Skip to main content

Acoustic Measurements from Wind Tunnel Test of AMELIA - Advanced Model for Extreme Lift and Improved Aeroacoustics

NASA/TM-2014-218862 · NASA (NTRS) · 2014

Public domain · NASA (NTRS)Technical Reports

Overview

A wind tunnel test has been conducted to measure the aerodynamic and acoustic performance of an active circulation-control aircraft with leading- and trailing- edge slot blowing. The 11 Advanced Model for Extreme Lift and Improved Aeroacoustics (AMELIA) model was tested in the Arnold Engineering…

Publisher
NASA (NTRS)
Document
NASA/TM-2014-218862
Year
2014
Pages
91
Chapters
2

Appendix A

Appendix A

Table 1. Sensor locations relative to acoustic center for -10º sideslip. Rho is inches and theta and phi are in degrees.

AoA (deg) Coordinate Mic1 Mic2 Mic3 Mic4 Mic5 Mic6 Mic7 Array Rho 333.5 301.8 287.4 282.6 285.2 297.1 327.4 291.6 -­‐5 Theta 66.0 77.7 87.7 96.8 106.0 116.2 128.4 114.3 Phi 58.5 57.0 56.0 55.0 54.1 52.9 51.2 -­‐50.7 Rho 336.2 304.7 290.4 285.5 288.0 299.8 329.8 294.6 -­‐3 Theta 66.1 77.7 87.6 96.6 105.8 115.8 128.0 113.9 Phi 57.6 56.1 55.1 54.1 53.2 52.0 50.3 -­‐49.8 Rho 339.1 307.7 293.4 288.5 290.9 302.4 332.0 297.6 -­‐1 Theta 66.2 77.7 87.5 96.4 105.5 115.4 127.5 113.5 Phi 56.8 55.2 54.2 53.3 52.3 51.1 49.4 -­‐49.0 Rho 340.5 309.2 294.9 290.0 292.3 303.7 333.1 299.1 0 Theta 66.2 77.7 87.4 96.3 105.3 115.2 127.3 113.3 Phi 56.3 54.8 53.8 52.8 51.8 50.7 48.9 -­‐48.6 Rho 342.0 310.8 296.5 291.5 293.7 305.0 334.1 300.6 Theta 66.2 77.7 87.3 96.2 105.1 115.0 127.1 113.1 Phi 55.9 54.4 53.3 52.4 51.4 50.2 48.5 -­‐48.2 Rho 345.0 313.9 299.6 294.5 296.5 307.5 336.2 303.6 3 Theta 66.3 77.6 87.2 95.9 104.8 114.6 126.6 112.6 Phi 55.1 53.6 52.5 51.6 50.6 49.4 47.6 -­‐47.4 Rho 348.2 317.1 302.7 297.5 299.3 310.0 338.3 306.6 Theta 66.3 77.5 87.0 95.6 104.4 114.1 126.0 112.1 Phi 54.3 52.7 51.7 50.7 49.7 48.5 46.7 -­‐46.6 Rho 351.4 320.3 305.8 300.5 302.1 312.4 340.2 309.6 7 Theta 66.2 77.4 86.7 95.3 104.0 113.6 125.5 111.6 Phi 53.5 52.0 50.9 49.9 48.9 47.7 45.9 -­‐45.9 Rho 356.3 325.2 310.6 304.9 306.1 316.0 343.0 314.0 10 Theta 66.2 77.1 86.3 94.7 103.3 112.9 124.7 110.8 Phi 52.4 50.8 49.7 48.8 47.7 46.5 44.7 -­‐44.9 Rho 359.7 328.6 313.7 307.9 308.8 318.3 344.7 317.0 12 Theta 66.1 76.9 86.0 94.3 102.8 112.3 124.1 110.2 Phi 51.7 50.1 49.0 48.0 47.0 45.8 44.0 -­‐44.3 Rho 364.8 333.6 318.5 312.3 312.8 321.6 347.2 321.4 15 Theta 65.9 76.5 85.5 93.7 102.1 111.5 123.2 109.4 Phi 50.6 49.0 47.9 46.9 45.9 44.7 42.9 -­‐43.3 Rho 368.3 337.0 321.7 315.2 315.4 323.8 348.7 324.2 17 Theta 65.7 76.3 85.1 93.2 101.6 110.9 122.6 108.8 Phi 49.9 48.3 47.2 46.2 45.2 44.0 42.2 -­‐42.8 Rho 373.7 342.1 326.4 319.6 319.2 326.9 350.9 328.5 Theta 65.5 75.8 84.5 92.5 100.7 110.0 121.6 107.8 AoA (deg) Coordinate Mic1 Mic2 Mic3 Mic4 Mic5 Mic6 Mic7 Array Phi 48.9 47.3 46.2 45.2 44.2 42.9 41.1 -­‐42.0 Rho 377.3 345.5 329.6 322.4 321.7 329.0 352.2 331.3 22 Theta 65.3 75.5 84.1 92.0 100.2 109.3 121.0 107.2 Phi 48.3 46.7 45.5 44.6 43.5 42.3 40.5 -­‐41.5 Rho 382.7 350.6 334.3 326.6 325.3 331.9 354.1 335.5 25 Theta 64.9 75.0 83.5 91.2 99.3 108.4 120.0 106.2 Phi 47.3 45.7 44.6 43.6 42.6 41.4 39.6 -­‐40.8 Table 2. Sensor locations relative to acoustic center for -5º sideslip. Rho is inches and theta and phi are in degrees.

