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2000 m² with a speed of 40 ta velocity corresponding t N. Determine the following the model. 0- A F₁C, PAV², C= R

2000 m² with a speed of 40 ta velocity corresponding t N. Determine the following the model. 0- A F₁C, PAV², C= R

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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It is proposed to design a ship. The proposed ship (prototype) is has a length of 150 m and wetted surface area of 2000 m² with a speed of 40 km/hr. A model of 1:20 is to be tested in the laboratory at a velocity corresponding to the wave resistance. The total drag on the model is 50 N. Determine the following (1) Wave resistance drag of the model. 0.074 Given friction drag, F, C, PAV², C.- = for R <2 x 10¹, Re%2 C₂= = 0.01 Re-2 for Re> 2 × 10¹ Pmode = 1000 kg/m³, Pr = 1020 kg/m³, prototype V, 1.125 x 10 m²/sec, v = 1.11 x 10 m²/sec. m
Transcribed Image Text:It is proposed to design a ship. The proposed ship (prototype) is has a length of 150 m and wetted surface area of 2000 m² with a speed of 40 km/hr. A model of 1:20 is to be tested in the laboratory at a velocity corresponding to the wave resistance. The total drag on the model is 50 N. Determine the following (1) Wave resistance drag of the model. 0.074 Given friction drag, F, C, PAV², C.- = for R <2 x 10¹, Re%2 C₂= = 0.01 Re-2 for Re> 2 × 10¹ Pmode = 1000 kg/m³, Pr = 1020 kg/m³, prototype V, 1.125 x 10 m²/sec, v = 1.11 x 10 m²/sec. m
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