Arie Indartono
Jurusan Teknik Kelistrikan Kapal, Politeknik Perkapalan Negeri Surabaya Jl. Teknik Kimia, Kampus ITS Sukolilo, Surabaya, 60111, Indonesia

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Analisis Kenaikan Tekanan Fluida Terhadap Tegangan Dan Fleksibilitas Pipa Blowdown A106 Grade A Berdasarkan ASME B31.3 Mahardhika, Pekik; Julianto, Eko; Indartono, Arie; Kusuma, George E.
TEKNIK Vol 39, No 1 (2018): (July 2018)
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (386.613 KB) | DOI: 10.14710/teknik.v39i1.17118

Abstract

Aplikasi sistem perpipaan untuk distribusi fluida banyak di jumpai dalam kehidupan sehari-hari. Boiler di PLTU beroperasi secara kontinyu sehingga perlu dilakukan proses blowdown secara berkala. Sistem blowdown berguna untuk mengontrol dan membuang kandungan solid dalam sisa air pemanasan. Pertemuan dua zat berbeda fase dan temperatur tinggi pada pipa dapat menimbulkan kenaikan tekanan. Tekanan merupakan salah satu hal yang harus dipertimbangkan dalam sistem perpipaan. Dampak negatif kenaikan tekanan fluida secara kontinyu adalah terjadinya deformasi pipa. Deformasi pipa disebabkan tegangan pipa melebihi nilai tegangan yang diijinkan. Kode yang digunakan adalah ASME B31.3 Piping Process.  Berdasarkan kriteria critical line, pipa blowdown A106 Gr.A merupakan kategori B yang harus dikoreksi dengan metode sederhana. Fluida di dalam pipa blowdown telah terjadi kenaikan tekanan menjadi 322,55 psi dan bersifat turbulen. Berdasarkan ASME B31.3, Tegangan pipa akibat beban sustain setelah terjadi kenaikan tekanan fluida masih berada di bawah tegangan ijin (16000 psi). Fleksibilitas pipa masih di bawah nilai fleksibilitas yang diijinkan. Sistem perpipaan blowdown masih dinyatakan aman.
IDENTIFIKASI GARIS STABILITAS MELINTANG KAPAL MELALUI PERCOBAAN KEMIRINGAN MENGGUNAKAN DELPHI BERBASIS ARDUINO Rachman, Isa; Subiyanto, Lilik; Suhardjito, Gaguk; Indartono, Arie
Transmisi Vol 16, No 3 (2014): TRANSMISI
Publisher : Departemen Teknik Elektro, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (583.176 KB) | DOI: 10.12777/transmisi.16.3.121-127

