... Enhancements of thermal conductivities with Cu, CuO, and carbon nanotube nanofluids and application of MWNT /water nanofluid on a water chiller system Nanoscale Research Letters 2011 6:297 Submit your manuscript ... factors on thermal conductivity and stability of CNT /water nanofluids, including nanoparticle size and concentration, surfactant type and concentration, pH, temperature, power of ultrasonication and ... the comparison of cooling capacity rate between water base fluid and MWNT /water nanofluid, one can see that the cooling capacity of MWNT /water nanofluid is higher than that of water base fluid...