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  • Organic Chemistry  (6,915)
  • AIRCRAFT PROPULSION AND POWER
  • SOLAR PHYSICS
  • 1985-1989  (5,720)
  • 1975-1979  (5,827)
Collection
Keywords
Publisher
Years
Year
  • 1
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    Back to Propellers (1987)
    In:  Other Sources
    Details
    Publication Date: 2019-08-28
    Description: The video shows the unique propfan design. The propfan is designed to achieve the speeds and altitudes of jets while only using half the normal amount of fuel.
    Keywords: AIRCRAFT PROPULSION AND POWER
    Type: ASR-244 , NASA-TM-109445 , NONP-NASA-VT-93-190242
    Format: text
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    NASA TECHNICAL REPORTS
  • 2
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    Unmasking the Sun (1988)
    In:  Other Sources
    Details
    Publication Date: 2019-08-28
    Description: This videotape describes solar-related research at the Mt. Palomar Observatory.
    Keywords: SOLAR PHYSICS
    Type: ASR-248 , NASA-TM-109595 , NONP-NASA-VT-93-190393
    Format: text
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    NASA TECHNICAL REPORTS
  • 3
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    Solar physics in the space age (1989)
    In:  CASI
    Details
    Publication Date: 2019-08-28
    Description: A concise and brief review is given of the solar physics' domain, and how its study has been affected by NASA Space programs which have enabled space based observations. The observations have greatly increased the knowledge of solar physics by proving some theories and challenging others. Many questions remain unanswered. To exploit coming opportunities like the Space Station, solar physics must continue its advances in instrument development, observational techniques, and basic theory. Even with the Advance Solar Observatory, other space based observation will still be required for the sure to be ensuing questions.
    Keywords: SOLAR PHYSICS
    Type: NASA-NP-106 , NAS 1.83:106
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 4
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    Numerical modeling of stimulation of induced magnetosphere during interaction of solar wind with the ionosphere of Venus (1979)
    In:  CASI
    Details
    Publication Date: 2019-08-28
    Description: Electrodynamic processes in the ionopause are examined as well as the structure of the induced magnetosphere.
    Keywords: SOLAR PHYSICS
    Type: NASA-TM-75921 , PR-351
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 5
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    A broad look at solar physics adapted from the solar physics study of August 1975 (1979)
    In:  Other Sources
    Details
    Publication Date: 2019-08-28
    Description: The current status of our knowledge of the basic mechanisms involved in fundamental solar phenomena is reviewed. These include mechanisms responsible for heating the corona, the generation of the solar wind, the particle acceleration in flares, and the dissipation of magnetic energy in field reversal regions, known as current sheets. The discussion covers solar flares and high-energy phenomena, solar active regions; solar interior, convection, and activity; the structure and energetics of the quiet solar atmosphere; the structure of the corona; the solar composition; and solar terrestrial interactions. It also covers a program of solar research, including the special observational requirements for spectral and angular resolution, sensitivity, time resolution, and duration of the techniques employed.
    Keywords: SOLAR PHYSICS
    Format: text
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    NASA TECHNICAL REPORTS
  • 6
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    Investigation of air stream from combustor-liner air entry holes, 3 (1979)
    In:  CASI
    Details
    Publication Date: 2019-08-28
    Description: Jets flowing from air entry holes of the combustor liner of a gas turbine were investigated. Cold air was supplied through the air entry holes into the primary hot gas flows. The mass flow of the primary hot gas and issuing jets was measured, and the behavior of the air jets was studied by the measurement of the temperature distribution of the gas mixture. The air jets flowing from three circular air entry holes, single streamwise long holes, and two opposing circular holes, parallel to the primary flow were studied along with the effects of jet and gas stream velocities, and of gas temperature. The discharge coefficient, the maximum penetration of the jets, the jet flow path, the mixing of the jets, and temperature distribution across the jets were investigated. Empirical expressions which describe the characteristics of the jets under the conditions of the experiments were formulated.
    Keywords: AIRCRAFT PROPULSION AND POWER
    Type: NASA-TM-75430 , NAL-TR-369
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 7
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    Formation of a compound stream between 0.85 AU and 6.2 AU and its effects on solar energetic particles and galactic cosmic rays (1986)
    In:  Other Sources
    Details
    Publication Date: 2019-08-28
    Description: This paper describes the formation of a compound stream as a result of the interaction and coalescence of a series of five streams (a slow transient stream, two corotating streams, and two exceptionally fast transient streams) observed by the Helios B (HB) satellite near 0.85 AU. The compound stream and two merged interaction regions were also observed by the Voyager 1 satellite near 6.2 AU when it was nearly radially aligned with the HB. Closely associated with this compound stream was one of the largest solar energetic particle events observed beyond 5 AU. The relationship of this compound stream and its magnetic fields to the intensity profiles of solar energetic particles and galactic cosmic rays is discussed.
    Keywords: SOLAR PHYSICS
    Type: Journal of Geophysical Research (ISSN 0148-0227); 91; 13331-13
    Format: text
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    NASA TECHNICAL REPORTS
  • 8
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    High accuracy thrust measurement of aeronautical propulsion systems with particular consideration to a hydraulic force measuring device, part 1 (1987)
    In:  CASI
    Details
    Publication Date: 2019-08-28
    Description: Thrust measurement of aircraft and rocket propulsion systems is discussed. The costs as well as the characteristics of mechanical, electrical and hydraulic systems are compared.
    Keywords: AIRCRAFT PROPULSION AND POWER
    Type: NASA-TT-20080 , NAS 1.77:20080
    Format: text
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    NASA TECHNICAL REPORTS
  • 9
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    Solar wind and magnetosphere interactions (1979)
    In:  CASI
    Details
    Publication Date: 2019-08-28
    Description: The relationship between the magnetosphere and the solar wind is addressed. It is noted that this interface determines how much of the solar plasma and field energy is transferred to the Earth's environment, and that this coupling not only varies in time, responding to major solar disturbances, but also to small changes in solar wind conditions and interplanetary field directions. It is recommended that the conditions of the solar wind and interplanetary medium be continuously monitored, as well as the state of the magnetosphere. Other recommendations include further study of the geomagnetic tail, tests of Pc 3,4 magnetic pulsations as diagnostics of the solar wind, and tests of kilometric radiation as a remote monitor of the auroral electrojet.
    Keywords: SOLAR PHYSICS
    Type: NASA. Marshall Space Flight Center Solar-Terrest. Predictions Proc., Vol. 2; p 346-364
    Format: text
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    NASA TECHNICAL REPORTS
  • 10
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    Effects of long-period solar activity fluctuation on temperature and pressure of the terrestrial atmosphere (1978)
    In:  CASI
    Details
    Publication Date: 2019-08-28
    Description: The present state of research on the influence of solar sunspot activity on tropospheric temperature and pressure is reviewed. The existence of an 11-year temperature cycle of 5 different types is affirmed. A cyclic change in atmospheric pressure, deducing characteristic changes between 11-year cycles is discussed. The existence of 80-year and 5-to-6-year cycles of temperature is established, and physical causes for birth are suggested.
    Keywords: SOLAR PHYSICS
    Type: NASA-TM-75345
    Format: application/pdf
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    NASA TECHNICAL REPORTS
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