Active cooling control of the CLEO detector using a hydrocarbon coolant farm
A. Warburton, K. Arndt, C. Bebek, J. Cherwinka, D. Cinabro, J. Fast, B. Gittelman, Seung J. Lee, S. McGee, M. Palmer, L. Perera, A. Smith, D. Tournear, C. Ward
Abstract
We describe a novel approach to particle-detector cooling in which a modular farm of active coolant-control platforms provides independent and regulated heat removal from four recently upgraded subsystems of the CLEO detector: the ring-imaging Cherenkov detector, the drift chamber, the silicon vertex detector, and the beryllium beam pipe. We report on several aspects of the system: the suitability of using the aliphatic-hydrocarbon solvent PF(TM)-200IG as a heat-transfer fluid, the sensor elements and the mechanical design of the farm platforms, a control system that is founded upon a commercial programmable logic controller employed in industrial process-control applications, and a diagnostic system based on virtual instrumentation. We summarize the system's performance and point out the potential application of the design to future high-energy physics apparatus.
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