AoA (deg) Coordinate Mic1 Mic2 Mic3 Mic4 Mic5 Mic6 Mic7 Array Rho 331.0 299.4 285.2 280.6 283.4 295.7 326.5 293.9 Theta 66.0 77.8 87.8 97.0 106.4 116.5 128.8 114.3 -­‐5 Phi 58.2 56.7 55.7 54.7 53.8 52.6 50.8 -­‐51.1 Rho 333.8 302.4 288.2 283.6 286.3 298.4 328.8 296.8 -­‐3 Theta 66.1 77.8 87.8 96.9 106.1 116.2 128.3 113.9 Phi 57.4 55.8 54.8 53.8 52.9 51.7 49.9 -­‐50.2 Rho 336.8 305.5 291.3 286.6 289.2 301.1 331.1 299.7 Theta 66.2 77.8 87.7 96.6 105.8 115.8 127.9 113.5 -­‐1 Phi 56.5 55.0 53.9 53.0 52.0 50.8 49.0 -­‐49.3 Rho 338.3 307.1 292.9 288.2 290.7 302.4 332.2 301.2 0 Theta 66.2 77.8 87.6 96.5 105.6 115.5 127.6 113.3 Phi 56.1 54.5 53.5 52.5 51.5 50.3 48.6 -­‐48.9 Rho 339.8 308.7 294.5 289.7 292.1 303.7 333.3 302.7 1 Theta 66.3 77.8 87.5 96.4 105.4 115.3 127.4 113.1 Phi 55.7 54.1 53.1 52.1 51.1 49.9 48.1 -­‐48.5 Rho 342.9 311.9 297.7 292.8 295.0 306.3 335.4 305.6 3 Theta 66.3 77.7 87.3 96.1 105.0 114.9 126.9 112.6 Phi 54.9 53.3 52.2 51.3 50.3 49.0 47.3 -­‐47.7 Rho 346.1 315.2 300.9 295.9 297.9 308.9 337.5 308.5 5 Theta 66.3 77.6 87.1 95.8 104.6 114.4 126.3 112.2 Phi 54.1 52.5 51.4 50.5 49.4 48.2 46.4 -­‐46.9 Rho 349.5 318.5 304.2 299.0 300.8 311.4 339.5 311.3 7 Theta 66.3 77.5 86.9 95.5 104.2 113.9 125.8 111.7 Phi 53.3 51.7 50.6 49.7 48.6 47.4 45.6 -­‐46.2 Rho 354.6 323.6 309.1 303.6 305.0 315.1 342.4 315.6 10 Theta 66.2 77.2 86.5 94.9 103.5 113.1 124.9 110.9 Phi 52.2 50.6 49.5 48.5 47.5 46.3 44.5 -­‐45.2 Rho 358.1 327.1 312.4 306.7 307.8 317.5 344.2 318.4 12 Theta 66.1 77.0 86.1 94.5 103.0 112.5 124.3 110.3 Phi 51.5 49.9 48.8 47.8 46.8 45.5 43.7 -­‐44.5 AoA (deg) Coordinate Mic1 Mic2 Mic3 Mic4 Mic5 Mic6 Mic7 Array Rho 363.5 332.4 317.4 311.3 312.0 321.0 346.8 322.6 15 Theta 65.9 76.6 85.6 93.9 102.3 111.7 123.4 109.4 Phi 50.4 48.8 47.7 46.7 45.7 44.5 42.7 -­‐43.5 Rho 367.2 335.9 320.7 314.4 314.7 323.3 348.4 325.3 17 Theta 65.8 76.4 85.3 93.4 101.7 111.1 122.8 108.8 Phi 49.8 48.2 47.0 46.1 45.0 43.8 42.0 -­‐42.9 Rho 372.8 341.3 325.7 319.0 318.7 326.6 350.8 329.3 20 Theta 65.5 75.9 84.7 92.7 100.9 110.1 121.8 107.9 Phi 48.8 47.2 46.1 45.1 44.1 42.8 41.0 -­‐42.1 Rho 376.5 344.8 329.0 322.0 321.4 328.8 352.2 332.0 22 Theta 65.3 75.6 84.2 92.1 100.3 109.5 121.1 107.3 Phi 48.2 46.6 45.5 44.5 43.4 42.2 40.4 -­‐41.6 Rho 382.3 350.3 334.0 326.5 325.3 331.9 354.3 335.8 25 Theta 65.0 75.1 83.6 91.3 99.4 108.5 120.1 106.3 Phi 47.3 45.7 44.6 43.6 42.6 41.3 39.5 -­‐40.8 Table 3. Sensor locations relative to acoustic center for 0º sideslip. Rho is inches and theta and phi are in degrees.

