Installation of a heavy ion beam probe (HIBP) diagnostic in the Tokyo Spherical Tokamak-2 (TST-2) device is considered. Preliminary beam trajectory simulations with Na + primary beam demonstrate that observations at a number of spatial locations on the poloidal cross-section of a typical TST-2 ohmically heated plasma are possible by selecting a manhole port of TST-2 as a beam receiving port. Beam attenuations are reasonable to consider core plasma measurements.
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