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Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan
Published by Asosiasi Riset Ilmu Teknik Indonesia
ISSN : 30315018     EISSN : 30313503     DOI : 10.61132
Core Subject : Science, Engineering,
Chemical Engineering, Chemistry & Bioengineering Earth & Planetary Sciences Industrial & Manufacturing Engineering Mechanical Engineering
Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan. is a journal devoted to the publication of scientific articles published by the Indonesian Engineering Science Research Association. This journal is a peer-reviewed and open research journal of the Engineering Science Clump. The fields of study in this journal include the Civil Engineering, Earth and Shipbuilding Engineering sub-groups. The Research Journal of the Engineering Science Clump accepts articles in English and Indonesian. This journal is published 1 year 4 times (February, May, August and November)
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 183 Documents
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Pembuatan Cangkul Baja Ukuran 35×22×0,7 cm, Kapasitas 0,5 Biji/Jam Akmal Robby Syadana; Syamsul Hadi; Satrio Riesqi Saputra; Muhammad Agil Ramadhan
Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan Vol. 4 No. 2 (2026): Mei: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/globe.v4i2.1456

Abstract

This study was motivated by the limited quality of locally manufactured hoes, which are considered insufficiently strong and hard for soil cultivation activities such as digging, clearing, and leveling land, making them less competitive than imported products. The study aimed to produce a steel hoe measuring 35 × 22 × 0.7 cm with adequate strength, hardness, and wear resistance for soil cultivation. The manufacturing process included designing the hoe, selecting AISI 1020 low-carbon steel as the raw material, conducting the forging process at a temperature of 1,150–1,250°C, applying a carburizing heat treatment at 900°C for one hour, testing the product's hardness and chemical composition, installing a wooden handle, and inspecting product quality and dimensions according to applicable standards. The results showed that the manufactured steel hoe met the requirements of SNI 0331:2018 and achieved a hardness value of 37.842 HRC. The production cost was Rp150,000.00 per unit, with a manufacturing time of approximately 120 minutes per unit. The resulting hoe demonstrated adequate strength, hardness, and wear resistance, making it suitable for soil cultivation activities, particularly digging, clearing, and leveling agricultural land..
Analisis Penyebab Kenaikan Temperatur Air Tawar pada Sistem Pendingin Mesin Induk di HT Kresna 3116 Syavessandro Marchio Sangkastria Diadema; Sugeng Marsudi; Maxima Ari Saktiono
Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan Vol. 4 No. 2 (2026): Mei: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/globe.v4i2.1459

Abstract

This study aims to analyze the factors causing the increase in fresh water cooling temperature in the Main Engine, the impacts on engine performance, and the corrective actions taken to overcome Cooling System problems on board Harbour Tug (HT) Kresna 3116. The research was conducted during the sea practice period (PRALA) from October 5, 2024, to October 5, 2025, using a descriptive qualitative research method. Data were collected through direct observation in the engine room, interviews with the Chief Engineer and engine crew, documentation, and analysis of Cooling System operational data. The results showed that the increase in fresh water cooling temperature from the normal condition of 70°C to 85°C was caused by several factors, including blockage of the Sea Chest due to mud and marine debris, scale accumulation in the fresh water cooler, damage to the Mechanical Seal of the Fresh Water Pump, and the less-than optimal implementation of the Planned Maintenance System (PMS). These problems reduced the effectiveness of the heat transfer process, causing the exhaust gas temperature to increase up to 460°C, decreasing combustion efficiency, increasing fuel consumption, and potentially leading to Overheating of the Main Engine. To address these issues, several corrective actions were implemented, including cleaning the Sea Chest and fresh water cooler, replacing the damaged Mechanical Seal on the Fresh Water Pump, renewing the Coolant, and carrying out PMS activities regularly and continuously. After these corrective measures were taken, the fresh water cooling temperature returned to its normal range of approximately 70°C, and the system pressure returned to 2.5 bar. Based on the research findings, it can be concluded that regular maintenance and monitoring of the Cooling System are essential to maintain Main Engine performance, improve vessel operational reliability, and prevent disruptions that could hinder sailing operations.
Analisis Kegagalan Sistem Pelumasan Piston pada Diesel Generator Nomor 1 di Kapal MV. Hanglima Moh. Rifqi Bagus Wahyudi; Sugeng Marsudi; Rodlitul Awwalin
Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan Vol. 4 No. 2 (2026): Mei: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/globe.v4i2.1460

