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High frequency measurement of temperature and composition spots with LITGS

Abstract:

Temperature and composition spots in a turbulent flow are detected and time-resolved using laser-induced thermal grating spectroscopy (LITGS). A 355 nm wavelength particle image velocimetry laser is operated at 0.5–1 kHz to generate the thermal grating using biacetyl as an absorber in trace amounts. In an open laminar jet, a feasibility study shows that small (≃ 3%) fluctuations in the mean flow properties are well captured with LITGS. However, corrections of the mean flow properties by the p...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Accepted Manuscript

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Publisher copy:
10.1115/1.4041275

Authors


De Domenico, F More by this author
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Publisher:
American Society of Mechanical Engineers Publisher's website
Journal:
Journal of Engineering for Gas Turbines and Power Journal website
Volume:
141
Issue:
3
Pages:
031003
Publication date:
2018-10-04
Acceptance date:
2018-08-07
DOI:
EISSN:
1528-8919
ISSN:
0742-4795
Pubs id:
pubs:925504
URN:
uri:beac6ee5-2c43-4ee2-9afd-2439145c8558
UUID:
uuid:beac6ee5-2c43-4ee2-9afd-2439145c8558
Local pid:
pubs:925504

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