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PUSAT RISET DAN INOVASI NASIONAL UNIVERSITAS SAINS DAN TEKNOLOGI KOMPUTER Alamat: Jl. Majapahit No.304, Palebon, Kec. Pedurungan, Kota Semarang, Jawa Tengah 50199
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Jurnal Riset Rumpun Ilmu Teknik (JURRITEK)
Published by Pusat Riset dan Inovasi Nasional
ISSN : 28290178     EISSN : 2829016X     DOI : 10.55606
Core Subject : Science, Engineering,
Civil Engineering, Building, Construction & Architecture Computer Science & IT
Sub Rumpun TEKNIK SIPIL DAN PERENCANAAN TATA RUANG 1. Teknik Sipil 2. Teknik Lingkungan 3. Rancang Kota 4. Perencanaan Wilayah dan Kota 5. Teknik Pengairan 6. Teknik Arsitektur 7. Teknologi Alat Berat 8. Transportasi 9. Bidang Teknik Sipil Lain Yang Belum Tercantum Sub Rumpun ILMU KETEKNIKAN INDUSTRI 1. Teknik Mesin (dan Ilmu Permesinan Lain) 2. Teknik Produksi (dan Atau Manufakturing) 3. Teknik Kimia 4. Teknik (Industri) Farmasi 5. Teknik Industri 6. Penerbangan/Aeronotika dan Astronotika 7. Teknik Pertekstilan (Tekstil) 8. Teknik Refrigerasi 9. Bioteknologi Dalam Industri 10. Teknik Nuklir (dan Atau Ilmu Nuklir Lain) 11. Teknik Fisika 12. Teknik Enerji 13. Penginderaan Jauh 14. Teknik Material (Ilmu Bahan) 15. Bidang Keteknikan Industri Lain Yang Belum Tercantum Sub Rumpun TEKNIK ELEKTRO DAN INFORMATIKA 1. Teknik Elektro 2. Teknik Tenaga Elektrik 3. Teknik Telekomunikasi 4. Teknik Elektronika 5. Teknik Kendali (Atau Instrumentasi dan Kontrol) 6. Teknik Biomedika 7. Teknik Komputer 8. Teknik Informatika 9. Ilmu Komputer 10. Sistem Informasi 11. Teknologi Informasi 12. Teknik Perangkat Lunak 13 Teknik Mekatronika 14. Bidang Teknik Elektro dan Informatika Lain Yang Belum Tercantum Sub TEKNOLOGI KEBUMIAN 1. Teknik Panas Bumi 2. Teknik Geofisika 3. Teknik Pertambangan (Rekayasa Pertambangan) 4. Teknik Perminyakan (Perminyakan) 5. Teknik Geologi 6. Teknik Geodesi 7. Teknik Geomatika 8. Bidang Teknologi Kebumian Lain Yang Belum Tercantum Sub Rumpun ILMU PERKAPALAN 1. Teknik Perkapalan 2. Teknik Permesinan Kapal 3. Teknik Sistem Perkapalan 4. Teknik Kelautan dan Ilmu Kelautan 5. Oceanograpi (Oceanologi) 6. Bidang Perkapalan Lain Yang Belum Tercantum
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 256 Documents
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Analisis Kebutuhan Material Fiberglass pada Pembangunan Kapal Perikanan Type Longline Berbahan Fiberglass pada Dinas Perikanan Kabupaten Buton Selatan Samaluddin Samaluddin; Rahmawati Djunuda; La Ode Abdul Gamsir; Dedi Ashari
JURNAL RISET RUMPUN ILMU TEKNIK Vol. 4 No. 2 (2025): Agustus : Jurnal Riset Rumpun Ilmu Teknik
Publisher : Pusat riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurritek.v4i2.6057

