| タイトル | Two-photon excitation of nitric oxide fluorescence as a temperature indicator in unsteady gas-dynamic processes |
| 本文（外部サイト） | http://hdl.handle.net/2060/19800024192 |
| 著者（英） | Mckenzie, R. L.; Gross, K. P. |
| 著者所属（英） | NASA Ames Research Center |
| 発行日 | 1980-09-01 |
| 言語 | eng |
| 内容記述 | A laser induced fluorescence technique, suitable for measuring fluctuating temperatures in cold turbulent flows containing very low concentrations of nitric oxide is described. Temperatures below 300 K may be resolved with signal to noise ratios greater than 50 to 1 using high peak power, tunable dye lasers. The method relies on the two photon excitation of selected ro-vibronic transitions. The analysis includes the effects of fluorescence quenching and shows the technique to be effective at all densities below ambient. Signal to noise ratio estimates are based on a preliminary measurement of the two photon absorptivity for a selected rotational transition in the NO gamma (0,0) band. |
| NASA分類 | INSTRUMENTATION AND PHOTOGRAPHY |
| レポートNO | 80N32700
A-8284
NASA-TM-81220 |
| 権利 | No Copyright |
| URI | https://repository.exst.jaxa.jp/dspace/handle/a-is/171205 |
