Abstract
A system for measurement of species, temperature, and velocity in supersonic flow at high temperatures produced in an arc-jet tunnel is presented. The measurement will quantify nitric oxide (NO) and water (H2O). Nitric oxide is produced during the arc discharge and has available rovibrational transition in the mid-infrared. Water exists in the air used for the tunnel, and will also exist at the exit of the nozzle, with many rovibrational transitions in the infrared. Tunable diode laser absorption spectroscopy will be used to measure temperature, gas velocity, and NO and H2O concentration. Our measurements will be used to evaluate and improve the accuracy of the spectral databases (HITRAN and HITEMP) at temperatures of up to 5000 K. The results of this research will help connect theory to experiment, increasing the utility of the arc-jet tunnel facility by quantifying the initial conditions for all experiments.
| Original language | English |
|---|---|
| Pages | 284-290 |
| Number of pages | 7 |
| State | Published - 2020 |
| Event | 60th Israel Annual Conference on Aerospace Sciences, IACAS 2020 - Tel Aviv and Haifa, Israel Duration: 4 Mar 2020 → 5 Mar 2020 |
Conference
| Conference | 60th Israel Annual Conference on Aerospace Sciences, IACAS 2020 |
|---|---|
| Country/Territory | Israel |
| City | Tel Aviv and Haifa |
| Period | 4/03/20 → 5/03/20 |
All Science Journal Classification (ASJC) codes
- Aerospace Engineering