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Technical Brief

Control of Heat and Mass Transfers Due to Tearing Mode Based Magnetic Islands During Disruption Phase in IR-T1 Tokamak

[+] Author and Article Information
R. Sadeghi

Plasma Physics Research Center, Science and Research Branch, Islamic Azad University, Tehran, Iran
ahmadsalarelahi@gmail.com

A. Salar Elahi

Plasma Physics Research Center, Science and Research Branch, Islamic Azad University, Tehran, Iran
salari_phy@yahoo.com

M. Ghoranevis

Plasma Physics Research Center, Science and Research Branch, Islamic Azad University, Tehran, Iran
zghoranneviss@gmail.com

M.K. Salem

Plasma Physics Research Center, Science and Research Branch, Islamic Azad University, Tehran, Iran
ahmadsalari2005@yahoo.com

1Corresponding author.

ASME doi:10.1115/1.4039012 History: Received October 30, 2016; Revised January 06, 2018

Abstract

A study on hydrogen isotopes energy and mass transfers affected by longitudinal or transverse magnetic fields under conditions in the Plasma Focus (PF) reactor have been performed. A specific feature of the heat transfer under these conditions is the combined exposure of a strong magnetic field and plasma pressure forces, which manifests itself in previously unknown effects. Among these effects are the existence, in some modes, of MHD heat transfer areas of "degraded" heat transfer, the extremely uneven distribution of heat transfer coefficients along the perimeter of the tube and abnormally high temperature fluctuations near the wall. Energetic and high fluency hydrogen ions generated with a low energy (3.3 kJ) PF device were used to study the hydrogen energy transfer. The treatment was performed using various numbers of deuterium plasma focus shots and at a distance of 8 cm from the anode tip.

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