Results 271 to 280 of about 9,791 (320)

TECHNICAL ANALYSIS OF ADDING HOLES TO THE SKEG OF A TUGBOAT AND ITS EFFECTS ON FLOW AND RESISTANCE USING THE COMPUTATIONAL FLUID DYNAMICS METHOD

Jurnal Teknologi dan Riset Terapan (JATRA)
Kapal tugboat berperan penting dalam mendukung keselamatan dan efisiensi operasional pelabuhan serta kegiatan lepas pantai. Salah satu komponen penting dalam desain tugboat adalah skeg, yang berfungsi meningkatkan stabilitas arah dan mengurangi efek ...
David Prayogo, Abdul rohman, Jangka Rulianto, Khairul Muzaka, I Gusti Ngurah Bagus Catrawedarma   +4 more
semanticscholar   +1 more source

A Novel Tugboat Companion Scheme for the USV: DAPF Guidance and Singularity-Free PPC

Chinese Control and Decision Conference
This manuscript proposes a novel guidance principle and control algorithm for the tugboat companion system. The proposed approach integrates an enhanced dynamic artificial potential ship (DAPF) principle with a singularity-free prescribed performance ...
Xiaoyong Shang, Wen-jun Zhang, Xiangkun Meng, Xue Yang, Xiangyu Zhou   +4 more
semanticscholar   +1 more source

An Improved Quantum Lion Swarm Optimization for Integrated Berth Allocation and Tugboat Scheduling in Maritime Ports

IEEE International Conference on Electro/Information Technology
In modern port operations, collaborative optimization of berth allocation and tugboat scheduling is a key challenge to improving operational efficiency.
Cheng Huang, Wei Yuan
semanticscholar   +1 more source

ANALISA BAHAYA KEGIATAN PENARIKAN TUGBOAT DI PT. PELINDO (PERSERO) REGIONAL IV CABANG BALIKPAPAN

IDENTIFIKASI
Penelitian ini bertujuan untuk mengidentifikasi dan menganalisis potensi bahaya pada kegiatan penarikan tugboat di PT. Pelindo (Persero) Regional IV Cabang Balikpapan.
Yehezkiel Manotas Toto Simamora, Impol Siboro, Muhamad Ramdan   +2 more
semanticscholar   +1 more source

Tugboats, Battleships and Electric‐Drive

Naval Engineers Journal, 1999
This article contains a small bit of Naval and engineering history. The USS Hoga (YTB 146) played a significant role during the Japanese attack on Pearl Harbor on December 7, 1941. The 100 foot Navy tugboat fought fires on the Battleship Arizona and helped push the Battleship Nevada aground to avoid sinking and blocking the harbor channel.
openaire   +1 more source

Ship Maneuvering Simulation to Determine Elements of Tugboat Handling: A Case Study of Paciran Port

Kapal
Paciran Port, serving as a multipurpose facility for both cargo transport and ferry services, plays a crucial role in the transportation network of East Java province.
Esqy Dhiya'ul Fuady, I. Asmara, I. Sutrisno   +2 more
semanticscholar   +1 more source

Optimizing tugboat fleet efficiency in port operations using discrete-event simulation modeling

Critical Issue of Sustainable Future
Background: In Indonesia, marine logistics is considered a priority sector because 40% of international trade passes through the country, with 90% of it utilizing sea transportation.
Obay Haqi Rifan Arief, R. Kusumastuti
semanticscholar   +1 more source

ALNS for Tugboat Scheduling in Inland Waterway

arXiv.org
This paper focuses on the barges shipping problem, also known as the tugboats scheduling problem, within the context of a scenario where a single tugboat has the capacity to tow multiple barges and conduct multiple trips in a drop-and-pull mode during a ...
Zihan Ma
semanticscholar   +1 more source

Standard Operating Procedures for Tugboat Clearance and Service Enhancement at Jepara Port

Jurnal Publikasi Sistem Informasi dan Manajemen Bisnis
Background: Clearance in and clearance out procedures are critical components of port operations that directly affect service quality, vessel turnaround time, and port sustainability.
Rikman Sohriadhana¹, Ali Sulistyo Budi, Anton Novianto, Paiman, Program Studi, Manajemen, Fakultas Ekonomi, Sekolah Bisnis, Tinggi Manajemen Transportasi, North Malahayati, Indonesia Jakarta   +10 more
semanticscholar   +1 more source

Analisa Kekuatan Konstruksi Pad Eye Towing Hook Kapal Tugboat 27 Meter Dengan Metode Elemen Hingga

Techno Bahari
Towing hook merupakan alat yang digunakan untuk menghubungkan tali penarik (towing line) atau wire rope dari tugboat ke kapal atau objek yang akan ditarik. Beberapa beban tarik mengakibatkan terjadinya distribusi tegangan yang terjadi pada bagian buritan
Tenario Aruza Mizan, Anggra Fiveriati, M. A. Wahid, G. Ngurah, Agung Satria, Prasetya Dharma, Abdul Hamid   +6 more
semanticscholar   +1 more source