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Scale factor: - - 26.37 - Scale factor: - - 26.37 -
Number of prop: 1 - 1 - Number of blades: 4 - 4 -
Water density Ship: 1.025 ton/m3
1000.0 kg/m3
Propeller diameter: 6.00 m 0.2275 m
Design speed: 17.00 knot 1.703 m/s Coord length 0.75R 2.03 m 0.076981 m
Lpp: 171.41 m 6.500 m Blade thickness 0.75R 0.0791 m 0.003 m
Lwl: 174.99 m 6.636 m Pitch ratio P/D=0.75R: 0.94 - 0.94 -
Los: 179.90 m 6.822 m Pitch ratio P/D=0.7R: 0.94 - 0.94 -
Draft fore: 7.91 m 0.300 m Reynolds number /1E5: - - 5.7 -
Draft aft: 7.91 m 0.300 m J value at KT=0: - - 0.98 -
Breadth: 29.01 m 1.100 m Surface roughness 3.00E-05 m - -
Block Coefficient 0.5702 0.5702 BAR: 0.60 - 0.60 -
Wetted surface incl. rudder: 5284.86 m 7.600 m
Displacement: 22988.40 ton 1223.1 kg
Waterplane Area 3380.92 m 4.862 m Gravity 9.81 m/s
Surface roughness 1.50E-04 m - -
Roughness allowance: 0.4 - - -
Wetted surface Ship: 5214.86 m2
Wetted surface Rudder: 70 m2
Wetted surface Total: 5284.86 m
Accuracy of Model Manufactu Model Ship
Longitudinal accuracy 0.001 0 m
Transverse accuracy 0.001 0 m
Vertical accuracy 0.001 0 m
indicates data not required for the calculation but used for completeness
indicates required inputs from the user
indicates that it should be calculated from the raw experiment data however input by user due to missing raw data
Bias Error indicates that item contributes the total bias limit
CONSTANTS
MODEL
PROPELLERHULL
SHIP MODEL SHIP
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ITTC QM 4.9-03-01-03 9.81
Temp Ro table QM Ro table*9.81 Fit values Error Error^2
0.000000 101.95000 1000.12950 1000.100 0.030 0.001
1.000000 101.95000 1000.12950 1000.148 -0.018 0.000
2.000000 101.96000 1000.22760 1000.180 0.048 0.002
3.000000 101.96000 1000.22760 1000.197 0.030 0.0014.000000 101.96000 1000.22760 1000.200 0.027 0.001
5.000000 101.96000 1000.22760 1000.189 0.039 0.002
6.000000 101.96000 1000.22760 1000.163 0.065 0.004
7.000000 101.95000 1000.12950 1000.123 0.007 0.000
8.000000 101.95000 1000.12950 1000.069 0.060 0.004
9.000000 101.94000 1000.03140 1000.002 0.029 0.001
10.000000 101.93000 999.93330 999.922 0.011 0.000
11.000000 101.92000 999.83520 999.829 0.006 0.000
12.000000 101.91000 999.73710 999.723 0.014 0.000
13.000000 101.90000 999.63900 999.604 0.035 0.001
14.000000 101.88000 999.44280 999.473 -0.031 0.001
15.000000 101.87000 999.34470 999.331 0.014 0.000
16.000000 101.86000 999.24660 999.176 0.071 0.005
17.000000 101.84000 999.05040 999.010 0.041 0.002
18.000000 101.82000 998.85420 998.832 0.022 0.00019.000000 101.80000 998.65800 998.643 0.015 0.000
20.000000 101.78000 998.46180 998.444 0.018 0.000
21.000000 101.76000 998.26560 998.234 0.032 0.001
22.000000 101.74000 998.06940 998.014 0.056 0.003
23.000000 101.71000 997.77510 997.783 -0.008 0.000
24.000000 101.69000 997.57890 997.543 0.036 0.001
25.000000 101.66000 997.28460 997.293 -0.008 0.000
26.000000 101.64000 997.08840 997.033 0.055 0.003
27.000000 101.61000 996.79410 996.764 0.030 0.001
28.000000 101.58000 996.49980 996.487 0.013 0.000
29.000000 101.55000 996.20550 996.201 0.005 0.000
30.000000 101.52000 995.91120 995.906 0.005 0.000
SEE 0.035
2*SEE 0.070
y = 4E-05x3 - 0.0077x2 + 0.0552x + 1000.1
995.50
996.00
996.50
997.00
997.50
998.00
998.50
999.00
999.50
1000.00
1000.50
0.00 5.00 10.00 15.00 20.00 25.00 30.00 35.00
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Overall Submerged Length ,LOS 6.822 m Density 1000 kg/m
Waterline Length, LWL 6.636 m
Wetted Surface Area 7.600 m Gravity 9.81 m/sn
Run Speed (m/s) Temp Viscosity Fn Fn**4/Cf RT (N) Re CF CT CT/CF Fit Values of CT/CF Error Error^2
1 0.35 15 1.1394E-06 0.0433791 8.8163E-04 2.25 2.0955E+06 4.0164E-03 4.8335E-03 1.2035 1.207381226 -0.0039 0.00001544
2 0.4 15 1.1394E-06 0.0495761 1.5447E-03 2.88 2.3949E+06 3.9107E-03 4.7368E-03 1.2113 1.212925173 -0.0017 0.000002813 0.45 15 1.1394E-06 0.0557731 2.5324E-03 3.59 2.6942E+06 3.8209E-03 4.6654E-03 1.2210 1.221184065 -0.0002 0.00000003
4 0.5 15 1.1394E-06 0.0619701 3.9399E-03 4.4 2.9936E+06 3.7432E-03 4.6316E-03 1.2373 1.232952985 0.0044 0.00001916
5 0.55 15 1.1394E-06 0.0681671 5.8756E-03 5.29 3.2929E+06 3.6749E-03 4.6020E-03 1.2523 1.249138242 0.0031 0.00000982
6 0.6 15 1.1394E-06 0.0743641 8.4614E-03 6.29 3.5923E+06 3.6142E-03 4.5980E-03 1.2722 1.270759319 0.0014 0.00000204
7 0.65 15 1.1394E-06 0.0805612 1.1833E-02 7.41 3.8917E+06 3.5597E-03 4.6154E-03 1.2966 1.298950634 -0.0024 0.00000564
8 0.7 15 1.1394E-06 0.0867582 1.6140E-02 8.721 4.1910E+06 3.5103E-03 4.6837E-03 1.3343 1.334963171 -0.0007 0.00000047
9 0.75 15 1.1394E-06 0.0929552 2.1546E-02 10.222 4.4904E+06 3.4652E-03 4.7822E-03 1.3801 1.380165988 -0.0001 0.00000001
Mean 1.2676 Sum 0.00005542
STDEV 0.0598
P (S) 0.1195 No of samples
P (M) 0.0398 Xbar
1+k 1.2000 Sxx