Abstract

This study analyzes the causes of piston lubrication system failure and its impact on the performance of Diesel Generator No. 1 aboard MV. Hanglima. The lubrication system is essential for reducing friction, cooling engine components, and preventing wear to ensure reliable diesel engine operation. This research employed a qualitative descriptive approach using direct observation in the engine room, interviews with engine crew members, and documentation from engine logbooks and engine disassembly results. The findings show that the engine initially operated normally, but a significant increase in fresh water and lubricating oil temperatures, followed by a drop in lubricating oil pressure below the minimum operating limit of 2.5 bar, activated the Low Lubricating Oil Pressure alarm. This condition caused the engine speed to decrease from 1200 RPM to approximately 700 RPM, reducing both frequency and electrical power output. Engine disassembly revealed that the failure was primarily caused by a blocked piston cooling jet in Cylinder No. 3, contaminated oil filters, sludge accumulation in the oil sump, and wear on the piston and cylinder liner. Regular preventive maintenance is therefore essential to ensure stable and reliable diesel generator performance.
Analisis Pengaruh Penambahan Ca(Oh)₂ Terhadap Kontaminasi Ion Magnesium (Mg²⁺) Berdasarkan Nilai Rheology Lumpur Pemboran Berbasis Air Yohanes Ongky Miang; Joko Wiyono; Fatma Fatma
Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan Vol. 4 No. 3 (2026): Agustus : Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/globe.v4i3.1470

Abstract

This research was conducted to evaluate the impact of magnesium ion (Mg²⁺) contamination and to assess the effectiveness of calcium hydroxide (Ca(OH)₂) as a treatment agent on the rheological behavior of water-based drilling mud. The experiment utilized 350 mL of water-based mud (WBM), which was contaminated with MgCl₂·6H₂O at concentrations of 2 g, 4 g, and 6 g. Subsequently, Ca(OH)₂ was added at dosages of 1 g, 2 g, and 3 g. The evaluated parameters included plastic viscosity (PV), yield point (YP), gel strength, filtration loss, mud weight, and pH in accordance with API standards. The findings revealed that magnesium contamination altered the rheological characteristics of the drilling mud, as indicated by a reduction in PV, increases in YP and gel strength, higher filtration loss values, and a decrease in pH. These changes suggest that the presence of Mg²⁺ negatively affects mud stability. Following the addition of Ca(OH)₂, the pH increased and returned to alkaline conditions, while the adverse effects of magnesium contamination on mud rheology were partially mitigated. Although several rheological parameters remained higher than those of the base mud, the treatment demonstrated its ability to improve mud performance by stabilizing its chemical condition and reducing the influence of magnesium ions. The results indicate that Ca(OH)₂ can be applied as a treatment material to reduce the adverse effects of magnesium ion contamination in water-based drilling mud. However, an appropriate dosage is still required to achieve optimum drilling fluid performance.
Evaluasi Pengaruh Matrix Aciding terhadap Kinerja Water Injection Menggunakan Metode Hall Plot pada Sumur Injeksi “X” Lapangan Donggi Matindok Deutelin Angga Andriano Mbele; Risna Risna; Esterina Natalia Paindan
Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan Vol. 4 No. 3 (2026): Agustus : Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/globe.v4i3.1494

