Frequency-domain theory of laser infrared photothermal radiometric detection on thermal waves generated by diffuse-photon-density wave fields in turbid media (abstract)

2003 ◽  
Vol 74 (1) ◽  
pp. 444-444
Author(s):  
Andreas Mandelis ◽  
Chris Feng
Keyword(s):  
Frequency Domain ◽  
Density Wave ◽  
Domain Theory ◽  
Turbid Media ◽  
Photon Density ◽  
Thermal Waves ◽  
Wave Fields ◽  
Radiometric Detection

Investigation of total diffuse-photon-density-wave field in semi-infinite turbid media based on the extrapolated Beer–Lambert law

2020 ◽  
Vol 127 (12) ◽  
pp. 123102
Author(s):  
Zhi-Tao Luo ◽  
Jian Wang ◽  
Fei-Long Mao ◽  
Lang Shen ◽  
Sheng Wang ◽  
...  
Keyword(s):  
Wave Field ◽  
Density Wave ◽  
Turbid Media ◽  
Photon Density

Frequency-domain photon density wave setup with multicolor illumination at 684, 794, and 1060 nm

2007 ◽  
Author(s):  
Vladimir I. Plehanov ◽  
Ilya V. Turchin ◽  
Ekaterina A. Sergeeva ◽  
Vladislav A. Kamensky
Keyword(s):  
Frequency Domain ◽  
Density Wave ◽  
Photon Density ◽  
Wave Setup

scholarly journals Reconstruction of diffuse photon‐density wave interference in turbid media from time‐resolved transmittance measurements

1996 ◽  
Vol 69 (12) ◽  
pp. 1674-1676 ◽  
Author(s):  
Charlotta Lindquist ◽  
Antonio Pifferi ◽  
Roger Berg ◽  
Stefan Andersson‐Engels ◽  
Sune Svanberg
Keyword(s):  
Density Wave ◽  
Turbid Media ◽  
Photon Density ◽  
Time Resolved ◽  
Wave Interference

scholarly journals Photon-density wave correlation spectroscopy detects large-scale fluctuations in turbid media

1998 ◽  
Vol 58 (2) ◽  
pp. 2288-2297 ◽  
Author(s):  
V. Toronov ◽  
M. Filiaci ◽  
S. Fantini ◽  
E. Gratton
Keyword(s):  
Large Scale ◽  
Density Wave ◽  
Correlation Spectroscopy ◽  
Turbid Media ◽  
Photon Density

Modulated imaging: quantitative analysis and tomography of turbid media in the spatial-frequency domain

2005 ◽  
Vol 30 (11) ◽  
pp. 1354 ◽  
Author(s):  
David J. Cuccia ◽  
Frederic Bevilacqua ◽  
Anthony J. Durkin ◽  
Bruce J. Tromberg
Keyword(s):  
Quantitative Analysis ◽  
Spatial Frequency ◽  
Frequency Domain ◽  
Turbid Media ◽  
Modulated Imaging ◽  
Spatial Frequency Domain

An Improved Model to Study the Density Wave Oscillation in Tubes by Using Frequency Domain Method

2014 ◽  
Author(s):  
Yifan Zhang ◽  
Huixiong Li ◽  
Tai Wang ◽  
Weiqiang Zhang ◽  
Tianyou Sheng
Keyword(s):  
Heat Flux ◽  
Frequency Domain ◽  
Present Model ◽  
Heat Storage ◽  
Tube Wall ◽  
Density Wave ◽  
Wall Heat Flux ◽  
Frequency Domain Method ◽  
Conventional Model ◽  
Domain Method

Density Wave Oscillation (DWO) in tubes was usually studied by using the frequency domain method. However, in the conventional model, the heat storage of wall metal was usually neglected to simplify the complex solving process of transfer functions, which might cause unreasonable results when the tube wall had a thick wall or complex geometry structures. Hence, in the present paper, an improved mathematical model was proposed based on the frequency domain theory to theoretically study the DWO in tubes. The present model was an improvement of the conventional model. The most notable improvement in the present model was that the heat storage of the tube wall metal, the internal wall heat flux and the external wall heat flux were all considered as dynamic parameters. Based on the improvement, the prediction of the DWO in tubes by using the present model might be more accurate and reasonable than that by using the conventional model, and this was proved by the comparison of the results obtained with the two models to the experimental results gained from literature. In the present study, it was shown that both the present model and the conventional model could predict the DWO in tubes well when the tube wall was thin, and it was also found that the present model was more appropriate than the conventional model when the tube wall was thick. Both the thickness of the tube wall and the specific heat of tube wall metal play negative roles in the system stability.

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