SEE 0.0028 Sy
2SEE 0.0056 Sc
2ScFit intercept 1.2000095
Fit slope 8.3615089
NOTE : ALL EXPERIMENTAL RESULTS, I.E. VM, TEMP AND RT, ARE COMPLETELY MADE UP
FORM FACTOR DETERMINATION
y = 8.3615x + 1.2000
1.0000
1.0500
1.1000
1.1500
1.2000
1.2500
1.3000
1.3500
1.4000
0.0000E+00 5.0000E-03 1.0000E-02 1.5000E-02 2.0000E-02 2.5000E-02
C t / C f
Fn**4/Cf
CT/CF Linear (CT/CF)
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Model Ship Model Ship
Length submerged,LOS 6.822 179.896 m Temperature 15 15 degrees
Waterline Length, LWL 6.636 174.991 m Density 1000 1025 kg/m
Wetted Surface Area 7.600 5284.860 m2
Viscosity 1.1394E-06 1.1873E-06 m2/s
Model Scale 26.370
Form Factor 1.2000 Gravity 9.81 m/sn
RT V T CT (Test) Viscosity(Test) CF(Test) CF(T) CT (T) CR(Test)
N m/s degree m/sn
A1 41.713 1.702 16 3.789E-03 1.1099E-06 2.977E-03 2.990E-03 3.806E-03 2.174E-04
A2 41.352 1.702 16 3.757E-03 1.1099E-06 2.977E-03 2.990E-03 3.773E-03 1.846E-04
A3 41.564 1.702 16 3.776E-03 1.1099E-06 2.977E-03 2.990E-03 3.792E-03 2.039E-04
B1 41.365 1.703 15.9 3.753E-03 1.1128E-06 2.978E-03 2.990E-03 3.768E-03 1.801E-04
B2 41.763 1.705 15.9 3.781E-03 1.1128E-06 2.977E-03 2.989E-03 3.795E-03 2.081E-04
B3 41.742 1.705 15.9 3.779E-03 1.1128E-06 2.977E-03 2.989E-03 3.793E-03 2.062E-04
C1 41.744 1.702 16 3.792E-03 1.1099E-06 2.977E-03 2.990E-03 3.808E-03 2.202E-04
C2 42.007 1.705 16 3.803E-03 1.1099E-06 2.976E-03 2.989E-03 3.819E-03 2.318E-04
C3 41.938 1.703 16 3.805E-03 1.1099E-06 2.976E-03 2.990E-03 3.822E-03 2.337E-04
D1 41.482 1.703 14.9 3.764E-03 1.1425E-06 2.991E-03 2.990E-03 3.762E-03 1.744E-04
D2 41.646 1.705 14.9 3.770E-03 1.1425E-06 2.991E-03 2.989E-03 3.768E-03 1.812E-04
D3 41.556 1.703 14.9 3.771E-03 1.1425E-06 2.991E-03 2.990E-03 3.769E-03 1.811E-04
E1 41.577 1.703 16.1 3.773E-03 1.1070E-06 2.975E-03 2.990E-03 3.790E-03 2.026E-04
E2 41.577 1.703 16.1 3.773E-03 1.1070E-06 2.975E-03 2.990E-03 3.790E-03 2.026E-04
E3 41.736 1.703 16.1 3.787E-03 1.1070E-06 2.975E-03 2.990E-03 3.805E-03 2.170E-04
Mean 41.6508 1.7033 15.7800 3.778E-03 Mean 3.791E-03 2.030E-04
STDEV 0.1846 0.0012 0.4601 1.516E-05 STDEV 1.914E-05 1.916E-05
% 0.4432 0.0683 2.9159 0.4014 % 0.5050 9.4402
P (S) 0.3692 0.0023 0.9202 3.033E-05 P (S) 3.829E-05 3.832E-05
% 0.8863 0.1366 5.8317 0.8028 % 1.0101 18.8805
P (M) 0.0953 0.0006 0.2376 7.831E-06 P (M) 9.886E-06 9.895E-06
% 0.2288 0.0353 1.5057 0.2073 % 0.2608 4.8749
MODEL 41.791 1.7033 15.0 2.990E-03 3.791E-03 2.030E-04
SHIP 409688.340 8.7466 15.0 1.479E-03 1.977E-03 2.030E-04
PRECISION
RESISTANCE TESTS
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Model Ship Model Ship
Length submerged,LOS 6.822 179.896 m Temperature 15 degrees
Waterline Length, LWL 6.636 174.991 m Density 1000 kg/m
Length between perp , LPP 6.500 171.405 m Viscosity 1.1394E-06 m /s
Breadth,B 1.100 m
Draught 0.300 m
Block Coefficient 0.5702 Model Speed 1.7033 m/s
Displacement 1223.079 kg Model Resistance 41.791 N
Wetted Surface Area 7.600 5284.860 m2
Model Total Resistance Coef 3.7908E-03
Wetted Surface Coef 2.695
Waterplane area 4.862
Model Scale 26.370
Form Factor 1.2000 Gravity 9.81 m/sn
TEMPERATURE MEASURE 15.0 degrees MODEL FRICTIONAL RES COEF 2.990E-03
Measurement accuracy of thermometer 0.3 degrees PD for model speed -0.0003044
Total Bias Limit 0.3 degrees 2.000 % Bias Error due to model speed -1.087E-06
FESH WATER DENSITY 1000.0000 kg/m3
PD for model length -7.813E-05
PD for Temp (T) -0.1488 Bias Error due to model length -1.563E-07
Bias Eror due to temp measurement -0.0446 kg/m3
PD for kinematic viscosity 4.5505E+02
Bias Error due to temp-density table look 0.0700 kg/m3
Bias Error due to viscosity 4.1139E-06
Density from tables 999.3447 kg/m Total Bias Limit 4.2579E-06 0.142 %
Bias Error due to ITTC1978 Method 0.6553 kg/m3
MODEL RESISTANCE 41.791 N
Total Bias Limit 0.6605 kg/m 0.066 % Accuracy of weights for resistance calibratio 0.00500 %
FRESH WATER VISCOSITY 1.1394E-06 m2/s Bias Error due resistance calibration weights 0.00209 N
PD for Temp (T) -3.0100E-08 Bias Error due to transducer cal ibration 0.1706 N
Bias Error due to temperature -9.0300E-09 m2/s Transducer misalignment angle 0.2500 degrees
Viscosity table 1.1390E-06 m2/s Bias error due to transducer misalignment 0.0004 N
Bias Error due to ITTC formula calculation -4.3500E-10 m /s Bow trim 0.0042 mTotal Bias Limit 9.0405E-09 m /s 0.793 % Stern trim 0.0083 m
MODEL LENGTH WATERLINE 6.636 m Tow post length 0.5000 m
Model length accuracy 0.001 m Tow post misalignment angle 0.7197 degrees
Total Bias Error 0.002 m 0.030 % Bias error due to tow post misalignment 0.0033 N
MODEL LENGTH OVERALL SUBMERGE 6.822 m AD Coversion error 1 bit
Model length accuracy 0.001 m ADC Voltage range 20 volts
Total Bias Limit 0.002 m 0.029 % ADC Range 12 bits
WETTED SURFACE AREA 7.6000 m2
AD Conversion eror 0.0049 volts
