NDLI: Comparative measurements on thermal plasma jet characteristics in atmospheric and low pressure plasma sprayings

Content Provider	IEEE Xplore Digital Library
Author	Hyung Jin Kim Sang Hee Hong
Copyright Year	1973
Abstract	The ion and electron temperatures and plasma flow velocities are measured and compared between atmospheric and low pressure plasma spraying systems. The measurements of ion temperature for two systems are carried out by an optical emission spectroscopy which uses the relative emissivities of isolated Ar I emission lines. The electron density and temperature are measured by a Langmuir probe rotating across the plasma jets. The ion saturation currents collected by a Mach probe at two orientations, perpendicular and parallel to the plasma jet, determine the flow velocity. The spatial distributions of electron density, plasma flow velocity, and the associated shock activity in thermal plasma jets are discussed in conjunction with their direct dependency upon the ambient pressures as well as the torch powers. Measurements on temperatures and velocity profiles of thermal plasma jets reveal the general features of the LPPS jet characteristics, i.e., higher velocity flow with lower temperature, longer heating zone of expanded flame, and more extended accelerating zone compared with those of the APS jets. The shock activity clearly exists in the form of standing shock waves in the plasma jet of LPPS in view of flow compression and abrupt velocity drop which are appeared in the results of measurements on the variations of electron density and flow velocity along the plasma jet. In the center of the plasma jet of APS, the electron density is high enough to reach the LTE criterion, and the difference between ion and electron temperatures becomes insignificant as the torch input power increases.<>
Sponsorship	IEEE Nuclear and Plasma Sciences Society
Starting Page	852
Ending Page	859
Page Count	8
File Size	760881
File Format	PDF
ISSN	00933813
Volume Number	23
Issue Number	5
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1995-10-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Plasma measurements Plasma properties Plasma temperature Plasma density Electrons Temperature measurement Atmospheric measurements Plasma waves Fluid flow measurement Velocity measurement
Content Type	Text
Resource Type	Article
Subject	Nuclear and High Energy Physics Condensed Matter Physics

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

Experimental investigation of large-volume PIA plasmas at atmospheric pressure

Low-Temperature Atmospheric-Pressure-Plasma Jet for Thin-Film Deposition

Low-Temperature Cyclonic Plasma Created at Atmospheric Pressure

Synthesis of Organosilicon Film on Polycarbonate by Means of Low-Temperature Atmospheric-Pressure Plasma Jet

Measurements of the Plasma and Condensed Particles Parameters in a DC Plasma Jet

Thermal Nonequilibrium of a Free-Burning Argon Arc Plasma

DBD Plasma Jet in Atmospheric Pressure Argon

Simultaneous measurement of particle size, velocity, and temperature in thermal plasmas

Comparative Studies of Atmospheric Pressure Plasma Characteristics Between He and Ar Working Gases for Sterilization

Comparative measurements on thermal plasma jet characteristics in atmospheric and low pressure plasma sprayings

Similar Documents

Experimental investigation of large-volume PIA plasmas at atmospheric pressure

Low-Temperature Atmospheric-Pressure-Plasma Jet for Thin-Film Deposition

Low-Temperature Cyclonic Plasma Created at Atmospheric Pressure

Synthesis of Organosilicon Film on Polycarbonate by Means of Low-Temperature Atmospheric-Pressure Plasma Jet

Measurements of the Plasma and Condensed Particles Parameters in a DC Plasma Jet

Thermal Nonequilibrium of a Free-Burning Argon Arc Plasma

DBD Plasma Jet in Atmospheric Pressure Argon

Simultaneous measurement of particle size, velocity, and temperature in thermal plasmas

Comparative Studies of Atmospheric Pressure Plasma Characteristics Between He and Ar Working Gases for Sterilization

Comparative measurements on thermal plasma jet characteristics in atmospheric and low pressure plasma sprayings