On the Quantification of Boundary Layer Effects on Flame Temperature Measurements Using Line-of-sight Absorption Spectroscopy Article Swipe
Liuhao Ma
,
Kin-Pang Cheong
,
Min Yang
,
Chaokai Yuan
,
Wei Ren
·
YOU?
·
· 2021
· Open Access
·
· DOI: https://doi.org/10.1080/00102202.2021.1925657
YOU?
·
· 2021
· Open Access
·
· DOI: https://doi.org/10.1080/00102202.2021.1925657
We studied the boundary layer effects on flame temperature measurements using line-of-sight (LOS) absorption spectroscopy. The primary objective is to quantify the measurement uncertainty of the LOS-determined temperature, which is influenced by the thermal and species boundary layers existing in standard laminar premixed flames. The boundary layer thickness (delta), central flame temperature (T-c) and species concentration (X-c) are the major factors investigated in this work. Typical absorption lines of H2O in the wavelength range of 1.4-2.9 mu m were examined under different boundary layer conditions (delta/L = 0-50%, L is the optical path length above the flame; T-c = 1400-2200 K; and X-c = 14-20%). As a result, the thermal boundary layer is observed to contribute mainly to the temperature deviation of the LOS measurement, which increases with delta and T-c. In comparison, the variation of X-c between 14% and 20% has a negligible effect on the temperature measurement in the presence of both thermal and species boundary layers. A systematical investigation of all the selected line pairs reveals that a properly selected line pair reduces the temperature deviation by a maximum of 16.8% under typical laminar flame conditions. The particular line pair centered at 4029.52 cm(-1) and 4030.73 cm(-1), which could be detected by a single tunable semiconductor laser, is recommended for the LOS temperature measurement over a temperature range of 1400-2200 K. Finally, we performed a case study of five representative temperature measurements in laminar flames and successfully corrected the LOS-determined temperature by taking into account the boundary layer effects.
Related Topics
Concepts
Laminar flow
Boundary layer
Analytical Chemistry (journal)
Atmospheric temperature range
Temperature measurement
Absorption (acoustics)
Line (geometry)
Absorption spectroscopy
Chemistry
Adiabatic flame temperature
Materials science
Spectroscopy
Optics
Thermodynamics
Combustion
Combustor
Geometry
Physical chemistry
Composite material
Chromatography
Mathematics
Quantum mechanics
Physics
Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1080/00102202.2021.1925657
- OA Status
- green
- Cited By
- 9
- References
- 46
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W3164193822
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W3164193822Canonical identifier for this work in OpenAlex
- DOI
-
https://doi.org/10.1080/00102202.2021.1925657Digital Object Identifier
- Title
-
On the Quantification of Boundary Layer Effects on Flame Temperature Measurements Using Line-of-sight Absorption SpectroscopyWork title
- Type
-
articleOpenAlex work type
- Language
-
enPrimary language
- Publication year
-
2021Year of publication
- Publication date
-
2021-05-19Full publication date if available
- Authors
-
Liuhao Ma, Kin-Pang Cheong, Min Yang, Chaokai Yuan, Wei RenList of authors in order
- Landing page
-
https://doi.org/10.1080/00102202.2021.1925657Publisher landing page
- Open access
-
YesWhether a free full text is available
- OA status
-
greenOpen access status per OpenAlex
- OA URL
-
https://dspace.imech.ac.cn/handle/311007/86822Direct OA link when available
- Concepts
-
Laminar flow, Boundary layer, Analytical Chemistry (journal), Atmospheric temperature range, Temperature measurement, Absorption (acoustics), Line (geometry), Absorption spectroscopy, Chemistry, Adiabatic flame temperature, Materials science, Spectroscopy, Optics, Thermodynamics, Combustion, Combustor, Geometry, Physical chemistry, Composite material, Chromatography, Mathematics, Quantum mechanics, PhysicsTop concepts (fields/topics) attached by OpenAlex
- Cited by
-
9Total citation count in OpenAlex
- Citations by year (recent)
-
2025: 2, 2024: 2, 2023: 2, 2021: 3Per-year citation counts (last 5 years)
- References (count)
-
46Number of works referenced by this work
- Related works (count)
-
10Other works algorithmically related by OpenAlex
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