Improved Method for Quantitative Measurement of OH Radicals Based on Absorption Spectroscopy
Xiu Yang, Jie Cui, Rui Ma, Lindan Yue, Yongzhuo Yin, Janhua Qi, Youning Xu, Benchuan Xu, Liang Zhu · 2025
Read Improved Method for Quantitative Measurement of OH Radicals Based on Absorption Spectroscopy by Xiu Yang, Jie Cui, Rui Ma, Lindan Yue, Yongzhuo Yin, Janhua Qi, Youning Xu, Benchuan Xu, Liang Zhu (2025) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/pmc-12788027.txt.
Description
Xiu Yang and co-authors improve a way to measure OH radicals in flames in a 2025 paper. OH radicals are short-lived reactive bits that mark where burning takes place. A common imaging method for them shifts a lot with heat, and its scale factors travel poorly between setups. The team set out to fix that weakness.
Their method pairs the imaging with absorption spectroscopy, which reads how much light the radicals soak up. Two spectral lines give the heat, so the reading can be corrected for it on the fly. Across varied fuel flows, the scale factor now stayed within a tight band. Mean errors fell to roughly half of the uncorrected level. The authors say the fix makes the measure firm enough for work across varied flame settings.
Catalog record
| CREATOR | Xiu Yang, Jie Cui, Rui Ma, Lindan Yue, Yongzhuo Yin, Janhua Qi, Youning Xu, Benchuan Xu, Liang Zhu |
|---|---|
| YEAR | 2025 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 37 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |