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All Journal INOVTEK POLBENG Jurnal Techno Bahari
Siswanti, Heni
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Computer Science & IT Electrical & Electronics Engineering Energy Mechanical Engineering Transportation

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Preliminary design water ambulance untuk pemindahan pasien covid 19 di wilayah kepulauan Indonesia (studi kasus di kepulauan Madura) Irmiyana, Triyanti; Siswanti, Heni; Musta'in, Muhammad
Techno Bahari Vol 9 No 1 (2022)
Publisher : Politeknik Negeri Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52234/tb.v9i1.121

Abstract

Based on data from the Sumenep Health Office, the number of positive confirmed cases of Covid on Talango Island was 9 people and 1 person died. One of the reasons is that there are no corona treatment facilities on the island, so they have to be referred to the Sumenep Regency hospital by boat. In this study, the design of a speed boat ambulance specifically for Covid-19 patients with a catamaran hull type. The purpose of the speed boat ambulance design is to handle island patients, especially Covid-19 cases during sea journeys to Sumenep Hospital with adequate facilities. The research method is carried out by determining the main size of the ship using the sister ships method, then proceeding with drawing lines plan, calculating ship resistance along with determining engine power, and general arrangement. The results obtained are in the form of the main size of the ship in the form of a Catamaran ship type; LOA : 13.0 m; B : 7.0 m; H : 2.0 m; T : 1.2 m; Vs : 16 knot. Has 3 accommodation rooms, including a patient room for 2 people; Medical staff room with 1 doctor, 2 medical staff and 2 patient's families; The wheelhouse with 2 crew members.
Estimasi Penurunan Berat Kapal dengan Aplikasi Struktur Sandwich pada Double Hull Tanker 5704 DWT Siswanti, Heni; Nurzanuba, Siti Ahdiatun; Musta'in, M.
INOVTEK POLBENG Vol 13, No 2 (2023): VOL 13 NO 2
Publisher : POLITEKNIK NEGERI BENGKALIS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35314/ip.v13i2.3632

Abstract

Double hulls on tankers are a must to protect the environment from the oil spill effects of ship leakage. However, a double hull structure produces a heavy structure, reducing the payload. For decades, designers have tried reducing the structure's weight by applying lightweight material such as polyurethane-steel sandwich. Strong steel faceplates with a low-density polyurethane core promise significant weight reduction. Nevertheless, structural strength remains a major consideration in the design of sandwich structures. This study evaluates the structural weight reduction of replacing a conventional stiffened plate structure with a sandwich structure on a double hull tanker 5704 DWT. It also analyzes the structural strength using the finite element method. The results show that applying a sandwich structure on a double-hull tanker significantly reduced the structure's weight without decreasing structural strength. It is proven that the application of sandwich structure potentially increases ship payload.
Co-Authors Irmiyana, Triyanti Musta'in, M. Musta'in, Muhammad Nurzanuba, Siti Ahdiatun