Abstract

Abstrak   Stabilitas kapal pada berbagai kondisi selama penambahan, pengurangan atau pemindahan muatan dan selama pelayaran dapat dihitung dengan mengetahui kondisi stabilitas awal kapal terlebih dahulu. Pada umumnya stabilitas awal kapal hanya terbatas pada stabilitas melintang. Hal ini berarti bahwa garis stabilitas melintang berat kosong kapal harus diketahui terlebih dahulu dengan cara melaksanakan percobaan kemiringan. Garis stabilitas melintang kapal meliputi garis KM, garis KB, garis BM, garis GZ, garis GM dan garis KG. Nilai garis KM dan garis KB dapat diperoleh dari kurva hidrostatis kapal, sedangkan nilai garis BM, garis GZ, garis GM dan garis KG dapat diperoleh dari percobaan kemiringan. Secara konvensional, percobaan kemiringan dilakukan menggunakan pendulum/bandul pada garis CL. Pada penelitian ini dibahas mengenai identifikasi garis stabilitas melintang kapal melalui percobaan kemiringan menggunakan pemrograman Delphi berbasis mikrokontroler Arduino yang berfungsi sebagai inclinometer. Tingkat keakurasian inclinometer dihitung dengan cara membandingkannya dengan pendulum dan busur derajat yang berfungsi sebagai alat ukur sudut acuan. Identifikasi garis stabilitas melintang kapal melalui hasil pengujian percobaan kemiringan menggunakan inclinometer dapat dilakukan secara cepat, praktis dan memiliki tingkat akurasi rata-rata yang lebih baik jika dibandingkan menggunakan pendulum dengan prosentase tingkat keakurasian rata-rata adalah 99,78 % dan prosentase tingkat error rata-rata adalah 0,22 % untuk sudut percobaan kemiringan 0o-4o.   Kata kunci : stabilitas, melintang, kemiringan, garis, inclinometer.     Abstract   Stability of the ship under varying conditions during the addition, reduction or displacement of load and during the cruise can be calculated by knowing the condition of initial stability ship first. Generally, the initial stability of the ship is confined to the transverse stability. This means that line of the transverse stability of the lightship must be known in advance by carrying out the inclining experiment. Line of the transverse stability of the ship include KM, KB, BM, GZ, GM and KG. Value of KM and KB can be obtained from the ship hydrostatic curve, while value of BM, GZ, GM and KG can be obtained from the inclining experiment. Conventionally, the inclining experiment carried out using a pendulum at CL. In this study discussed identification the line of the transverse stability of the ship through the inclining experiments using the Delphi programming based on Arduino microcontroller that functions as an inclinometer. Inclinometer accuracy rate is calculated by comparing it with a pendulum and a protractor that functions as a reference. Identification the line of the transverse stability of the ship through the test results of the inclining experiment using inclinometer can be done quickly, practically and having an average degree of accuracy that is better than using a pendulum with a percentage of the average accuracy rate was 99,78 % and the average error rate was 0,22 % for the inclining experiment angle 0o-4o.   keywords : stability, transverse, inclining, line, inclinometer.
Evaluation of Radar Reflector Design for Traditional Fishermen in Banyuwangi Dian Asa Utari; M. Basuki Rahmat; I Putu Arta Wibawa; Arie Indartono; Eko Setijadi; Sri Wiwoho Mudjanarko
THE SPIRIT OF SOCIETY JOURNAL : International Journal of Society Development and Engagement Vol 5 No 1 (2021): September 2021
Publisher : LPPM of NAROTAMA UNIVERSITY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/scj.v5i1.1557

Abstract

Every fishing boat owned by fishermen in the Muncar Harbor area of Banyuwangi is always decorated. In addition to beautifying the ship, they also provide enthusiasm for work. Various decorations used include the shape of the dome of the mosque and the shape of a butterfly. Although technically all ornaments do not support their safety at sea. Accidents, namely the collision of traditional fishing vessels by large commercial vessels often occur. because the area of operation of traditional fishermen is the trajectory of large commercial ships. Many accidents occur because the presence of fishing boats is not detected by commercial vessels. because most traditional fishing boats are made of materials that do not reflect the radar signals of large vessels. For this reason, it is very necessary to install a reflector radar, which is a passive radar that serves to increase the object’s Radar Cross Section value. This radar can be mounted on fishing vessels so that the reflected energy from this radar reflector can be recognized by large ships. This article describes designs that are in demand by traditional fishermen in the Muncar area of Banyuwangi.
Integrated Validation System (IVS) Design for Proposal Submission of Student Activities at PPNS Yesica Novrita Devi; Wibowo Arninputranto; Fitri Hardiyanti; M. Khoirul Hasin; Arie Indartono
Procedia of Social Sciences and Humanities Vol. 1 (2021): Proceedings of the 2nd International Conference On Intelectuals Global Responsibility
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/pssh.v1i.61

Abstract

The concept of Industry 4.0 is a combination of new technological developments that aim to facilitate human-computer interaction. Higher Education Institutions are currently not separated from the development of the industrial revolution involvement 4.0. Technology has a tremendous influence in the running of all activities of daily living, not least the performance of management in institutions of Higher Education Institutions. The demand to be able to work more effectively and efficiently in producing a product both in the form of goods and services makes PPNS have to keep up with technological developments. PPNS is expected to produce a product, both goods and services, in accordance with the expectations of the stakeholders (students, society and lecturers-employees). One of the problems that often becomes a problem is the bureaucracy that has a long flow. In this study, problems that occur in the PPNS Student Affairs Sector will be raised, namely regarding the approval of student activity proposals from the Student Association (HIMA) by the PPNS Management in Student Affairs under Deputy Director III. There are several steps that can be assisted in the process by using technology, so as to increase the effectiveness of performance in student affairs. Based on these problems and opportunities, a study is proposed with the title Integrated Validation System (IVS) Development to Optimize Student Service Performance in PPNS. With this system, it is hoped that it will help optimize the performance in the field of student affairs so that it can be more effective and efficient in serving requests for student activities at PPNS
Performance Evaluation of Floating Solar Power Plant in Sidobandung Bojonegoro Rahmat, Mohammad Basuki; Poetro, Joessianto Eko; Setiyoko, Annas Singgih; Widodo, Hendro Agus; Asri, Purwidi; Hidayat, Edy Prasetya; Indartono, Arie; Budiawati, Ratna; Mudjanarko, Sri Wiwoho
THE SPIRIT OF SOCIETY JOURNAL : International Journal of Society Development and Engagement Vol 6 No 2: March 2023
Publisher : LPPM of NAROTAMA UNIVERSITY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/scj.v6i2.2197