Accuracy in length 0.001 m Bias Error due to AD Conversion error -0.0614 N
Accuracy in breadth 0.001 m Total Bias Limit 0.1814 N 0.434 %
Accuracy in depth 0.001 m TOTAL RESISTANCE COEF 3.7908E-03
Displacement to extended dimensions 1229.765 m3
PD for wetted surface -4.988E-04
Wetted surface are at extended dimensions 7.6219 m2
Bias Error due to wetted surface -3.620E-06
Wetted surface change due to dimension 0.0219 m
2
PD for model speed -4.451E-03Displacement increase due to dimension 6.686 kg Bias Error due to speed -1.589E-05
Wetted surface area reduction due to draft 0.0183 m2
PD for Resistance measurement 9.071E-05
Bias error due to dimension error 0.0037 m2
Bias Error due to resistance measurement 1.646E-05
Displacement error from weights 2.295 kg PD for density -3.791E-06
Bias error due to weights 0.0063 m2
Bias Error due to density -2.504E-06
Total Bias Limit 0.0073 m 0.095 % Total Bias Limit 2.3296E-05 0.615 %
MODEL SPEED 1.7033 m/s FORM FACTOR 0.2000
Disk Diameter 0.3810 m Total Bias Limit 0.020 10.000 %
Count 1138 pulse RESIDUARY RESISTANCE COEFFICIENT 2.0298E-04
Time base 0.1000 s PD for Total res coef 1
No Count per rev 8000 pulse Bias Error due to total res coef 2.3296E-05
Encoder error 1.0 pulse PD for form factor -2.990E-03
DA Conversion error 1.5 pulse Bias Error due to form factor -5.980E-05
AD Conversion error 1.5 pulse PD for frictional res coef -1.2000
Curve fit error 0.2500 pulse Bias Error due to frictional res coef -5.1095E-06
Pulse count bias error 2.3585 pulse Total Bias Limit 6.4377E-05 31.715 %
PD for pulse count 0.0015
Bias Error due to pulse count 0.0035 m/s
Time base bias errror 1.025E-05 s
PD for time base -17.0327
Bias Error due to time base -0.0002 m/s
Disk diameter error 0.000115 m
PD for Disk Diameter 4.4705
Bias Error due to disk diameter 0.0005 m/s
Total Bias Limit 0.00357 m/s 0.210 %
BIAS
RESISTANCE TESTS
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Item Number Nom Weight(kg) Total Weight Accuracy (kg) Error Error^2
Ship Model 1.00 260.00 260.00 0.500 0.500 0.250
Ballast 3.00 200.00 600.00 1.000 1.732 3.000
2.00 150.00 300.00 1.000 1.414 2.000
6.00 10.00 60.00 0.050 0.122 0.015
3.00 1.00 3.00 0.005 0.009 0.000
Total 1223.00 kg Bias 2.295 kg
Output (V) Weight (kg) Force (N) Fit Values Error
1 4.930 0.000 0.000 0.061617665 -0.061617665
2 4.556 0.500 4.905 4.767138471 0.137861529
3 4.157 1.000 9.810 9.787199437 0.0228005634 3.767 1.500 14.715 14.69402595 0.020974054
5 3.373 2.000 19.620 19.65117888 -0.03117888
6 2.972 2.500 24.525 24.69640306 -0.171403059
7 2.595 3.000 29.430 29.43966868 -0.009668684
8 2.200 3.500 34.335 34.40940322 -0.074403225
9 1.820 4.000 39.240 39.19041367 0.049586331
10 1.430 4.500 44.145 44.09724018 0.047759823
11 1.040 5.000 49.050 49.00406669 0.045933314
12 0.644 5.500 53.955 53.98638283 -0.031382833
13 0.262 6.000 58.860 58.79255649 0.06744351
14 -0.121 6.500 63.765 63.61131175 0.153688247
15 -0.530 7.000 68.670 68.75718878 -0.087188784
16 -0.919 7.500 73.575 73.65143369 -0.076433686
17 -1.303 8.000 78.480 78.48277056 -0.002770556
Mean 0.0000
STDEV 0.0826
SEE 0.0853
2SEE 0.1706
Fit intercept 62.08893738
Fit Slope -12.58160643
Resistance Transducer Calibration
Error in Displacement
y = -12.582x + 62.089R² = 1
0.000
10.000
20.000
30.000
40.000
50.000
60.000
70.000
80.000
90.000
-2.000 0.000 2.000 4.000 6.000
F o r c e ( N )
volts
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Model Ship Model Ship
Model Scale 26.370 Temperature 15.8000 degrees
Length submerged,LOS 6.822 m Density 1000 kg/m
Waterline Length, LWL 6.636 174.991 m RESISTANCE TEST
Wetted Surface Area 7.600 m2
Model Speed 1.7033 8.747 m/s
Model Resistance 41.791 NPropeller Diameter 0.2275 m Model Total Res Coef 3.7908E-03
Model Frictional Res Coef 2.9898E-03 1.4785E-03
Roughness Drag coef 3.579E-04 Model Residuary Res Coef 2.0298E-04
Ship Roughness 1.500E-04 m FORM FACTOR TESTS
Form Factor 1.2000
Vm n Temp T Q FD Rc KT KQ KQT JT TDF WTM EtaRR
A1 1.703 8.329 15.8 35.390 1.231 12.593 41.648 0.19034 0.02911 0.02989 0.6048 0.179 0.327 1.027
A2 1.706 8.321 15.8 35.333 1.231 12.627 41.636 0.19040 0.02915 0.02990 0.6046 0.179 0.329 1.026
A3 1.705 8.328 15.8 35.525 1.236 12.616 41.640 0.19111 0.02922 0.03000 0.6029 0.183 0.33 1.027
B1 1.705 8.349 15.5 35.536 1.230 12.660 41.694 0.19021 0.02893 0.02989 0.6049 0.183 0.326 1.033
B2 1.706 8.346 15.5 35.430 1.229 12.672 41.690 0.18978 0.02893 0.02985 0.6055 0.181 0.326 1.032
B3 1.705 8.339 15.5 35.493 1.228 12.660 41.694 0.19044 0.02897 0.02990 0.6048 0.182 0.327 1.032
C1 1.699 8.365 16.1 36.025 1.240 12.503 41.611 0.19209 0.02906 0.03002 0.6025 0.192 0.325 1.033C2 1.698 8.329 16.1 35.560 1.227 12.491 41.615 0.19125 0.02901 0.03000 0.6030 0.181 0.327 1.034
C3 1.701 8.330 16.1 35.634 1.228 12.526 41.603 0.19160 0.02903 0.03004 0.6022 0.184 0.329 1.035
