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PENGARUH TINGGI NOZZLE TERHADAP DIMENSI AKHIR DAN KEKASARAN PERMUKAAN BENDA KERJA PADA PROSES PEMOTONGAN MENGGUNAKAN PLASMA ARC CUTTING Nugraha, Angga; Hilmy , Zakwan; Susilo, Trisno; Adi, Fajar Tyas
JURNAL SAINS DAN TEKNOLOGI MARITIM Vol. 25 No. 2 (2025): Maret
Publisher : UNIMAR AMNI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33556/jstm.v25i2.461

Abstract

Penelitian ini bertujuan untuk mengkaji pengaruh tinggi nozzle pada proses pemotongan menggunakan Plasma Arc Cutting (PAC) terhadap dimensi akhir dan kekasaran permukaan benda kerja. Plasma Arc Cutting adalah metode pemotongan yang menggunakan busur plasma untuk memtong berbagai jenis material, yang populer dalam industri manufaktur. Tinggi nozzle, yang merupakan jarak antara nozzle plasma dengan permukaan benda kerja, diyakini mempengaruhi kualitas pemotongan. Penelitian ini mengevaluasi perubahan dimensi potongan dan kekasaran permukaan benda kerja pada variasi tinggi nozzle yang berbeda, serta memberikan gambaran mengenai hubungan antara parameter tersebut dengan hasil pemotongan.
Penyebab Penurunan Tekanan Hydraulic Anchor Windlass pada Kapal MT Transko Taurus Adi, Fajar Tyas; Hilmy, Zakwan; Susilo, Trisno; Shakri, Muhammad
Poltanesa Vol 23 No 2 (2022): Desember 2022
Publisher : P3KM Politeknik Pertanian Negeri Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51967/tanesa.v23i2.1989

Abstract

Mesin windlass merupakan suatu alat pada kapal yang digunakan untuk menarik dan menurunkan jangkar dan biasannya dipakai juga untuk menambatkan tali pada saat kapal merapat ke dermaga. Mesin windlass juga dapat dioperasikan dengan energi listrik, energi uap, dan energi sistem hydraulic. Mesin windlass ini terdiri dari jangkar, rantai jangkar, windlass, pompa hydraulic, motor listrik. Penelitian ini menggunakan metode penelitian kuantitatif dengan mendeskripsikan secara terperinci penyebab terjadinya penurunan tekanan hydraulic pada windlass di kapal MT Transko Taurus. Dalam menentukan prioritas masalah untuk diselesaikan, peneliti juga menggunakan suatu alat pendekatan yaitu metode fishbone. Dimana metode fishbone digunakan untuk mencari faktor penyebab permasalahan yang terjadi. Hasil penelitian ini adalah terjadinya penurunan tekanan hydraulic windlass disebabkan oleh kerusakan pada seal o-ring dan kurangnya penguncian pada fitting valve. Selain itu yang membuat anchor kapal pada bagian kanan tidak bisa dinaikan dikarenakan ball valve dalam posisi close yang membuat tekanan minyak hydraulic tidak berjalan dengan semestinya. Berdasarkan hasil penelitian ini disarankan menganti seal 0-ring yang sudah rusak dengan yang baru dan crew harus mengetahui SOP dalam mengoperasiakan sistem hydraulic windlass.
Digital Marketing, The Effective Solutions For Marketing Shredded Tuna Products From Fishermen Villages At South Of Malang Susilo, Trisno; Nugrahendi, Doni
RIGGS: Journal of Artificial Intelligence and Digital Business Vol. 4 No. 4 (2026): November - January
Publisher : Prodi Bisnis Digital Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/riggs.v4i4.5428

Abstract

Indonesia possesses an extensive coastline and abundant marine resources, resulting in high demand for fishery products in both domestic and international markets. However, a significant portion of foreign demand remains unmet, indicating substantial opportunities for expansion. Beyond fresh and frozen fish, value-added processed seafood products offer advantages in terms of convenience, storage, durability, and distribution, while also contributing to the economic welfare of fishermen and their families. These products range from large-scale factory outputs, such as canned fish, to small-scale home industries and MSMEs producing items like shredded tuna. Effective marketing is a critical determinant of success for processed seafood products. In the context of digital transformation, social media platforms—including Facebook, Instagram, TikTok, YouTube, and WhatsApp—provide cost-effective and rapid channels for product promotion and market expansion. This study focuses on shredded tuna produced by home industries in the fishing village of Sendang Biru, South Malang. Although the product has been marketed through several online marketplaces, its reach and demand remain limited, both in terms of consumer awareness and sales volume. Therefore, a structured, comprehensive, and large-scale digital marketing strategy is required to enhance product visibility and demand. This research aims to improve the economic conditions and welfare of the Sendang Biru fishing community while serving as a pilot project for university students to generate income through content creation. Consistent, educational, and engaging content on Instagram and TikTok is expected to influence consumer purchasing behavior, where increased content intensity is directly associated with higher market demand.
Social and Political Critique of Islam in Global Scholarship: A Bibliometric Analysis of Scopus-Indexed Publications Susilo, Trisno; Nirwana, Andri; Salim, Hakimuddin; Kusumaningrum, Kuswardani Dyah Ayu
Proceeding ISETH (International Summit on Science, Technology, and Humanity) 2024: Proceeding ISETH (International Summit on Science, Technology, and Humanity)
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/iseth.6616

Abstract

The study of Islamic social political critique has developed as an important part of contemporary Islamic discourse that highlights the relationship between religion, power, social structure, and global political dynamics. Although the number of scholarly publications on this theme has shown a significant increase, the existing literature is still fragmented and dominated by external perspectives, particularly from the Western social science tradition. Therefore, systematic mapping is needed to understand the direction of development, epistemological structure, and thematic tendency of the study of socio-political criticism of Islam in the international academic literature. This study aims to map and analyze the development of Islamic social political critique studies through a bibliometric approach using 119 scientific documents indexed in the Scopus database. The data was analyzed quantitatively and visually through mapping of publication distribution by year, journal source, author productivity, institutional affiliation, country of origin, as well as keyword network analysis using VOSviewer software. This approach allows the identification of knowledge production patterns, academic relationships, and temporal and thematic shifts in the focus of studies. The results show that the study of Islamic social political critique has experienced consistent growth, especially since the 2010s, and has developed into an established theme in global academic discourse. The production of knowledge is dominated by Western countries, particularly the United States and the United Kingdom, while the contribution of Muslim countries is still relatively limited. From a thematic perspective, Islamic socio-political critical discourse tends to be concentrated on ideological issues such as Islamophobia, secularism, colonialism, and modernity, with Islam more often positioned as an object of criticism than as an epistemic subject. This study concludes that although the intensity of Islamic social political critique studies is quite high, there are still epistemological inequalities in the perspectives used. Therefore, this study affirms the importance of developing a more dialogical and balanced socio-political critique of Islam, in particular by strengthening an approach rooted in the Islamic intellectual tradition itself. These findings are expected to be a starting point for further research that expands and deepens the contribution of critical Islamic studies in a global context.