Optical diagnostic methods for flames

1970 ◽  
Vol 12 (1) ◽  
pp. 1-5 ◽  
Author(s):  
N. G. Preobrazhenskii ◽  
I. G. Yudelevich
1991 ◽  
Vol 27 (1) ◽  
pp. 143-146 ◽  
Author(s):  
T. Karasinski ◽  
K.P. Zocha ◽  
C.D. Zwingel

2019 ◽  
Vol 27 (9) ◽  
pp. 12025 ◽  
Author(s):  
Jie Zhao ◽  
Michael Rüsing ◽  
Shayan Mookherjea

Acta Naturae ◽  
2021 ◽  
Vol 13 (2) ◽  
pp. 16-31
Author(s):  
Evgenii L. Guryev ◽  
Samah Shanwar ◽  
Andrei Vasilevich Zvyagin ◽  
Sergey M. Deyev ◽  
Irina V. Balalaeva

Creation of various photoluminescent nanomaterials has significantly expanded the arsenal of approaches used in modern biomedicine. Their unique photophysical properties can significantly improve the sensitivity and specificity of diagnostic methods, increase therapy effectiveness, and make a theranostic approach to treatment possible through the application of nanoparticle conjugates with functional macromolecules. The most widely used nanomaterials to date are semiconductor quantum dots; gold nanoclusters; carbon dots; nanodiamonds; semiconductor porous silicon; and up-conversion nanoparticles. This paper considers the promising groups of photoluminescent nanomaterials that can be used in medical biotechnology: in particular, for devising agents for optical diagnostic methods, sensorics, and various types of therapy.


1996 ◽  
Author(s):  
Steven Collicott ◽  
Steven Schneider ◽  
Nathan Messersmith

2009 ◽  
Vol 24 (2) ◽  
pp. 127-128
Author(s):  
Christian Stephan Betz ◽  
Herbert Stepp ◽  
Miriam Havel ◽  
Waseem Jerjes ◽  
Tahwinder Upile ◽  
...  

2019 ◽  
Vol 7 ◽  
Author(s):  
Viktor Bachynskiy ◽  
Oleh Vanchuliak ◽  
Anastasiia-Vira Syvokorovska ◽  
Marta Garazdiuk ◽  
Alina Zavolovych

One of the important issues of forensic practice is the estimation of the volume of bleeding. Optical diagnostic methods of histological sections of tissue and liquids are perspective in this area. Material and methods. The objects of investigation are native histological sections of rectus abdominal muscle, taken from 48 corpses with acute blood loss and 10 – control group with acute coronary death. Results. The method of statistical analysis of the first-fourth Stokes vector parameters value distributions of microscopic images of histological sections of tissue with fibrillar structure (rectus abdominal muscle, skin, brain) of corpses with varying degrees of blood loss in order to estimate the bleeding volume was tested. The most sensitive statistical moments of the third and fourth orders that characterize the asymmetry and the kurtosis of change the level of blood loss of the deceased - V = 0 mm3 ÷ 1000 mm3 were revealed


Author(s):  
Yeoung Min Han ◽  
Woo Seok Seol ◽  
Dae Sung Lee ◽  
Victor I. Yagodkin ◽  
In Seuck Jeung

In gas turbine combustors, optimum arrangement between a fuel nozzle and a swirler/prefilmer module must be sought to achieve satisfactory ignition and stability characteristics in addition to reduced level of emissions. However, due to thermal expansion of the combustor or misalignment of the fuel nozzle, the location of a fuel nozzle may vary. Displacement of a fuel nozzle may change the amount of fuel injected to the pre-filming device (usually the inner swirler wall) and the location of attachment, which in turn affects the thickness of pre-filming liquid sheet on the wall. As a result, the spray structure formed by pre-filming airblast atomization may be significantly changed. An experimental investigation is carried out to study the effects of fuel nozzle displacement on the structure of a spray formed by a dual orifice pressure atomizer and a counter-rotating dual swirler. The inner wall of the swirler is designed to be used as a pre-filming device. The behavior of droplets, the flow characteristics of the swirling air flow, and the interaction between droplets and the flow are studied. Optical diagnostic methods including a flow visualization and an Adaptive Phase/Doppler technique are used. Distributions of droplet size, number density, and liquid phase volume flux are presented for various fuel nozzle displacements, in addition to gas phase velocity.


1999 ◽  
Vol 123 (1) ◽  
pp. 33-40 ◽  
Author(s):  
Y. M. Han ◽  
W. S. Seol ◽  
D. S. Lee ◽  
V. I. Yagodkin ◽  
I. S. Jeung

In gas turbine combustors, optimum arrangement between a fuel nozzle and a swirler/prefilmer module must be sought to achieve satisfactory ignition and stability characteristics in addition to reduced level of emissions. However, due to thermal expansion of the combustor or misalignment of the fuel nozzle, the location of a fuel nozzle may vary. Displacement of a fuel nozzle may change the amount of fuel injected to the pre-filming device (usually the inner swirler wall) and the location of attachment, which in turn affects the thickness of pre-filming liquid sheet on the wall. As a result, the spray structure formed by pre-filming airblast atomization may be significantly changed. An experimental investigation is carried out to study the effects of fuel nozzle displacement on the structure of a spray formed by a dual orifice pressure atomizer and a counter-rotating dual swirler. The inner wall of the swirler is designed to be used as a pre-filming device. The behavior of droplets, the flow characteristics of the swirling air flow, and the interaction between droplets and the flow are studied. Optical diagnostic methods including a flow visualization and an Adaptive Phase/Doppler technique are used. Distributions of droplet size, number density, and liquid phase volume flux are presented for various fuel nozzle displacements, in addition to gas phase velocity.


2008 ◽  
Vol 26 (4) ◽  
pp. 537-543 ◽  
Author(s):  
N.G. Borisenko ◽  
A.E. Bugrov ◽  
I.N. Burdonskiy ◽  
I.K. Fasakhov ◽  
V.V. Gavrilov ◽  
...  

AbstractNew results obtained in experiments on laser irradiation (I = 5 × 1013 W/cm2, λ = 1.054 µm) of low-density (2–10 mg/cm3) porous materials (agar, triacetate cellulose, and foam polysterene) are presented and discussed from the standpoint of optimum porous material utilization in target designs for inertial confinement fusion. The influence of low-density material microstructure of irradiated samples on the absorption of laser radiation and the energy transfer processes was investigated using X-ray and optical diagnostic methods with high temporal and spatial resolution.


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