D1 1.703 8.400 15.9 36.135 1.262 12.578 41.630 0.19107 0.02934 0.02998 0.6032 0.196 0.323 1.022
D2 1.701 8.348 15.9 36.354 1.259 12.555 41.638 0.19463 0.02961 0.03012 0.6009 0.200 0.329 1.017
D3 1.702 8.325 15.9 35.492 1.239 12.566 41.634 0.19107 0.02933 0.03000 0.6029 0.181 0.329 1.023
E1 1.704 8.349 15.7 35.548 1.231 12.619 41.662 0.19027 0.02896 0.02980 0.6064 0.183 0.324 1.029
E2 1.704 8.330 15.7 35.504 1.230 12.619 41.662 0.19091 0.02907 0.02983 0.6060 0.182 0.326 1.026
E3 1.704 8.347 15.7 35.899 1.235 12.619 41.662 0.19225 0.02906 0.02985 0.6056 0.191 0.325 1.027
Mean 1.703 8.342 15.80 35.657 1.236 12.594 41.648 0.19116 0.02912 0.02994 0.6040 0.1851 0.3268 1.0282
STDEV 0.0064 0.0021 0.0051
% 3.48 0.64 0.49
P (S) 0.0129 0.0042 0.0101
% 6.96 1.27 0.99
P (M) 0.0033 0.0011 0.0026
% 1.80 0.33 0.25
PROPULSION TESTS
Self Propulsion tests
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Model Ship Model Ship
Length submerged,LOS 6.822 179.896 m Temperature 15.8 15 degrees
Waterline Length, LWL 6.636 174.991 m Density 1000 kg/m
Length between perp , LPP 6.500 171.405 m Density Bias 0.739 kg/m
Breadth,B 1.100 m Viscosity 1.1157E-06 1.1873E-06 m2/s
Draught 0.300 m Model Speed 1.70326667 8.747 m/s
Block Coefficient 0.570 Model Resistance 41.7906447 N
Displacement 1223.079 kg Total resistance measurement bias error 0.18140801 N
Wetted Surface Area 7.600 5284.860 m2
Total resistance measurement precision error 0.36915982 N
Wetted Surface Coef 2.695 Total resistance measurement uncertainty 0.41132449 N
Waterplane area 4.862 Model Total resistance Coef 3.7908E-03
Model Scale 26.370 Model Total resistance Coef Bias 2.3296E-05
Propeller Diameter 0.2275 m Model total resistance coef precision error 3.8289E-05
Propeller rate of revolution 8.342 rps Model total resistance coef uncertainty 4.4819E-05
External tow force 12.594 N Model Frictional Res Coef at res test 2.990E-03 1.479E-03
Model Thrust 35.657 N Model Frictional Res Coef Biasat res test 4.2579E-06
Model Torque 1.2358 Nm Model Residuary Res Coef 0.00020298
Model Residuary Res Coef Bias 6.4377E-05
Model Residuary Res Coef Precision error 3.8324E-05
Model Residuary Res Coef uncertainty 7.4921E-05
Form Factor 1.20000946 Ship Roughness 1.5000E-04 m
Form Factor Bias 0.02 Gravity 9.81 m/sn
FRESH WATER TEMPERATURE 15.8 degrees MODEL LENGTH WATERLINE 6.636 m
Measurement accuracy of thermometer 0.3 degrees Model length accuracy 0.001 m
Total Bias Limit 0.3 degrees 1.899 % Total Bias Error 0.002 m 0.030 %
SEA WATER TEMPERATURE 15.0 degrees SHIP LENGTH WATERLINE 174.991 m
Measurement Accuracy of Thermometer 0.0 degrees Ship length accuracy 0.000 m
Total Bias Limit 0.0 degrees 0.000 % Total Bias Error 0.000 m 0.000 %
FESH WATER DENSITY BIAS LIMIT (PRO 1000.0000 kg/m3
MODEL LENGTH OVERALL SUBMERGED 6.822 mPD for temp (T) -0.1582 Model length accuracy 0.001 m
Bias Eror due to temp measurement -0.0474 kg/m Total Bias Error 0.002 m 0.029 %
Bias Error due to temp-density table look 0.0700 kg/m3
SHIP LENGTH OVERALL SUBMERGED 179.896 m
Density from tables 999.2662 kg/m Ship length accuracy 0.000 m
Bias Error due to ITTC1978 Method 0.7338 kg/m Total Bias Error 0.000 m 0.000 %
Total Bias Limit 0.7387 kg/m 0.074 % WETTED SURFACE AREA 7.6000 m
FRESH WATER VISCOSITY (PROP) 1.1157E-06 m2/s Accuracy in length 0.001 m
PD for Temp (T) -2.9164E-08 Accuracy in breadth 0.001 m
Bias Error due to temperature -8.7492E-09 m2/s Accuracy in depth 0.001 m
Viscosity table 1.1154E-06 m2/s Displacement to extended dimensions 1229.765 m
3
Bias Error due to ITTC formula calculation -3.2940E-10 m2/s Wetted surface are at extended dimensions 7.6219 m
2
Total Bias Limit 8.7554E-09 m /s 0.785 % Wetted surface change due to dimension 0.0219 m
SEA WATER VISCOSITY BIAS LIMIT 1.1873E-06 m2/s Displacement increase due to dimension 6.686 kg
PD for Temp (T) -3.2304E-08 Wetted surface area reduction due to draft 0.0183 m2
Bias Error due to temperature 0.0000E+00 m2/s Bias error due to dimension error 0.0037 m
2
Viscosity Table 1.1843E-06 m2/s Displacement error from weights 2.295 kg
Bias Error due to ITTC formula calculation -3.0140E-09 m2/s Bias error due to weights 0.0063 m
2
Total Bias Limit 3.0140E-09 m /s 0.254 % Total Bias Limit 0.0073 m 0.095 %
MODEL SPEED 1.7033 m/s PROPELLER DIAMETER 0.2275
Disk diameter 0.3810 m Accuracy of diameter 0.0001 m
Count 1138 pulse Total Bias Limit 0.0001 m 0.044 %
Time base 0.1000 s MODEL FRICTIONAL RES COEF 2.979E-03
No of count per rev 8000 pulse PD for model speed -0.00030494
Encoder error 1.00 pulse Bias Error due to model speed -1.0887E-06
DA Conversion error 1.50 pulse PD for model Length -7.8269E-05
AD Conversion error 1.50 pulse Bias Error due to model length -1.5654E-07
Curve fit error 0.25 pulse PD for kinematic viscosity 4.6552E+02