Abstract

Sidobandung Village is a village that will develop the potential as a tourism village. One of the potentials that has been successfully built is a reservoir. With the construction of the reservoir in this village, tourism activities began to be seen. The number of visitors who came increases the village's income. Yet, Currently it only open on daytime conditions. Therefore, in its development, there is a desire to open services at night. The problem is how to reduce electricity costs. One of the facilities to support this is to build a floating generator (PLTS) which was built in collaboration with one of the expert vocational colleges in the field of floating buildings located in Surabaya. This floating PLTS is a renewable energy source, in accordance with the village's wish to become an educational tourism village. This floating PLTS is expected to be able to supply 30 lamps which each having a power of 50 watts for street lighting around the reservoir. The total lamp load is about 100 watts. The PLTS system that was built consists of 10 solar cell panels, each solar cell panel has a capacity of 330 WP. With a total of 4 batteries with specifications of 12 Volt 200 Ah. This system is being evaluated. The evaluation results show that the battery capacity is only able to supply 15 lamps for 12 hours. So to supply all the required load, 12 batteries are needed.
Application of Dynamic Systems to Model Increasing Profitability of UMKM Production in the “SENTRA IKAN BULAK” Suyono, Joko; Rahmat, M. Basuki; Mudjanarko, Sri Wiwoho; Fadilah, Eka; Artaya, I Putu; Bahaswan, Rizal; Alie, R.M. Mahrus; Indartono, Arie; Syaiful, Syaiful; Alviansyah, M. Khakim; Umam, Choirul
THE SPIRIT OF SOCIETY JOURNAL : International Journal of Society Development and Engagement Vol 8 No 1: September 2024
Publisher : LPPM of NAROTAMA UNIVERSITY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/scj.v8i1.2958

Abstract

The growth of UMKM in various sectors has triggered intense competition between these business actors. One of them is the craft sector. The use of social media is expected to boost turnover, but the benefits are still lacking. In the craft sector, the problem that arises on the MSME side is the cessation of production. This causes turnover to decrease and has an impact on decreasing profits. This dynamic system modeling is used to see how profit-increasing strategies can be carried out. Based on the dynamic system, there are several variables, namely the causal loop diagram (CLD) and the Stock Flow Diagram (SFD) that are built, there are 3 scenarios in increasing production profits, namely: increasing production, reducing the cost of tools and materials and the third is both taken simultaneously. From the simulation carried out, it was found that within a period of 12 months it was seen that increasing production by reducing the cost of tools and materials could increase sales so that income increased and profits increased. A process of identifying production process change variables is needed as one of the production process variables that was stopped.
PENGARUH PROFITABILITAS TERHADAP KEBIJAKAN DIVIDENDENGAN LIKUIDITAS SEBAGAI VARIABEL MODERASI Vania Alif Firdaus; Arie Indartono; Ristanti Akseptori
Proceeding Maritime Business Management Conference MBMC: Proceeding Maritime Business Management Conference 2023
Publisher : Program Studi D4-Manajemen Bisnis, Jurusan Teknik Bangunan Kapal, Politeknik Perkapalan Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33863/mbmc.v2i2 2985-379.2581

