Nanofluids are suspensions of nanoparticles with at least one dimension less than 100 nm. Al2O3-MWCNT/Aquades hybrid nanofluids with volume fractions of 0.2%, 0.4%, 0.6% have been successfully prepared. The preparation of nanofluid begins with the mixing process between the basic fluid of distilled water and hybrid nanoparticles Al2O3 + MWCNT and then the nanofluid is stirred using a magnetic s…