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Suranto, Purwo Joko
Fakultas Teknik UPN "Veteran" Jakarta
Electrical & Electronics Engineering Engineering

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STUDI HALUAN KAPAL SELAM BENTUK KAPSUL UNTUK MEMINIMALISIR HAMBATAN GESEK TERHADAP AIR LAUT Suranto, Purwo Joko; Sulistyawati, Wiwin
Bina Teknika Vol 12, No 1 (2016): Bina Teknika
Publisher : Fakultas Teknik UPN "Veteran" Jakarta

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Abstract

Submarine has been widely used both for military and for underwater research, various models of hull forms including capsule-shaped submarine. From the capsule form is to be modified in order to get bow shape forms the barrier fluid is small, so the use of power the main engine will be smaller and can save fuel. The shape and size of the bow of the submarine models to be analyzed consists of three (3) the shape and size of the different models. Model first (1) shaped like a capsule, the second model (2) measure the same length as the capsule form is only the tip of the bow made a sharp resembles a bullet, the third model (3) the same shape as the second model just the tip of the bow that resembles the size of a bullet extended. Fluid analysis using ANSYS CFD software version 15.0. where modeling and manufacturing of using ICEM CFD meshing, defining domain for the fluid and the boundary layer to limit the fluid domain using CFX-Pre, iteration calculation using CFX Solver Manager while to display the results of calculations using CFD-post. Meshing is used to achieve independent meshing, so if meshing plus will not affect the results obtained. Results Barriers fluid to the model of unity of 294 581 Newton, for the second model of 275 961 Newton while the third model obtained at 271 939 Newton.
PERAHU NELAYAN MENGGUNAKAN JERIGEN PLASTIK BEKAS UNTUK MENINGKATKAN KESEJAHTERAAN NELAYAN Suranto, Purwo Joko; Sudjasta, Bambang
Bina Teknika Vol 14, No 2 (2018): Bina Teknika
Publisher : Fakultas Teknik UPN "Veteran" Jakarta

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Abstract

Perahu nelayan adalah suatu sarana yang dapat mengapung di air yang digunakan oleh para nelayan untuk mencari dan menangkap ikan di sungai maupun di laut. Perahu nelayan merupakan sarana yang paling penting bagi para nelayan untuk digunakan mencari dan menangkap ikan, tanpa adanya perahu maka nelayan tidak bisa mencari nafkah untuk keluarganya. Di Indonesia cukup banyak sekali masyarakat perkampungan nelayan, dikarenakan Indonesia merupakan negara kepulauan dimana setiap pulau dikelilingi oleh lautan. Mereka tersebar dan hidup bermukim di daerah-daerah pinggiran pantai atau pesisir pantai di seluruh wilayah kepulauan Indonesia. Mahalnya harga perahu nelayan, sehingga banyak nelayan yang tidak mempunyai perahu sendiri. Kebanyakan mereka bekerja pada juragan-juragan kapal sebagai buruh nelayan, dengan demikian penghasilan mereka tidak mencukupi untuk memenuhi kebutuhan keluarga. Dilain pihak banyak sekali jerigen-jerigen plastik bekas tempat minyak yang tidak dimanfaatkan sehingga bisa menjadi limbah, jerigen-jerigen plastik inilah yang akan dimanfaatkan untuk pembuatan perahu nelayan. Tentunya didesain dan dihitung kekuatan serta stabilitas dari perahu tersebut, sehingga terjamin keselamatan nelayan dalam mencari ikan di laut. Ukuran pokok Perahu yaitu Panjang Perahu Keseluruhan (Loa) = 3,80 m, Panjang Perahu antara Garis Tegak (Lpp) = 3,40 m, Sarat Perahu (T) = 0,400 m, Lebar Kapal (B) = 0,858 m, Kecepatan dirancang = 6 knot. Sesuai dengan besarnya kecepatan perahu 6 knot maka didapat Hambatan Perahu adalah 840,83 Newton (N) serta Besarnya Effektif Horse Power (EHP) perahu tersebut adalah 3,48 Horse Power (HP). Berdasarkan EHP yang didapat maka dapat dicari besarnya Break Horse Power (BHP) perahu tersebut, setelah melalui perhitungan berdasar dari EHP tadi maka didapatkan besarnya BHP mesin adalah  6,931 HP kemudian dicari mesin yang ada dipasaran didapat BHP mesin 7 HP. Besarnya muatan perahu dihitung sesuai displasemen perahu dimana Displasemen = DWT + LWT dimana unsur muatan terdapat pada DWT sehingga setalah melalui perhitungan maka didapat hasil muatan yang bisa diangkut oleh perahu tersebut sebesar 655,5 kg. Stabilitas perahu pada kondisi muatan kosong (Empty Load) sebagaimana maupun pada kondisi muatan penuh (Full Load) menunjukan bahwa stabilitas perahu nelayan tersebut sangat baik artinya apabila perahu oleng atau miring akibat ombak, angin atau muatan maka perahu tersebut dapat kembali keposisi tegak sehingga perahu tidak tenggelam, maka aman digunakan oleh nelayan.
ANALISIS KEBUTUHAN PEMASANGAN ZINK ANODE UNTUK MENCEGAH KOROSI PADA LAMBUNG KAPAL KAPAL GENERAL CARGO Sudjasta, Bambang; Suranto, Purwo Joko; Setiani, Hernia
Bina Teknika Vol 14, No 2 (2018): Bina Teknika
Publisher : Fakultas Teknik UPN "Veteran" Jakarta