Abstract

Water injection is a method used to maintain reservoir pressure and improve hydrocarbon recovery efficiency. One of the common problems encountered in injection wells is formation damage, which can reduce the formation's ability to accept injected fluids. This study aims to evaluate the performance of Injection Well X using the Hall Plot method to identify formation damage and determine an appropriate remedial action.The research methods include Hall Plot analysis based on the relationship between cumulative water injection and cumulative pressure, as well as the calculation of the Injectivity Index (II) as a supporting parameter for evaluating well performance. The data used consist of injection rate, injection pressure, operating time, and well stimulation data from August to December 2017.The results show that the Hall Plot slope increased from 0,001115208 during the August–September period to 0.015021 during October–November, indicating the occurrence of formation damage. The Injectivity Index also decreased from 62.99 BWPD/psi to 16.88 BWPD/psi. To overcome this condition, a matrix acidizing treatment using 10% HCl solution with a volume of 5.05 bbl was conducted. After acidizing, the Hall Plot slope decreased to 0.008741, while the Injectivity Index increased to 33.43 BWPD/psi. These results indicate that matrix acidizing was effective in reducing flow resistance and improving the performance of Injection Well X.
Influence of Cementation and Dolomitization on Carbonate Reservoir Quality: A Literature Review Isman Saleh
Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan Vol. 4 No. 3 (2026): Agustus : Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/globe.v4i3.1501

Abstract

Carbonate reservoirs contain a substantial proportion of the world's hydrocarbon resources, yet predicting their reservoir quality remains challenging because of the complex interactions among depositional characteristics and subsequent diagenetic processes. This study presents a systematic literature review to evaluate the influence of cementation and dolomitization on the evolution of carbonate reservoir quality. Relevant studies were synthesized to examine diagenetic mechanisms, controlling factors, analytical approaches, and their impacts on porosity and permeability under different geological settings. The review indicates that dolomitization exerts both constructive and destructive effects on reservoir quality. Early replacement dolomitization commonly enhances intercrystalline porosity, improves permeability, and increases resistance to mechanical compaction, particularly in deeply buried reservoirs. Conversely, overdolomitization and pore-filling dolomite cement may significantly reduce pore connectivity. Cementation, especially by calcite, dolomite, and anhydrite, consistently acts as the principal destructive diagenetic process by occluding both primary and secondary pore systems, thereby decreasing porosity and permeability. The ultimate reservoir quality is governed by the timing, sequence, and intensity of diagenetic events, together with depositional facies, burial history, and structural controls on fluid migration. This review emphasizes that integrated petrographic, geochemical, petrophysical, and sequence-stratigraphic analyses provide the most reliable framework for predicting carbonate reservoir quality and reducing uncertainty in hydrocarbon exploration and reservoir characterization
Prospek Potensi Batubara di Desa Tanjung Raman Kabupaten Bengkulu Tengah Provinsi Bengkulu Dyah Dyah; Enni Enni; Amran Amran; Wahyuni Wahyuni
Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan Vol. 4 No. 2 (2026): Mei: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/globe.v4i2.1567

Abstract

Bengkulu Province is one of the regions with significant coal resource potential and is regionally located in the Bengkulu Basin. This basin is composed of Tertiary to Quaternary rock units, including the Hulusimpang, Seblat, Lemau, Simpangaur, and Bintunan Formations, which developed through a complex depositional and tectonic history. This study aims to assess the coal potential in Tanjung Raman Village, Taba Penanjung District, Central Bengkulu Regency based on regional geological conditions, stratigraphy, depositional environments, and geological factors that control coal availability. The study was conducted through analysis and synthesis of various scientific publications, geological maps, and previous research results related to the Bengkulu Basin. The results of the study indicate that the Lemau Formation, dated to the Middle–Late Miocene, is the main coal-bearing formation deposited in a swampy environment and produces several coal seams with varying thicknesses, even reaching more than 6 m. The coal potential in the Tanjung Raman area is also influenced by stratigraphic conditions and geological structures in the form of folds and faults that control the continuity of coal layers (Gafoer et al., 1992; Amin et al., 1994; Yulihanto et al., 1995). Based on these geological characteristics, Tanjung Raman Village has good prospects for coal resource development, while still paying attention to the principles of environmental management and sustainability.
Perancangan Sistem Informasi Inventory Barang Metode FIFO Berbasis Web di CV. Banu Jaya Semarang Abdul Rizki Maghribi
Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan Vol. 4 No. 3 (2026): Agustus : Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/globe.v4i3.1578