AoA (deg) Coordinate Mic1 Mic2 Mic3 Mic4 Mic5 Mic6 Mic7 Array Rho 328.7 297.1 283.0 278.5 281.6 294.1 325.3 296.1 Theta 65.9 77.8 88.0 97.3 106.6 116.8 129.1 114.2 -­‐5 Phi 58.0 56.4 55.4 54.4 53.4 52.2 50.5 -­‐51.4 Rho 331.5 300.2 286.1 281.6 284.5 296.9 327.7 298.9 -­‐3 Theta 66.1 77.9 87.9 97.1 106.3 116.5 128.6 113.9 Phi 57.1 55.5 54.5 53.5 52.5 51.3 49.5 -­‐50.5 Rho 334.5 303.3 289.2 284.7 287.5 299.6 330.0 301.8 -­‐1 Theta 66.2 77.9 87.8 96.8 106.0 116.0 128.2 113.5 Phi 56.2 54.7 53.6 52.6 51.6 50.4 48.6 -­‐49.7 Rho 336.1 304.9 290.9 286.3 289.0 301.0 331.2 303.2 0 Theta 66.2 77.8 87.7 96.7 105.8 115.8 127.9 113.3 Phi 55.8 54.2 53.2 52.2 51.2 50.0 48.2 -­‐49.3 Rho 337.6 306.6 292.5 287.8 290.5 302.3 332.3 304.7 1 Theta 66.2 77.8 87.6 96.6 105.7 115.6 127.7 113.1 Phi 55.4 53.8 52.8 51.8 50.8 49.6 47.8 -­‐48.8 Rho 340.8 309.9 295.8 291.0 293.4 305.0 334.5 307.5 3 Theta 66.3 77.7 87.4 96.3 105.3 115.1 127.1 112.6 Phi 54.6 53.0 51.9 51.0 50.0 48.7 46.9 -­‐48.0 Rho 344.2 313.3 299.1 294.2 296.4 307.6 336.6 310.3 5 Theta 66.3 77.6 87.2 96.0 104.9 114.7 126.6 112.2 Phi 53.8 52.2 51.1 50.2 49.1 47.9 46.1 -­‐47.3 7 Rho 347.6 316.7 302.5 297.4 299.4 310.2 338.7 313.0 AoA (deg) Coordinate Mic1 Mic2 Mic3 Mic4 Mic5 Mic6 Mic7 Array Theta 66.3 77.5 87.0 95.6 104.4 114.1 126.0 111.7 Phi 53.1 51.5 50.4 49.4 48.4 47.1 45.3 -­‐46.5 Rho 352.9 322.0 307.6 302.2 303.8 314.1 341.7 317.1 10 Theta 66.2 77.3 86.6 95.1 103.7 113.3 125.1 110.9 Phi 52.0 50.4 49.3 48.3 47.2 46.0 44.2 -­‐45.4 Rho 356.6 325.6 311.0 305.4 306.7 316.6 343.6 319.8 12 Theta 66.1 77.1 86.3 94.7 103.2 112.8 124.5 110.4 Phi 51.3 49.7 48.6 47.6 46.5 45.3 43.5 -­‐44.7 Rho 362.2 331.1 316.2 310.3 311.1 320.3 346.3 323.8 15 Theta 66.0 76.7 85.7 94.0 102.4 111.9 123.6 109.5 Phi 50.3 48.7 47.5 46.5 45.5 44.3 42.4 -­‐43.7 Rho 366.0 334.8 319.7 313.5 313.9 322.7 348.1 326.3 17 Theta 65.8 76.5 85.4 93.5 101.9 111.2 122.9 108.9 Phi 49.6 48.0 46.9 45.9 44.9 43.6 41.8 -­‐43.1 Rho 371.8 340.4 325.0 318.3 318.2 326.3 350.6 330.1 20 Theta 65.6 76.0 84.8 92.8 101.0 110.3 121.9 108.0 Phi 48.7 47.1 46.0 45.0 43.9 42.7 40.9 -­‐42.2 Rho 375.8 344.2 328.5 321.5 321.0 328.5 352.2 332.6 22 Theta 65.4 75.7 84.3 92.3 100.4 109.6 121.3 107.3 Phi 48.1 46.5 45.4 44.4 43.3 42.1 40.3 -­‐41.7 Rho 381.8 349.9 333.7 326.3 325.2 331.9 354.4 336.2 25 Theta 65.1 75.2 83.7 91.5 99.5 108.6 120.2 106.4 Phi 47.3 45.7 44.5 43.5 42.5 41.3 39.5 -­‐40.9 Table 4. Sensor locations relative to acoustic center for 5º sideslip. Rho is inches and theta and phi are in degrees.

