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Quantum Teknika
ISSN 2723-6684 · Universitas Muhammadiyah Yogyakarta · 97 artikel di indeks
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Artikel Jurnal
Pengolahan Intrusi Air Laut Menggunakan Sistem Hybrid Multistage Reverse Osmosis: Analisis Tds, Turbiditas, Dan Korelasi Kinerja Proses
Clean-water demand in coastal settlements has increased dependence on groundwater and may intensify water-quality deterioration caused by seawater influence, surface runoff, and local hydrogeological conditions. This study evaluates dug-well water quality in the South Depok Coastal area using Total…
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Artikel Jurnal
Optimasi Material Dan Desain Boogie Wheel Kendaraan Tempur Melalui Pendekatan Simulasi Berbasis Finite Element Analysis Studi Kasus: Tank AMX
The boogie wheel is an important component in the running gear system that receives repeated statistical and dynamic loads during vehicle operation in various terrains. However, the use of steel as the main material has limitations, including a relatively high mass, which contributes to an increase…
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Artikel Jurnal
Mechanical and Thermal Properties of Cellulose Nanofiber-Reinforced Polypropylene Composites Compatibilized with PP-g-MA
Polypropylene is widely used in the automotive industry because it is lightweight, inexpensive, and easy to process, but it has limitations, including relatively low mechanical properties and a tendency to shrink. Cellulose nanofiber is used as an environmentally friendly reinforcement with high…
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Artikel Jurnal
Pengaruh Kecepatan Putaran Menggunakan Pahat Karbida Tungsten Kobalt 6% terhadap Frekuensi Getaran dan Kekasaran Permukaan Baja ST 37
This study aims to analyze the effect of rotational speed variations in the turning process using 6% cobalt tungsten carbide chisels on the vibration frequency and surface roughness of ST 37 steel. Tests were conducted using a conventional lathe with five rotational speed variations: 350 rpm, 400…
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Artikel Jurnal
Effect of Pressure on Frequency Stability and Regulator Response in an LPG-Fueled Generator Set
The increasing demand for electrical energy has led to the extensive use of generator sets as backup power sources, particularly in areas with unstable grid supply. However, conventional generator sets operating on petroleum-based fuels are associated with low efficiency and high exhaust emissions…
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Artikel Jurnal
Pengaruh Bentuk Geometri Papan Komposit Serbuk Kayu Terhadap Serapan Bising Ruang
This study aims to analyze the effect of variations in surface geometry on the acoustic performance of composite boards made from jackfruit sawdust waste. The material was combined with urea-formaldehyde adhesive and catalyst, then processed using a hot-press method at 160°C and 60 tons. The…
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Analisis SFC Campuran Biodiesel B35 Beraditif Imagina pada Mesin PLTD Luwuk Eksperimental Kinerja Energi
The use of B35 biodiesel in diesel engines often faces constraints related to performance and component durability, necessitating additives to improve fuel performance. Imagina® Dex Ultimate is an essential oil-based additive claimed to improve stability, cetane number, and lubrication properties…
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Artikel Jurnal
Analisa Kinerja Mesin Freezer Kapasitas 100 Liter dengan Penambahan Subcooler untuk Proses Pembekuan Es Batu
The independent demand for ice by coastal communities and small-scale business operators is commonly fulfilled using small-scale freezer units. The cooling prici performance is a critical parameter for evaluating operational effectiveness and energy efficiency. This study evaluates the performance…
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Artikel Jurnal
Pengaruh Penambahan Octane Booster Pada Bahan Bakar Terhadap Emisi Gas Buang Kendaraan Bermotor Empat Langkah 150cc
The increasing demand for motorcycles in Indonesia has contributed to rising air pollution, particularly from exhaust emissions such as CO, HC, CO₂, and O₂. This study aims to investigate the effect of adding Octane Booster to Pertamax fuel on reducing harmful emissions from 150cc four-stroke…
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Artikel Jurnal
Experimental Study of Drying Fruits and Vegetables Using The Freeze Drying Method With The Aim of Maintaining The Nutrition and Effectiveness of Processed Products
The potential of natural resources in tropical countries is very diverse. one of them is the abundant agricultural products. but there are some obstacles in the post-harvest cycle and the continuous availability when the harvest season ends. various methods of preserving agricultural products have…
