Role of gas flow on plasma stream dynamics in a pulsed plasma accelerator

2021 ◽  
Vol 168 ◽  
pp. 112400
Author(s):  
S. Borthakur ◽  
A. Ahmed ◽  
S. Singha ◽  
N.K. Neog ◽  
T.K. Borthakur
Keyword(s):  
Gas Flow ◽  
Plasma Accelerator ◽  
Plasma Stream ◽  
Pulsed Plasma

Characteristics of plasma stream evolution in a pulsed plasma accelerator

2021 ◽  
Vol 28 (2) ◽  
pp. 023109
Author(s):  
A. Ahmed ◽  
S. Singha ◽  
S. Borthakur ◽  
N. K. Neog ◽  
T. K. Borthakur ◽  
...  
Keyword(s):  
Plasma Accelerator ◽  
Plasma Stream ◽  
Pulsed Plasma

Measurement of plasma stream velocity in a pulsed plasma accelerator

2019 ◽  
Vol 26 (6) ◽  
pp. 062711
Author(s):  
N. Talukdar ◽  
A. Ahmed ◽  
S. Borthakur ◽  
N. K. Neog ◽  
T. K. Borthakur ◽  
...  
Keyword(s):  
Plasma Accelerator ◽  
Stream Velocity ◽  
Plasma Stream ◽  
Pulsed Plasma

Measurement of Plasma Stream Parameters by Triple Probe in a Pulsed Plasma Accelerator

2021 ◽  
pp. 1-5
Author(s):  
Sumit Singha ◽  
Azmirah Ahmed ◽  
Suramoni Borthakur ◽  
Nirod Kumar Neog ◽  
Tridip Kumar Borthakur
Keyword(s):  
Plasma Accelerator ◽  
Plasma Stream ◽  
Pulsed Plasma

The role of gas flow distributions on CO2 mineralization within monolithic cemented composites: coupled CFD-factorial design approach

2021 ◽  
Author(s):  
Iman Mehdipour ◽  
Gabriel Falzone ◽  
Dale Prentice ◽  
Narayanan Neithalath ◽  
Dante Simonetti ◽  
...  
Keyword(s):  
Spatial Distribution ◽  
Factorial Design ◽  
Material Properties ◽  
Gas Flow ◽  
Design Approach ◽  
Processing Conditions ◽  
Gas Processing ◽  
Co2 Mineralization

Optimizing the spatial distribution of contacting gas and the gas processing conditions enhances CO2 mineralization reactions and material properties of carbonate-cementitious monoliths.

Long-pulse plasma source for SMOLA helical mirror

2021 ◽  
Vol 87 (2) ◽  
Author(s):  
Ivan A. Ivanov ◽  
V. O. Ustyuzhanin ◽  
A. V. Sudnikov ◽  
A. Inzhevatkina
Keyword(s):  
Magnetic Field ◽  
Gas Flow ◽  
Supply Voltage ◽  
Hydrogen Plasma ◽  
Plasma Source ◽  
Lanthanum Hexaboride ◽  
Plasma Stream ◽  
Plasma Parameters ◽  
Plasma Properties ◽  
Plasma Gun

A plasma gun for forming a plasma stream in the open magnetic mirror trap with additional helicoidal field SMOLA is described. The plasma gun is an axisymmetric system with a planar circular hot cathode based on lanthanum hexaboride and a hollow copper anode. The two planar coils are located around the plasma source and create a magnetic field of up to 200 mT. The magnetic field forms the magnetron configuration of the discharge and provides a radial electric insulation. The source typically operates with a discharge current of up to 350 A in hydrogen. Plasma parameters in the SMOLA device are Ti ~ 5 eV, Te ~ 5–40 eV and ni ~ (0.1–1)  × 1019 m−3. Helium plasma can also be created. The plasma properties depend on the whole group of initial technical parameters: the cathode temperature, the feeding gas flow, the anode-cathode supply voltage and the magnitude of the cathode magnetic insulation.

scholarly journals The influence of argon gas flow in the killing of staphylococcus epidermidis bacteria

2018 ◽  
Vol 16 (36) ◽  
pp. 134-139
Author(s):  
Ahmed Mahmoud Shihab
Keyword(s):  
Staphylococcus Epidermidis ◽  
Atmospheric Pressure ◽  
Gas Flow ◽  
Biotechnological Applications ◽  
Plasma System ◽  
Argon Gas ◽  
Killing Rate ◽  
Normal Atmospheric Pressure ◽  
Non Thermal Plasma

In this research, non-thermal plasma system of argon gas is designed to work at normal atmospheric pressure and suitable for work in medical and biotechnological applications. This technique is applied in the treatment of the Staphylococcus epidermidis bacteria and show the role of the flow rate of Argon gas on the killing rate of bacteria, and it obtained a 100 % killing rate during the time of 5 minutes at the flow Argon gas of 5 liters/ min.

scholarly journals High-Speed Monitoring of Dust Particles in ITER ELMs Simulation Experiments with QSPA Kh-50

10.14311/1759 ◽  
2013 ◽  
Vol 53 (2) ◽  
Author(s):  
Vadym A. Makhlaj ◽  
Igor E. Garkusha ◽  
Nikolay N. Aksenov ◽  
Alexander A. Chuvilo ◽  
Igor S. Landman
Keyword(s):  
Heat Load ◽  
High Speed ◽  
Plasma Accelerator ◽  
Dust Particles ◽  
Plasma Stream ◽  
Maximal Velocity ◽  
Start Time ◽  
Simulation Experiments ◽  
Dust Generation ◽  
Load Average

Dust generation under powerful plasma stream impacts has been studied in ITER ELM simulation experiments with QSPA Kh-50 plasma accelerator. Repetitive plasma exposures of tungsten have been performed by 0.25 ms plasma pulses and the heat load varied in the range (0.1÷1.1) MJm-2. Main characteristics of dust particles such as a number of ejected particles, their velocity, angular distribution and start time from the surface are investigated. Dust particles have not been observed under heat load below the cracking threshold. Quantity of dust particles rises with increasing heat load. Average velocities of dust particles are found to be strongly dependent on their start time from the surface after beginning of plasma-surface interaction. Maximal velocity achieved a few tens of meters per second.

Sign in / Sign up

Export Citation Format

Share Document