Pulse count bias error 2.3585 pulse Bias Error due to viscosity 4.0758E-06
PD for pulse count 0.0015 Total Bias Limit 4.2216E-06 0.142 %
Bias Error due to pulse count 0.0035 m/s SHIP FRICTIONAL RES COEF 1.479E-03
Time base calibration errror 1.025E-05 s PD for ship speed -2.0719E-05
PF for time base -17.0327 Bias Error due to ship speed 0
Bias Error due to time base -0.0002 m/s PD for ship Length -1.0356E-06
Disk diameter bias error 0.0001 m Bias Error due to ship length 0
PD for Disk Diameter 4.4705 PD for kinematic viscosity 1.5263E+02
Bias Error due to disk diameter 0.0005 m/s Bias Error due to viscosity 4.6003E-07
Total Bias Limit 0.00357 m/s 0.210 % Total Bias Limit 4.6003E-07 0.031 %
SHIP SPEED 8.747 m/s ROUGHNESS ALLOWANCE 3.579E-04
Ship speed accuracy 0.000E+00 m/s Roughnes 1.500E-04 m
Total Bias Error 0.000E+00 m/s 0.000 % Roughness accuracy 0.000E+00 m
PROPELLER RATE OF REVOLUTION 8.34233333 rps PD for roughness 6.563E+00
Count 500.54 pulse Bias Error due to roughness 0.000E+00Time base 0.100 seconds PD for ship length 1.493E-04
Number of pulses at one revolution at prop 600 pulse Bias Error due to ship length 0.000E+00
Encoder pulse count error 1 pulse Total Bias Limit 0.000E+00 0.000 %
DA Conversion error 1.5 pulse CORRECTED RESISTANCE 41.647
AD Conversion error 1.5 pulse F 9.966E-01
Pulse count bias error 2.345 pulse PD F for form factor -1.536E-04
PD for pulse count 0.0167 Bias Error of F due to form factor -3.071E-06
Bias Error due to pulse count 0.0391 rps PD F1 for cor frictional res coef 3.166E+02
Time base bias error 1.03E-05 rps Bias Error of Fdue to cor frictional res coef 0.00133639
PD for time base -83.423 PD F1 for frictional res coef 315.469194
Bias Error due to time base -0.0009 m/s Bias Error of Fdue to frictional res coef 0.00134323
Total Bias Limit 0.0391 rps 0.469 % PD F for residuary res coef 9.078E-01
EXTERNAL TOW FORCE 12.594 N Bias Error of F due to residuary res coef 6.8016E-05
Bias Error due to measurement 0.1814 N F Bias 0.001896
PD for Density 0.0159 PD for F 4.1791E+01Bias Error of curve fit due to density 0.0117 Bias Error due to F 7.9235E-02
PD for Wetted surface 2.0927 PD for Resistance 4.099E-01
Bias Error of curve fit due to wetted surface 0.0152 Bias Error due to resistance measurement 1.686E-01
PROPULSION TESTS
BIAS
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Item Number Nom Weight(kg) Total Weight Accuracy (kg) Error Error^2
Ship Model 1.00 310.00 310.00 0.500 0.500 0.250
Ballast 2.00 200.00 400.00 1.000 1.414 2.000
3.00 150.00 450.00 1.000 1.732 3.000
6.00 10.00 60.00 0.050 0.122 0.015
3.00 1.00 3.00 0.005 0.009 0.000
Total 1223.00 kg Bias 2.295 kg
Weight(kg) Moment Arm (m) Accuracy of weig Accuracy ar Error 2̂
0 0.1 0.005 0.0002 0
1 0.1 0.005 0.0002 4.0025E-08
2 0.1 0.005 0.0002 1.601E-073 0.1 0.005 0.0002 3.60225E-07
4 0.1 0.005 0.0002 6.404E-07
5 0.1 0.005 0.0002 1.00063E-06
6 0.1 0.005 0.0002 1.4409E-06
Bias 0.001908475 kgm
0.018722135 Nm
Output (V) Weight (kg) Force (N) Fit Values Error
1 0.001 0 0 -0.099621044 0.099621044
2 0.81 1 9.81 9.802454037 0.007545963
3 1.621 2 19.62 19.72900891 -0.109008909
4 2.421 3 29.43 29.52092493 -0.090924935
5 3.21 4 39.24 39.17820212 0.061797885
6 4.021 5 49.05 49.10475699 -0.054756986
7 4.811 6 58.86 58.77427406 0.085725938
Mean 0.0000
STDEV 0.0859
SEE 0.0941
2SEE 0.1883
Fit intercept -0.111860939
Fit slope 12.23989503
Output (V) Weight (kg) Moment arm Moment (Nm) Fit Values Error
1 0.003 0 0.1 0 0.000242898 -0.0002429
2 -1.01 1 0.1 0.981 0.980102525 0.0008975
3 -2.025 2 0.1 1.962 1.961896721 0.0001033
4 -3.04 3 0.1 2.943 2.943690918 -0.0006909
5 -4.053 4 0.1 3.924 3.923550545 0.0004495
6 -5.07 5 0.1 4.905 4.907279311 -0.0022793
7 -6.08 6 0.1 5.886 5.884237083 0.0017629
Mean 0.0000
STDEV 0.0013
SEE 0.0014
2SEE 0.0028
Fit intercept 0.0031448
Fit Slope -0.9672849
Error in Displacement
Torque Calibration Weights
Torque Transducer Calibration
Thrust Transducer Calibration
y = 12.23990x - 0.11186
-10
0
10
20
30
40
50
60
70
0 1 2 3 4 5 6
y = -0.9673x + 0.0031
0
1
2
3
4
5
6
7
-7 -6 -5 -4 -3 -2 -1 0 1
kg
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Summary of bias errors and uncertainties
Term Magnitude Percentage values
Model geometry (Lwl) 6.636
BL 0.002 0.03
Model geometry (Los) 6.822
BL 0.002 0.03
Ship geometry (Lwl) 174.99132
BL 0 0.00
Ship geometry (Los) 179.89614
BL 0 0.00
Model geometry (WS) 7.600
BS1 3.666E-03 25.51
BS2 6.264E-03 74.49
BS 7.258E-03 0.10
Propeller geometry (D) 0.227531286
BD 0.0001 0.04
Model speed 1.703
n-Pulse count 1138.405
Bn1-pulse count-encoder 1.000 17.98
Bn2-pulse count- DAC 1.500 40.45
Bn3-pulse count -ADC 1.500 40.45
Bn4-pulse count-curve fit 0.250 1.12
Bn-pulse count bias error 2.358 0.21
D-Wheel diameter 0.38100
BD-wheel diameter bias error 0.00012 0.03
Dt-Time base 1.000E-01
