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Maximizing Efficiency: Upgrading Magnet and Coil Systems

Explore enhancing existing IT and DS modules for better performance; consider lengthening fixtures, winding new coils, and altering coil profiles to optimize field strength while managing heat generation. Evaluate various upgrades including new fixture designs and coil packages for improved efficiency.

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Maximizing Efficiency: Upgrading Magnet and Coil Systems

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  1. Picking up where we left off… Existing ITCU DS should run fine (4.2A, 7V) at 350kV OK, although warm at about 60C. Next upgrade: wind new coils on existing fixture w/ AWG16 (~40% improvement). Next upgrade: fab longer fixture+coil. Fractional length of straight > total length of wire. Next upgrade: iron magnet L_DS = 3.94” L_Chamber = 5.28” L_new_max = 5.00” L_new_straight = 2.875” • Just lengthening magnet: • 37% increase in field • 14% increase in heat • Run @ 3.1A for 350keV and 15 degand reach ~50C (effective heat of 3.5A)

  2. BUT, if we did change coil profile… As-Found DS, 140-150 A/cm2 => B3/B1 = 1.04% Ideal, 130 A/cm2 => B1/B1_DS = 2.08,B3/B1 = 0.09% 2 deg, 130 A/cm2 => B1/B1_DS = 1.45, B3/B1 = 0.74%

  3. Again, from last time… Existing ITCU DS should run fine (4.2A, 7V) at 350kV OK, although warm at about 60C. Next upgrade: wind new coils on existing fixture w/ AWG16 (~40% improvement). Next upgrade: fab longer fixture+coil. Fractional length of straight > total length of wire. Next upgrade: iron magnet Today’s conclusions… Evaluate existing “short” fixture with AWG16 and larger coil package => means same fixture Evaluate #1, but stretch to “long” => means longer fixture w/ same cross-section Mechanically optimize “long” new cross-section => means entirely new fixture

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