Abstract

This study was conducted to determine the effect of profitability (ROA) on dividend policy (DPR) with liquidity (CR) as a moderating variable in infrastructure sector companies, and the transportation & logistics sector on the Indonesia Stock Exchange for the period 2018- 2022. The sampling method in this study was purposive sampling and obtained 8 samples that met the criteria from 92 companies. The type of data used is secondary data obtained from www.idx.co.id. This data was analyzed using Moderated Regression Analysis (MRA). The results of the study Liquidity weakens the influence of Profitability on Dividend Policy. Suggestions that can be conveyed for investors who will invest their funds are advised to be more careful in analyzing and paying attention to the company's financial performance so that they are not affected by the apparent increase in dividend payments.
ANALISA MENGGUNAKAN METODE FAILURE MODE AND EFFECT ANALYSIS (FMEA) DALAM KEGAGALAN PROSES BONGKAR MUAT PADA PERUSAHAAN LOGISTIK Pramudya Audrey Prienycha Islamey; Yesica Novrita Devi; Arie Indartono
Proceeding Maritime Business Management Conference MBMC: Proceeding Maritime Business Management Conference 2023
Publisher : Program Studi D4-Manajemen Bisnis, Jurusan Teknik Bangunan Kapal, Politeknik Perkapalan Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33863/mbmc.v2i2 2985-379.2597

Abstract

This research was conducted at a logistics service company located in Surabaya and engaged in freight forwarding or commonly referred to as ship cargo expeditions. This logisticsservice company also acts as a Logistics Service Provider (LSP) with several service categories, namely warehousing, stuffing/stripping, ICL, FCL, tally, surveyor, inland transport, general freight forwarding, project & contract logistics, and custom clearance. In all freight forwarding business activities, of course there are several risks of operational failure that causing losses to the company. Therefore, this study uses the Failure Mode and Effect Analysis (FMEA) method to identify and find the risk of failure that occurs that is processed to find the value of the Risk Priority Number (RPN) and the critical risk of operational failure. The results of the study show 8 critical risks and risk management is needed. In handling risk in this company uses 4 strategies, namely immediate action, immediate attention, periodic attention, and annual evaluation.
PERAN KARAKTERISTIK INDIVIDU DAN KOMUNIKASI EFEKTIF TERHADAP KINERJA KARYAWAN Siti Rohyana; Ristanti Akseptori; Arie Indartono
Proceeding Maritime Business Management Conference MBMC: Proceeding Maritime Business Management Conference 2023
Publisher : Program Studi D4-Manajemen Bisnis, Jurusan Teknik Bangunan Kapal, Politeknik Perkapalan Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33863/mbmc.v2i2 2985-379.2600

Abstract

One aspect related to human resources that must be considered by the organization is employee performance. Performance is the level of achievement of results on the implementation of certain tasks. Based on the context of human resource development, the performance of an employee in a company is needed. Thisstudy aimed to determine the effect of individual characteristics and effective communication on employee performance in the sea transportation and shipping service company group. This study used a causal associative approach. The statistical test technique used was multiple linear regression analysis using SPSS 25, by distributed questionnaires to 41 respondents. The results of this study indicated that individual characteristics significantly influenced employee performance, while effective communication did not significantly influence employee performance. Based on the simultaneous test results obtained F-count 20.426 greater than F-table 3.238 which showed that simultaneously individual characteristics and effective communication affect employee performance. In addition to attention to technical competence, companies must also pay attention to these two variables in optimizing their performance. Employees who have good individual characteristics and high effective communication skills tend to have better performance. This research can be a reference for companies in managing human resources more effectively.
ANALISIS PENGARUH JUMLAH PRODUKSI DAN NILAI TUKAR TERHADAP VOLUME EKSPOR KOMODITAS UTAMA SEKTOR PERIKANAN TANGKAP LAUT TAHUN 2014-2023 Fadhil Muhammad; R.A. Norromadani Yuniati; Arie Indartono
Proceeding Maritime Business Management Conference MBMC: Proceeding Maritime Business Management Conference 2024
Publisher : Program Studi D4-Manajemen Bisnis, Jurusan Teknik Bangunan Kapal, Politeknik Perkapalan Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33863/mbmc.v3i1.3237

Abstract

Indonesia, as the largest archipelagic country, has abundant maritime economic potential. The capture fisheries sector plays a vital role in the national economy, especially in export and import activities. This study aims to analyze the influence of production volume and exchange rates on the export volume of major marine capture fisheries commodities. This research employs a quantitative causal approach using secondary data from the period of 2014-2023 (on a quarterly basis). The statistical technique used is multiple regression analysis. The results of the study indicate that production volume and exchange rates have a significant simultaneous effect on the export volume of major marine capture fisheries commodities. Partially, the exchange rate significantly affects export volume, while production volume does not have a significant effect on export volume. This indicates that an increase in production volume is not the main driver of rising export volume. On the other hand, an increase in exchange rates makes prices more competitive in international trade, leading to an increase in export volume..