NDLI: Simultaneous measurement of localized heat release with OH/CH2O-LIF imaging and spatially integrated OH∗ chemiluminescence in turbulent swirl flames

Content Provider	Springer Nature Link
Author	Röder, M. Dreier, T. Schulz, C.
Copyright Year	2012
Abstract	The in-situ and localized observation of heat release in turbulent flames is important for the validation of computational modeling of turbulent flows with combustion. In the present work we obtain localized information on heat release rate (HRR) by the commonly accepted technique of the simultaneous and single-shot planar imaging of OH and CH2O concentrations by laser-induced fluorescence (LIF). Additionally, we combine this with the simultaneous line-of-sight and temporally resolved chemiluminescence detection of OH∗, spatially integrated within the flame volume, interrogated by the laser sheets used for the HRR imaging technique. The combined diagnostic methods are demonstrated for a swirl-stabilized, premixed turbulent methane/air flame of 30-kW thermal power, and they show the existence of correlations between both HRR-sensitive diagnostic techniques.
Starting Page	611
Ending Page	617
Page Count	7
File Format	PDF
ISSN	09462171
Journal	Applied Physics B
Volume Number	107
Issue Number	3
e-ISSN	14320649
Language	English
Publisher	Springer-Verlag
Publisher Date	2012-03-30
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Physical Chemistry Quantum Optics Laser Technology, Photonics Optics, Optoelectronics, Plasmonics and Optical Devices Physics Engineering
Content Type	Text
Resource Type	Article
Subject	Physics and Astronomy

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Simultaneous measurement of localized heat release with OH/CH2O-LIF imaging and spatially integrated OH∗ chemiluminescence in turbulent swirl flames