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  • Other Sources  (17)
  • 2000-2004
  • 1975-1979
  • 1935-1939  (17)
  • 1935  (17)
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  • 2000-2004
  • 1975-1979
  • 1935-1939  (17)
Year
  • 1
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    Unknown
    In:  Geol. Soc. Am. Proc., Milano, Gustav Fischer, vol. 45, no. 3, pp. 327-328, pp. L24306, (ISBN: 0534351875, 2nd edition)
    Publication Date: 1935
    Keywords: Seismology ; Seismics (controlled source seismology) ; Reflection seismics
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  • 2
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    Unknown
    In:  Science, Potsdam, ZIPE, vol. 81, no. 23, pp. 384-386, pp. 5091692, (ISBN: 0-12-018847-3)
    Publication Date: 1935
    Keywords: Seismology ; Seismics (controlled source seismology) ; Geol. aspects ; Tectonics
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  • 3
    facet.materialart.
    Unknown
    In:  Pan Am. Geologist, Milano, Gustav Fischer, vol. 63, no. 3, pp. 303, pp. L24306, (ISBN: 0534351875, 2nd edition)
    Publication Date: 1935
    Keywords: Seismology ; Seismics (controlled source seismology) ; Reflection seismics
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  • 4
    Publication Date: 1935
    Description: Wärmejahr 1934, mit Angabe von Verdunstung Wasserständen und Hinweisen zu früheren Extremjahren KATASTER-BESCHREIBUNG: KATASTER-DETAIL:
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  • 5
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    Unknown
    In:  CASI
    Publication Date: 2019-06-28
    Description: This analysis computes for a predetermined airfoil and given Reynolds Number the course of the "displacement thickness," i.e., the course of the layer by which the streamlines of the potential flow are pushed away from the wing through the frictional layer. The result is, to a certain extent, a new wing contour.
    Type: NACA-TM-781
    Format: application/pdf
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  • 6
    Publication Date: 2019-06-28
    Description: This report presents the results of wind tunnel tests on a Mcdonnell Douglas airplane to determine the wing-fuselage interference of a low-wing monoplane. The tests included a study of tail buffeting and the air flow in the region of the tail. The airplane was tested with and without the propeller slipstream, both in the original condition and with several devices designed to reduce or eliminate tail buffeting. The devices used were wing-fuselage fillets, a NACA cowling, reflexed trailing edge of the wing, and stub auxiliary airfoils.
    Type: NACA-TR-482
    Format: application/pdf
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  • 7
    Publication Date: 2019-06-28
    Description: At the request of the Army Air Corps tests were conducted on a mock-up of the YO-31A airplane to determine the drag of the prestone and oil radiators. The drag of the airplane was determined with both radiators exposed on the lower surface of the fuselage; with each radiator exposed; and with no radiators. The results show that at 120 m.p.h the oil radiator accounted for 2.8 percent of the drag of the complete airplane; the prestone radiator 8.3 percent; and both radiators together, 11.8 percent.
    Type: NACA-TN-549
    Format: application/pdf
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  • 8
    Publication Date: 2019-06-28
    Description: The NACA model 11-B, which has a longitudinally concave planing bottom forward of the step, was tested over a wide range of loading. The results of the tests are presented as curves of resistance and trimming moment plotted against speed for various trim angles and as curves of resistance coefficient at best trim angle, and trimming-moment coefficient. The characteristics of the form at the optimum trim are compared with those of NACA model 11-C which has the same form with the exception of a planing bottom longitudinally straight near the step. Photographs of the models being towed in the tank are included for a comparison of the spray patterns. At the best angles of trim in each case model 11-B has lower resistance at high speeds, a higher maximum positive trimming moment near the hump speed, and a more favorable spray pattern than of model 11-C.
    Type: NACA-TN-545
    Format: application/pdf
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  • 9
    Publication Date: 2019-06-28
    Description: The 6-foot-4-inch wind tunnel and its auxiliary equipment has proven itself capable of continuous and reliable output of data. The real value of the tunnel will increase as experience is gained in checking the observed tunnel performance against full-scale performance. Such has been the case of the 8- by 8-foot tunnel, and for that reason the comparison in the calibration tests have been presented.
    Type: NACA-TN-536
    Format: application/pdf
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  • 10
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    In:  CASI
    Publication Date: 2019-06-28
    Description: The NACA model 11-G flying-boat hull, a modification of NACA model 11-A was tested over a range of loadings. The planing bottom of model 11-G has a variable-radius flare, or concavity, at the chines in contrast to the straight V planing bottom of model 11-A. The results are given as curves of resistance and trimming moment plotted against speed for various angles of trim. The characteristics of the form at the optimum angles of trim are given in non-dimensional form as curves of resistance coefficient, best trim angle, and trimming-moment coefficient plotted against speed coefficient. As compared with the original form, model 11-G is shown to have higher resistance at all loads and speeds and higher maximum trimming moments at heavy loads. The spray pattern, however, is generally more favorable, indicating that the service performance of model 11-A would be improved by some form of chime flare.
    Type: NACA-TN-531
    Format: application/pdf
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