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acoustic admittance AERONAUTICS AND SPACE aircraft alloy analysis angle Angle of attack applications approximately average calculated calibration cavity characteristics CM CM CM COEFFICIENTS combustor composition computed concentration configuration considered Continued detection determined difference direction distribution duct effects electrons emissions energy equation eutectic alloy existing experimental Figure flight flow force frequency fuel-air ratio function given increased indicate length limited liner load loss Mach number maximum measured method mode NASA NATIONAL AERONAUTICS Note observed obtained optimal oxide parameter percent Performing phase pilot piston presented pressure PUBLICATIONS radial range reference refraction Report response sample seal Segment shown in figure shows solution SPACE Space Administration spectra spectrum station surface TECHNICAL technique temperature Tilt tion values wave wing
Page 5 - F7 9. Performing Organization Name and Address 10. Work Unit No. Goddard Space Flight Center Greenbelt, Maryland 20771 11. Contract or Grant No. 12. Sponsoring Agency Name and Address 13. Type of Report and Period Covered National Aeronautics and Space Administration Washington, DC 20546 Technical Report 14.
Page 6 - International d'Unites (SI). In certain cases, utility requires the retention of other systems of units in addition to the SI units. The conventional units stated in parentheses following the computed SI equivalents are the basis of the measurements and calculations reported.
Page 11 - No. 512-51-02-03 11. Contract or Grant No. 12. Sponsoring Agency Name and Address National Aeronautics and Space Administration Washington, DC 20546 13.
Page 28 - Lamont R. Poole Washington Dec. 1976 45 p refs (NASA-TN-D-8353: L-11072) Avail: NTIS HC A03/MF A01 CSCL 08C An initial attempt was made to verify the Langley Research Center and Virginia Institute of Marine Science mid-Atlantic continental-shelf wave refraction model. The model was used to simulate refraction occurring during a continental-shelf remote sensing experiment conducted on August 17. 1973. Simulated wave spectra compared favorably, in a qualitative sense, with the experimental spectra....
Page 21 - However, it was observed that most of the wave energy resided at frequencies higher than those for which refraction and shoaling effects were predicted. In addition, variations among the experimental spectra were so small that they were not considered statistically significant In order to verify the refraction model, simulation must be performed in conjunction with a set of significantly varying spectra in which a considerable portion of the total energy resides at frequencies for which refraction...