a number of ways: increased mission capability through increased payload capability because of power/energy system and related component weight reductions, and increased mission flexibility because of the operating characteristics of superconducting devices. The benefits of high temperature superconducting technology will, however, be very dependent upon the specific application. Many of the benefits and payoffs result from cascading effects upon other power/energy related subsystems and components and therefore the benefits and payoffs must be evaluated from a ‘total system’—including infrastructure and supporting services—viewpoint to be truly meaningful. The impact on future NASA space missions cannot be quantified at this time, but the indications are that HTSC can result in both major mission enabling and mission enhancing technologies. Earth surveillance/resource satellites, Lunar and Mars exploration missions—both unmanned and manned, exploration of the solar system, and as yet undreamed of missions all, would appear to have facets which can be enhanced or enabled by the application of HTSC technology. The success of the initial Lewis-Argonne cooperative efforts has led to a more permanent agreement between these two organizations to further the development of HTSC technology. In addition the Lewis Research Center is also presently formulating a program of HTSC technology development to support its future missions. Initial emphasis will be on HTSC magnetic energy storage, microwave power transmission technology and transmission line applications. Other technology areas will also be considered as the program unfolds. REFERENCES [1] Sullivan, D.B. et al. (1978) The Role of Superconductivity In The Space Program: An Assessment of Present Capabilities And Future Potentials, NASA-NBS NBSIR 78-885, Prepared by National Bureau of Standards, Boulder, Col. [2] Pioneering the Space Frontier: The Report of the National Commission on Space, 1988 (New York, Bantam Books). [3] Ride, S.K. (1987) Leadership and America’s Future in Space. A Report to the NASA Administrator, NASA Headquarters. [4] Space Technology to Meet Future Needs, Report of the Committee on Advanced Space Technology, National Research Council, National Academy Press, Washington, DC (1987). [5] Teren, F. (1987) Space station electrical power systems requirements and design, in: Proceedings of the 22nd IECEC. [6] Eyssa, Y.M., Boom, R.W. & McIntosh, G.E. (1982) Superconducting Energy Storage for Space Applications, Applied Superconductivity Center, University of Wisconsin, Madison, WI. [7] FAYMON, K.A. & Rudnick, S.J. (1988) High temperature superconducting magnetic energy storage for future NASA missions, in: Proceedings of the 23rd IECE. [8] Glaser, P., Maynard, O.E., Mackovciak & Ralph, E.L. (1974) Feasibility Study of A Satellite Solar Power Station, NASA Contractor Report CR-2357, Arthur D. Little Inc., Cambridge, MA., Prepared for the NASA Lewis Research Center. [9] Dickinson, R.M. & Brown, W.C. (1975) Radiated Microwave Power Transmission System Efficiency Measurements, TM 33-727, Jet Propulsion Laboratory, California Institute of Technology (March). [10] Experiments Involving A Microwave Beam To Power And Position A Helicopter, IEEE Transactions, Aerospace Electronics Symposium, Vol. AES-5, No. 5 (September 1969). [11] Canadian Airplane Demo. [12] Second Beam Power Workshop, Joint Workshop Sponsored by The Langley Research Center and The Lewis Research Center of NASA, held at the Langley Research Center, Hampton, VA., 28 February-2 March 1989. [13] Joint NASA-ANL Initiative on Space and Aeronautical Applications of High Temperature Superconductivity, Joint Report of Application Studies (January 1988).
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