AoA (deg) Coordinate Mic1 Mic2 Mic3 Mic4 Mic5 Mic6 Mic7 Array Rho 326.4 294.8 280.7 276.4 279.6 292.5 324.0 298.2 -­‐5 Theta 65.9 77.8 88.1 97.4 106.8 117.1 129.4 114.2 Phi 57.7 56.1 55.0 54.1 53.1 51.9 50.1 -­‐51.8 Rho 329.3 297.9 283.9 279.5 282.6 295.3 326.4 301.0 -­‐3 Theta 66.0 77.9 88.0 97.2 106.6 116.7 128.9 113.8 Phi 56.8 55.2 54.2 53.2 52.2 51.0 49.1 -­‐50.9 Rho 332.3 301.1 287.1 282.7 285.7 298.0 328.8 303.8 -­‐1 Theta 66.1 77.9 87.9 97.0 106.2 116.3 128.4 113.4 Phi 56.0 54.4 53.3 52.3 51.3 50.1 48.2 -­‐50.0 Rho 333.9 302.8 288.8 284.3 287.2 299.4 330.0 305.2 0 Theta 66.1 77.9 87.8 96.9 106.0 116.1 128.2 113.2 Phi 55.6 54.0 52.9 51.9 50.9 49.6 47.8 -­‐49.6 Rho 335.5 304.5 290.4 285.9 288.7 300.8 331.1 306.6 Theta 66.2 77.8 87.7 96.7 105.9 115.9 127.9 113.0 AoA (deg) Coordinate Mic1 Mic2 Mic3 Mic4 Mic5 Mic6 Mic7 Array Phi 55.2 53.5 52.5 51.5 50.5 49.2 47.4 -­‐49.2 Rho 338.8 307.9 293.8 289.2 291.8 303.5 333.4 309.4 3 Theta 66.2 77.8 87.5 96.4 105.5 115.4 127.4 112.6 Phi 54.4 52.7 51.6 50.7 49.6 48.4 46.6 -­‐48.4 Rho 342.2 311.4 297.3 292.5 294.8 306.3 335.6 312.1 5 Theta 66.2 77.7 87.3 96.1 105.1 114.9 126.8 112.1 Phi 53.6 52.0 50.9 49.9 48.8 47.6 45.8 -­‐47.6 Rho 345.8 314.9 300.7 295.8 297.9 309.0 337.7 314.7 7 Theta 66.2 77.5 87.1 95.8 104.6 114.3 126.3 111.7 Phi 52.8 51.2 50.1 49.1 48.1 46.8 45.0 -­‐46.8 Rho 351.3 320.4 306.0 300.8 302.5 313.0 340.9 318.6 10 Theta 66.2 77.3 86.7 95.2 103.9 113.5 125.4 110.9 Phi 51.8 50.1 49.0 48.0 47.0 45.7 43.9 -­‐45.7 Rho 355.0 324.2 309.6 304.2 305.6 315.6 342.9 321.2 12 Theta 66.1 77.1 86.3 94.8 103.4 112.9 124.7 110.4 Phi 51.1 49.5 48.3 47.3 46.3 45.0 43.2 -­‐45.0 Rho 360.9 329.9 315.0 309.2 310.1 319.5 345.8 324.9 15 Theta 66.0 76.8 85.8 94.1 102.6 112.0 123.8 109.5 Phi 50.1 48.5 47.4 46.3 45.3 44.1 42.2 -­‐44.0 Rho 364.8 333.7 318.7 312.6 313.1 322.1 347.7 327.4 17 Theta 65.8 76.5 85.5 93.6 102.0 111.4 123.1 108.9 Phi 49.5 47.8 46.7 45.7 44.7 43.4 41.6 -­‐43.3 Rho 370.9 339.6 324.2 317.6 317.6 325.8 350.3 331.0 20 Theta 65.6 76.1 84.9 92.9 101.2 110.4 122.1 108.0 Phi 48.6 47.0 45.8 44.8 43.8 42.6 40.7 -­‐42.4 Rho 375.0 343.5 327.9 321.0 320.6 328.3 352.0 333.3 22 Theta 65.4 75.8 84.4 92.4 100.5 109.8 121.4 107.4 Phi 48.0 46.4 45.3 44.3 43.2 42.0 40.2 -­‐41.8 Rho 381.3 349.4 333.4 326.0 325.0 331.9 354.5 336.6 25 Theta 65.2 75.3 83.8 91.6 99.6 108.7 120.3 106.5 Phi 47.2 45.6 44.5 43.5 42.5 41.2 39.4 -­‐40.9 Table 5. Sensor locations relative to acoustic center for 10º sideslip. Rho is inches and theta and phi are in degrees.