Abstract

Fiberglass is a composite material composed of a mixture of various chemical substances that react and harden over a specific period of time. The use of fiberglass material composition in the construction of fishing vessels provides durability as a composite material and also influences the overall cost of building fiberglass boats. Construction costs vary significantly depending on the type of vessel, its size, the technology used, and the location of construction. The objective of this study is to determine the volume of fiberglass material used in the construction of fishing vessels. Data collection techniques included observation, interviews, and documentation, followed by a literature review related to the calculation of fiberglass material usage in boat construction with fiberglass structure. This research employs a quantitative descriptive method, which describes the subject under study based on actual conditions and draws conclusions from observed phenomena using numerical statistics. Based on the research findings, it was determined that the construction of one (1) unit of fiberglass fishing vessel requires the following materials: Chopped Strand Mat 300 (CSM 300) amounting to 101.53 kg, Chopped Strand Mat 450 (CSM 450) amounting to 130.352 kg, Woven Roving 600 (WR 600) amounting to 116.130 kg, Resin amounting to 657.171 kg, and Catalyst amounting to 6.969 kg.
Design and Develpoment of the Dry Method Autoclave Sterilization Heat from an Arduino Uno in Dential Equipment Afandi Dwi Prasetiyo; Rini Puji Astutik
JURNAL RISET RUMPUN ILMU TEKNIK Vol. 4 No. 2 (2025): Agustus : Jurnal Riset Rumpun Ilmu Teknik
Publisher : Pusat riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurritek.v4i2.6065

Abstract

Sterilization occupies a fundamental position in the domain of dentistry, ensuring that the instruments utilized are entirely devoid of pathogenic microorganisms. An autoclave sterilization apparatus employing the dry heat technique, based on the Arduino Uno platform, is essential in providing a robust and effective methodology for the sterilization of dental instruments. The hardware configuration is comprised of a heating element, a temperature sensor, and a control system that is meticulously designed to uphold temperature with precision and reliability. The sterilization of dental instruments is imperative for upholding hygiene standards and averting cross-contamination. The primary aim of this research is to devise a sterilization device that is both efficient and effective through the implementation of the dry heat method, which is regarded as safer in comparison to traditional steam-based techniques. The architecture of this autoclave incorporates an Arduino Uno microcontroller as the central controller of the system, which autonomously regulates the temperature and duration of the sterilization cycle. The temperature sensor and heating element are systematically interconnected to maintain the temperature within the optimal range (100-150°C), which is critical for effective dry heat sterilization. Furthermore, a user-friendly interface has been integrated to facilitate the oversight of the sterilization process. This apparatus is adept at executing the sterilization procedure efficiently within a reduced timeframe, without compromising the integrity of the sterilization results. The system provides enhanced control and can be tailored to meet specific user requirements, thereby positioning it as an ideal solution for cost-sensitive dental clinics. This innovation is expected to significantly elevate hygiene standards within dental practices and may stimulate considerable advancements in the healthcare sector.
Implementasi Sistem Deteksi Otomatis untuk Keamanan Lift : Studi Kasus Sling Putus Muhammad Ricky Firmansyah; Yoedo Ageng Suryo
JURNAL RISET RUMPUN ILMU TEKNIK Vol. 4 No. 2 (2025): Agustus : Jurnal Riset Rumpun Ilmu Teknik
Publisher : Pusat riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurritek.v4i2.6067

Abstract

This study aims to develop an automatic detection system to improve lift safety through early detection and rapid response to sling failure. The research method uses an experimental approach by designing a 3-story lift prototype that integrates a Raspberry Pi Pico microcontroller as the main processing unit, an HC-SR04 ultrasonic sensor to detect lift position, a limit switch to detect sling failure, and a mechanical braking system using a servo motor. The system is equipped with an I2C LCD for real-time display, Telegram notifications for remote monitoring, and a buzzer alarm as an early warning. The test results show that the ultrasonic sensor has a high accuracy of 97.58% with an average error of 2.42%. The system successfully detects sling failure and activates mechanical braking automatically, preventing the basket from falling freely and allowing it to stop on the nearest floor. All control functions such as navigation buttons, motor rotation direction, and limit switch accuracy work well. This system provides an innovative solution to improve elevator safety through the integration of automatic detection technology, real-time monitoring, and direct physical response that can be applied to the development of future elevator safety technology.
Model PLTA Skala Kecil dengan Generator DC 24 Volt Yeskiel Astara; Aries Boedi Setiawan; Wahyu Dirgantara
JURNAL RISET RUMPUN ILMU TEKNIK Vol. 4 No. 2 (2025): Agustus : Jurnal Riset Rumpun Ilmu Teknik
Publisher : Pusat riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurritek.v4i2.6094

