Measurements of liquid film thickness, concentration and temperature of aqueous NaCl solution by NIR absorption spectroscopy

Pan, Rongchao; Jeffries, Jay B.; Dreier, Thomas; Schulz, Christof

doi:10.1007/s00340-015-6149-2

Cited by 16 publications

(1 citation statement)

References 24 publications

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“…In contrast, the two lasers are scanned simultaneously and combined with the fiber-coupler for the WDM scheme. As shown in Figure 3(b), the transmitted lasers for the two transitions at different wavelengths are separated into different detectors after striking a grating (79,80). Compare with the TDM scheme, WDM doubles the temporal resolution at the cost of one more detector.…”

Section: Selection Of Absorption Transitions and Realizationmentioning

confidence: 99%

Laser absorption spectroscopy for combustion diagnosis in reactive flows: A review

Liu

2018

Applied Spectroscopy Reviews

173

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Laser absorption spectroscopy (LAS) has been rapidly developed and widely applied to combustion diagnosis in recent decades. As a costeffective tool for measuring multiple combustion parameters, LAS provides unique properties in terms of accuracy and sensitivity for understanding the reactions and kinetics in reactive flows. Line-ofsight and tomographic LAS techniques have stimulated numerous applications and been proved to be robust for in situ combustion diagnosis in uniform and non-uniform combustion fields, respectively. This review highlights the breakthroughs in the evolution of LAS techniques from the viewpoints of key principles, sensors and instrumentations developed for combustion diagnosis, with particular emphasis on a series of spatially-resolved LAS techniques with their recent applications on obtaining high-fidelity measurement results with minimal intrusion to the practical combustors. Along the way, we note some challenges and requirements for further development of the LAS-based combustion diagnosis.

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Section: Selection Of Absorption Transitions and Realizationmentioning

confidence: 99%