Page 555 - Practical Design Ships and Floating Structures
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SPEED TRIAL RESULTS
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RUN NUMBER : 1 2 3 4 5 6 7 8 9 10
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LOAD CONDITION : 0.25 0.25 0.50 0.50 0.75 0.75 0.90 0.90 1.00 1.00
WIND DIRECTION (DEC) : S 10.0 P145.0 S 10.0 P135.0 P 5.0 P150.0 P135.0 P 5.0 P145.0 s 10.0
WIND VELOCITY (M/S): 13.500 4.000 15.000 2.800 16.000 0.700 0.400 16.500 0,000 16.500
RUNNING DIRECTION : 20. 200. 20. 200. 20. 200. 200. 20. 200. 20.
SHIP SPEED (KNOT) : 8.570 10.810 11.760 13.960 14.030 15.710 16.360 15.110 16.400 15.400
PROPELLER REV. (RPM): 43.90 43.80 55.60 55.60 62.80 62.80 65.60 65.70 67.00 66.80
SHAFT POWER (PS): 7767. 7525. 15435. 15150. 22032. 22018. 24928. 25160. 26868. 26452.
CURRENT SPEED (KNOT) : -1.010 1,010 -0.990 0.990 -0.840 0.830 0.600 -0.600 0.530 -0.530
WAVE PERIOD (SEC): 3.90 3.90 3.90 3.90 3.90 3.90 2.80 2.80 2.80 2.80
WAVE HEIGHT (M): 1.00 1.00 1.00 1.00 1:OO 1.00 0.50 0.50 0.50 0.50
WAVE INCD.ANG. (DEG): 170.0 350.0 170.0 350.0 170.0 350.0 350.0 170.0 350.0 170.0
SWELL PERIOD (SEC): 10.59 10.59 10.59 10.59 11.32 11.32 11.32 11.32 11.32 11.32
SWELL HEIGHT (M): 2.00 2.00 2.00 2.00 2.50 2.50 2.50 2.50 3.00 3.00
SWELL 1NCD.m. (DEG): 40.0 220.0 40.0 220.0 40.0 220.0 220.0 40.0 220.0 40.0
RUDDERANGLE (DEG): 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0
DRIFTANGLE (DEG): 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2
CORRECTION METHOD OF ADDED RESISTANCE :
* SEA WAVE AND SWELL 2 : SEA WAVE AND SWELL
* EFFECT OF SHIP MOTION 1 : MARUO METHOD
* EFFECT OF WAVE DIFFRACT. 1 : FALTINSEN METHOD
* EFFECT OF STEERING 1 : SR208 METHOD
* EFFECT OF DRIFTING 1 : SR208 METHOD
* EFFECT OF HULL ROUGHNESS 1 : ITTC METHOD
* EFFECT OF PROP.ROUGHNESS 1 : ITTC METHOD
* EFFECT OF SHALLOW WATER 1 : LACKENBY METHOD
* EFFECT OF DISPLACEMENT 1 : FACTOR 0.65 METHOD
* EFFECT OF TEMP.& DENSITY 1 : ITTC METHOD
* EFFECT OF CURRENT 1 : INPUT SPEED
* WIND RESISTANCE COEFF. BO7 : TANKER, LOADED FROM BLENDERMANN CHART
STEP I : EVALUATION OF ACQUIRED DATA
SHIP SPEED (KNOT) : 8.570 10.810 11.760 13.960 14.030 15.710 16.360 15.110 16.400 15.400
DELIVERED POWER (PSI : 7541. 7306. 14986. 14709. 21391. 21377. 24203. 24428. 26086. 25682.
PROPELLER REV. (RPM): 43.90 43.80 55.60 55.60 62.80 62.80 65.60 65.70 67.00 66.80
TORQUE COEFFICIENT : 0.2844 0.2775 0.2782 0.2731 0.2756 0.2754 0.2736 0.2749 0.2768 0.2749
PROP. ADVANCE RATIO : 0.6121 0.6271 0.6255 0.6365 0.6311 0.6315 0.6354 0.6327 0.6286 0.6325
WAKE FRACTION : 0.0349 0.2178 0.0897 0.2197 0.1305 0.2230 0.2158 0.1533 0.2095 0.1555
THRUST DEDUCTION : 0.1300 0.1300 0.1300 0.1300 0.1300 0.1300 0.1300 0.1300 0.1300 0.1300
LOAD FACTOR : 0.4948 0.4548 0.4590 0.4315 0.4447 0.4438 0.4341 0.4408 0.4510 0.4412
SHIP RESISTANCE (KN) : 720.2 691.7 1119.0 1089.1 1408.1 1406.8 1520.1 1535.2 1612.6 1587.6
STEP 11 : CORRECTION FOR VARIOUS RESISTANCE INCREASE
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MOTION, SEA WAVE (KN) : 0.0 0. 0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
M0TION.SWELL (KN): 0.9 92.8 7.3 101.6 17.9 123.9 119.3 17.6 171.4 24.2
