Abstract
Aiming at the velocity measurement in harsh combustion flow with high temperature and high speed, the velocity measurement method based on tunable diode laser absorption spectroscopy(TDLAS)was presented. The two-crossed-beams scanned-wavelength direct absorption spectroscopy(SDAS)system with 7185.597cm-1 as center frequency was designed for the velocity measurement of the flow in incoming simulated system, which used the combustion of kerosene fuel to heat the air. Compared with the one-dimensional theoretical calculated value and numerical simulation value, the relative deviations are less than 10%, showing that the velocity measurement using TDLAS is effective value for combustion flow.
| Original language | English |
|---|---|
| Pages (from-to) | 516-520 |
| Number of pages | 5 |
| Journal | Ranshao Kexue Yu Jishu/Journal of Combustion Science and Technology |
| Volume | 21 |
| Issue number | 6 |
| DOIs | |
| State | Published - 15 Dec 2015 |
Keywords
- Combustion diagnostics
- Engine
- Flow velocity
- Measurement
- Tunable diode laser absorption spectroscopy, TDLAS
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