Title:

Cyclotron Particle Accelerator Electrode Cooling Test

Antaya Science and Technology, located in Hampton, New Hampshire, specializes in the design and build of first-generation compact cyclotron particle accelerators to produce on-demand radioisotopes for PET imaging. In an immensely complex and compact machine, maintaining suitable cooling is essential for maximizing function and efficiency. The proposed cooling method requires chilled water to be ejected through the electrode stem at the foot, a transitioning piece between the electrode and stem. To verify that this method will successfully cool the fixture when subjected to its maximum power input, Antaya requested a test be designed which mimics the cyclotron electrode and stem geometry and proposed cooling method parameters. To do this, a testing apparatus was designed and constructed which replicates the current cyclotron build specifications. By incrementally applying distributed power to the fixture under vacuum, while utilizing the proposed cooling method and monitoring temperatures across the system, the steady-state temperature distribution could be analyzed to confirm satisfactory cooling. This confirmation of effectiveness of the proposed cooling method ensures that application in the final build will sustain optimal performance.

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