BDt-Time base bias error 1.025E-05 0.01
qVnBn 0.00353 97.69
qVDBD 0.00051 2.07
qVDtBDt -0.00017 0.24
BV 0.00357 0.21
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Ship speed 8.74656871
BVS 0 0.00
Propeller rate of revolution 8.342
n-Pulse count 500.540
Bn1-pulse count-encoder 1.000 17.98
Bn2-pulse count- DAC 1.500 40.45
Bn3-pulse count -ADC 1.500 40.45
Bn-pulse count 2.345 0.47
Dt-Time base 1.000E-01
BDt-Time base error 1.025E-05 0.01
qUnBn 0.03909 99.95
qUDtBDt -0.00086 0.05
BU 0.03910 0.47
FW density (Propulson Test) 1000.000
BD1-Temp Measurement -0.0474 0.41
BD2-Table look up 0.0700 0.90BD3-ITTC 1978 0.7338 98.69
BD 0.7387 0.07
FW viscosity (Propulsion Te 1.116E-06
Bv1-Temp Measurement -8.749E-09 99.86
Bv2-ITTC formula -3.294E-10 0.14
Bv 8.755E-09 0.78
SW viscosity (Propulsion Te 1.187E-06
Bv1-Temp Measurement 0.000E+00 0.00
Bv2-ITTC formula -3.014E-09 100.00
Bv 3.014E-09 0.25
Model fric res coef (Cfc) 1.479E-03
Bc1-Model speed -1.089E-06 6.65
Bc2-Model length -1.565E-07 0.14
Bc3-model viscosity 4.076E-06 93.21
Bc 4.222E-06 0.29
Ship fric res coef (Cfs) 1.479E-03
Bc1-ship speed 0.000E+00 0.00
Bc2-ship length 0.000E+00 0.00
Bc3-ship viscosity 4.600E-07 100.00
Bc 4.600E-07 0.03
Roughness Allowance] 3.579E-04
BDc1-Roughness 0.000E+00BDc2-ship length 0.000E+00
BDc 0.000E+00 0.00
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External Tow Force (FD) 12.594
BFd1-Force measurement 0.181 80.50
BFd2-Density 0.012 1.73
BFd2-Wetted surface 0.015 2.89
BFd2-speed 0.067 55.78
BFd2-model fric res coef 0.056 39.13
BFd2-ship fric res coef 0.006 0.46
BFd2-roughness 0.000 0.00
BFd2-curve fit 0.089 19.50
BFd 0.202 1.61
Corrected Resistance (Rc) 41.647
F 9.966E-01
qBFBk-form factor -3.071E-06 0.00
qBFBCfc-Cor Frictional res co 1.336E-03 49.68
qBFBCf-Frictional res coef 0.00134323 50.19
qBFBCr-residuary res coef 6.802E-05 0.13
BF 1.896E-03 0.19
BRt 1.686E-01
qRcBF 0.07924 18.09
qRcBRt 0.16861 81.91
BRc 0.18630 0.45
Thrust Measurement 35.6572
BT1-Calibration Weights 0.0018 0.01
BT2-Calibration 0.1883 97.53
BT3-AD covertion 0.0024 0.02
BT 0.1906 0.53
Torque Measurement 1.2358
BQ1-Calibration Weights 0.0025 31.23BQ2-Calibration 0.0028 40.29
BQ3-AD covertion -0.0024 28.49
BQ 0.0044 0.36
Thrust Coefficient 0.1912
qKtBT-Thrust measurement 0.0010 23.80
qKtBDen-Density -0.0001 0.45
qKtBn-prop rate of rev -0.0018 73.17
qKtBD-Propeller diameter -0.0003 2.57
BKt 0.0021 1.10
Torque Coefficient 0.0291
qKtBT-Thrust measurement 0.0001 12.09qKtBDen-Density 0.0000 0.51
qKtBn-prop rate of rev -0.0003 82.84
qKtBD-Propeller diameter -0.0001 4.55
BKt 0.0003 1.03
JT 0.6028
qJTBKT -0.0088 94.76
qJTBOpen Water 0.0020 5.09
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qJTBCurve 0.0004 0.15
BJT 0.0091 1.50
KQT 0.0300
qKQTBOpenWater 0.0003 5.90
qKQTBJT -0.0010 94.09
qKQTBCurve 0.0000 0.00
BKQT 0.0011 3.59
Wake Fraction 0.3283
qKtBT-Thrust measurement -0.0101 89.47
qKtBDen-Density 0.0003 0.08
qKtBn-prop rate of rev -0.0031 8.71
qKtBD-Propeller diameter 0.0014 1.74
BwT 0.0107 3.25
Relative Rotative Efficiency 1.0305
qErBKQT 0.0370 92.40
qErBKQ -0.0106 7.60
Ber 0.0385 3.74
Thrust Deduction 0.1852
qtBT-Thrust measurement 0.0044 24.19
qtBFD 0.0057 41.00
qtBRC -0.0052 34.81
Bt 0.0089 4.78
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TOTAL UNCERTAINTIES %
Bt(M) 0.00886 87.6196
Pt(M) 0.00333 12.3804
Ut(M) 0.00946 5.1081
Bt(S) 0.00886 32.0569
Pt(S) 0.01289 67.9431
Ut(S) 0.01564 8.4449
BwT(M) 0.01066 98.9986
PwT(M) 0.00107 1.0014
UwT(M) 0.01072 3.2652
BwT(S) 0.01066 86.8259
PwT(S) 0.00415 13.1741
UwT(S) 0.01145 3.4865
BEr(M) 0.03850 99.5390
PEr(M) 0.00262 0.4610
UEr(M) 0.03859 3.7443
BEr(S) 0.03850 93.5036
PEr(S) 0.01015 6.4964
UEr(S) 0.03981 3.8633
73%
27%
Bt(M)
Pt(M)
41%
59%
Bt(S)
Pt(S)
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91%
9%
BwT(M)
PwT(M)
72%
28%
BwT(S)
PwT(S)
94%
6%
BEr(M)
PEr(M)
79%
21%
BEr(S)
PEr(S)
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J 0.55
Vm n Temp T Q KT KQ
A1 0.216077 0.033079
A2 0.216147 0.033089
A3 0.216147 0.032959B1 0.216578 0.033109
B2 0.216508 0.033149
B3 0.216337 0.032979
C1 0.216167 0.033109
C2 0.216097 0.033069
C3 0.216528 0.032989
D1 0.216227 0.033069
D2 0.216297 0.033079
D3 0.216317 0.032949
E1 0.216598 0.033149
E2 0.216097 0.033079
E3 0.216187 0.032939
Mean 1.751991 14.00 15 113.6191 3.950698 0.2163 0.03305
STDEV 0.0002 0.0001
% 0.0852 0.2159
P (S) 0.0004 0.0001
% 0.1703 0.4317
P (M) 0.0001 0.0000
% 0.0440 0.1115
J 0.6
Vm n Temp T Q KT KQ
A1 0.192201 0.030183
A2 0.192585 0.030264
A3 0.192393 0.030093
B1 0.192646 0.030244
B2 0.1921 0.030173
B3 0.192242 0.030073C1 0.192333 0.030193
C2 0.192545 0.030244
C3 0.192626 0.030103
D1 0.192393 0.030193
D2 0.192333 0.030163
D3 0.192161 0.030063
E1 0.192777 0.030244
E2 0.192646 0.030244
E3 0.192181 0.030063
