Figure 4From: Round-robin test on thermal conductivity measurement of ZnO nanofluids and comparison of experimental results with theoretical boundsThermal conductivity enhancement for the 3.0 vol.% and 5.5 vol.% ZnO nanofluids as a function of temperature. (a) Thermal conductivity enhancement data for 3.0 vol.% ZnO nanofluids. (b) Thermal conductivity enhancement data for 5.5 vol.% ZnO nanofluids.Back to article page