Correcting magnetic probe perturbations on current density measurements of current carrying plasmas

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A method to infer the current density distribution in the current sheath of a plasma focus discharge from a magnetic probe is formulated and then applied to experimental data obtained in a 1.1 kJ device. Distortions on the magnetic probe signal caused by current redistribution and by a time-dependen...

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Detalles Bibliográficos
Autor principal: Knoblauch, P.
Otros Autores: Raspa, V., Di Lorenzo, F., Lazarte, A., Clausse, Alejandro, Moreno, C.
Formato: Capítulo de libro
Lenguaje:Inglés
Publicado: 2010
Acceso en línea:Registro en Scopus
DOI
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Registro en la Biblioteca Digital
Aporte de:Registro referencial: Solicitar el recurso aquí
Biblioteca Central Dr. Luis F. Leloir (FCEN) de Universidad de Buenos Aires
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100 1 |a Knoblauch, P. 
245 1 0 |a Correcting magnetic probe perturbations on current density measurements of current carrying plasmas 
260 |c 2010 
270 1 0 |m Knoblauch, P.; Departamento de Física, FCEyN-UBA, Ciudad Universitaria, 1428 Buenos Aires, Argentina; email: pablotk@df.uba.ar 
504 |a Lee, P., Feng, X., Zhang, G.X., Liu, M.H., Lee, S., (1997) Plasma Sources Sci. Technol., 6, p. 343. , PSTEEU 0963-0252,. 10.1088/0963-0252/6/3/011 
504 |a Lee, S., Lee, P., Zhang, G., Feng, X., Gribkov, V.A., Liu, M., Serban, A., Wong, T.K.S., (1998) IEEE Trans. Plasma Sci., 26, p. 1119. , ITPSBD 0093-3813,. 10.1109/27.725141 
504 |a Gribkov, V.A., Srivastava, A., Keat, P.L.C., Kudryashov, V., Lee, S., (2002) IEEE Trans. Plasma Sci., 30, p. 1331. , ITPSBD 0093-3813,. 10.1109/TPS.2002.802156 
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504 |a Khan, I.A., Hassan, M., Hussain, T., Ahmad, R., Zakaullah, M., Rawat, R.S., (2009) Appl. Surf. Sci., 255, p. 6132. , ASUSEE 0169-4332,. 10.1016/j.apsusc.2009.01.066 
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504 |a Castillo-Mejia, F., Milanese, M.M., Moroso, R.L., Pouzo, J.O., Santiago, M.A., Small plasma focus studied as a source of hard X-ray (2001) IEEE Transactions on Plasma Science, 29 (6), pp. 921-926. , DOI 10.1109/27.974980, PII S0093381301112038 
504 |a Moreno, C., V́nere, M., Barbuzza, R., Del Fresno, M., Ramos, R., Bruzzone, H., Florido, P., Clausse, A., (2002) Braz. J. Phys., 32, p. 20. , BJPHE6 0103-9733,. 10.1590/S0103-97332002000100004 
504 |a Hussain, S., Shafiq, M., Ahmad, R., Waheed, A., Zakaullah, M., Plasma focus as a possible x-ray source for radiography (2005) Plasma Sources Science and Technology, 14 (1), pp. 61-69. , DOI 10.1088/0963-0252/14/1/008 
504 |a Moreno, C., Raspa, V., Sigaut, L., Vieytes, R., Clausse, A., Plasma-focus-based tabletop hard x-ray source for 50 ns resolution introspective imaging of metallic objects through metallic walls (2006) Applied Physics Letters, 89 (9), p. 091502. , DOI 10.1063/1.2335631 
504 |a Castillo, F., Gamboa-DeBuen, I., Herrera, J.J.E., Rangel, J., Villalobos, S., High contrast radiography using a small dense plasma focus (2008) Applied Physics Letters, 92 (5), p. 051502. , DOI 10.1063/1.2840191 