Mean 1.911263 14.00 15 101.0765 3.606023 0.1924 0.03017
STDEV 0.0002 0.0001
% 0.1108 0.2416
P (S) 0.0004 0.0001
% 0.2215 0.4832
P (M) 0.0001 0.0000% 0.0572 0.1248
OPEN WATER PROPELLER PRECISION TESTS FOR J=0.55
OPEN WATER PROPELLER PRECISION TESTS FOR J=0.60
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J 0.65
Vm n Temp T Q KT KQ
A1 0.168878 0.027353
A2 0.168868 0.027363
A3 0.168938 0.027182
B1 0.168748 0.027303B2 0.168527 0.027293
B3 0.168928 0.027192
C1 0.168898 0.027363
C2 0.168618 0.027303
C3 0.168878 0.027192
D1 0.168638 0.027353
D2 0.168608 0.027293
D3 0.168578 0.027222
E1 0.168517 0.027293
E2 0.168537 0.027303
E3 0.168968 0.027182
Mean 2.070535 14.00 15 88.64281 3.260584 0.1687 0.02728
STDEV 0.0002 0.0001
% 0.1016 0.2483
P (S) 0.0003 0.0001% 0.2032 0.4965
P (M) 0.0001 0.0000
% 0.0677 0.1282
J Vm n Temp T Q KT KQ
0.55 1.75 14.00 15.00 113.62 3.95 0.2163 0.03305
0.6 1.911263 14 15 101.0765 3.606023 0.1924 0.03017
0.65 2.070535 14 15 88.64281 3.260584 0.1687 0.02728
OPEN WATER TESTS FOR VARYING J
OPEN WATER PROPELLER PRECISION TESTS FOR J=0.65
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JT KT KQ Estimated Estimated Error Kt Error Kq
0.55 0.216287 0.033053 0.216253 0.033054 -3.45607E-05 1.065E-06
0.6 0.192411 0.030169 0.19248 0.030167 6.91215E-05 -2.13E-060.65 0.168742 0.027279 0.168707 0.02728 -3.45607E-05 1.065E-06
Mean -5.55112E-17 1.15648E-18
SEE 8.46562E-05 2.60871E-06
2SEE 0.000169312 5.21741E-06
Kt Kq
slope -0.475452575 -0.057737675
intercept 0.477751514 0.064809883
Kt JT Estimated Error Error^2
0.216287 0.55 0.549927 7.27E-05 5.28E-09
0.192411 0.6 0.600145 -0.00015 2.11E-08
0.168742 0.65 0.649927 7.27E-05 5.28E-09
Mean 7.4E-17
SEE 0.000178 Intercept 1.004832699
2SEE 0.000356 Slope -2.103245859
JT KT KQ power kt kq
0.55 0.216287 0.033053 0 0.4924 0.06407
0.6 0.192411 0.030169 1 -0.524 -0.05530.65 0.168742 0.027279 2 0.04 -0.002
OPEN WATER PROPELLER JT-KT, JT-KQ REGRESSION COEFFICIENTS
LINEAR REGRESSION OF JT-KT AND JT-KQ
LINEAR REGRESSION OF KT-JT
y = -0.4755x + 0.4778
y = -0.0577x + 0.0648
0
0.05
0.1
0.15
0.2
0.25
0.5 0.55 0.6 0.65 0.7
K T ,
K Q
JTKt Kq Linear (Kt) Linear (Kq)
y = 0.041473x2 - 0.525220x + 0.492613
y = -0.001278x2 - 0.056204x + 0.064352
0
0.05
0.1
0.15
0.2
0.25
0.54 0.56 0.58 0.6 0.62 0.64 0.66
K t , K q
J
Kt Kq Poly. (Kt) Poly. (Kq)
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JT KT power coef
0.55 0.216287 0 1.019
0.6 0.192411 1 -2.2518
0.65 0.168742 2 0.3859
OPEN WATER PROPELLER KT-JT REGRESSION COEFFICIENTS
y = 0.3859x2 - 2.2518x + 1.019
0.54
0.56
0.58
0.6
0.62
0.64
0.66
0.15 0.17 0.19 0.21 0.23
J
Kt
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Model Model
Model Speed 1.9197 m/s Temperature 15 degreesJ 0.602638
KT 0.191165
KQ 0.030744
Propeller rate of revolution 14.00 rps Density 1000 kg/m3
Propeller Thrust 100.4218 N Propeller Diameter 0.2275 m
Propeller Torque 3.6747 Nm Gravity 9.8100 m/sn
FRESH WATER TEMPERATURE 15.0 degrees PROPELLER DIAMETER 0.2275
Measurement accuracy of thermometer 0.3 degrees Accuracy of diameter 0.0001 m
Total Bias Limit 0.3 degrees 2.000 % Total Bias Limit 0.0001 m 0.044 %
FESH WATER DENSITY BIAS LIMIT 1000.0000 kg/m3
CARRIAGE SPEED 1.9197 m/s
PD for temperature -0.1488 Disk Diameter 0.3810 m
Bias Eror due to temp measurement -0.0446 kg/m3
Count 1283.0 pulse
Bias Error due to temp-density table look 0.0700 kg/m Time base 0.1000 sDensity from tables 999.3447 kg/m
3No Count per rev 8000 pulse
Bias Error due to ITTC1978 method 0.6553 kg/m Encoder error 1.0 pulse
Total Bias Limit 0.6605 kg/m 0.066 % DA Conversion error 1.5 pulse
PROPELLER RATE OF REVOLUTION 14 rps AD Conversion error 1.5 pulse
Count 840.0000 pulse Curve fit error 0.2500 pulse
Time base 0.1000 seconds Pulse count bias error 2.3585 pulse
Number of pulses at one revolution at prop shaft 600.0000 pulse PD for pulse count 0.0015
Encoder pulse count error 1.0 pulse Bias Error due to pulse count 0.0035 m/s
DA conversion error 1.5 pulse Time base bias error 1.025E-05 s
AD conversion error 1.5 pulse PD for time base -19.1967
Pulse Count bias Error 2.3452 pulse Bias Error due to time base -0.0002 m/s
PD for pulse count 0.0167 Disk diameter error 0.000115 m
Bias Error due to pulse count 0.0391 rps PD for disk diameter 5.0385
Time base bias error 1.03E-05 seconds Bias Error due to disk diameter 0.0006 m/s
PD for time base -140.0000 Total Bias Limit 0.00358 m/s 0.187 %
Bias Error due to time base -0.0014 rps TORQUE MEASUREMENT (Q) 3.6747 Nm
Total Bias Limit 0.0391 rps 0.279 % Accuracy of weights for resistance calibrati 0.00500 %
ADVANCE COEFFICIENT (JT) 0.6026 Accuracy of moment arm 0.00020 m
PD for Speed (V) 0.3139 Moment arm 0.12500 m
Bias Error due to speed (V) 0.0011 Torque cal ibration weight bias error 0.0015 N
PD for prop rate of rev (n) -0.0430 Bias Error due to calibration weights 0.0002
