Abstrak. Air merupakan kebutuhan utama kehidupan manusia sehingga perlu pengelolaan dan pemanfaatan sumber air yang maksimal, Keberadaan air bersih (fresh water) dimanapun baik perkotaan dan pedesaan sangat penting karena ...

This study aims to determine the effect of temperature and volume fraction on heat transfer rate and heat transfer coefficient on concentric tube heat exhanger with nano ethylene glycol / TiO2 fluid. From the results of ...

Abstract. To investigate the effect of trapped gas and surface roughness, it is necessary to study more deeply the hydrophobic nature of a material which has a different surface roughness value. This research was ...

This study aims to determine the effect of temperature and volume fraction on heat transfer rate and heat transfer coefficient on concentric tube heat exhanger with nano ethylene glycol / TiO2 fluid. From the results of ...

The metal cutting process is the first step before the machining process is carried out so that the raw material in the form of sheet plates is designed according to the size planned for the manufacturing process. This ...