TY - THES
AU - Houtman, Hubert
PY - 1977
TI - Theoretical and experimental studies of a high density Z-pinch
KW - Thesis/Dissertation
LA - eng
M3 - Text
AB - A fast Z-Pinch in 1.22 Torr helium has been investigated electrically, photographically, and spectroscopically in order to determine the important parameters of the discharge. The dI/dt oscillogram has been used in conjunction with the circuit equations to find the current shell radius and velocity as functions of time. The dynamics have been modelled numerically using a modified snowplow model. The luminous zone of the plasma has been photographed end-on using a TRW image convertor camera. The radial distribution of the plasma measured on the end-on photographs is found to agree with both the electrical determination of the current shell radius and the radius given by the model. The time-resolved electron temperature and electron density were measured spectroscopically using the He II 4686 Å emission line. The measurements show that the plasma has parameters of 10 eV and 10¹⁸ cm⁻³ just before pinching and 37 eV and 8x10¹⁸ cm⁻³ during the 400 ns pinch phase. The results show that the plasma is well suited to the requirements of the future light mixing experiments.
N2 - A fast Z-Pinch in 1.22 Torr helium has been investigated electrically, photographically, and spectroscopically in order to determine the important parameters of the discharge. The dI/dt oscillogram has been used in conjunction with the circuit equations to find the current shell radius and velocity as functions of time. The dynamics have been modelled numerically using a modified snowplow model. The luminous zone of the plasma has been photographed end-on using a TRW image convertor camera. The radial distribution of the plasma measured on the end-on photographs is found to agree with both the electrical determination of the current shell radius and the radius given by the model. The time-resolved electron temperature and electron density were measured spectroscopically using the He II 4686 Å emission line. The measurements show that the plasma has parameters of 10 eV and 10¹⁸ cm⁻³ just before pinching and 37 eV and 8x10¹⁸ cm⁻³ during the 400 ns pinch phase. The results show that the plasma is well suited to the requirements of the future light mixing experiments.
UR - https://open.library.ubc.ca/collections/831/items/1.0085271
ER - End of Reference