504 |a Bogolubov, Ye.P., Koltunov, M.V., Lemeshko, B.D., Mikerov, V.I., Samosyuk, V.N., Sidorov, P.P., Yurkov, D.I., (2009) Nucl. Instrum. Methods Phys. Res. A, 605, p. 62. , NIMAER 0168-9002,. 10.1016/j.nima.2009.01.128 
504 |a Gribkov, V.A., (2008) Proceedings of the Plasma and Fusion Science 17th IAEA Technical Meeting on Research Using Small Fusion Devices, 996, p. 51. , (AIP, New York) 
504 |a Bruzzone, H., Moreno, C., Kelly, H., (1991) Meas. Sci. Technol., 2, p. 1195. , MSTCEP 0957-0233,. 10.1088/0957-0233/2/12/015 
504 |a Bilbao, L., Grondona, D., (1994) Meas. Sci. Technol., 5, p. 288. , MSTCEP 0957-0233,. 10.1088/0957-0233/5/3/013 
504 |a Bruzzone, H., Grondona, D., (1997) Plasma Phys. Controlled Fusion, 39, p. 1315. , PPCFET 0741-3335,. 10.1088/0741-3335/39/9/004 
504 |a Malmberg, J.H., (1964) Rev. Sci. Instrum., 35, p. 1622. , RSINAK 0034-6748,. 10.1063/1.1719242 
504 |a Linz, P., (1985) Analytical and Numerical Methods for Volterra Equations, , (SIAM, Philadelphia) 
504 |a Press, W.H., Teukolsky, S.A., Vetterling, W.T., Flannery, B.P., (1992) Numerical Recipes in Fortran. The Art of Scientific Computing, , (Cambridge University Press, New York) 
504 |a http://dx.doi.org/10.1063/1.3480556, See supplementary material at E-RSINAK-81-012009 for a MATLAB script that evaluates the current density from measured magnetic probe and Rogowski signals and for an example that uses experimental signals 
506 |2 openaire  |e Política editorial 
520 3 |a A method to infer the current density distribution in the current sheath of a plasma focus discharge from a magnetic probe is formulated and then applied to experimental data obtained in a 1.1 kJ device. Distortions on the magnetic probe signal caused by current redistribution and by a time-dependent total discharge current are considered simultaneously, leading to an integral equation for the current density. Two distinct, easy to implement, numerical procedures are given to solve such equation. Experimental results show the coexistence of at least two maxima in the current density structure of a nitrogen sheath. © 2010 American Institute of Physics.  |l eng 
536 |a Detalles de la financiación: Universidad de Buenos Aires 
536 |a Detalles de la financiación: Comisión Nacional de Energía Atómica, Gobierno de Argentina, CNEA 
536 |a Detalles de la financiación: Consejo Nacional de Investigaciones Científicas y Técnicas 
536 |a Detalles de la financiación: This research was supported by PLADEMA–CNEA, Universidad de Buenos Aires, and CONICET. P.K. is a doctoral fellow of CONICET. C.M. and A.C. are members of CONICET. 
593 |a Departamento de Física, FCEyN-UBA, Ciudad Universitaria, 1428 Buenos Aires, Argentina 
593 |a PLADEMA-CNEA, CONICET, Campus Universitario, Paraje Arroyo Seco, 7000 Tandil, Buenos Aires, Argentina 
690 1 0 |a CURRENT DENSITY DISTRIBUTION 
690 1 0 |a CURRENT REDISTRIBUTION 
690 1 0 |a CURRENT SHEATHS 
690 1 0 |a CURRENT-CARRYING PLASMAS 
690 1 0 |a DENSITY STRUCTURES 
690 1 0 |a DISCHARGE CURRENTS 
690 1 0 |a EXPERIMENTAL DATA 
690 1 0 |a MAGNETIC PROBES 
690 1 0 |a NUMERICAL PROCEDURES 
690 1 0 |a ON CURRENTS 
690 1 0 |a PLASMA FOCUS 
690 1 0 |a TIME-DEPENDENT 
690 1 0 |a CURRENT DENSITY 
690 1 0 |a PLASMA APPLICATIONS 
690 1 0 |a PROBES 
690 1 0 |a ELECTRIC DISCHARGES 
700 1 |a Raspa, V. 
700 1 |a Di Lorenzo, F. 
700 1 |a Lazarte, A. 
700 1 |a Clausse, Alejandro 
700 1 |a Moreno, C. 
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