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Abstract

Needs installation of cathodic protection to prevent corrosion of the ship in the sea water medium is a must so that the ships can be used as long as possible, but the effectiveness is very limited lifespan sacrificial anode that time should be right on time. For the replacement timing becomes important to do, hull plate is first exposed areas of sea water. In this area of the hull bottom water or top area of water exposed to corrosion range. Corrosion of hull plates can lead to decline in strength and service life of ships, reducing the ship's speed and reduce safety and security of cargo and passengers. From the calculation of the aluminum anode needs indicated that there is a difference between the life of the anode replacement is supposed to 5.25 years. The number of victims aluminum anode required to ship the object of the research is based on the calculation is 12 pieces (± 44.2 kg), lower than the number of anode installed in the field about 24 pieces (108 Kg). So the amount of victims aluminum anode mounted on General Cargo Ship in the field is redundant with past-year use of 5.25 while the turn is done for 3 years. For the owners of the ship, you should use zinc or magnesium anode victim since both of these materials have an efficiency of 95 % compared to aluminum, is only 50 %.
STUDI HAMBATAN DAN KECEPATAN KAPAL TIPE LAMBUNG SERIES 60 DITINJAU DARI TIGA BENTUK HALUAN KAPAL Suranto, Purwo Joko
Bina Teknika Vol 12, No 2 (2016): Bina Teknika
Publisher : Fakultas Teknik UPN "Veteran" Jakarta

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Abstract

Research that has been done resulting hull of Series 60 is one model of ship hulls. Series 60 hull is used for the a merchant ship to block coefficient range from 0.65 - 080. Research Series 60 hull has great success, the American Towing Tank Conference (ATTC) and the International Towing Tank Conference (ITTC) agreed to fund further research for the Series 60 hull. The results of further research, published by the Society of Naval Architects and Marine enginners (SNAME). hull form series 60 is still widely used for type of commercial ships due to have a midship U is almost square so that traffic carried quite a lot of it is important for commercial ships, in addition to stability is also good. The bow of a ship is part of the greatest pressure and voltages, as the brunt of the water and the ship blows waves. Modeled and analyzed Series 60 Hull with a sloping shape of the bow, the bulbows and X-Bow with the main dimension of the vessel : Lpp = 30.97m, B = 4.34m, T = 1.7m. To further analyze the effect of the three forms of the bow ship for resistance and speed. Analyzed to three forms of the hull at speeds of 0 to 8.25 knots have resistance almost flat at around 7000 Newton, meaning the ship relatively similar obstacles. At speeds above the 8.25 knots have resistance vessel with a hull tilted began to increase with increasing vessel speed has become increasingly apparent obstacles ships is increasing drastic, especially at a speed of 30 knots have resistance of ship 257733 Newton when compared with resistance vessel for bulbows form who is resistance 230059 Newton or X-bow have resistance 228943 Newton.
ANALISIS PENGUKURAN ULANG TONAGE KAPAL PENANGKAP IKAN DENGAN PANJANG KURANG DARI 24 METER Sudjasta, Bambang; Suranto, Purwo Joko; Putra, Chinatha Erwin Sandika
Bina Teknika Vol 14, No 1 (2018): Bina Teknika
Publisher : Fakultas Teknik UPN "Veteran" Jakarta

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Abstract

This research was conducted to know the change of Gross Tonnage (GT) size of fishing vessels before and after re-measurements by measuring experts appointed according to the Ministerial Regulation of the Ministry of Transportation Year 2013 on Ship Measurement, as well as calculating the expected revision of Non-Tax State Revenue (PNBP). Data processing using SPSS program, one of which is paired sample T-test is a test that can compare data before and after data. Tests paired sample T-test has a requirement, that the data must be normally distributed, then the kolmogorov smirnov normality test to determine the normal distribution data or not. The result of kolmogorov sminov test concluded normal distributed data and can be tested paired sample T-test. From result of paired sample T-test is known comparison of data have real difference. Then the analysis of this research was done and resulted some conclusion that difference of GT increase equal to 73% before before measurement, PNBP assumed can accept new income equal to Rp. 3,458,304,- for port services, and navigation services Rp. 11.376.000,- if calculated one week ship only operate one time and for one year.
DESAIN BIS AIR RAMAH LINGKUNGAN SEBAGAI SARANA TRANSPORTASI ALTERNATIF DI PROVINSI DKI JAKARTA Sudjasta, Bambang; Suranto, Purwo Joko
Bina Teknika Vol 13, No 2 (2017): Bina Teknika
Publisher : Fakultas Teknik UPN "Veteran" Jakarta

