Penggunaan kendaraan bermotor di Indonesia sangat tinggi sehingga berdampak pada kelangkaan bahan bakar fosil. Salah satu alternatifnya menggunakan bahan bakar campuran etanol. Pengujian dilakukan …
Pemerintah telah meluncurkan gas LPG dengan kapasitas 12 kg untuk menggantikan penggunaan minyak tanah di kalangan masyrakat. Kegagalan yang diakibatkan oleh kebocoran gas elpiji yang memicu ledaka…
PT. Cinta Manis continues to increase production to achieve the highest target so that the needs of the population in this case sugarcane can met by milling stations. This can be noticed from the s…
Indonesia has great potential of wind energy. With wind velocity that averagely low, wind turbine installation in Indonesia should have a design (shape and rotor geometry, height and turbine width,…
Steel is a very vital need, this can be seen from the increasing number of construction machine/equipment components made of steel. This study aims to determine the effect of acid solution on the c…
The need for electrical energy continues to increase due to population growth, economic growth, and the pattern of energy consumption itself. The current depletion of fossil energy materials is one…
The 3D printing process requires an input material in the form of plastic filaments. In a printing system, it requires a printer, this printer prints the file format contained on a PC or computer, …
Dunia menghasilkan 2,01 miliar ton limbah padat setiap tahunnya sedangkan sampah plastik merupakan salah satu limbah yang dapat mengakibatkan pencemaran pada lingkungan. Sebagai salah satu metode s…
Geopolymer concrete is a type of concrete in which the use of portland cement as a binder in the concrete mix can be partially or completely replaced with coal combustion waste such as fly ash. An …
The growth and development of the global economy makes a significant contribution resulting in increasingly uncontrolled disposal of wastewater which results in increasing environmental problems as…
Sandwich panels were created to achieve optimal weight efficiency with high rigidity and strength. The main factor in Sandwich Panel material is the lightweight core, which reduces the specific gra…
This research is an experimental research with the aim of knowing the effect of quenching heat treatment on inorganic rust retardants from various oil solutions on the corrosion rate of ST 37 steel…
This study aims to determine the effect of cutting parameters on screw geometry in the turning process. Data was collected using descriptive analysis techniques. The results showed that the differe…
Zat tanin merupakan salah satu jenis inhibitor yang dapat digunakan untuk menghambat laju korosi, salah satu jenis inhibitor alami yaitu teh. Inhibitor yang digunakan dalam penelitian ini ada dua j…
Corrosion is material damage due to electrochemical reactions between the material and its environment. This study used medium carbon steel A36 as a test specimen, mango Mangifera foetida leaves as…
Metode penelitian yang digunakan pada penelitian ini adalah metode eksperimen yang bertujuan untuk menguji pengaruh dari media pendingin Tubeless tire fluid terhadap laju korosi yang telah melalui …
The stainless steel material reservoir tube can produce combustion steam from the heating furnace which can be used as quality in knife tools. The research objective was to determine the effect of …
Normalizing is the process of heating steel to the austenite phase, and cooling it in open air to 27°C. Thus causing the structure in the material to change initially due to loading. In this study…
Steel is a metal alloy whose main component is iron with carbon as the main alloying agent. Medium carbon steel is a metal that is often used in the manufacture of construction machinery, in this c…
Exergy analysis is the first step in optimizing a system by knowing the level of efficiency and the irreversibility value of a component, involving the first law and second law of thermodynamics so…
Cases of bone damage due to disease, incidence, or age factor is increasing increases, the demand for bone implants also increases. Limited bone donors and expensive synthetic materials are no long…
Kendaraan dinilai memiliki peran penting terhadap pertumbuhan ekonomi suatu wilayah. Oleh karena itu, upaya dalam pengembangan industri kendaraan terus dilakukan seperti dengan meningkatkan kinerja…
In the modern era as it is today, the advancement of technology is growing rapidly, these technological advances are no longer just in the electronics field. Along with the development of science, …
Radiator merupakan alat heat exchanger yang terdapat pada kendaraan yang digunakan untuk mendinginkan fluida pendingin (coolant) yang berfungsi sebagai penyerap panas yang berasal dari mesin untuk …
Vehicles are the main sector that is a supporting factor for the growth of the economy in a country. As the number of vehicles increases, the amount of fossil energy used will also increase. The wa…
Konveksi merupakan proses perpindahan energi kerja gabungan antara konduksi panas, penyimpanan energi, dan gerakan mencampur. Konveksi yang disebabkan oleh suatu alat dari luar seperti pompa sebaga…
Ketergantungan masyarakat pada plastik menyebabkan penumpukkan sampah plastik yang berlebih terutama ketergantungan plastik jenis LDPE yang salah satunya kantong kresek sebagai alat bantu membawa b…
The manufacturing process using the 3D printing method is now growing very rapidly. This technology has the advantage of being able to create complex geometries from various types of materials rang…
The potential of renewable energy in Indonesia is so abundant that it is profitable and as a provision in realizing national energy security. However, the lack of use of NRE for electricity is due …