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Implications of Emerging Micro- and Nanotechnologies
Findings and Recommendations
Finding T5.Emerging microtechnology offers new opportunities in propulsion and aerodynamic control, in particular in (1) distributed sensors and actuators on both macro-aerodynamic surfaces and macro-aeropropulsion units and (2) new, scalable, miniaturized and distributed aero- and space-propulsion systems. Emerging microtechnology has achieved preliminary success in sensing and controlling the boundary layer on full-size, subsonic airfoils. New devices for controlling gas and liquid flow, fabricated using microtechnology, promise to increase the power and reliability of air-breathing, full-size propulsion units. Several new aeropropulsion and space propulsion systems, such as micro-turbine engines and micro-rocket engines, have been fabricated and are in the early test phase.
Recommendation T5.The Air Force should move decisively to develop new research and development programs to bring microtechnology to both macro- and microscale propulsion and aerodynamic control systems.
REFERENCES AND NOTES
1. United States Air Force. 2000. Air Force Strategic Plan, Volume 3: Long-Range Planning Guidance. Washington, D.C.: United States Air Force.
2. Office of the Secretary of Defense. 2000. Space Technology Guide FY 2000–2001. Washington, D.C.: Office of the Secretary of Defense, Assistant Secretary of Defense (Command, Control, Communications, and Intelligence); Director, Defense Research and Engineering.
3. International Technology Roadmap for Semiconductors. 2001. Available online at <http://public.itrs.net/> [July 1, 2002].
7. Reed, M.A. 1999. Molecular-scale electronics. Proceedings of the IEEE 87(4): 652–658.
8. Ellenbogen, J.C., and J.C. Love. 2000. Architectures for molecular electronic computers: 1. Logic structures and an adder designed from molecular electronic diodes. Proceedings of the IEEE 88(3): 386–426.
9. Wada, Y. 2001. Prospects for single molecule information processing devices. Proceedings of the IEEE 89(8): 1147–1171.
10. Service, R.F. 2001. Molecules get wired. Science 294(5551): 2442–2443.
11. Meindl, J.D. 1995. Low power microelectronics: Retrospect and prospect. Proceedings of the IEEE 83(4): 619–635.
12. Meindl, J.D. 1996. Physical limits on gigascale integration. Journal of Vacuum Science and Technology B 14(1): 192–195.