Abstract

Small-scale Hydropower Plants (HPP) are an effective renewable energy alternative to meet electricity needs in remote areas. This study aims to develop and test a small-scale HPP model using a 24-volt DC generator as the main component. The development process involves analyzing water flow rates, head height, and the conversion of mechanical energy into electrical energy. The 24-volt DC generator was chosen due to its availability, high efficiency, and ease of integration with energy storage systems.This small-scale HPP model is expected to provide a reliable electricity solution for households or small communities, particularly in areas not yet connected to conventional power grids. This study also paves the way for further development, especially in optimizing design and utilizing more efficient components. With a generator capacity of 24 volts, the voltage produced will tend to be stable compared to a generator with a capacity of 12 volts. So that this study is able to provide an accurate impact given by the water discharge that drives the.
Analisis Pengaruh Data Curah Hujan terhadap Desain Saluran Kota Kerlima Hutagaol; Akhmad Faruq; Maret Jerman Samosir; Nanang Andhy Setiawan; Meliana Nur Evani; Pandya Fadil Munpintoro
JURNAL RISET RUMPUN ILMU TEKNIK Vol. 4 No. 2 (2025): Agustus : Jurnal Riset Rumpun Ilmu Teknik
Publisher : Pusat riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurritek.v4i2.6106

Abstract

Currently, the world is facing Global Warning Phenomena, El Nino and La Nina, each of these natural phenomena makes above-average rainfall at a time and place and an area, especially impacting large cities that are passed through by water due to high rainfall. With inadequate city channels to accommodate rainwater flow, it results in, among other things, high floods, landslides due to the soil no longer being able to accommodate high rainfall, high Rob floods due to seawater overflowing into coastal areas of the city. Based on the disaster data due to high rainfall, Research, Handling and Mitigation Planning is needed with the aim of obtaining data for drainage design. The study is the observation of rainfall for 2 years, 5 years, 10 years, and 20 years, so that by calculating the intensity of rain using the Gumbel and Pearson III Log distribution methods, accurate data is obtained to determine the drainage dimensions that must be made in a city and the dimensions of retaining walls along the coast to overcome storm disasters in coastal areas or big cities.
Pengaruh Kerapatan Gulma terhadap Pertumbuhan Odot (Pennisetum purpurem Cv. Mott) untuk Pakan Ternak Defri Taruna; Adhona Bhajana Wijaya Negara
JURNAL RISET RUMPUN ILMU TEKNIK Vol. 4 No. 2 (2025): Agustus : Jurnal Riset Rumpun Ilmu Teknik
Publisher : Pusat riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurritek.v4i2.6135

Abstract

Odot grass (Pennisetum purpureum cv. Mott) is widely recognized as a high-yielding and nutrient-rich forage crop, making it suitable for feeding ruminant animals. This study investigates how varying levels of weed density affect the growth performance and fresh forage yield of odot grass. The experimental design employed was a non-factorial Randomized Block Design (RBD) with four weed density treatments (0%, 35%, 70%, and 100%) and six replications for each treatment. Growth indicators measured included plant height, number of tillers, stem thickness, and total fresh biomass production. The results showed that weed density significantly influenced all measured parameters (p < 0.05). The absence of weeds yielded the highest forage production (19.32 tons per hectare), whereas full weed coverage (100%) led to a substantial reduction in yield by 15.53%. A strong inverse correlation was observed between weed density and forage yield, with a correlation coefficient of r = –0.97. These findings suggest that higher weed densities substantially hinder both the vegetative growth and biomass output of odot grass. Nevertheless, a moderate weed presence (35%) did not cause a statistically significant decrease in productivity, indicating a potential threshold for acceptable weed competition.
Identifikasi Perkembangan Lahan Terbangun di Kota Tanjung Pinang Tahun 2004-2024 Dea Rizky Saputri; Arie Afriadi; Nefriwati Hilmi; Aria Bagiasa Chidmahdjati; Hoki Apriyenson
JURNAL RISET RUMPUN ILMU TEKNIK Vol. 4 No. 2 (2025): Agustus : Jurnal Riset Rumpun Ilmu Teknik
Publisher : Pusat riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurritek.v4i2.6136

