in the R5Ch Hypersonic Wind Tunnel - ONERA / DAFE-EN |
| | Display by Electron Beam Fluorescence of the flow around the MSRO.... The figure at the top of the page shows a visualization of the flow around the MSRO created by Electron Beam Fluorescence for an angle of - 4 °C. The next figure maps the heat flow density established by infrared thermography.... |
| |
| 4. | Diagnostics by Electron Beam Fluorescence (EBF) in Hypersonics - ONERA / DMPH-EN |
| | Diagnostics by Electron Beam Fluorescence (EBF) in Hypersonics - ONERA / DMPH-EN... Diagnostics by Electron Beam Fluorescence (EBF) in Hypersonics... Electron beam fluorescence is a well established technique to perform local and non intrusive measurements of density, vibrational and rotational temperatures and velocity in low density hypersonic flows (10 16 molecules / cm 3). We present here some applications in low density hypersonic wind tunnels using different developed at ONERA.... |
| |
| 5. | Results on Flow Visualization using Electron Beam Fluorescence in the R5 Mach 10 Windtunnel - ONERA / DMPH-EN |
| | Results on Flow Visualization using Electron Beam Fluorescence in the R5 Mach 10 Windtunnel - ONERA / DMPH-ENWho are we ?Optical diagnostics in hypersonic flows and in the upper atmosphere... Results on Flow Visualization using Electron Beam Fluorescence in the R5 Mach 10 Windtunnel. Density mesurements are quite easy in a low density gas (up to 1015 molecules / cm3) where the intensity of fluorescence is directly proportional to the density.. |
| |
| 6. | Hypersonic Shock Wave in Martian Atmosphere - ONERA's Science Pictures |
| | Visualization of the shock wave in front of the capsule model is made possible by electron beam fluorescence (1) (Thierry Pot -)... Electron Beam Fluorescence (EBF)... |
| |
| 7. | No title |
| | Results on Flow Visualization using Electron Beam Fluorescence in the R5 Mach 10 Windtunnel... |
| |
