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All Journal Majalah Ilmiah Gema Maritim Marine Science and Technology Journal Jurnal Ilmiah Kemaritiman Nusantara
Pramono, Sri
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Decision Sciences, Operations Research & Management Education Engineering Mechanical Engineering Social Sciences Transportation

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Journal : Marine Science and Technology Journal

 1 
Altruism Atas Kapal KM Selayang Pandang Suryani, Dedeh; Hendrawan, Andi; Pramono, Sri
Marine Science and Technology Journal Vol 5 No 1 (2024): Marine Science and Technology Journal
Publisher : Universitas Ivet

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31331/maristec.v1i1.3034

Abstract

Most research on altruism has not attempted to prove the existence of altruism. However, the problems associated with identifying altruism have not escaped the attention of researchers. An examination of the contribution of altruism studies to the understanding of social behavior, personality. The research method used was observation using 35 samples of crew members from the KM ship at a glance. The results of the research show that the majority of Selayang Pandang Ship Crews behave in altruism, which will improve performance
Analisa Perhitungan Diameter Pipa Kapal Berdaya Mesin 4000 BHP Pramono, Sri; Affiyanto, Deny
Marine Science and Technology Journal Vol 5 No 2 (2024): Marine Science and Technology Journal
Publisher : Universitas Ivet

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31331/maristec.v1i2.3233

Abstract

The pipeline system has an important role in the general service on board. Because without a pipeline system the pump as a means to move fluid from one place to another cannot flow or move the fluid. Pipeline systems in general include fuel pipes, lubricating oil pipes, fresh water pipes, sanitary water pipes, ballast water pipes, bilga pipes, fire pipes. Pipe installation systems include pipes, flanges, valves, separator attachments. The installation system is expected to produce an efficient pipe installation network both in terms of laying and safety in accordance with the classification regulations and from the installation guide specifications of the machining support system. In determining the diameter of fuel pipes, lubricating oil pipes, drinking water pipes, sanitary water pipes, ballast water pipes, bilga pipes, fire extinguisher pipes based on: type of fluid flowing in the pipe, volume of fluid to be moved, speed of fluid flow will be moved, also pay attention to the pressure due to friction.
Analisa Perhitungan Tebal Pipa Kapal Tanker Berdaya Mesin 1500 BPH Pramono, Sri; Wibowo, Riyanto
Marine Science and Technology Journal Vol 6 No 1 (2025): Marine Science and Technology Journal
Publisher : Universitas Ivet

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31331/maristec.v2i1.3678

Abstract

Galangan kapal baja di tahun 2016 mengalami peningkatan produksi kapal yang sangat signifikan. Hal ini untuk mendukung program Tol Laut pemerintah yang ingin mempermudah pendistribusian logistik antar pulau. Dengan demikian maka produktifitas galangan kapal perlu ditingkatkan agar dapat menyelesaikan pembangunan kapal baru tepat waktu. Dalam pembangunan kapal bangunan baru terdapat 6 (enam) pokok kegiatan yaitu design, fabrication, assembly, erection, outfitting, and launching. Outfitting merupakan proses pemasangan komponen kapal, meliputi hull outfitting, piping and electrical installation, accomodation, machinery outfitting, dan sistem propulsi. Dimulainya fabrikasi sistem perpipaan setelah tahap penyambungan antar block/erection selesai. Setiap pembangunan kapal harus memiliki sistem perpipaan, di karenakan pipa merupakan jantung dari kapal. Sistem perpipaan adalah bagian utama suatu sistem yang menghubungkan titik dimana fluida disimpan ke titik pengeluaran semua pipa baik untuk memindahkan tenaga atau pemompaan harus dipertimbangkan secara teliti. Karena keamanan dari sebuah kapal salah satunya tergantung pada susunan perpipaan. Untuk mengetahui bahwasanya pipa itu berfungsi dengan baik terlebih dahulu kita harus melakukan pengujian pipa sebelum kapal beroperasi. Pengujian itu terdiri dari pengujian hydrotest pressure yang di lakukan setelah instalasi pipa terpasang dengan benar. Pengujian ini dilakukan sebelum kapal diluncurkan ke dalam air. Sedangkan pengujian function test yang di lakukan saat kapal sudah berada di air. Pengujian ini dilakukan agar kita tahu apakah pipa itu berfungsi dengan baik, serta untuk mengetahui terdapat kebocoran pipa maupun pada instalasi.
Analisa Penentuan Tipe Dan Ukuran Impeller Pompa Sentrifugal Single Stage Berdaya 15 KW 30 A Pramono, Sri; Wibowo, Riyanto; Prayoga, Danu
Marine Science and Technology Journal Vol 6 No 2 (2025): Marine Science and Technology Journal
Publisher : Universitas Ivet