Abstract

The development of built-up land in Tanjungpinang City has demonstrated rapid spatial dynamics, in line with the increasing intensity of urban activities since its designation as the capital of Riau Islands Province in 2002. This study aims to analyze the changes in built-up land in Tanjungpinang City over the period 2003 to 2023 and to identify the key factors driving this transformation. The research employed spatial analysis based on Geographic Information Systems (GIS), utilizing satellite imagery maps from the years 2003, 2013, and 2023. The findings indicate that built-up land expanded from 1,133.91 hectares (8%) in 2003 to 3,848.67 hectares (26%) in 2023, with the predominant direction of expansion occurring toward the eastern and southern parts of the city. The primary factors contributing to this growth include population increase, the development of new activity centers such as Pulau Dompak, and the construction of major infrastructure, notably the development of DI Panjaitan streets. These results suggest a growing tendency toward urban sprawl in the physical development of Tanjungpinang City, thus requiring adaptive and sustainable spatial planning strategies.
Rancang Bangun Sistem Monitoring Cash Flow Menggunakan Metode Waterfall untuk Mempermudah Pelaporan di Sekolah Tinggi Teknologi Terpadu Nurul Fikri Amalia Amalia; Roro Mawar Amalia; Bambang Harie Wiyono; Adhari Cahya Mahendra; Betty Amalia
JURNAL RISET RUMPUN ILMU TEKNIK Vol. 4 No. 2 (2025): Agustus : Jurnal Riset Rumpun Ilmu Teknik
Publisher : Pusat riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurritek.v4i2.6031

Abstract

In line with the rapid advancement of digital technology, the need for an efficient, integrated, and technology-based financial management system has become  critical, particularly for educational institutions such as STT-NF. The manual management of financial reports, especially cash flow statements used spreadsheets continues to pose significant challenges, including the risk of data entry errors, delayed reporting, and the lack of real-time visibility into the institution's financial condition. This study aims to develop a web application for cash flow monitoring system using the waterfall methodology to address these issues. The waterfall model was selected due to its systematic and structured approach. The system was developed using ReactJS for the frontend, NodeJS for the backend, and PostgreSQL as the database management system. To verify system functionality, testing was conducted using the black box testing method. The results of the testing indicate that all developed features of the cash flow monitoring system functioned according to the specified requirements and operated optimally. Therefore, the system is expected to provide tangible benefits in supporting the performance of the Finance Department at STT-NF as well as the foundation, by enhancing real-time financial visibility and delivering accurate information to facilitate faster & more informed decision-making.
Capaian Warna Tinta Berbahan Dasar Pigmen Organik terhadap Tinta Acuan Cetak Saring Konvensional Galang Aryo Jati; Rachmah Nanda Kartika; Heribertus Rudi Kusumantoro
JURNAL RISET RUMPUN ILMU TEKNIK Vol. 4 No. 2 (2025): Agustus : Jurnal Riset Rumpun Ilmu Teknik
Publisher : Pusat riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurritek.v4i2.6144

Abstract

This study aims to evaluate the color of organic ink based on coffee grounds charcoal as an alternative to conventional ink in screen printing. The experimental method was conducted with three variations of pigment formulation and distilled water, namely: 15 gr & 41 ml, 20 gr & 45 ml, 25 gr & 49 ml). Testing of solid content levels and Lab values was carried out to determine color characteristics, as well as delta E calculations to compare with conventional inks. The results showed the highest solid content in the 20 g formulation, but the 15 g ink distribution produced the closest color to the reference ink due to better flow. In conclusion, proper material formulation is essential to achieve optimal color quality.
Analisis Perubahan pH Limbah Air Pencucian Plat setelah Pengujian Jar Test dengan Menggunakan Koagulan Tawas Priyadi Yahya; Rachmah Nanda Kartika; Yoga Putra Pratama
JURNAL RISET RUMPUN ILMU TEKNIK Vol. 4 No. 2 (2025): Agustus : Jurnal Riset Rumpun Ilmu Teknik
Publisher : Pusat riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurritek.v4i2.6146

Abstract

The impacts of wastewater (liquid waste) include contamination and pollution of surface water and other water bodies utilized by humans, as well as disruption to aquatic life. Wastewater generated from plate washing processes in offset printing industries contains toxic substances that can harm the environment, such as ink pigments, additives, alcohol, and other hazardous chemicals. This study aims to reduce the environmental impact caused by plate washing wastewater. The method used in this research is the Jar Test, which is commonly applied to evaluate the effectiveness of coagulants in water and wastewater treatment. Based on the findings, this method successfully reduced the Total Dissolved Solids (TDS) level by 18%. These results indicate that the use of alum as a coagulant has a significant effect on altering the chemical composition of the plate washing wastewater, thereby contributing to pollution reduction

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