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Friday, August 7, 2020 | History

1 edition of Plasma jet electrical characteristics found in the catalog.

Plasma jet electrical characteristics

by Herbert K. Gates

  • 54 Want to read
  • 40 Currently reading

Published .
Written in English


Edition Notes

Thesis (MS)--USNPGS, 1959.

Statementby H.K. Gates and J.K. Thomas
ContributionsThomas, John K.
The Physical Object
Paginationp. ;
ID Numbers
Open LibraryOL25167816M

  As shown in figure 1(a), the experimental setup mainly consists of a plasma jet source and three wells of PBS. The plasma jet source contains a quartz tube, half of which has an inner diameter of 3 mm, and the other half has an inner diameter of 2 mm. The wall thickness of the quartz tube is 1 by: 3. Round 1. Reviewer 1 Report. The authors investigate the electrical, optical and flow characteristics of a ns-pulsed atmospheric pressure plasma jet in Helium impinging on substrates with different electrical properties – conductive, dielectric and liquid.

  The main purpose of this research was to introduce a new structure of plasma jet based on mixed electric field to produce a stable Ar–N 2 plasma jet that enhances conventional plasma treatment. The mixed electric field in plasma jet results in a higher electric field distribution through the jet tube that was shown by : Pourya Seyfi, Ahmad Khademi, Saeed Ghasemi, Ali Reza Farhadizadeh, Hamidreza Ghomi.   Atmospheric pressure plasma jet (APPJ) has attracted a considerable interest recently due to a variety of reactive species in it 1,2, such as meta-stable particle, OH radical and Cited by: 7.

While operating at the resonance frequency of the PT (88 kHz), plasma jets were generated with input voltages as low as 10 V. The electrical and optical characteristics of the piezoelectric-driven jet were compared to an APPJ produced with a high-voltage sine wave of comparable operating by: 6. On the other hand the addition of the N2 gas doesn’t change the electrical characteristics of plasma discharge significantly. To identify the effectiveness of the CAPPLAT as a tool for sterilization, highly environmental stress resistant bacterial (Bacillus subtilis) endospores were treated for different durations.


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Plasma jet electrical characteristics by Herbert K. Gates Download PDF EPUB FB2

Plasmatrons. Arc jet plasma generated by heating the gas through an electric discharge between electrodes is used recently in Europe, USA, and Russia. The von Karman Institute (VKI) designed an inductively-coupled plasma wind tunnel which uses a high frequency, high power and high voltage solid state (MOS technology) [1].File Size: 1MB.

Electric characteristics of a skin layer of a plasma jet generated as a result of the blank cartridge explosion in a free space Abstract: Complex impedance of an electrically excited skin of the radiating plasma jet generated using an explosive method in free space is estimated for the main stage of the jet existence.

Study of influencing characteristics on boundary-layer separation controlled by using DBD plasma actuator with modified model International Journal of Heat and Mass Transfer, Vol. Realisation of plasma synthetic jet array with a novel sequential dischargeCited by: Study of Some Electrical Characteristics of the Cylindrical Plasma Jet Using Argon Gas Article (PDF Available) in Australian Journal of Basic and Applied Sciences 11(15) December with plasma jets, because they provide an intrinsic current limita-tion of reactive origin (thus avoiding the use of external ballasts in the discharge circuit) combined with a low com-mercial price.

The electrical characteristics of the discharge and the appearance of the plasma jet were studied varying the applied voltage amplitude and the gas. Plasma Medical Science describes the progress that has been made in the field over the past five years, illustrating what readers must know to be successful.

As non-thermal, atmospheric pressure plasma has been applied for a wide variety of medical fields, including wound healing, blood coagulation, and cancer therapy, this book is a timely resource on the topics discussed.

We have constructed a plasma jet that can operate in the frequency range kHz and within the range of kV of applied peak-to-peak voltages. High vol-tage probes are used in order to obtain current and voltage waveforms.

