Project #2003-113 IDEAS Phase 3
Instrument Development and Education in Airborne Science
J. Stith, et al.
NSF/NCAR C-130Q Hercules (N130AR)
Summary of Calibration Factors
| Pre-Calibration - 08/28/03 | ||||
|---|---|---|---|---|
| Variable (Units) | Variable Name | C1 | C2 | C3 |
| Dynamic Pressure: Fuselage Left (mbar) | QCF | 86.400 | 8.603 | -.0004 |
| Dynamic Pressure: Radome (mbar) | QCR | 85.000 | 8.632 | -.0008 |
| Dynamic Pressure: Fuselage Right (mbar) | QCFR | 68.491 | 6.889 | -.0008 |
| Total Temperature: Radome Right (C) | TTRR | -0.816 | 5.993 | .0017 |
| Total Temperature: Radome Left (C) | TTRL | -0.142 | 5.987 | .0015 |
| Total Temperature: Heated Wing (C) | TTWH | -1.340 | 6.213 | -.0092 |
| Remote Surface Temp. Bot. (C) | RSTB | -46.300 | 8.852 | .1069 |
| Remote Surface Temp. Bot. (C) | RSTB1 | -45.100 | 8.764 | .0976 |
| Remote Surface Temp. Top. (C) | RSTT | -53.000 | 10.526 | .0304 |
| Downward Shortwave Irrad. (W/m2) | SWT | 3995.400 | 365.859 | -3.5422 |
| Upward Shortwave Irrad. (W/m2) | SWB | 2836.300 | 280.590 | -.1522 |
| Downward Infrared Irrad. (W/m2) | IRT | 258.100 | 137.332 | .0518 |
| Upward Infrared Irrad. (W/m2) | IRB | 499.000 | 155.144 | .3442 |
| IR Sink Temperature, top (C) | STT | -12.339 | -4.309 | .1700 |
| IR Dome Temperature, top (C) | DTT | -12.051 | -4.304 | .1676 |
| IR Sink Temperature, bottom (C) | STB | -12.617 | -4.303 | .1708 |
| IR Dome Temperature, bottom (C) | DTB | -12.728 | -4.295 | .1716 |
| Downward Ultraviolet Irrad. (W/m2) | UVT | 73.482 | 7.368 | -.0009 |
| Upward Ultraviolet Irrad. (W/m2) | UVB | 37.002 | 3.679 | -.0010 |
| Dew Point Temperature-Bottom (C) | DPB | 0.150 | 9.904 | .0009 |
| Dew Point Temperature-Top (C) | DPT | 0.850 | 9.916 | -.0002 |
| Vertical Press. Diff. Radome (mbar) | ADIFR | 0.044 | 5.152 | .0001 |
| Horizontal Press. Diff. Radome(mbar) | BDIFR | 0.016 | 5.149 | .0001 |
| Cabin Pressure (mbar) | PCAB | -3.310 | 109.084 | -.0571 |
| CN Inlet Pressure (mbar) | PCN | 541.700 | 54.275 | -.0073 |
| CN Flow Rate (slpm) | FCN | 0.014 | 0.204 | -.0056 |
| 858 Probe Static Pressure (mbar) | XPS | 508.500 | 51.611 | 0.1562 |
| 858 Probe Dynamic Pressure (mbar) | XQC | 137.900 | 13.870 | 0.0020 |
| 858 Probe Vertical Press. Diff. (mbar) | XADIF | 0.457 | 6.893 | -.0020 |
| 858 Probe Horiz. Press. Diff. (mbar) | XBDIF | -0.329 | 7.061 | -.0016 |
Calibration Maneuvers - 8/29/03 and 9/19/03
RAF uses sets of in-flight maneuvers specifically designed to help evaluate the performance of the 3-D wind measurement system on the aircraft. Sets of maneuvers were flown on two of the research flights: RF04 and RF10, respectively. In each case the variations observed fell within acceptable limits.
PMS - 1-D Probe Bin Sizes
A total of five optical particle probes were flow on the aircraft during the project: one standard NCAR PMS-SPP100 probe (SN-109); one modified PMS-SPP100 probe provided by GKSV (SN-128); one standard PMS 2D-C probe; one standard PMS 2D-P probe; and one SPEC 2D-HVPS probe. The three 2-D probes record actual two-dimensional images and do not require a specific calibration. Calibration data on the two 1-D probes are presented below. The end-point diameter droplet sizes (µm) for each sampling bin are listed.
| PMS-1D Probe Bin Diameter (µm) | ||
|---|---|---|
| bin | SPP109 (Range 0) | SPP128 (Range 0) |
| #1 | 1.00 | 1.00 |
| #2 | 2.70 | 2.20 |
| #3 | 4.45 | 3.55 |
| #4 | 6.20 | 4.90 |
| #5 | 7.95 | 6.20 |
| #6 | 9.70 | 7.55 |
| #7 | 11.45 | 8.90 |
| #8 | 13.20 | 10.20 |
| #9 | 14.95 | 11.55 |
| #10 | 16.70 | 12.90 |
| #11 | 18.45 | 14.20 |
| #12 | 20.20 | 15.55 |
| #13 | 21.95 | 16.90 |
| #14 | 23.70 | 18.20 |
| #15 | 25.45 | 19.50 |
| #16 | 27.20 | 20.90 |
| #17 | 28.95 | 22.20 |
| #18 | 30.70 | 23.50 |
| #19 | 32.45 | 24.90 |
| #20 | 34.20 | 26.20 |
| #21 | 35.95 | 27.50 |
| #22 | 37.70 | 28.90 |
| #23 | 39.45 | 30.20 |
| #24 | 41.20 | 31.50 |
| #25 | 42.95 | 32.85 |
| #26 | 44.70 | 34.20 |
| #27 | 46.45 | 35.50 |
| #28 | 48.20 | 36.85 |
| #29 | 49.95 | 38.20 |
| #30 | 51.70 | 39.50 |
| #31 | 53.45 | 40.80 |