Pengurangan hambatan kapal modelmonohull katamaran dan trimaran dengan pelekatan biopolimermonopterus albus (lendir belut) pada dinding kapal = Resistance reduction of monohull catamaran and trimaran ship models through attachment of monopterus albus biopolymer on the ship hulls

Penurunan Kerugian Jatuh Tekanan Pada Pipa Kasar k/D 0,04 Sebagai Efek Penambahan Bio Polimer Xanthan Gum = Pressure Drop Reduction in Rough Pipes k/D 0,04 As the Effect of Addition Bio Polimer Xanthan Gum

Limiting maximum drag reduction asymptote for the moment coefficient of an enclosed rotating disk with fine spiral grooves

Pengurangan hambatan aliran minyak bumi mentah menggunakan surfaktan pada pipa spiral segilima = Drag reduction by surfactant of crude oil flow in pentagon spiral pipe

Pengurangan tahanan total pada model kapal selam menggunakan edible coating pada kulit tomat dengan variasi lokasi pengecatan (Lx/L) = Reduction of total resistance on submarine model by edible coating of tomato skin with various location of coating (Lx/L)