Speakers
Description
Large-scale tracking and calorimetry detectors demand high channel-count cooling with tight thermal stability while minimizing leak risks. We present a design-by-validation R&D workflow developed for the NICA/MPD detector in Dubna to realize a large multi-loop, leakless cooling and thermostabilization system. The work is performed by a consortium of engineering companies, dedicated R&D groups, enabling an end-to-end path from concept to integration. The full system comprises 118 parallel circuits supplying thermally sensitive subsystems with a target temperature stability of ±0.1 °C; the contribution includes a system-level schematic of the architecture and its main functional blocks.
Risk is reduced through a practical, test-stand-driven program that validates key elements and operating regimes on a reduced-scale prototype. Dedicated stand reproduces representative hydraulic and thermal behavior with six loops, enabling studies of control strategies, transients, loop-to-loop coupling, and failure modes. Engineering design iterations define candidate configurations and instrumentation layouts. To identify critical zones and parameters, 3Dmodeling/CFD is coupled to targeted experiments, refining boundary conditions and tracking parameter evolution.
We summarize reduced-scale results and their translation to the full-scale design, highlighting scalability, parallel multi-loop operation, and lessons relevant to future facilities requiring reliable, leakless, multi-channel thermal management.
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