Abstract

CV. Banu Jaya is a company engaged in the supply of vegetables, fruits, and kitchen spices for restaurants and hotels. In carrying out its business processes, the company still uses manual methods for stock data collection, recording the incoming and outgoing goods, and preparing reports, resulting in frequent recording errors and food spoilage due to unmonitored stock levels. To overcome these problems, a web-based inventory information system was designed by implementing the FIFO (First In First Out) method. This research uses the Rapid Application Development (RAD) system development method, consisting of the stages of requirements planning, design workshop, and implementation. The system was designed using Next.js as a framework and PostgreSQL as a database. The system design model is illustrated through UML diagrams, including use case diagrams, activity diagrams, sequence diagrams, and class diagrams. The results of the study show that the developed information system is able to facilitate efficient and effective inventory management, maintain the selling value of food ingredients through the implementation of FIFO, and support automatic and accurate transaction reporting processes. The system has also undergone testing using the black box testing method and showed valid results for each tested feature.
Analisis Sistem Pencahayaan Flood Light Berdasarkan Parameter Teknik Pencahayaan di Lapangan Samudra Kuta I Kadek Davila Dylan Jawara Iswara; I Wayan Suriana; I Wayan Dikse Pancane; I Wayan Sukadana
Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan Vol. 4 No. 3 (2026): Agustus : Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/globe.v4i3.1598

Abstract

This study aims to analyze the performance of lighting quality and electrical energy efficiency resulting from the modernization of the Floodlight system from Metal Halide (MH) to Light Emitting Diode (LED) at Samudra Kuta Field. The evaluation was conducted by comparing the nominal installed power parameters and direct measurement results of illuminance (lux) across 15 grid points in accordance with the CIE 067-1986 method. The results show that replacing 16 units of 1,000 W MH lamps with 400 W LED lamps on four 16-meter towers successfully reduced the total installed power from 16 kW to 6.4 kW, representing a 60% reduction (9.6 kW). On the other hand, lighting quality improved significantly; average illuminance () increased by 84.47% from 124.5 lux to 229.67 lux, and Uniformity () increased by 125% from 0.36 to 0.81. The actual performance of this LED system meets the standard for non-competitive soccer field lighting ( and ). Converting to LED proves to be an effective solution for enhancing lighting quality while reducing installed electrical power.
Analisis Pengaruh Variasi Material Substitusi terhadap Koefisien Permeabilitas pada Timbunan Tanah Lanau Berlempung Era Agita Kabdiyono; Alizar Alizar; Okinawa Surya Putra Pratama
Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan Vol. 4 No. 3 (2026): Agustus : Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/globe.v4i3.1629

Abstract

Clayey silt is a soil type commonly found in Indonesia; however, it often causes problems in embankment construction due to its low permeability. This characteristic restricts water flow, leading to prolonged waterlogging and potentially reducing the stability of road and drainage infrastructure. This study aims to analyze the effect of adding substitute materials on improving the coefficient of permeability (k) of clayey silt and to determine the optimum mixture composition. The research method used was a laboratory experimental approach, including testing the physical properties of the original soil, such as specific gravity, Atterberg limits, and sieve analysis. Standard Proctor compaction testing was conducted to determine the optimum moisture content and maximum dry density, while permeability testing was carried out using the falling head method. The mixture variations consisted of substitute materials, such as sand or stone ash, added at percentages of 0%, 10%, 30%, 50%, and 70% based on the dry weight of the soil. The expected result of this study is the identification of the relationship between the percentage of substitute material and changes in permeability values. Therefore, this research is expected to provide technical recommendations for effective, economical, and applicable embankment soil improvement to mitigate the risk of waterlogging.

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