Browsing Doctoral Dissertations by Advisor "Ilmi"
Now showing items 1-2 of 2
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Kajian Performansi Mesin dan Laju Korosi Biodiesel dari Campuran Minyak Goreng Bekas (WCO), Minyak Kesambi dan Minyak Solar
(Universitas Sumatera Utara, 2023)Biodiesel from Used Cooking Oil has disadvantages, such as low oxidation stability during storage and poor cold flow properties. These poor physicochemical properties can be corrected in various ways, such as mixing with ... -
Kajian Sistem Pendingin Ruangan dengan Atap Kolektor Matahari (Study of Room Cooling Systems with the Solar Collector Roof)
(Universitas Sumatera Utara, 2024)The cooling tank is a heat exchange device whose working fluid is water, and air functions to cool the water through direct contact with the air, causing a small portion of the water to evaporate. This water will flow ...