Limestones is a main material for making of cement vvhich process of production had noticed, especially limestones reduction process in Limestone Cruhset Unit at PT. Semen Baturaja (Persero), Tbk t…
Energy in fluid flow in pipes can be lost due to various factors. These losses can occur due to friction with pipe walls, changes in cross-sectional area, joints, valves, bends, branching, and othe…
Pipes are important components in fluid conduit systems, which are used to move different types fluids from one place to another. The efficiency of a fluid conduit system can be improved by careful…
The issue of increasing electricity consumption and supply needs in Indonesia is becoming more complex, particularly because this archipelagic country has many small islands far from the larger one…
The Kertalaya train transports passengers from Palembang to Indralaya. This train has stopped operating since 2019 because it does not receive maintenance from the government. A study that discusse…
Increasing productivity in the agricultural industry, especially in the fruit sorting process, requires an effective and accurate automated system. This research develops an automatic sorting syste…
This study aims to analyze the effect of adding HHO gas on the performance of a 4-stroke motorcycle engine using Pertamax fuel. The study was conducted using a wet cell type HHO generator and a 125…
Telah dirancang sebuah alat yang berfungsi memberikan peringatan untuk mengganti filter cartridge air ketika filter dalam kondisi kotor. Penelitian ini menggunakan dua jenis filter cartridge, yaitu…
The 2021 Indonesia Nutrition Status Survey (SSGI) shows that the stunting rate in Indonesia remains high at 24.4 percent, significantly higher than the target set in the 2020–2024 National Medium…
The utilization of the internet in Indonesia is dominated by young people, specifically those aged 13-18 years (99.16%) and 19-34 years (98.64%), who use the internet for various purposes such as l…
Leaks in the formation or casing of an oil well are common issues that can lead to a decrease in well production. One way to address this issue is by performing squeeze cementing work. This researc…
The thresher machine plays an important role in palm oil processing as it functions to separate palm fruits from their bunches. This study designs a small-capacity thresher machine to make it acces…
Waste of cassava peel in large amount can give bad effect for environment. The waste of cassava peel can be used as renewable energy feedstock because of its role as an environmentally friendly bio…
Nanofluid is a suspension containing nanoparticles or a fluid with nanoparticles dispersed in it. The addition of surfactants to nanofluids aims to increase the dispersion properties of particles b…
Based on petrographic analysis, the research studies the limestone diagenesis of Ngrayong Member of the Tuban Formation, Kayen Region, Bancar District, Tuban Regency, East Java. Ngrayong a Member o…
Hydrogen Hydrogen-Oxygen (HHO) gas is a renewable energy source that is gaining attention as a potential substitute for fossil fuels. HHO can be derived from water (H₂O) through a process called …
This study investigates the effect of blade length on the efficiency and power output of a pico-scale Turgo turbine to address a significant gap in the existing literature regarding the optimal run…
Permintaan pasar akan batubara semakin lama semakin meningkat, sedangkan masalah yang dihadapi saat ini produksi batubara dari penambangan belum dapat memenuhi permintaan pasar. Pada PT Danau Mas H…
PT. Semen Padang merupakan perusahaan semen nasional yang memiliki area pertambangan batu gamping di bukit karang putih, Indarung, Sumatera Barat. Batu gamping merupakan bahan baku utama untuk pemb…
Kegiatan penambangan batu kapur yang dilakukan oleh PT. Semen Baturaja (Persero), Tbk dengan menggunakan metode tambang terbuka, dimana sistem pengerjaannya dilakukan dengan sistem quarry, sehingga…
In development of a robot that can follow human movements automatically. This project uses Arduino Uno as main microcontroller platform to integrate ultrasonic sensors and infrared sensors. Ultraso…
PT. Arutmin Indonesia Tambang Kintap melakukan kegiatan penambangan dengan sistem tambang terbuka dengan metode open cut, Sebagai konsekwensinya maka aktivitas penambangan sangat dipengaruhi oleh k…
Container crane is a hoisting machine that is used in the port area to remove the Container frorn ship to dock or otherwise. This thesis conduct the distribution of stress , strains . and displacem…
Abstract Aluminum is a shiny silvery-white metal with high electrical conductivity. One type of aluminum commonly used in aircraft is AA6061. This research investigates the effect of T6 heat treatm…
The material plays an important role in everyday life, with aluminum alloy 6061 being one of the most widely used materials, particularly in the automotive and aerospace industries, due to its supe…
Tectonically, the research area is located in the South Sumatra Basin. The South Sumatra Basin is known as a complex geological area. In general, the research area is located in the Early Postrift …
Tectonically, the research area is located in the South Sumatra Basin. The South Sumatra Basin is known as a complex geological area. In general, the research area is located in the Early Postrift …
This research aims to develop a more advanced, efficient, hygienic, and environmentally friendly fish drying device. Traditional drying methods commonly used in Indonesia, such as sun-drying fish i…
Fly ash is waste from incineration in the form of ash. The silica contained in this ash is processed into nanosilica which is useful for increasing the compressive strength of concrete. In this stu…
Wind energy is an alternative to the use of fossil energy, where the use of fossil energy at this time can be said to be excessive and also the supply of fossil energy sources is increasingly deple…