A Central Refrigeration System to Support Multiple Environmental Test Chambers: Design, Development, and Evaluation

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United States. Department of Energy. Office of the Assistant Secretary for Defense Programs, 1990 - 51 pages
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A pilot plant project was undertaken to develop a central refrigeration compressor station capable of providing the necessary cooling to a network of nine independently-controlled environmental test chambers operating at temperatures of -85F to 350F. Design features of the central two-stage (cascade) vapor compression refrigeration system are described. Computer control of the central refrigeration station is a major contribution to the improved efficiency of the overall system. A second computer-control system was developed to perform the task of environmental chamber control, test management, and chamber performance monitoring. Data on performance of the Climatic Central Refrigeration System (CCRS) are presented. 7 refs., 18 figs.

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