Question

3. A single screw university research ship is equipped with 3 propeller. The average wake coefficient is and DTMB534 the thrust deduction coefficient 1 = 0.03. The service speed of the ship is 12 knots and the revolutions m and the pitch is P = 4.0 m. Find the the propeller, the effective efficiency. (Hint You can check your results for quasi- propulsive efficiency assuming relative rotative efficency 0.9 propeller rotates at 105 propeller diameter is D- 4.03 power delivered to quasi-propulsive per minute. The power and 1 radian 180/p 57.3 degrees, 1 ton 9807 N, r 1025 kg/m',n-1.10 10 m'/s for seawater 1 knot-0.5144 m/s o KT o-efficiency 2 75 1酪 0.8 PROPELLER ADVAS0.7 COEFFICIENT AIRED OPEN WATER COEFVICIENTS FOR PROPELLER 5343 , FR、40 NTIAL PRonulR DSİGN (X24.87-) [email protected]·0.9īs1 BLADES EXP

Answer 1

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Friday (131-234) Wk 19 그la.TY S. 51.9 N 243 861 klAl 594 91S kW 2 PD 343-86) 0.51.