The study of pinch regimes based on radiation-enhanced compression and anomalous resistivity phenomena and their effects on hard x-ray emission in a Mather type dense plasma focus device (SABALAN2)

In this study, by using argon and nitrogen as the filling gases in a Mather type dense plasma focus device at different values of pressure and charging voltage, two different kinds of pinch regimes were observed for each of the gases. The physics of the pinch regimes could be explained by using t...

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Main Authors: Piriaei, D., Mahabadi, T. D., Javadi, S., Ghoranneviss, M., Saw, S. H., Lee, S.
Format: Article
Language:English
Published: AIP Publishing 2015
Subjects:
Online Access:http://eprints.intimal.edu.my/225/
http://eprints.intimal.edu.my/225/1/The%20study%20of%20pinch%20regimes%20based%20on%20radiation-enhanced%20compression.pdf
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author Piriaei, D.
Mahabadi, T. D.
Javadi, S.
Ghoranneviss, M.
Saw, S. H.
Lee, S.
author_facet Piriaei, D.
Mahabadi, T. D.
Javadi, S.
Ghoranneviss, M.
Saw, S. H.
Lee, S.
author_sort Piriaei, D.
building INTI Institutional Repository
collection Online Access
description In this study, by using argon and nitrogen as the filling gases in a Mather type dense plasma focus device at different values of pressure and charging voltage, two different kinds of pinch regimes were observed for each of the gases. The physics of the pinch regimes could be explained by using the two versions of the Lee’s computational model which predicted each of the scenarios and clarified their differences between the two gases according to the radiation-enhanced compression and, additionally, predicted the pinch regimes through the anomalous resistivity effect during the pinch time. This was accomplished through the fitting process (simulation) on the current signal. Moreover, the characteristic amplitude and time scales of the anomalous resistances were obtained. The correlations between the features of the plasma current dip and the emitted hard x-ray pulses were observed. The starting time, intensity, duration, and the multiple or single feature of the emitted hard x-ray strongly correlated to the same respective features of the current dip.
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spelling intimal-2252016-09-15T02:39:18Z http://eprints.intimal.edu.my/225/ The study of pinch regimes based on radiation-enhanced compression and anomalous resistivity phenomena and their effects on hard x-ray emission in a Mather type dense plasma focus device (SABALAN2) Piriaei, D. Mahabadi, T. D. Javadi, S. Ghoranneviss, M. Saw, S. H. Lee, S. QC Physics In this study, by using argon and nitrogen as the filling gases in a Mather type dense plasma focus device at different values of pressure and charging voltage, two different kinds of pinch regimes were observed for each of the gases. The physics of the pinch regimes could be explained by using the two versions of the Lee’s computational model which predicted each of the scenarios and clarified their differences between the two gases according to the radiation-enhanced compression and, additionally, predicted the pinch regimes through the anomalous resistivity effect during the pinch time. This was accomplished through the fitting process (simulation) on the current signal. Moreover, the characteristic amplitude and time scales of the anomalous resistances were obtained. The correlations between the features of the plasma current dip and the emitted hard x-ray pulses were observed. The starting time, intensity, duration, and the multiple or single feature of the emitted hard x-ray strongly correlated to the same respective features of the current dip. AIP Publishing 2015 Article PeerReviewed text en http://eprints.intimal.edu.my/225/1/The%20study%20of%20pinch%20regimes%20based%20on%20radiation-enhanced%20compression.pdf Piriaei, D. and Mahabadi, T. D. and Javadi, S. and Ghoranneviss, M. and Saw, S. H. and Lee, S. (2015) The study of pinch regimes based on radiation-enhanced compression and anomalous resistivity phenomena and their effects on hard x-ray emission in a Mather type dense plasma focus device (SABALAN2). Physics of Plasmas, 22 (12). ISSN 1089-7674 10.1063/1.4936801
spellingShingle QC Physics
Piriaei, D.
Mahabadi, T. D.
Javadi, S.
Ghoranneviss, M.
Saw, S. H.
Lee, S.
The study of pinch regimes based on radiation-enhanced compression and anomalous resistivity phenomena and their effects on hard x-ray emission in a Mather type dense plasma focus device (SABALAN2)
title The study of pinch regimes based on radiation-enhanced compression and anomalous resistivity phenomena and their effects on hard x-ray emission in a Mather type dense plasma focus device (SABALAN2)
title_full The study of pinch regimes based on radiation-enhanced compression and anomalous resistivity phenomena and their effects on hard x-ray emission in a Mather type dense plasma focus device (SABALAN2)
title_fullStr The study of pinch regimes based on radiation-enhanced compression and anomalous resistivity phenomena and their effects on hard x-ray emission in a Mather type dense plasma focus device (SABALAN2)
title_full_unstemmed The study of pinch regimes based on radiation-enhanced compression and anomalous resistivity phenomena and their effects on hard x-ray emission in a Mather type dense plasma focus device (SABALAN2)
title_short The study of pinch regimes based on radiation-enhanced compression and anomalous resistivity phenomena and their effects on hard x-ray emission in a Mather type dense plasma focus device (SABALAN2)
title_sort study of pinch regimes based on radiation-enhanced compression and anomalous resistivity phenomena and their effects on hard x-ray emission in a mather type dense plasma focus device (sabalan2)
topic QC Physics
url http://eprints.intimal.edu.my/225/
http://eprints.intimal.edu.my/225/
http://eprints.intimal.edu.my/225/1/The%20study%20of%20pinch%20regimes%20based%20on%20radiation-enhanced%20compression.pdf