In
this work, the thermal conductivities of l-menthol–decanoic
acid (Men–DecA) deep eutectic solvents were measured with different
mole compositions using a transient hot-wire method. The measured
temperature range was 283.15–363.15 K, and the pressure was
up to 15.1 MPa. The relative expanded uncertainty of the obtained
data was estimated to be ±2% with a confidence level of 0.95
(k = 2). The linear thermal conductivity model was
used to correlate the experimental data as a function of the mole
fraction of decanoic acid, temperature, and pressure. The average
absolute relative deviation and the maximum absolute relative deviation
between the experimental values and the calculated results from the
model were 0.27 and 1.26%, respectively.