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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.

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At least 631 records · Page 35

Quiet engine design highlights

Three high performance fans were designed, built, and tested, accumulating 444 hours. All three fans are both aerodynamically and mechanically suitable for direct incorporation into engine applications. Two turbofan demonstrators to evaluate both low- and high-speed fan systems were also designed, built, and tested. All components and engine systems are demonstrating high reliability. These components have demonstrated advanced state-of-the-art in acoustics, aerodynamics, and mechanical design.

Koff, B. L.↗

Summary of highlights of the symposium

Organized studies to isolate the mechanism which might link solar activity to meteorological phenomena are outlined. The importance of relating meteorological and purely solar parameters is stressed, and the need for further satellite studies on the relation of solar sectors to interplanetary properties of the solar wind and magnetic field lines is emphasized.

Rasool, S. I.↗

The United States earth resources survey program and ERTS experiments benefit highlights

With the launch of the first Earth Resources Technology Satellite in July 1972 a major new tool has become available for decision making in the assessment, exploitation, and management of the earth's resources on a national and international basis. The current status of the earth resources survey program is discussed and the future potential is reviewed. The supportive roles of all stages of the system, including surface, aircraft, and satellite components are noted. Specific cases of application of ERTS data are presented together with a discussion of benefits that might accrue. Need for cooperative, coordinated efforts between participants is emphasized.

Jaffe, L.↗