Project # 2006-145 MIRAGE

Megacity Impacts on Regional And Global Environment

Principal Investigator(s):  Sasha Madronich, et al.

NSF/NCAR C-130Q Hercules (N130AR)

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Summary of Calibration Factors


Pre-Calibration - 10/28/2005
Variable (Units) Variable Name C1 C2 C3
Dynamic Pressure: Fuselage Left (mbar)QCF+87.1418.614-.0002
Dynamic Pressure: Radome (mbar)QCR+85.6128.644-.0001
Dynamic Pressure: Fuselage Right (mbar)QCFR+68.9896.897-.0011
Total Temperature: Radome Right (deg_C)TTRR&-0.9466.119-.0139
Total Temperature: Radome Left (deg_C)TTRL-1.6936.151-.0293
Total Temperature: Heated Wing (deg_C)TTWH-1.3376.328-.0157
Remote Surface Temp.: Bot. (deg_C)RSTB-48.7609.206.0807
Remote Surface Temp.: Bot. (deg_C)RSTB1-49.9759.466.0680
Remote Surface Temp.: Top (deg_C)RSTT-53.30010.526.0304
Downward Shortwave Irrad. (W/m2)SWT3184.0320.222.0323
Upward Shortwave Irrad. (W/m2)SWB2877.7286.572.0285
Downward Infrared Irrad. (W/m2)IRT264.9137.752-.0794
Upward Infrared Irrad. (W/m2)IRB503.8156.645.3853
Downward Ultraviolet Irrad. (W/m2)UVT79.37.926.0008
Upward Ultraviolet Irrad. (W/m2)UVB37.63.737-.0011
Dew Point Temperature: Bottom (deg_C)DPB0.1629.991-.0007
Dew Point Temperature: Top (deg_C)DPT-0.0289.900.0035
Vertical Presr. Diff. Radome (mbar)ADIFR0.1936.975.0066
Horizontal Presr. Diff. Radome (mbar)BDIFR0.1505.151.0000
Cabin Pressure (mbar)PCAB-2.920-109.068-.0588
CN Inlet Pressure (mbar)PCN541.32054.156-.0065
CN Flow Rate (slpm)FCN0.0140.204-.0010
+   Corrected for systematic offset

Post Calibration - 4/05/2006
Variable (Units) Variable Name C1 C2 C3
Dynamic Pressure: Fuselage Left (mbar)QCF87.0918.611-.0008
Dynamic Pressure: Radome (mbar)QCR85.5718.644-.0001
Dynamic Pressure: Fuselage Right (mbar)QCFR68.6806.894-.0009
Total Temperature: Radome Right (deg_C)TTRR&-3.1576.227-.0248
Total Temperature: Radome Left (deg_C)TTRL-1.6236.154-.0029
Total Temperature: Heated Wing (deg_C)TTWH-1.1786.333-.0164
Remote Surface Temp.: Bot. (deg_C)RSTB-49.9499.640.0547
Remote Surface Temp.: Bot. (deg_C)RSTB1-54.96110.606-.0077
Remote Surface Temp.: Top (deg_C)RSTT-52.01710.071.0300
Downward Shortwave Irrad. (W/m2)SWT3173.8319.330.0274
Upward Shortwave Irrad. (W/m2)SWB2877.3286.792.0356
Downward Infrared Irrad. (W/m2)IRT252.8136.988-.0715
Upward Infrared Irrad. (W/m2)IRB502.4156.580.3890
Downward Ultraviolet Irrad. (W/m2)UVT79.37.962.0007
Upward Ultraviolet Irrad. (W/m2)UVB37.63.753.0005
Dew Point Temperature: Bottom (deg_C)DPB0.27710.002-.0003
Dew Point Temperature: Top (deg_C)DPT0.0319.900.0009
Vertical Presr. Diff. Radome (mbar)ADIFR0.1326.925.0037
Horizontal Presr. Diff. Radome (mbar)BDIFR0.0295.146.0001
Cabin Pressure (mbar)PCAB-2.290-108.919-.0546
CN Inlet Pressure (mbar)PCN*541.3254.154-.0065
*   Pending
&   Certain sensors had to be replaced during the course of the experiment. Post Calibration coefficients were used from the point of the exchange to the end of the project.

Calibration Maneuvers

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 one test flight and one research flight:   145tfXX and 145rf12, respectively.   An additional set of maneuvers was flown during flight 146rf02 of the IMPEX deployment. In each case the variations observed fell within acceptable limits.


PMS-1D Probe Bin Sizes

The SPP-100, SPP-200, SPP-300 and 260X 1-D probes were used on the project.   The minimum droplet size (micrometers) for each sampling bin is listed below.

PMS-1D Probe Bin Diameter (µm)
bin SPP-100 (Range 0) SPP-200 SPP-300
#12.250.0950.275
#23.750.1050.325
#35.250.1150.375
#46.750.1250.425
#58.250.1350.475
#69.750.1450.525
#711.250.1550.575
#812.750.1650.625
#914.250.1750.675
#1015.750.1850.725
#1117.250.2051.45
#1218.750.2252.35
#1320.250.2453.25
#1421.750.2654.15
#1523.250.295.05
#1624.750.355.95
#1726.250.456.85
#1827.750.557.75
#1929.250.708.65
#2030.750.909.55
#2132.251.1010.50
#2233.751.3011.50
#2335.251.5012.50
#2436.751.7013.50
#2538.251.9014.50
#2639.752.1015.50
#2741.252.3016.50
#2842.752.5017.50
#2944.252.7018.50
#3045.752.9019.50
#3147.753.1020.50

The 260X probe provides measurements for 64 bins of 10 µm each. Airspeed limitations place the initial sizing threshold at 50 µm.


Last update: Mon May 8 23:17:09 GMT 2006