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  • Seismology  (12)
  • FLUID MECHANICS AND HEAT TRANSFER  (5)
  • 42.75
  • AERODYNAMICS
  • 1975-1979
  • 1950-1954  (18)
  • 1952  (18)
  • 1
    facet.materialart.
    Unbekannt
    Seismische Bodenunruhe und Wetter (1952)
    In:  Umschau, Milano, California Institute of Technology Pasadena, vol. 52, no. 6, pp. 646-648, pp. L24306, (ISBN: 0534351875, 2nd edition)
    Details
    Publikationsdatum: 1952
    Schlagwort(e): Seismology ; NOISE ; Meteorology
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    BIBLIOGRAFIE SEISMOLOGIE
  • 2
    facet.materialart.
    Unbekannt
    Waves from blasts recorded in Southern California (1952)
    In:  Trans., Am. Geophys. Union, Milano, California Institute of Technology Pasadena, vol. 33, no. 6, pp. 427-431, pp. L24306, (ISBN: 0534351875, 2nd edition)
    Details
    Publikationsdatum: 1952
    Schlagwort(e): Waves ; Seismometer ; Seismology ; EOS
    Standort Signatur Erwartet Verfügbarkeit
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    BIBLIOGRAFIE SEISMOLOGIE
  • 3
    facet.materialart.
    Unbekannt
    SV and SH (1952)
    In:  Trans., Am. Geophys. Union, Milano, California Institute of Technology Pasadena, vol. 33, no. 6, pp. 573-584, pp. L24306, (ISBN: 0534351875, 2nd edition)
    Details
    Publikationsdatum: 1952
    Schlagwort(e): Waves ; SV waves ; Shear waves ; Seismology ; SH waves ; EOS
    Standort Signatur Erwartet Verfügbarkeit
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    BIBLIOGRAFIE SEISMOLOGIE
  • 4
    facet.materialart.
    Unbekannt
    Surface motion in SV and SH (1952)
    In:  Bull. Geol. Soc. Am., Los Angeles California, 1 p., California Institute of Technology Pasadena, vol. 63, no. 6, pp. 1353, pp. L24306, (ISBN: 0534351875, 2nd edition)
    Details
    Publikationsdatum: 1952
    Schlagwort(e): Surface waves ; Waves ; Seismology ; Shear waves
    Standort Signatur Erwartet Verfügbarkeit
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    BIBLIOGRAFIE SEISMOLOGIE
  • 5
    facet.materialart.
    Unbekannt
    Wave velocities in the outer part of the earth's mantle (1952)
    In:  Nature, Milano, California Institute of Technology Pasadena, vol. 170, no. 6, pp. 289-290, pp. L24306, (ISBN: 0534351875, 2nd edition)
    Details
    Publikationsdatum: 1952
    Schlagwort(e): Velocity analysis ; Seismology ; earth mantle
    Standort Signatur Erwartet Verfügbarkeit
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    BIBLIOGRAFIE SEISMOLOGIE
  • 6
    facet.materialart.
    Unbekannt
    Earthquakes in California (1952)
    In:  Looking Forward, Bull. of The Humanists, Los Angeles California, 1 p., California Institute of Technology Pasadena, vol. 1, no. 6, pp. 9-11, pp. L24306, (ISBN: 0534351875, 2nd edition)
    Details
    Publikationsdatum: 1952
    Schlagwort(e): Seismology ; Seismicity
    Standort Signatur Erwartet Verfügbarkeit
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    BIBLIOGRAFIE SEISMOLOGIE
  • 7
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    Unbekannt
    Progress report, Seismological Laboratory, California Institute of Technology, 1951 (1952)
    In:  Trans., Am. Geophys. Union, Los Angeles California, 1 p., California Institute of Technology Pasadena, vol. 33, no. 6, pp. 759-762, pp. L24306, (ISBN: 0534351875, 2nd edition)
    Details
    Publikationsdatum: 1952
    Schlagwort(e): Seismology ; Project report/description ; EOS
    Standort Signatur Erwartet Verfügbarkeit
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    BIBLIOGRAFIE SEISMOLOGIE
  • 8
    facet.materialart.
