Accurate in-situ gas temperature measurements in dielectric barrier discharges at atmospheric pressure

2012 ◽  
Vol 100 (20) ◽  
pp. 201112 ◽  
Author(s):  
Michael R. Wertheimer ◽  
Meenu Ahlawat ◽  
Bachir Saoudi ◽  
Raman Kashyap
Keyword(s):  
Atmospheric Pressure ◽  
Temperature Measurements ◽  
Dielectric Barrier Discharges ◽  
Gas Temperature ◽  
Dielectric Barrier ◽  
Barrier Discharges

Use of an FBG Sensor for In-situ Temperature Measurements of Gas Dielectric Barrier Discharges

2012 ◽  
Author(s):  
Meenu Ahlawat ◽  
Bachir Saoudi ◽  
Elton Soares de Lima Filho ◽  
Michael R. Wertheimer ◽  
Raman Kashyap
Keyword(s):  
Temperature Measurements ◽  
Dielectric Barrier Discharges ◽  
Dielectric Barrier ◽  
Fbg Sensor ◽  
Barrier Discharges

Precise energy and temperature measurements in dielectric barrier discharges at atmospheric pressure

2015 ◽  
Vol 24 (4) ◽  
pp. 045004 ◽  
Author(s):  
Mylène Archambault-Caron ◽  
Hervé Gagnon ◽  
Bernard Nisol ◽  
Konstantinos Piyakis ◽  
Michael R Wertheimer
Keyword(s):  
Atmospheric Pressure ◽  
Temperature Measurements ◽  
Dielectric Barrier Discharges ◽  
Dielectric Barrier ◽  
Barrier Discharges

In Situ Thermometry in Noble Gas Dielectric Barrier Discharges at Atmospheric Pressure

2012 ◽  
Vol 9 (10) ◽  
pp. 955-967 ◽  
Author(s):  
Michael R. Wertheimer ◽  
Bachir Saoudi ◽  
Meenu Ahlawat ◽  
Raman Kashyap
Keyword(s):  
Atmospheric Pressure ◽  
Noble Gas ◽  
Dielectric Barrier Discharges ◽  
Dielectric Barrier ◽  
Barrier Discharges

Analysis of parameters of coaxial dielectric barrier discharges in argon flow at atmospheric pressure

2021 ◽  
Vol 129 (15) ◽  
pp. 153305
Author(s):  
Hui Li ◽  
Chengxun Yuan ◽  
Anatoly Kudryavtsev ◽  
Aleksandr Astafiev ◽  
Evgeny Bogdanov ◽  
...  
Keyword(s):  
Atmospheric Pressure ◽  
Dielectric Barrier Discharges ◽  
Dielectric Barrier ◽  
Argon Flow ◽  
Barrier Discharges

scholarly journals Gas Heating Mechanisms in Atmospheric Pressure Helium Dielectric-Barrier Discharges Driven by a kHz Power Source

2020 ◽  
Vol 10 (21) ◽  
pp. 7583
Author(s):  
Kun-Mo Lin ◽  
Kai-Cheng Wang ◽  
Yao-Sheng Chang ◽  
Shun-Yu Chuang
Keyword(s):  
Power Consumption ◽  
Joule Heating ◽  
Atmospheric Pressure ◽  
Power Efficiency ◽  
Rotational Temperature ◽  
Elastic Collision ◽  
Dielectric Barrier Discharges ◽  
Dielectric Barrier ◽  
Heating Source ◽  
Barrier Discharges

The present work investigates contributions of different heating mechanisms and power efficiency of atmospheric-pressure helium dielectric-barrier discharges (APHeDBDs) containing a small amount of N2 for temperature measurements by developing the numerical methodology combining the one-dimensional (1D) plasma fluid model (PFM) and 3D gas flow model (GFM) with simulated results validated by measurements including the discharge power consumption and temperature distribution. The discharge dynamics are modeled by the 1D PFM for evaluating the average heating source considering elastic collision, ion Joule heating, and exothermic reactions as the source term of energy equation solved in the 3D GFM. The simulated current density reaches 29 A m−2 which is close to that measured as 35 A m−2. The simulated power consumption is 2.0 W which is in good agreement with the average measured power consumption as 2.1 W. The simulated average gas temperature in the reactive zone is around 346 K which is also close to the rotational temperature determined. The analysis shows that elastic collision and ion Joule heating are dominant heating mechanisms contributing 23.9% and 65.8% to the heating source, respectively. Among ion species, N2+ and N4+ are dominant species contributing 44.1% and 50.7% to the heating source of ion Joule heating, respectively. The simulated average total heating source is around 5.6 × 105 W m−3 with the maximum reaching 3.5 × 106 W m−3 in the sheath region due to the contribution of ion Joule heating.

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