Bias Error due to pro rate of rev (n) -0.0017 Torque calibration moment arm bias error 0.0002 m
PD for prop diameter (D) -2.6486 Bias Error due to moment arm 0.005880
Bias Error due to prop diameter (m) -0.0003 Bias Error due to torque calibration weights 0.0059 Nm
Total Bias Limit 0.00204 0.339 % Bias Error due to torque calibration 0.0098 Nm
THRUST MEASUREMENT (T) 100.4218 N AD Conversion Error 1.0000 bit
Accuracy of weights for resistance calibration 0.00500 % AD Conversion Range 10.0000 volts
Bias Error due to thrust calibration weights 0.0050 N AD Conversion Accuracy 12 bit
Bias Error due to transducer calibration 0.3149 N AD Conversion Error 0.0024 volts AD Conversion Error 1.0000 bit Bias Error due to AD conversion 0.0072 Nm
AD Conversion Range 10.0000 volts Total Bias Limit 0.0135 Nm 0.368 %
AD Conversion Accuracy 12 bit TORQUE COEFFICIENT (KQ) 0.0307441
AD Conversion Error 0.0024 volts PD for torque measurement (Q) 0.0083664
Bias Error due to AD Conversion Error 0.1910 N Bias Error due to torque measurement (Q) 0.0001132
Total Bias Limit 0.3683 N 0.367 % PD for density (rho) -0.0000307
THRUST COEFFICIENT (KT) 0.191165 Bias Error due to density (rho) -0.0000203
PD for thrust (T) 0.001904 PD for prop rate of rot (n) -0.0043920
Bias Error due to thrust measurement (T) 0.000701 Bias Error due to prop rate of rev (n) -0.0001718
PD for density (rho) -0.000191 PD for prop diameter (D) -0.6756021
Bias Error due to density -0.000126 Bias Error due to prop diameter (D) -0.0000676
PD for prop rate of rev (n) -0.027309 Total Bias Limit 0.0002175 0.707 %
Bias Error due to n -0.001068
PD for prop diameter (D) -3.360673
Bias Error due to D -0.000336Total Bias Limit 0.001327 0.694 %
OPEN WATER PROPELLER TESTS
BIAS
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Output (V) Weight (kg) Force (N) Fit Values Error
1 0.000 0.000 0 -0.208657771 0.208657771
2 1.255 10.000 98.1 97.99090592 0.109094078
3 2.509 20.000 196.2 196.112223 0.087777049
4 3.763 30.000 294.3 294.23354 0.066460019
5 5.017 40.000 392.4 392.354857 0.04514299
6 6.272 50.000 490.5 490.5544207 -0.054420703
7 0.006 0.000 0 0.260822214 -0.260822214
8 -1.248 -10.000 -98.1 -97.86049481 -0.239505185
9 -2.503 -20.000 -196.2 -196.0600585 -0.139941491
10 -3.758 -30.000 -294.3 -294.2596222 -0.040377798
11 -5.013 -40.000 -392.4 -392.4591859 0.059185896
12 -6.268 -50.000 -490.5 -490.6587496 0.158749589
Mean 0.0000
STDEV 0.1501
SEE 0.1574
2SEE 0.3149
Fit intercept -0.208657771
Fit slope 78.2466643
Output (V) Weight (kg) Moment arm Moment (Nm) Fit Values Error
1 0.0000 0 0.125 0 -0.001468138 0.0014681
2 1.6680 4 0.125 4.905 4.896239453 0.0087605
3 3.3400 8 0.125 9.81 9.805692145 0.0043079
4 5.0120 12 0.125 14.715 14.71514484 -0.0001448
5 6.6850 16 0.125 19.62 19.62753381 -0.0075338
6 0.0000 0 0.125 0 -0.001468138 0.0014681
7 -1.6690 -4 0.125 -4.905 -4.902112004 -0.002888
8 -3.3390 -8 0.125 -9.81 -9.805692145 -0.0043079
9 -5.0100 -12 0.125 -14.715 -14.71220856 -0.0027914
10 -6.6820 -16 0.125 -19.62 -19.62166125 0.0016613
Mean 0.0000
STDEV 0.0046
SEE 0.0049
2SEE 0.0098
Fit intercept -0.0014681
Fit tangent 2.9362755
Thrust Transducer Calibration
Torque Transducer Calibration
y = 78.24666x - 0.20866
-600
-400
-200
0
200
400
600
-8.000 -6.000 -4.000 -2.000 0.000 2.000 4.000 6.000 8.000
y = 2.9363x - 0.0015
-25
-20
-15
-10
-5
0
5
10
15
20
25
-8.0000 -6.0000 -4.0000 -2.0000 0.0000 2.0000 4.0000 6.0000 8.0000
kg
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Summary of bias errors and uncertainties
Term Magnitude Percentage values TOTAL UNCERTAINTIES %Temperature Measurement 15.000 B JT 0.002042 100.0000
BT 3.000E-01 2.00 U JT 0.002042 0.3388
Propeller diameter 0.228 B KT(M) 0.001327 99.3172
BD 1.000E-04 0.04 P KT(M) 0.000110 0.6828
U KT(M) 0.001332 0.6967
Fresh water density 1000.000
BD1-Temp Measurement -0.045 0.46 B KT(S) 0.001327 90.6519
BD2-Table look up 0.070 1.12 P KT(S) 0.000426 9.3481
BD3-ITTC 1978 0.655 98.42 U KT(S) 0.001394 0.7292
BD 6.605E-01 0.07
B KQ(M) 0.00021746 97.0916
Carriage speed 1.920 P KQ(M) 0.00003764 2.9084
Pulse count 1283.039 U KQ(M) 0.00022070 0.7179
Bn1-pulse count-encoder 1.000 17.98
Bn2-pulse count- DAC 1.500 40.45 B KQ(S) 0.00021746 68.9977
Bn3-pulse count -ADC 1.500 40.45 P KQ(S) 0.00014577 31.0023
Bn4-pulse count-curve fit 0.250 1.12 U KQ(S) 0.00026180 0.8515
Bn-pulse count 2.358 0.18
Wheel diameter 0.38100
BD-wheel diameter 0.00012 0.03
Dt 1.000E-01
BDt 1.025E-05 0.01
qUnBn 0.00353 97.08
qUDBD 0.00058 2.62qUDtBDt -0.00020 0.30
BU 0.00358 0.19
Propeller rate of revolutions 14.000
Pulse count 8.400E+02
Bc1 1.000E+00
Bc2 1.500E+00
Bc3 1.500E+00
Bc 2.345E+00
Dt 1.000E-01
BDt -0.001
qUcBc 0.039086798
qUDtBDt -1.435E-03Bn 3.911E-02
92%
8%
B KT(M)
P KT(M)
76%
24%
B KT(S)
P KT(S)
85%
15%
B KQ(M)
P KQ(M)
60%
40%B KQ(S)
P KQ(S)