Diffusion and chemical interaction of hydroxyl generated from photodissociation of water vapor in the temperature range in 294 K–891 K  in helium flow

Jun Shao; GuoHua Li; JingFeng Ye; ZhenRong Zhang; Zhen Zhang; ZhiYun Hu; Sheng Wang; JingYin Li

doi:10.1063/5.0030979

AIP Advances (Nov 2020)

Diffusion and chemical interaction of hydroxyl generated from photodissociation of water vapor in the temperature range in 294 K–891 K in helium flow

Jun Shao,
GuoHua Li,
JingFeng Ye,
ZhenRong Zhang,
Zhen Zhang,
ZhiYun Hu,
Sheng Wang,
JingYin Li

Affiliations

Jun Shao: School of Energy and Power Engineering, Xi’an Jiaotong University, Xi’an, China
GuoHua Li: School of Energy and Power Engineering, Xi’an Jiaotong University, Xi’an, China
JingFeng Ye: State Key Laboratory of Laser Interaction with Matter, Northwest Institute of Nuclear Technology, Xi’an, China
ZhenRong Zhang: State Key Laboratory of Laser Interaction with Matter, Northwest Institute of Nuclear Technology, Xi’an, China
Zhen Zhang: State Key Laboratory of Laser Interaction with Matter, Northwest Institute of Nuclear Technology, Xi’an, China
ZhiYun Hu: State Key Laboratory of Laser Interaction with Matter, Northwest Institute of Nuclear Technology, Xi’an, China
Sheng Wang: State Key Laboratory of Laser Interaction with Matter, Northwest Institute of Nuclear Technology, Xi’an, China
JingYin Li: School of Energy and Power Engineering, Xi’an Jiaotong University, Xi’an, China

DOI: https://doi.org/10.1063/5.0030979
Journal volume & issue: Vol. 10, no. 11
pp. 115315 – 115315-7

Abstract

Read online

This paper summarizes the direct observation of tagged hydroxyl within 200 µs after its formation in the temperature range of 294 K–891 K. We estimate the time and temperature frame of the coexistence of chemical reactions and diffusion based on analysis of the behavior of the tagging fluorescence spot of photodissociation hydroxyl. The reasons for the existence of chemical reactions and interactions between chemical reactions and diffusion are then analyzed. Theoretical and experimental identification of this frame can be explored for non-contact spectral measurements based on hydroxyl in a general flow field.

Published in AIP Advances

ISSN: 2158-3226 (Online)
Publisher: AIP Publishing LLC
Country of publisher: United States
LCC subjects: Science: Physics
Website: http://aipadvances.aip.org/

About the journal