Pengaruh nata de coco terhadap drag reduction dan degradasi pada aliran pipa spiral segi lima = The influence of nata de coco on drag reduction and degradation in the pentagon spiral pipe flow

Hambatan gesek aliran lumpur dalam pipa 1/2 " dan pipa spiral p/DI = 4,3 = Drag reduction on mud slurry in circular pipe and spiral pipe P/Di = 4,3

Analisis karakteristik serat sabut kelapa terhadap pengurangan hambatan pada aliran dalam pipa bulat dan pipa spiral = Analysis of coconut fiber characteristic on drag reduction in circular and spiral pipe

Pengaruh larutan serat (fiber) daun pandan terhadap koefisien gesek aliran dalam pipa spiral = Effect of pandan (fiber) to drag reduction in circular pipes

Drag reduction aliran crude oil dengan aditif (CMC) dan suspensi fiber bacterial cellulose dalam pipa bulat dan spiral = Drag reduction of crude oil flow with (CMC) additive and bacterial cellulose fiber suspensionin circular and spiral pipes