Department of Mechanical Engineering: Recent submissions
Now showing items 41-60 of 1109
-
Analisis Emisi Dan Kinerja Mesin Otto Stasioner Pada Penggunaan Campuran Bahan Bakar Pirolisis Batu Bara Dan Pertalite
(Universitas Sumatera Utara, 2025)This study analyzes emissions and the performance of a stationary Otto engine using a fuel blend of coal pyrolysis oil (coal oil) and Pertalite as an alternative fuel. Coal oil, produced from coal pyrolysis, has a calorific ... -
Studi Eksperimental Analisa Pengereman Mobil Vios
(Universitas Sumatera Utara, 2025)This study evaluates the performance of the front disc brake system on a Toyota Vios through an experimental comparison of conditions before and after servicing (service brake). Tests were conducted at speeds of 10 km/h, ... -
Uji Eksperimental Performa Mesin Diesel Stasioner Dengan Bahan Bakar Campuran Biodiesel Ampas Kopi, Bahan Aditif, Dan Solar Pada Variasi Beban Dan Konsentrasi (B40, B50, B60)
(Universitas Sumatera Utara, 2025)This study aims to evaluate the performance of a stationary diesel engine using a blended fuel composed of coffee grounds-based biodiesel, Liqui Moly additive, and diesel. Tests were conducted at three blend concentrations—B40, ... -
Menentukan Koefisien Nilai A0,A1 dan K dari Perhitungan Fraksi Radiasi Menggunakan Metode Curve Fitting
(Universitas Sumatera Utara, 2025)Solar radiation is a key factor in solar energy calculations, essential for various applications, particularly in solar power generation systems. This study estimates the parameters a₀, a₁, and k used in the solar ... -
Pengaruh Penambahan Zat Aditif Anti Smoke Terhadap Performa Dan Emisi Buang Mesin Diesel
(Universitas Sumatera Utara, 2025-07-15)Rapid technological development and growth in the transportation sector have increased energy demand, where diesel engines are the primary choice due to their high thermal efficiency. However, the use of diesel engines ... -
Studi Eksperimental Karakteristik Pembakaran Dan Pengaruh Bioethanol Tebu Terhadap Kinerja Mesin Stasioner
(Universitas Sumatera Utara, 2025)Increasing carbon emissions from the transportation sector have driven the search for more environmentally friendly alternative fuels. Sugarcane bioethanol stands out as a potential renewable energy solution, particularly ... -
Sintesis dan Karakterisasi Biopelumas Aloe Vera dan Minyak Kelapa Sawit untuk Mesin Bubut CNC
(Universitas Sumatera Utara, 2025)Environmental concerns regarding mineral-based lubricants have driven the development of eco-friendly alternatives such as biolubricants. This study aims to synthesize and characterize a biolubricant derived from palm ... -
Rancang Bangun Pengering Cabai Tenaga Surya Tipe Kolektor Pelat Datar Sistem Tertutup Dengan Kontrol Kelembapan Menggunakan Desikan Kapasitas 2 Kg
(Universitas Sumatera Utara, 2025)This study aims to design and build a solar-powered chili dryer using a flat plate collector type with a closed system and humidity control, having a capacity of 2 kg. The dryer utilizes solar radiation absorbed by a ... -
Energy Analysis Heat Flow and Distortion Induced By Gas Metal Arc And Laser Welding
(Universitas Sumatera Utara, 2025)This study investigates angular distortion and thermal efficiency in welded joints through Finite Element Method (FEM)-based Virtual Manufacturing (VM) simulation and experimental validation. Two types of welding ... -
Analisis Eksergi Kondensor pada Destilasi Produksi Bioetanol dari Tandan Kosong Kelapa Sawit
(Universitas Sumatera Utara, 2025)The increasing energy demand in Indonesia, coupled with the decline in fossil fuel reserves, has driven the search for sustainable alternative energy sources, one of which is biomass-based bioethanol. Oil palm empty fruit ... -
Pengaruh Penambahan Magnesium Terhadap Struktur Mikro dan Nilai Kekerasan pada Pengecoran Alumunium dengan Metode Sand Casting