    Unbekannt
    Seismizität der Erde (1952)
    Springer
    In:  Professional Paper, Landolt Börnstein (6. Edition) III. Band: Astronomie und Geophysik, Berlin, Springer, vol. 7, no. XVI:, pp. 369-375, (ISBN: 3-540-23712-7)
    Details
    Publikationsdatum: 1952
    Schlagwort(e): Seismology ; Seismicity
    Standort Signatur Erwartet Verfügbarkeit
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    BIBLIOGRAFIE SEISMOLOGIE
  • 9
    facet.materialart.
    Unbekannt
    Earthquakes: past and future (1952)
    In:  Engineers and Architects Sphere, Milano, California Institute of Technology Pasadena, vol. 1, no. 6, pp. 9-11, pp. L24306, (ISBN: 0534351875, 2nd edition)
    Details
    Publikationsdatum: 1952
    Schlagwort(e): Seismology ; Seismicity
    Standort Signatur Erwartet Verfügbarkeit
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    BIBLIOGRAFIE SEISMOLOGIE
  • 10
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    Unbekannt
    Erdbebenwellen (1952)
    Springer
    In:  Professional Paper, Landolt Börnstein (6. Edition) III. Band: Astronomie und Geophysik, Berlin, Springer, vol. 7, no. XVI:, pp. 375-384, (ISBN: 3-540-23712-7)
    Details
    Publikationsdatum: 1952
    Schlagwort(e): Seismology ; Waves
    Standort Signatur Erwartet Verfügbarkeit
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    BIBLIOGRAFIE SEISMOLOGIE
  • 11
    facet.materialart.
    Unbekannt
    Arvin-Tehachapi earthquake, July 21, 1952 (1952)
    California Division of Mines San Francisco
    In:  Mineral Information Service, New York, California Division of Mines San Francisco, vol. 5, no. Nov., pp. 1-8, pp. L03601, (ISSN: 1340-4202)
    Details
    Publikationsdatum: 1952
    Schlagwort(e): Seismology ; Earthquake
    Standort Signatur Erwartet Verfügbarkeit
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    BIBLIOGRAFIE SEISMOLOGIE
  • 12
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    Unbekannt
    Bibliography of microseisms (1952)
    Division of Earthsciences, Seismological Laboratory, California Institute of Technology
    In:  Contract AF 19(122)436, Pasadena, Division of Earthsciences, Seismological Laboratory, California Institute of Technology, vol. 10, no. GL-TR-89-0230, pp. 1-94, (ISBN 3-933346-037)
    Details
    Publikationsdatum: 1952
    Schlagwort(e): Handbook of geophysics ; Seismology ; Seismicity
    Standort Signatur Erwartet Verfügbarkeit
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    BIBLIOGRAFIE SEISMOLOGIE
  • 13
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    Unbekannt
    Method for estimating pitching-moment interference of wing-body combinations at supersonic speed (1952)
    In:  CASI
    Details
    Publikationsdatum: 2019-06-28
    Schlagwort(e): AERODYNAMICS
    Materialart: NACA-RM-A52B06
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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    NASA TECHNICAL REPORTS
  • 14
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    Preliminary Investigation of Cyclic De-Icing of an Airfoil Using an External Electric Heater (1952)
    In:  CASI
    Details
    Publikationsdatum: 2019-06-28
    Beschreibung: An investigation was conducted in the NACA Lewis icing research tunnel to determine the characteristics and requirements of cyclic deicing of a 65,2-216 airfoil by use of an external electric heater. The present investigation was limited to an airspeed of 175 miles per hour. Data are presented to show the effects of variations in heat-on and heat-off periods, ambient air temperature, liquid-water content, angle of attack, and. heating distribution on the requirements for cyclic deicing. The external heat flow at various icing and heating conditions is also presented. A continuously heated parting strip at the airfoil leading edge was found necessary for quick, complete, and consistent ice removal. The cyclic power requirements were found to be primarily a function of the datum temperature and heat-on time, with the other operating and meteorological variables having a second-order effect. Short heat-on periods and high power densities resulted in the most efficient ice removal, the minimum energy input, and the minimum runback ice formations. The optimum chordwise heating distribution pattern was found to consist of a uniform distribution of cycled power density in the impingement region. Downstream of the impingement region the power density decreased to the limits of heating which, for the conditions investigated, extended from 5.7 percent chord on the upper surface of the airfoil to 8.9 percent chord on the lower surface. Ice removal did not take place at a heater surface temperature of 32 F; surface temperatures of approximately 50 to 100 F were required to effect removal. Better de-icing performance and greater energy savings would be possible with a heater having a higher thermal efficiency.
