Department of Agricultural Engineering and Biosystem: Recent submissions
Now showing items 1-20 of 1108
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Kajian Perbedaan Tekstur Tanah Aluvial Terhadap Perkolasi dan Ketersediaan Air tanah
(Universitas Sumatera Utara, 2025)This study aimed to analyze the effect of different alluvial soil textures on physical properties, particularly percolation rate and water availability. The soil samples consisted of Aluvial 1 (sandy loam: sand 66%, silt ... -
Kajian Variasi Jumlah Reaktor terhadap Mutu Biodiesel pada Produksi Biodiesel Non-Katalitik Menggunakan Static Mixer
(Universitas Sumatera Utara, 2025)The demand for fossil-based fuels continues to increase in line with growing transportation and mobility activities, which contribute to global warming. Biodiesel, as an environmentally friendly renewable fuel, can be ... -
Rancang Bangun Alat Pengering Kolektor Surya dengan Reflektor Parabola Menggunakan Kipas dan Solar Panel untuk Peningkatan Efisiensi Pengeringan
(Universitas Sumatera Utara, 2025)This study aims to design, construct, and test a solar dryer system equipped with a solar collector featuring a parabolic reflector and a fan powered by a solar panel to enhance the drying efficiency of turmeric (Curcuma ... -
Modifikasi Tabung Sangrai pada Alat Penyangrai Kopi Tipe Rotari
(Universitas Sumatera Utara, 2025)Coffee roasting is a post-harvest process that plays an important role in determining the flavor quality of brewed coffee. Small-scale coffee roaster with economical prices and short roasting times are rarely available. ... -
Pengaplikasian Sistem Pengendali Kelembaban Udara pada Kumbung Jamur Tiram Berbasis Arduino
(Universitas Sumatera Utara, 2025)Mushroom growth requires ideal temperature and air humidity to achieve more optimal development. Therefore, an automatic air humidity control system is needed to assist mushroom farmers in the watering process. In a previous ... -
Pengaruh Metode Pengolahan Kopi Menggunakan Proses Natural, Fullwash Dan Wine Terhadap Karakteristik Fisikokimia Dan Cupping Test Kopi
(Universitas Sumatera Utara, 2025)Arabica coffee is a type of coffee that is very popular among consumers and has high economic value. Coffee quality is an important factor and a key requirement for increasing the global coffee demand. Postharvest processing ... -
Analisis Perbandingan Metode Pengeringan Biji Kakao Secara Mekanis, Sun-Dried dan Hybrid Terhadap Karakteristik Fisik dan Kimiawi Kakao
(Universitas Sumatera Utara, 2025)Indonesian cocoa has a relatively low quality, as indicated by the total export of fine cocoa beans that only 10%. Proper cocoa processing is therefore essential to improve the cocoa quality, and the drying process is one ... -
Studi Dampak Variasi Suhu Penyangraian Terhadap Cita Rasa Biji Kopi Arabica (Coffea Arabica)
(Universitas Sumatera Utara, 2025)Coffee roasting is a crucial stage in determining the final quality of coffee brewing. In the roasting process, temperature and time are the main factors that affect the quality of roasting results. Likewise with Dairi ... -
Pengaruh Penambahan Cengkeh terhadap Cita Rasa Kopi Robusta (Coffea Canephora) dengan Uji Organoleptik
(Universitas Sumatera Utara, 2025)Robusta coffee is one of the most widely consumed types of coffee, but its bitter taste and strong aroma often lead consumers to seek innovative alternatives to improve the sensory quality. One on the way is the addition ... -
Implementasi Sensor Kelembapan Tanah dan Suhu Ruangan dalam Sistem Pengendalian Otomatis Berbasis Internet of Things Untuk Rumah Kaca
(Universitas Sumatera Utara, 2025)Optimal greenhouse environmental management is essential in increasing agricultural productivity. Manual control of soil moisture and room temperature is often inefficient and prone to errors. This study develops an Internet ... -
Analisis Pengaruh Variasi Waktu Pemanggangan Terhadap Kualitas dan Karakteristik Biji Kopi Arabika Mandailing
(Universitas Sumatera Utara, 2025)The uniqueness of Mandailing Coffee flavor is influenced by the genetic factors of the plant, the growing environmental conditions, and post-harvest techniques including the roasting process. Likewise in Arabica Mandailing ... -
Rancang Bangun Alat Pendingin Hasil Sangrai Kopi
(Universitas Sumatera utara, 2025)The cooling process of roasted coffee is very important and affects the aroma and taste of coffee. Conventional cooling process by letting the roasted coffee in the open air takes a long cooling time, causing further burning ... -
Uji Kinerja Elektroda pada Biobaterai Berbasis Limbah Kelapa Berdasarkan Variasi Senyawa Aktivator Karbon
(Universitas Sumatera Utara, 2025)Biobattery is one of the environmentally friendly innovations that can store energy by utilizing organic materials as a source of energy. This research aims to determine the effect of activator variation, biomass variation ... -
Desain Alat Pengupas Kulit dan Inti Nanas (Ananas comosus L.) dengan Sistem Pneumatik
(Universitas Sumatera Utara, 2025)Pineapple (Ananas comosus L.) is a tropical fruit extensively consumed and processed into various food products. Manual peeling of pineapple skin and core is labor-intensive, time-consuming, and poses occupational safety ... -
Pembuatan Alat Pengering Biji-Bijian Tipe Hibrida Skala Industri Rumahan
(Universitas Sumatera Utara, 2026)Drying was a very important and complex process for extending the shelf life of agricultural products, particularly grains. Generally, drying machines used heat generated from artificial heaters. Subsequently, a conceptual ... -
Uji Kinerja Alat Pengering Biji Bijian Tipe Hibrida Skala Industri Rumahan
(Universitas Sumatera Utara, 2025)Traditional paddy drying methods face challenges related to efficiency and quality. This study aims to evaluate the technical performance and economic feasibility of a hybrid-type grain dryer designed for household-scale ... -
Pengaruh Variasi Ukuran Puli Dan Kadar Air Panen Kedelai Terhadap Mesin Pemecah Dan Pengupas Kulit Ari Kedelai (Glycine Max L.)
(Universitas Sumatera Utara, 2025)In Indonesia, soybeans hold an important position as a food commodity after rice and maize. This study aims to determine the effect of variations in pulley size and soybean harvest moisture content on the performance of ... -
Uji Variasi Putaran Gear Roda Pendorong Pada Alat Pengutip Brondolan Kelapa Sawit (Elaeis guineensis Jacq.) Mekanis
(Universitas Sumatera Utara, 2025)A mechanical oil palm loose fruit (Elaeis guineensis Jacq.) picking tool is designed to collect loose palm fruits left behind in processing facilities or sorting areas. Using the tool in its previous state was quite tiring, ... -
Kajian Jenis Penghantar Panas dan Waktu Penyinaran Sinar Matahari terhadap Efektivitas Termoelektrik Generator
(Universitas Sumatera Utara, 2025)ICHSANUL QODIR SIREGAR, Study of Heat Conductor Types and Sunlight Exposure Time on the Effectiveness of Thermoelectric Generators. Supervised by RISWANTI SIGALINGGING. Thermoelectric is a technology that converts heat ... -
Kajian Variasi Umur Tanam terhadap Bio Listrik yang Dihasilkan oleh Media Tanam Kelapa Sawit (Elaeis guineensis Jacq.)
(Universitas Sumatera Utara, 2025)With economic development and changing lifestyles, energy consumption increases annually, including in the palm oil industry. To address this situation, environmentally friendly alternative energy sources are needed to ...