(Universitas Sumatera Utara, 2025)This research aims to determine the effect of magnesium (Mg) addition on the microstructure, hardness value, and impact properties of aluminum casting using the sand casting method. The variations of magnesium addition ... -
Analisis Eksperimental Pengaruh Variasi Head Terhadap Efisiensi Pump As Turbine (Pat)
(Universitas Sumatera Utara, 2025-07-08)The utilization of renewable energy is a crucial solution in addressing energy crises and climate change. One promising alternative technology is the use of pumps as turbines (PAT), which offers low-cost and easy-to-install ... -
Studi Eksperimental Evaluasi Karakteristik Operasional Pompa Yang Digunakan Sebagai Turbin Dengan Pembebanan Elektrik
(Universitas Sumatera Utara, 2025-07-08)The growing demand for electricity has driven the development of efficient and economical alternative energy sources. One emerging technology is the use of pumps operating in reverse as turbines (Pump as Turbine/PAT), ... -
Analisa Termodinamika Proses Konversi Tandan Kosong Kelapa Sawit (TKKS) Menjadi Syngas Kaya Hidrogen Melalui Sistem Pirolisis yang Terkoneksi Gasifikasi Menggunakan Simulasi Aspen Plus
(Universitas Sumatera Utara, 2025)The growing demand for energy has encouraged the development of renewable energy technologies, including the utilization of biomass waste such as Empty Fruit Bunches (EFB). This study aims to analyze the thermodynamic ... -
Studi Eksperimental Alat Pengering Cabai Tenaga Surya Kolektor Plat Datar dengan Sistem Tertutup dan Menggunakan Desikan Cair Cacl2 50% dengan Kapasitas 2kg
(Universitas Sumatera Utara, 2025)Drying chili peppers using solar energy is the most commonly used drying method. The drying temperature for this conventional method typically ranges from 32°C to 38°C, and the drying time ranges from 8 to 10 days until ... -
Simulasi CFD Perpindahan Panas Pada Pendingin Panel Surya Menggunakan Metode Thermosiphon Dan Panel Surya Terapung
(Universitas Sumatera Utara, 2025)The temperature increase in floating photovoltaics (FPV) leads to a decrease in PV efficiency. Several studies have proposed the performance of passive thermosiphon cooling systems, including the performance of natural ... -
Studi Pengaruh Sn dan Tekanan Kompaksi Terhadap Karakteristik (Cunimn) Medium Entropy Alloy Disintesis Menggunakan Metode Metalurgi Serbuk
(Universitas Sumatera Utara, 2025)This study aims to analyze the effect of tin (Sn) addition and compaction pressure variation on the mechanical properties of CuNiMn alloys synthesized using powder metallurgy method. Cu, Ni, Mn, and Sn powders were mixed ... -
Pengaruh Variasi Tekanan Kompaksi Terhadap Karakteristik (Cunimn)-Xal Medium Entropy Alloy Menggunakan Teknik Metalurgi Serbuk
(Universitas Sumatera Utara, 2025)This study investigates the effect of compaction pressure variation on the characteristics of (CuNiMn)-xAl medium entropy alloy (MEA) synthesized using the powder metallurgy technique. The research aims to evaluate how ... -
Studi Eksperimental Pengaruh Kondisi Permukaan Jalan Terhadap Perilaku Keseimbangan Roda Mobil Ring 14 pada Proses Balancing
(Universitas Sumatera Utara, 2025)This study is an experimental study aimed at analyzing the effect of variations in road surface conditions on the wheel balance behavior of light vehicles with Ring 14 rim specifications in the dynamic balancing process. ... -
Analisis Eksperimental Dan Simulasi Pengaruh Panas Matahari Terhadap Kondensor Air Conditioner (AC) Split 1 PK
(Universitas Sumatera Utara, 2025)Air Conditioner (AC) uses a vapor compression system with four main components, namely compressor, condenser, expansion device, and evaporator. The condenser in the outdoor unit of the split AC functions to continue the ...