Space Station Freedom Resource Nodes Internal Thermal Control System

Paper #:
  • 932148

Published:
  • 1993-07-01
Citation:
Merhoff, P., Dellinger, B., Taggart, S., and Cornwell, J., "Space Station Freedom Resource Nodes Internal Thermal Control System," SAE Technical Paper 932148, 1993, https://doi.org/10.4271/932148.
Pages:
21
Abstract:
This paper presents an overview of the design and operation of the internal thermal control system (ITCS) developed for Space Station Freedom by the NASA-Johnson Space Center and McDonnell Douglas Aerospace to provide cooling for the resource nodes, airlock, and pressurized logistics modules. The ITCS collects, transports, and rejects waste heat from these modules by a dual-loop, single-phase water cooling system.ITCS performance, cooling, and flow rate requirements are presented. An ITCS fluid schematic is shown and an overview of the current baseline system design and its operation is presented. Assembly sequence of the ITCS is explained as its configuration develops from Man Tended Capability (MTC), for which node 2 alone is cooled, to Permanently Manned Capability (PMC) where the airlock, a pressurized logistics module, and node 1 are cooled, in addition to node 2. A SINDA/FLUINT math model of the ITCS is described, and results of analyses for an MTC and a PMC case are shown and discussed.
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