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Author: National Aeronautics and Space Adm Nasa Publisher: Independently Published ISBN: 9781724084620 Category : Science Languages : en Pages : 32
Book Description
The U.S. Department of Energy (DOE), in conjunction with the NASA John H. Glenn Research Center and Stirling Technology Company, are currently developing a Stirling convertor for a Stirling Radioisotope Generator (SRG). NASA Headquarters and DOE have identified the SRG for potential use as an advanced spacecraft power system for future NASA deep-space and Mars surface missions. Low-level dynamic impact tests were conducted at NASA Glenn Research Center's Structural Dynamics Laboratory as part of the development of this technology. The purpose of this test was to identify dynamic structural characteristics of the Stirling Technology Demonstration Convertor (TDC). This paper addresses the test setup, procedure, and results of the impact testing conducted on the Stirling TDC in May 2001. Suarez, Vicente J. and Goodnight, Thomas W. and Hughes, William O. and Samorezov, Sergey Glenn Research Center NASA/TM-2002-211342, NAS 1.15:211342, E-13156
Author: National Aeronautics and Space Adm Nasa Publisher: Independently Published ISBN: 9781724084620 Category : Science Languages : en Pages : 32
Book Description
The U.S. Department of Energy (DOE), in conjunction with the NASA John H. Glenn Research Center and Stirling Technology Company, are currently developing a Stirling convertor for a Stirling Radioisotope Generator (SRG). NASA Headquarters and DOE have identified the SRG for potential use as an advanced spacecraft power system for future NASA deep-space and Mars surface missions. Low-level dynamic impact tests were conducted at NASA Glenn Research Center's Structural Dynamics Laboratory as part of the development of this technology. The purpose of this test was to identify dynamic structural characteristics of the Stirling Technology Demonstration Convertor (TDC). This paper addresses the test setup, procedure, and results of the impact testing conducted on the Stirling TDC in May 2001. Suarez, Vicente J. and Goodnight, Thomas W. and Hughes, William O. and Samorezov, Sergey Glenn Research Center NASA/TM-2002-211342, NAS 1.15:211342, E-13156
Author: Arthur G. Birchenough Publisher: BiblioGov ISBN: 9781289064716 Category : Languages : en Pages : 22
Book Description
Stirling cycle power conversion is an enabling technology that provides high thermodynamic efficiency but also presents unique challenges with regard to electrical power generation, management, and distribution. The High Power Linear Alternator Test Rig (HPLATR) located at the NASA Glenn Research Center (GRC) in Cleveland, OH is a demonstration test bed that simulates electrical power generation from a Stirling engine driven alternator. It implements the high power electronics necessary to provide a well regulated DC user load bus. These power electronics use a novel design solution that includes active rectification and power factor control, active ripple suppression, along with a unique building block approach that permits the use of high voltage or high current alternator designs. This presentation describes the HPLATR, the test program, and the operational results.
Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
The results of the work performed under Phase I of the free piston Stirling engine demonstrator program are described. The objective of the program is to develop a 2 kW free piston Stirling engine/linear alternator energy conversion system, for an isotopic heat source, with a greater than 30% overall efficiency. Phase I was a 15-month effort to demonstrate the feasibility of the system through analysis and experimental testing of the individual components. An introduction to Stirling engines and the details of the tasks completed are presented in five major sections: (1) introduction to Stirling engine; (2) preliminary design of an advanced free piston Stirling demonstrator engine; (3) design and test of a 1 kWE output linear alternator; (4) test of a model free piston Stirling engine; and (5) development of a free piston Stirling engine computer simulation code.
Author: National Aeronautics and Space Adm Nasa Publisher: Independently Published ISBN: 9781794405332 Category : Science Languages : en Pages : 32
Book Description
A simple model of the Advanced Stirling Convertors (ASC) linear alternator and an AC bus controller has been developed and combined with a previously developed thermodynamic model of the convertor for a more complete simulation and analysis of the system performance. The model was developed using Sage, a 1-D thermodynamic modeling program that now includes electro-magnetic components. The convertor, consisting of a free-piston Stirling engine combined with a linear alternator, has sufficiently sinusoidal steady-state behavior to allow for phasor analysis of the forces and voltages acting in the system. A MATLAB graphical user interface (GUI) has been developed to interface with the Sage software for simplified use of the ASC model, calculation of forces, and automated creation of phasor diagrams. The GUI allows the user to vary convertor parameters while fixing different input or output parameters and observe the effect on the phasor diagrams or system performance. The new ASC model and GUI help create a better understanding of the relationship between the electrical component voltages and mechanical forces. This allows better insight into the overall convertor dynamics and performance. Metscher, Jonathan F. and Lewandowski, Edward J. Glenn Research Center NASA/TM-2013-216563, AIAA Paper 2013-3812, E-18740, GRC-E-DAA-TN10130-2
Author: National Aeronautics and Space Adm Nasa
Author: National Aeronautics and Space Adm Nasa
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Author: Jonathan F. Metscher
Author: Arthur G. Birchenough
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Author: National Aeronautics and Space Adm Nasa
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Author: Steven J. Piller