AoA (deg) Coordinate Mic1 Mic2 Mic3 Mic4 Mic5 Mic6 Mic7 Array Rho 324.1 292.5 278.4 274.2 277.6 290.7 322.6 300.3 -­‐5 Theta 65.7 77.8 88.1 97.5 107.0 117.4 129.7 114.0 Phi 57.4 55.8 54.7 53.7 52.7 51.5 49.7 -­‐52.1 Rho 327.1 295.7 281.7 277.4 280.7 293.5 325.0 303.1 -­‐3 Theta 65.9 77.8 88.0 97.3 106.7 117.0 129.2 113.7 Phi 56.5 54.9 53.8 52.9 51.8 50.6 48.7 -­‐51.2 AoA (deg) Coordinate Mic1 Mic2 Mic3 Mic4 Mic5 Mic6 Mic7 Array Rho 330.2 299.0 285.0 280.7 283.8 296.3 327.4 305.8 -­‐1 Theta 66.0 77.8 87.9 97.1 106.4 116.5 128.7 113.3 Phi 55.7 54.1 53.0 52.0 51.0 49.7 47.8 -­‐50.4 Rho 331.8 300.7 286.7 282.3 285.3 297.8 328.6 307.2 0 Theta 66.0 77.8 87.8 97.0 106.2 116.3 128.4 113.1 Phi 55.3 53.7 52.6 51.6 50.5 49.3 47.4 -­‐49.9 Rho 333.5 302.4 288.4 284.0 286.9 299.2 329.8 308.5 1 Theta 66.1 77.8 87.8 96.8 106.0 116.1 128.2 112.9 Phi 54.9 53.2 52.1 51.2 50.1 48.9 47.0 -­‐49.5 Rho 336.9 305.9 291.9 287.3 290.1 302.0 332.1 311.2 3 Theta 66.1 77.7 87.6 96.5 105.6 115.6 127.6 112.5 Phi 54.1 52.5 51.3 50.3 49.3 48.0 46.2 -­‐48.7 Rho 340.4 309.5 295.4 290.7 293.2 304.8 334.4 313.8 5 Theta 66.2 77.6 87.4 96.2 105.2 115.1 127.1 112.1 Phi 53.3 51.7 50.6 49.6 48.5 47.3 45.4 -­‐47.9 Rho 344.0 313.2 299.0 294.1 296.4 307.6 336.7 316.4 7 Theta 66.2 77.5 87.1 95.9 104.7 114.5 126.5 111.6 Phi 52.6 51.0 49.8 48.8 47.8 46.5 44.6 -­‐47.1 Rho 349.7 318.8 304.5 299.3 301.2 311.8 339.9 320.1 10 Theta 66.1 77.3 86.7 95.3 104.0 113.7 125.5 110.9 Phi 51.5 49.9 48.8 47.8 46.7 45.4 43.6 -­‐46.0 Rho 353.6 322.7 308.2 302.8 304.3 314.6 342.1 322.6 12 Theta 66.1 77.1 86.4 94.9 103.5 113.1 124.9 110.4 Phi 50.9 49.2 48.1 47.1 46.0 44.8 42.9 -­‐45.2 Rho 359.6 328.6 313.9 308.1 309.1 318.6 345.1 326.1 15 Theta 66.0 76.8 85.9 94.2 102.7 112.2 123.9 109.5 Phi 49.9 48.3 47.2 46.1 45.1 43.8 42.0 -­‐44.2 Rho 363.7 332.6 317.7 311.6 312.3 321.3 347.1 328.4 17 Theta 65.8 76.5 85.5 93.7 102.1 111.5 123.2 109.0 Phi 49.3 47.7 46.6 45.5 44.5 43.2 41.4 -­‐43.5 Rho 370.0 338.7 323.4 316.9 317.0 325.3 350.0 331.8 20 Theta 65.6 76.1 84.9 93.0 101.3 110.5 122.2 108.1 Phi 48.5 46.8 45.7 44.7 43.7 42.4 40.6 -­‐42.5 Rho 374.3 342.8 327.2 320.4 320.1 327.9 351.9 333.9 22 Theta 65.5 75.8 84.5 92.5 100.7 109.9 121.5 107.5 Phi 47.9 46.3 45.2 44.2 43.1 41.9 40.1 -­‐41.9 Rho 380.8 349.0 333.0 325.7 324.8 331.8 354.5 337.1 25 Theta 65.2 75.4 83.9 91.7 99.7 108.8 120.4 106.5 Phi 47.2 45.6 44.4 43.4 42.4 41.2 39.4 -­‐41.0