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Artikel Jurnal
Pengaruh Plugging Terhadap Kinerja High Pressure Heater Tipe Shell and U-Tube Heat Exchanger (Studi Kasus: Unit 1- 4 di PT ABC)
High Pressure Heater (HPH) is an auxiliary component used to be required in regenerative steam power plants. The component is a heat exchanger utilized to enhance the power plant’s efficiency by enabling high pressure heating process for feedwater before entering the economizer in boiler using bled…
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Analisa Pengaruh Preheating dan Post Weld Quench terhadap Kekuatan dan Struktur Mikro Baja S45C dengan Pengelasan Shielded Metal Arc Welding
In many industrial contexts, steel is an everyday material. The technique of attaching metal parts using heat energy, known as welding, is something we encounter often; S45C is one of several steels that are used in machine construction. Protected metal arc welding is one type of welding that we…
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Artikel Jurnal
Analisis Beban Pendinginan di Ruang Kelas F212 Institut Teknologi Sumatera
Cooling load analysis in the classroom is carried out to support a comfortable learning process. Determining the cooling load is the foundation for planning an air conditioning system for a room. From the results of this determination, the capacity of the AC machine device used can be estimated…
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Artikel Jurnal
Analisis Variasi Waktu Perendaman Deep Cryogenic Treatment dan Aging terhadap Pengujian Kekerasan pada Aluminium 6061
Aluminum alloys are used more in industry due to its light weight, corrosion resistance, high strength, hardness, and recycling. This study examines the microstructure and hardness of 6061 aluminum alloy treated with Deep Cryogenic Treatment for 2, 12, 24, and 48 hours, followed by 1 hour of 1500C…
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Artikel Jurnal
Perancangan Pola Pengecoran Clamping Connector untuk Listrik Tegangan Tinggi
The development of casting patterns for clamping connectors used in high-voltage electrical applications is the primary focus of this research. The study aims to design both the product and the clamping connector patterns, produce prototypes, and test the effectiveness of the casting process using…
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Artikel Jurnal
Analisis Aliran Udara Dalam Ruangan Anyelir Rumah Sakit dr. Gunawan Mangunkusumo Menggunakan Computation Fluid Dynamics
Hospitals are places that are vulnerable to the spread of disease, especially through air flow. Good air flow in hospital rooms can help reduce the spread of disease. This study aims to analyze the air flow in the Carnation room at Dr. Hospital. Gunawan Mangunkusumo using the Computation Fluid…
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Artikel Jurnal
Pengaruh Parameter Proses 3D Printing Tipe FDM Terhadap Kekasaran Permukaan Produk Menggunakan Filament Acrylonitrile Butadiene Stryene
A recent development in the manufacturing sector is 3D printing technology. through the direct conversion of 3D computer-aided design (CAD) data into a tangible prototype using the concepts of additive manufacturing. The way that 3D printing technology constructs a prototype is layer by layer…
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Artikel Jurnal
Press Machine 3in1 Design: Grinding, Squeezing, and Filtering Machine
This study presents the design, development, and performance evaluation of a 3-in-1 press machine that integrates grinding, squeezing, and filtering processes for the production of traditional herbal medicine (jamu). The primary objective is to enhance processing efficiency, sanitation, and…
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Artikel Jurnal
Analisis Pengaruh Intensitas Cahaya Terhadap Pengisian Baterai Sprayer Hybrid Menggunakan Panel Surya Dengan Metode Fuzzy Logic
The use of electric sprayers for pesticide application in Jipang Village, Blora, faces challenges due to battery dependency, often leading to inefficiencies when batteries deplete mid-operation. This study evaluates the performance of a hybrid sprayer integrated with a 10W monocrystalline solar…
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Artikel Jurnal
Analisis Pengaruh Tekanan dan Suhu Sirkulasi Pendingin pada Kompressor Oksigen Bertekanan Tinggi 2000 PSI/150 Bar
High‑pressure oxygen compressors are vital assets in hospitals to ensure continuous medical oxygen supply. The gas compression process generates considerable heat, which, if not properly controlled, can reduce efficiency and damage components. This study analyzes the effect of increasing pressure…