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108 The 2nd International Seminar on Science and Technology August 2nd 2016, Postgraduate Program Institut Teknologi Sepuluh Nopember, Surabaya, Indonesia High Density Polyethylene (HDPE) Vessel of Pompong as a Fishing Vessel for Bengkalis Fisherman Siswandi B1 and Wasis Dwi Aryawan1 AbstractGenerally vessels of pompong are made from wood. In this era, wood for shipbuilding is difficult to obtain. So, it is necessary to find an alternative material as a substitute for wood. High density polyethylene (HDPE) can be used as of material for shipbuilding because it has advantages such as heat resistant, corrosion resistant and has a long durability. Size vessels with a length of (L) = 8.8 meters, breadth (B) = 1.56 meters, height (H) = 1.05 meters and draft (T) = 0.6 meters which makes the design shape of the vessel of pompong HDPE plastic. The vessel of the pompong plastic has a stability of GZ value of 0.381 meters on the heel of 60 degrees and has a resistance of 0.74 kilonewtons at a speed of 5 knots. KeywordsVessel of Pompong, High density polyethylene, Stability, Ship Resistance. I. INTRODUCTION1 Bengkalis is one of the districts in Riau Province, Indonesia. Most of the coastal Bengkalis communities depend their life at sea to catch fish and survive. The prior function of the vessel pompong for local fisherman is to catch fish. Pompong vessel is a small boat made from wooden material, however, nowadays wooden materials for shipbuilding pompong is difficult to obtain. Meaning that there needs to be a new discovery of materials that could be used for shipbuilding as an alternative substitution of wood material. Plastic high density polyethylene (HDPE) can be used as an alternative material for shipbuilding as HDPE has advantages such as resistance to heat, anti-corrosion, flexible and resistant to aging. A. Fishing vessel of pompong Pompong vessel is a term used for vessels with a small size by driving machine contained in the hull. The fishing vessel of pompong forms as shown in Figure 1. Vessel pompong is a coastal transportation which is used to meet basic needs and means of transportation between islands. The name of this small boat "Pompong" is a term used by the local people of Riau province. Figure. 1. Fishing vessel of pompon 1Siswandi B and Wasis Dwi Aryawan are with Department of Naval Architecture and Shipbuilding Engineering, Institut Teknologi Sepuluh Nopember, Surabaya, 60111, Indonesia. E-mail: siswandi.b86@gmail.com; wasis@na.its.ac.id. B. Plastic of HDPE (HighDensityPolyethylene) HDPE (high density polyethylene) is a material commonly used for household appliances such as milk bottles, tupperware, gallons of drinking water, folding chairs, and others. HDPE is a plastic material that is safe to use because of its ability to prevent chemical reactions between the plastic packaging made of HDPE with food or beverages that it is packed. Apart from that, HDPE has the properties of a stronger material, blurred and more resistant to high temperatures. High density polyethylene (HDPE) is a polyethylene thermoplastic made from petroleum. This requires 1.75 kg of petroleum (as energy and raw materials) to make 1 kg of HDPE. It can be recycled, and has the number 2 in the recycling symbol. HDPE base material shaped like grains as shown in Figure 2. HDPE has a tensile strength and a high intermolecular forces, it is also harder and can survive in high temperatures (120 0C). For a more in-depth understanding about the strengths of HDPE material, refer to T able 1. C. Ship of HDPE Currently, ships with HDPE material is already widely in production by foreign nations such as Turkey, which is one of the boat making nations that uses entirely HDPE material. Innovative products for building boats made entirely of plastic (HDPE) has been made over the last five years. One of the vessels made of HDPE plastic material can be seen as shown in Figure 3. Figure 2. Grains of plastic HDPE Figure 3. Ship of HDPEPDF Image | High Density Polyethylene (HDPE) Vessel of Pompong as a Fishing Vessel
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