Appendix B

Appendix B

All run and sequence numbers are referenced to the acoustic test matrix and not the NFAC run and sequence numbers. Steady state NFAC condition files have been updated to reflect acoustic numbering and also truncated to include only acoustic points.

There are nominally 6 files for each data point and 1 for each run; all are text files.

‘*R*’, is used for indicate run number and ‘*S*’ is used to indicate sequence number.

1: CESTOL*R*_NFACsteady.tab: Steady state file from the NFAC. Recorded by NFAC data system roughly simultaneously with the acoustic data. The most comprehensive file for tunnel conditions and model parameters. All sequences within a run are included in one file.

2: CESTOL*R*p*S*_CB_BNS*R*p*S*_NB.csv: Narrowband array data with peak beamforming levels after background noise subtraction. Note that the background noise point used for subtraction is included in the naming convention.

3: CESTOL*R*p*S*_CB_BNS*R*p*S*_NB_corrections.csv: Corrections added to the array peak levels. The header information includes the propagation distance and convection angles used for the corrections. Frequency dependent corrections include: atmospheric corrections, Kevlar corrections, freefield microphone response in a plate, and a 6 dB pressure doubling.

4: CESTOL*R*p*S*_CB_BNS*R*p*S*_NB_correctedData.csv: Peak array data with corrections added. Format is the same as the uncorrected data file.

5: CESTOL*R*p*S*_narrow.txt: Narrowband data from the 7 freefield microphones and 8 surface mounted Kulites. Each channel is listed by column.

6: CESTOL*R*p*S*_narrow_corrections.txt: Corrections applied to the single microphone data. Header information includes the propagation distance and convection angle for each microphone for a given point. Corrections for atmospheric attenuation and nosecone response are included.

7: CESTOL*R*p*S*_narrow_correctedData.txt: Narrowband data with corrections added. Note that unsteady surface pressure data is not included in the corrected data file.

Source & rights

Source: ntrs.nasa.gov. Public-domain U.S. Government work (17 USC §105) — freely reproducible.

Permanent URL — we don’t break links.

Document details

Doc number
NASA/TM-2014-218862
Publisher
NASA (NTRS)
Year
2014
Pages
91
File size
6.9 MB
Chapters
2