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High Density Polyethylene (HDPE) Vessel of Pompong as a Fishing Vessel

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High Density Polyethylene (HDPE) Vessel of Pompong as a Fishing Vessel ( high-density-polyethylene-hdpe-vessel-pompong-as-fishing-ves )

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C. 𝑃 (17)𝑃 𝑃 The value m2can be calculated by following equation: 110 The 2nd International Seminar on Science and Technology August 2nd 2016, Postgraduate Program Institut Teknologi Sepuluh Nopember, Surabaya, Indonesia Value of CWL can be calculated by the following equation: CWL =0.9670599Γ—Cb (2) 𝑆 = 𝐿(2𝑇 + 𝐡)βˆšπΆπ‘š(0.4530 + 0.4425𝐢𝑏 + βˆ’0.2862πΆπ‘š βˆ’ 0.003467 𝐡𝑇 + 0.3696πΆπ‘Šπ‘ƒ ) (10) 1 GZ= (GM+ BM tan ΞΈ) sin ΞΈ 0.155087 Γ— (𝐿𝐢𝐡) (16) The value m1can be calculated by following equation: For angles above 15 degrees βˆ‡ ρ -0.1 m 2 = - 1 . 6 9 3 8 5 Γ— C 2P Γ— e F 2n ( 1 8 ) The value of Ξ» can be calculated by following equation: 2 2 π‘š =⁑0.0140407×𝐿 βˆ’1.75254×𝛻3 βˆ’4.79323𝐡 βˆ’ 0.52085 Calculating the value of BM using the following equation: 𝐡𝑀 = 𝐼 βˆ‡ Where: 3 π‘ŠπΏ 1.41753 I =0.075645Γ—LΓ—B ×𝐢 (3) The Value of Froude number (Fr) can be calculated by the following equation: Calculating the value of KM using the following equation: KM=KB + BM (5) by following equation: Rn= VsΓ—L (12) Calculating value of coefficient friction (Cf) can be using equation: Cf= 0.075 (13) Log R Calculates the value of KG can use the equation following approach: 𝐾𝐺 = βˆ’0.00642 Γ— 𝐿 + 0.2669 Γ— 𝐡 + 0.3509 Γ— 𝐷 + 0.272 Γ— 𝐿 βˆ’ 0.45126 Γ— 𝐢𝑏 βˆ’ 0.3337 Γ— 𝐿 + 𝛻1/3 {𝐿×𝐡×𝐷}1,3 10 n 0.5411 Γ— 𝐡 βˆ’ 0.8347 Γ— 𝐷 (6) 𝐷𝑇 The calculation of the value of residual resistance can uβˆ†singtheequationfollowingapproach: 𝑅𝑅 = 𝐢 Γ— π‘’π‘š1𝐹𝑛𝑑+π‘š2π‘π‘œπ‘ β‘(πœ†πΉπ‘›βˆ’2) (14) Evaluation of vessel stability HDPE plastic pompong performed by using software Hydromax. Ship resistance Ship resistance is the amount of resistance force that is received by the ship's hull at a certain speed. The resistance of fishing vessel according to the method of "Holtrop and Mennen (1982)" can be calculated using the following equation approach: 𝑇𝐿𝐿 23 Symbol description: = Volume displacement (m ) = Density of sea water (ton/m3) = Wetted surface area (m2) = speed (knot) = Froude number = Reynold number = Coefficient friction = block coefficient = Midship coefficient = coefficient water plan = 0.18 + 0.86 Cp = correlation factor = 0.0006 = Displacement (ton) = Residual resistance (kN) = Viscosity kinematic sea water = 1.18831x10-6 m2/sec S Vs Fn Rn Cf Cb Cm CWP CR A (19) (20) (21) Evaluation of resistance to fishing vessel of pompong HDPE plastic performed by using hullspeed software. Ξ”βˆ†R Ξ½ A. III. RESULTS AND DISCUSSION Design of lines plan pompong HDPE plastic 3 Ξ» =1.446Γ—CP -0.03Γ— BL (8) 𝑖 =125.67 βˆ’1632.25×𝐢2+234.132×𝐢3+ 𝐸⁑ 𝑃 𝑃 (4) Calculating the wet surface area of the vessel (S) using the following equation approach: √g.L The value of Reynold number (Rn) can be calculated Vs Fn= (11) Where: v Then to calculate the value of GM by using the equation of the following: The value of C can be calculated by following GM=KM-KG So that the value of GZ is: For small angles up to 15 degrees GZ = GMsinΞΈ (7) (9) equation: C=2223105 (𝐡𝐿 ) Γ— ( ) Γ—(90-i ) (15) B 3.78613 T 1.07961 -1.37565 LBE 1 8.07981 Γ— 𝐢 + 13.8673 Γ— 𝐢 βˆ’ 6.984388 Γ— 𝐢 and d = -0.9 So that the total resistance vessels T1 2FARR R = ×ρ×SΓ—V Γ—(C +C )+ Γ—βˆ† 2βˆ† The size of pompong HDPE plastic for Bengkalis which will be designed is as shown in Table 2.

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