    Schlagwort(e): FLUID MECHANICS AND HEAT TRANSFER
    Materialart: NACA-RM-E51J30
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    NASA TECHNICAL REPORTS
  • 15
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    Unbekannt
    General Correlation of Temperature Profiles Downstream of a Heated Air Jet Directed at Various Angles to Air Stream (1952)
    In:  CASI
    Details
    Publikationsdatum: 2019-06-28
    Beschreibung: An experimental investigation was conducted to determine the temperature profiles downstream of heated air jets directed at angles of 90 deg, 60 deg, 45 deg, and 30 deg to an air stream. The profiles were determined at two positions downstream of the jet as a function of jet diameter, jet density, jet velocity, free-stream density, free-stream velocity, jet total temperature, orifice flow coefficient, and jet angle. A method is presented which yields a good approximation of the temperature profile in terms of the flow and geometric conditions.
    Schlagwort(e): FLUID MECHANICS AND HEAT TRANSFER
    Materialart: NACA-TN-2855
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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    NASA TECHNICAL REPORTS
  • 16
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    Unbekannt
    Preliminary Results of Cyclical De-Icing of a Gas-Heated Airfoil (1952)
    In:  CASI
    Details
    Publikationsdatum: 2019-06-28
    Beschreibung: An NACA 65(sub 1)-212 airfoil of 8-foot chord was provided with a gas-heated leading edge for investigations of cyclical de-icing. De-icing was accomplished with intermittent heating of airfoil segments that supplied hot gas to chordwise passages in a double-skin construction. Ice removal was facilitated by a spanwise leading-edge parting strip which was continuously heated from the gas-supply duct. Preliminary results demonstrate that satisfactory cyclical ice removal occurs with ratios of cycle time to heat-on period (cycle ratio) from 10 to 26. For minimum runback, efficient ice removal, and minimum total heat input, short heat-on periods of about 15 seconds with heat-off periods of 260 seconds gave the best results. In the range of conditions investigated, the prime variables in the determination of the required heat input for cyclical ice removal were the air temperature and the cycle ratio; heat-off period, liquid water content, airspeed, and angle of attack had only secondary effects on heat input rate.
    Schlagwort(e): FLUID MECHANICS AND HEAT TRANSFER
    Materialart: NACA-RM-E51J29
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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    NASA TECHNICAL REPORTS
  • 17
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    Unbekannt
    Impingement of Water Droplets on an NACA 65(sub 1) -212 Airfoil at an Angle of Attack of 4 Deg (1952)
    In:  CASI
    Details
    Publikationsdatum: 2019-06-28
    Beschreibung: The trajectories of droplets in the air flowing past an NACA 651-212 airfoil at an angle of attack of 40 were determined. The collection efficiency, the area of droplet impingement, and the rate of droplet impingement were calculated from the trajectories and are presented herein.
    Schlagwort(e): FLUID MECHANICS AND HEAT TRANSFER
    Materialart: NACA-RM-E52B12
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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    NASA TECHNICAL REPORTS
  • 18
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    Unbekannt
    Simple graphical solution of heat transfer and evaporation from surface heated to prevent icing (1952)
    In:  CASI
    Details
    Publikationsdatum: 2019-06-28
    Schlagwort(e): FLUID MECHANICS AND HEAT TRANSFER
    Materialart: NACA-TN-2799
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    NASA TECHNICAL REPORTS
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