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  • Other Sources  (4)
  • 2010-2014  (4)
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  • 1
    Publication Date: 2019-07-13
    Description: The General-Use Nodal Network Solver (GUNNS) is a modeling software package that combines nodal analysis and the hydraulic-electric analogy to simulate fluid, electrical, and thermal flow systems. GUNNS is developed by L-3 Communications under the TS21 (Training Systems for the 21st Century) project for NASA Johnson Space Center (JSC), primarily for use in space vehicle training simulators at JSC. It has sufficient compactness and fidelity to model the fluid, electrical, and thermal aspects of space vehicles in real-time simulations running on commodity workstations, for vehicle crew and flight controller training. It has a reusable and flexible component and system design, and a Graphical User Interface (GUI), providing capability for rapid GUI-based simulator development, ease of maintenance, and associated cost savings. GUNNS is optimized for NASA's Trick simulation environment, but can be run independently of Trick.
    Keywords: Mechanical Engineering
    Type: JSC-CN-27967 , AIAA Modeling and Simulation Technologies; Aug 19, 2013 - Aug 22, 2013; Boston, MA; United States
    Format: application/pdf
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  • 2
    Publication Date: 2019-07-12
    Description: A paper describes the Space- to-Space Communications System (SSCS) Software- Defined Radio (SDR) research project to determine the most appropriate method for creating flexible and reconfigurable radios to implement wireless communications channels for space vehicles so that fewer radios are required, and commonality in hardware and software architecture can be leveraged for future missions. The ability to reconfigure the SDR through software enables one radio platform to be reconfigured to interoperate with many different waveforms. This means a reduction in the number of physical radio platforms necessary to support a space mission s communication requirements, thus decreasing the total size, weight, and power needed for a mission.
    Keywords: Man/System Technology and Life Support
    Type: MSC-24465-1 , NASA Tech Briefs, December 2011; 29
    Format: application/pdf
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  • 3
    Publication Date: 2019-07-19
    Description: A simulation model has been developed to track water resources in an exploration vehicle using regenerative life support (RLS) systems. The model integrates the functions of all the vehicle components that affect the processing and recovery of water during simulated missions. The approach used in developing the model results in the RTM being a part of of a complete vehicle simulation that can be used in real time mission studies. Performance data for the variety of components in the RTM is focused on water processing and has been defined based on the most recent information available for the technology of the component. This paper will describe the process of defining the RLS system to be modeled and then the way the modeling environment was selected and how the model has been implemented. Results showing how the variety of RLS components exchange water are provided in a set of test cases.
    Keywords: Man/System Technology and Life Support
    Type: JSC-CN-32322 , International Conference on Environmental Systems; Jul 12, 2015 - Jul 16, 2015; Lubbock, TX; United States
    Format: application/pdf
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  • 4
    Publication Date: 2019-08-13
    Description: No abstract available
    Keywords: Spacecraft Propulsion and Power
    Type: M14-3609 , Rocket Nozzle Technology (RNTS) meeting; May 19, 2014 - May 23, 2014; Charleston, SC; United States|Propellant and Explosives Development and Characterization (PEDCP) meeting; May 19, 2014 - May 23, 2014; Charleston, SC; United States|JANNAF Propulsion Meeting; May 19, 2014 - May 23, 2014; Charleston, SC; United States|Structures and Mechanics Beahvior (S and MBS) meeting; May 19, 2014 - May 23, 2014; Charleston, SC; United States
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