In this paper, we will show VRMS-IMRS plasma jet characteristics for the working frequency of 80 kHz. Cur. Abstract: In this paper, a cold atmospheric plasma (CAP) jet array is generated by a 2-D array device of seven CAP jets arranged in a honeycomb configuration and designed with single-electrode configuration as the elemental plasma jet.

The work is motivated by the challenge of using inherently small atmospheric plasmas to address many large-scale processing by: Fundamentals of Electric Propulsion: Ion and Hall Thrusters March The research described in this publication was carried out at the Jet Propulsion Laboratory, California Institute of Technology, under a contract with the National Aeronautics and Space Administration.

Reference herein to any specific commercial product, process, or service. OUTLINE ¾Generation of thermal plasma jets ¾Basic principles of arc plasma torches ¾Factors influencing properties of plasma jet in arc plasma torches (design of the torch, properties of plasma gas) ¾Water and hybrid gas/liquid plasma torches ¾Special diagnostic tools for thermal plasma jetsFile Size: 3MB.

In this study, both model analysis and electrical characterization of a dielectric barrier discharge based argon plasma jet have been carried at atmospheric pressure in a pin electrode configuration. The plasma and fluid dynamics modules of COMSOL multi-physics code have been used for the modeling of the plasma by: 5.

Buy Gaspari Nutrition PlasmaJet, Legendary N.O. Nitric Oxide Maximizer, Increased Lean Mass and Strength, Maximum Vascularity and Vasodilation, 90 Capsule /5(60). The experimental system of DCPJI working characteristics consists of the air supply system, plasma igniter system, combustion experimental section, schlieren test system and data acquisition system as shown in figure by: 1.

The temperature of the CAP jet kINPen® MED was measured as axial temperature profile along the visible effluent outside the capillary nozzle (Fig.

As it is demonstrated in Fig. 2, the plasma temperature at the tip of the visible plasma jet, i.e. 7–10 mm outside the Cited by:   The atmospheric pressure plasma jet used in this study is the COST Reference Microplasma Jet (COST-Jet) that was developed within the EU COST (European Cooperation in Science and Technology) action MP 'Biomedical Applications of Atmospheric Pressure Plasma Technology'.

The COST-Jet is usually operated using excitation and a helium feed gas. The plasma Cited by: 2. a) Author to whom correspondence should be addressed. Electronic mail: [email protected] A single electrode room-temperature atmospheric pressure plasma plume generated between a high-voltage electrode and the surrounding room air is by: The typical electrical and optical characteristics of the atmospheric-pressure plasma jet (APPJ) are studied.

Optical emission spectrum shows that excited OH, NO, N 2 (C-B), N 2 + (B-X), N 2 (B-A), and O emissions are produced by the plasma by: Finding good methods to increase the energy density of arc plasma jet is one of the many key problems confronting researchers of plasma field.

Laval type nozzle is a popular structure for super-sonic fluid utilization. One of which is the Shrink- expand type nozzle in arc plasma joining utilization. plasma jet respectively. The total inductance of the circuit and plasma about 16 µH. 0 5 10 0 Voltage Current) time (Ps) Figure (2): Current-voltage characteristics of pulsed plasma jet n Plasma jet Velocity Measurements Figure (3) show velocity of plasma.

In this paper, nitrogen plasma jet (NPJ) is proposed as a dielectric in micro electrical discharge machining (EDM) to increase the discharge gap in gas.

Extensive number of experiments are conducted to investigate the machining characteristics of micro EDM in by: 8. Plasma Electrical conductivity: Very low: Air is an excellent insulator until it breaks down into plasma at electric field strengths above 30 kilovolts per centimeter.

Usually very high: For many purposes, the conductivity of a plasma may be treated as infinite. Independently acting species.A lot of work has been done and published in characterization of these plasma jets [29][30][31][32][33] [34] [35], but only a handful [36] (argon jet) on the influence of the treated sample.The DC arc plasma jet provides a brute force approach to CVD diamond coating; the gas pressures and flow rates are higher, and the power input is larger, resulting in diamond film grows at rates 10 times greater than with the microwave Size: KB.