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Abstract

Flood Canal was built to reduce the impact of flood during the rainy season that is river catching / times that passes in The Special Areas of The Capital of Jakarta and can accommodate the flood from Depok and Bogor. The city government is also building a mass transportation mode in Jakarta that integrates railway lines, light rail transit, roads, busway and subway networks targeted for completion in 2017 and will be integrated with the outer ring train, but if the floods are partially paralyzed. For this reason, it is necessary to empower the Flood Canal function as an alternative transportation infrastructure that is environmentally friendly water bus with a capacity of 30 passengers that can operate even in flood condition. A number of preliminary studies of water buses of earlier models and concepts have been conducted to obtain a suitable and feasible prototype to operate in the flow of West and East Canal Floods. To obtain a good water bus size calculation based on comparison ratio, general arrangement design, hull form design with CAD, hydrostatic calculation, engine power estimate and determination of required energy, stability calculation. The goal is as an environmentally friendly alternative transportation mode, with the advantage of being able to operate even in flood situations. It is expected to change the customs of the community for the canal to be the front of the house instead of the back of the house.
PERANCANGAN PERAHU BERBAHAN FIBER GLASS BERLAPIS KARET UNTUK EVAKUASI BENCANA BANJIR Suranto, Purwo Joko; Nur, Iswadi
Bina Teknika Vol 13, No 1 (2017): Bina Teknika
Publisher : Fakultas Teknik UPN "Veteran" Jakarta

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Abstract

Most of territory in DKI Jakarta that affected by floods. The floods subscription areas are flooded with varying depths, range from 0.5 meters to 3 meters. The habits of the people affected by the flood are reluctant to evacuate if the flood height is still below 0.5 meters, The flood victims want to evacuate after the flood has reached depth above 1 m. At the height of the flood above 1 m it will be difficult to evacuate to a safer place, because the water level is high and can dangerous for their livesThus the required means of transportation that can evacuate the flood victims quickly and safely. The design of the boat using rubber-coated Fiber Glass material for the evacuation of flood disaster, its size determination can be adjusted into the Narrow alley that are at least 2 meters wide.Boats are designed with speed 6 knots, hull construction with double hull construction. In the design calculate the strength, load, resistance, main engine and also the stability for passenger safety can be guaranteed. To ensure the safety of passengers in case of unwanted things, then the boat is equipped with life jackets.
PERANCANGAN RC (REMOTE CONTROL) BOAT PATROL 80 CM DENGAN PROPULSI WATERJET Sulistyawati, Wiwin; Suranto, Purwo Joko
Bina Teknika Vol 12, No 1 (2016): Bina Teknika
Publisher : Fakultas Teknik UPN "Veteran" Jakarta

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Abstract

The government is still struggling to secure all the waters of the archipelago in maintaining and overseeing the security of its territory. This is due to the many islands that need human resources (HR) and require a lot of high-tech ships. So it is necessary to design a robot ElectricRemote Control Waterjet Patrol 80 (ERC_WP 80) which could serve as patrol boats and destroyers. Waterjet propulsion drive system has a motion if the vessel was excellent at relatively high speed boats and has good acceleration capabilities. Boats with jet propulsion system can operate in very shallow waters. This is due to all parts of the engine located under the hull, including propeller, shaft and shaft house. Waterjet advantages compared with the steering system / rudder is conventional waterjet propulsion system is able to turn the steering wheel with a smaller angle. Maneuverability and good seakeeping of a ship is strongly influenced by the shape of the hull. Selection of the hull shape is designed to perform parametric studies hull of the vessel Fast Patrol Boats comparator (KPC) 14 1 228 m and the vessel JS Patrol. On the back of the boat is made with a slope angle (chine angle) of about 20 degrees in order to gain the necessary lifting force without reducing the stability of the ship. While at the front end of the ship made a slope angle of about 30 degrees with the intent facilitate ship moving at high speed and reduce the impact when the waves break. Unmanned patrol boats are designed using radio control GensAce 4S 3300mAh
Co-Authors Nur, Iswadi Putra, Chinatha Erwin Sandika Setiani, Hernia Sudjasta, Bambang Sulistyawati, Wiwin