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31331/maristec.v2i2.4051

Abstract

Pompa sentrifugal merupakan salah satu jenis pompa yang paling umum digunakan dalam berbagai sektor industri maupun transportasi laut untuk memindahkan fluida. Kinerja pompa sangat dipengaruhi oleh desain dan spesifikasi impeller, yang berfungsi sebagai komponen utama dalam proses perpindahan energi dari motor ke fluida. Penelitian ini bertujuan untuk menganalisis dan menentukan tipe serta ukuran impeller yang optimal untuk pompa sentrifugal single stage dengan daya motor 15 kW dan arus 30 A. Metode yang digunakan meliputi perhitungan teoritis berdasarkan rumus-rumus fluida dinamis, analisis karakteristik pompa, dan pertimbangan efisiensi hidrolik. Hasil analisis menunjukkan bahwa pemilihan tipe impeller (closed, semi-open, atau open) sangat bergantung pada sifat fluida yang dipompa serta kebutuhan head dan flow rate. Ukuran impeller yang optimal ditemukan mampu memberikan efisiensi maksimum dengan mempertimbangkan batas daya input motor serta karakteristik sistem pemipaan. Dengan penentuan tipe dan ukuran impeller yang tepat, diharapkan kinerja sistem pompa menjadi lebih efisien dan andal dalam jangka panjang.
Pengaruh Tingkat Pengetahuan Keselamatan Pelayaran terhadap Pemenuhan Fasilitas K3 (Kesehatan dan Keselamatan Kerja) di Atas Kapal Suryani, Dedeh; Indriyani, Indriyani; Hendrawan, Andi; Pramono, Sri
Marine Science and Technology Journal Vol 4 No 2 (2023): Marine Science and Technology Journal
Publisher : Universitas Ivet

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31331/maristec.v4i1.2798

Abstract

Shipping safety is a must, it is an obligation for everyone to carry it out. And the fulfillment of safety facilities is a must that must be carried out or fulfilled by shipping companies. Shipping safety is inseparable from the people on board, namely the Ship's Crew (ABK), namely people who become the crew of the ship and the Nakoda as its leader. This study aims to prove the relationship between the level of knowledge and the fulfillment of shipping safety facilities. . The study used 5 ships and 61 samples and analyzed using kai squared . The results of the study show that there is a significant relationship between the level of knowledge and the fulfillment of shipping safety facilities.
Pengaruh Berbagi Pengetahuan (Knowledge Sharing) dalam Peningkatan Perilaku Keselamatan Pelayaran Hendrawan, Andi; Sasongko, Aris; Pramono, Sri
Marine Science and Technology Journal Vol 3 No 2 (2022): Marine Science and Technology Journal
Publisher : Universitas Ivet

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31331/maristec.v2i2.2036

Abstract

Unsafe conditions can cause chronic work stress that will interfere with the performance of Kabal's subordinates (ABK). Guaranteed occupational safety and health will certainly improve performance which in turn will increase work productivity. The purpose of this research is to prove whether there is an effect of knowledge sharing on shipping safety. The research method was carried out using the analytical survey method. The results show that there is an effect of sharing knowledge on shipping safety with a value of P = 0.00.
Pemanfaatan Besi Scrap Sebagai Bahan Dasar Industri Peleburan Baja Suyanto, Suyanto; Wibowo, Riyanto; Pramono, Sri
Marine Science and Technology Journal Vol 2 No 2 (2021): Marine Science and Technology Journal
Publisher : Universitas Ivet

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31331/maristec.v1i2.1557

Abstract

Many steel industries use scrap material as their basic material, both in the machine industry and the metal industry. The reason for using scrap is because this material is easy to obtain, has a high comparative value, has a chemical composition that is still very possible for further processing, and can reduce problems related to metal waste. Scrap material has a non-uniform type and chemical composition. The mistake in determining the type and composition of the basic ingredients will risk producing products whose specifications are not as expected. For that, before scrap is processed, it must first be grouped according to its type, then it is necessary to know in advance the chemical composition of each type of scrap ferrous material. Calculation of material composition before smelting must be precise, referring to the chemical composition standard that becomes the reference. The production of scrap iron into concrete reinforcing steel at PT Abadi Jaya Manunggal shows that scrap iron can be recycled and processed to produce reinforcing steel for concrete by taking into account the correct scrap composition. The chemical composition test results of scrap iron smelting show a composition identical to that of grade 250 steel. The result of the calculation of carbon equivalent is 0.317%, lower than the required maximum limit of 0.6%.
Co-Authors Affiyanto, Deny Aji Kusumastuti Hendrawan Ath Thoriq, Syifa Chandra Yogatama Hendrawan, Andi Indriyani Indriyani Prayoga, Danu Sasongko, Aris Suryani, Dedeh Suyanto Suyanto Wibowo, Riyanto