Characterization of turbulence by air photolysis and recombination tracking (APART)

T. Elenbaas; N.M. Sijtsema; R.A.L. Tolboom; N.J. Dam; W. van de Water; J.J. ter Meulen

doi:10.2514/6.2002-694

Characterization of turbulence by air photolysis and recombination tracking (APART)

T. Elenbaas, N.M. Sijtsema, R.A.L. Tolboom, N.J. Dam, W. van de Water, J.J. ter Meulen

Fluids and Flows

Research output: Contribution to conference › Paper › Academic

4 Citations (SciVal)

Abstract

In this paper we discuss the possibilities of Molecular Tagging Velocimetry (MTV) method called APART for fundamental turbulence research. We have investigated relevant characteristics of the method such as signal intensities, lifetime of the tagged molecules, spatial resolution and velocity resolution to determine whether the method is suitable for measuring turbulence over a large range of scales. Tagging is done at the outflow of a strongly turbulent free jet. It is shown that 2 mJ/pulse is minimally needed to create LIF in the 4 mm² 'read' area. Tagging lines down to 50 μm cross section can now be reached. Using a Gaussian fit algorithm velocities with an accuracy of 0.8 ms^-1 can be calculated.

Original language	English
DOIs	https://doi.org/10.2514/6.2002-694
Publication status	Published - 1 Dec 2002
Event	40th AIAA Aerospace Sciences Meeting and Exhibit 2002 - Reno, NV, United States Duration: 14 Jan 2002 → 17 Jan 2002

Conference

Conference	40th AIAA Aerospace Sciences Meeting and Exhibit 2002
Country/Territory	United States
City	Reno, NV
Period	14/01/02 → 17/01/02

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title = "Characterization of turbulence by air photolysis and recombination tracking (APART)",

abstract = "In this paper we discuss the possibilities of Molecular Tagging Velocimetry (MTV) method called APART for fundamental turbulence research. We have investigated relevant characteristics of the method such as signal intensities, lifetime of the tagged molecules, spatial resolution and velocity resolution to determine whether the method is suitable for measuring turbulence over a large range of scales. Tagging is done at the outflow of a strongly turbulent free jet. It is shown that 2 mJ/pulse is minimally needed to create LIF in the 4 mm2 'read' area. Tagging lines down to 50 μm cross section can now be reached. Using a Gaussian fit algorithm velocities with an accuracy of 0.8 ms-1 can be calculated.",

author = "T. Elenbaas and N.M. Sijtsema and R.A.L. Tolboom and N.J. Dam and {van de Water}, W. and {ter Meulen}, J.J.",

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T1 - Characterization of turbulence by air photolysis and recombination tracking (APART)

AU - Elenbaas, T.

AU - Sijtsema, N.M.

AU - Tolboom, R.A.L.

AU - Dam, N.J.

AU - van de Water, W.

AU - ter Meulen, J.J.

PY - 2002/12/1

Y1 - 2002/12/1

N2 - In this paper we discuss the possibilities of Molecular Tagging Velocimetry (MTV) method called APART for fundamental turbulence research. We have investigated relevant characteristics of the method such as signal intensities, lifetime of the tagged molecules, spatial resolution and velocity resolution to determine whether the method is suitable for measuring turbulence over a large range of scales. Tagging is done at the outflow of a strongly turbulent free jet. It is shown that 2 mJ/pulse is minimally needed to create LIF in the 4 mm2 'read' area. Tagging lines down to 50 μm cross section can now be reached. Using a Gaussian fit algorithm velocities with an accuracy of 0.8 ms-1 can be calculated.

AB - In this paper we discuss the possibilities of Molecular Tagging Velocimetry (MTV) method called APART for fundamental turbulence research. We have investigated relevant characteristics of the method such as signal intensities, lifetime of the tagged molecules, spatial resolution and velocity resolution to determine whether the method is suitable for measuring turbulence over a large range of scales. Tagging is done at the outflow of a strongly turbulent free jet. It is shown that 2 mJ/pulse is minimally needed to create LIF in the 4 mm2 'read' area. Tagging lines down to 50 μm cross section can now be reached. Using a Gaussian fit algorithm velocities with an accuracy of 0.8 ms-1 can be calculated.

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DO - 10.2514/6.2002-694

M3 - Paper

T2 - 40th AIAA Aerospace Sciences Meeting and Exhibit 2002

Y2 - 14 January 2002 through 17 January 2002

ER -

Characterization of turbulence by air photolysis and recombination tracking (APART)

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