Thermodynamics Research Center / ThermoML | Journal of Chemical Thermodynamics

Measurement of the thermal conductivity of five aliphatic esters in the liquid phase

Song, Fenhong, Ju, Dapeng, Fan, Jing, Wang, Xiaopo, Wang, Gang
J. Chem. Thermodyn. 2019, 138, 140-146
ABSTRACT
Thermal conductivity is a very important transport property of fluids. In this work, the liquid thermal conductivity of five aliphatic esters (ethyl acetate, ethyl propionate, ethyl butyrate, ethyl pentanoate and ethyl hexanoate) were measured by transient hot-wire method at atmospheric pressure and with temperature range (249.13-348.46) K, (263.55-356.28) K, (268.57-363.52) K, (249.21-363.57) K, (254.29-383.37) K, respectively. It was estimated that the total relative standard uncertainty of the experimental results was smaller than 2% (in the 95% confidence level) and repeatability was better than +-0.5%. The liquid thermal conductivity results of the five esters were fitted as a polynomial function of temperature. The mean deviation and the maximum deviation of the fitted function from the experimental data of the five esters were 0.15% and 0.36% for ethyl acetate, 0.15% and 0.42% for ethyl propionate, 0.21% and -0.41% for ethyl butyrate, 0.21% and -0.42% for ethyl pentanoate, 0.32% and -0.69% for ethyl hexanoate, respectively.
Compounds
# Formula Name
1 C4H8O2 ethyl acetate
2 C5H10O2 ethyl propanoate
3 C6H12O2 ethyl butanoate
4 C7H14O2 ethyl pentanoate
5 C8H16O2 ethyl hexanoate
6 C2H6O ethanol
7 H2O water
Datasets
The table above is generated from the ThermoML associated json file (link above). POMD and RXND refer to PureOrMixture and Reaction Datasets. The compound numbers are included in properties, variables, and phases, if specificied; the numbers refer to the table of compounds on the left.
Type Compound-# Property Variable Constraint Phase Method #Points
  • POMD
  • 1
  • Thermal conductivity, W/m/K ; Liquid
  • Temperature, K; Liquid
  • Pressure, kPa; Liquid
  • Liquid
  • THOTW
  • 21
  • POMD
  • 2
  • Thermal conductivity, W/m/K ; Liquid
  • Temperature, K; Liquid
  • Pressure, kPa; Liquid
  • Liquid
  • THOTW
  • 20
  • POMD
  • 3
  • Thermal conductivity, W/m/K ; Liquid
  • Temperature, K; Liquid
  • Pressure, kPa; Liquid
  • Liquid
  • THOTW
  • 20
  • POMD
  • 4
  • Thermal conductivity, W/m/K ; Liquid
  • Temperature, K; Liquid
  • Pressure, kPa; Liquid
  • Liquid
  • THOTW
  • 21
  • POMD
  • 5
  • Thermal conductivity, W/m/K ; Liquid
  • Temperature, K; Liquid
  • Pressure, kPa; Liquid
  • Liquid
  • THOTW
  • 14
  • POMD
  • 6
  • Thermal conductivity, W/m/K ; Liquid
  • Temperature, K; Liquid
  • Pressure, kPa; Liquid
  • Liquid
  • THOTW
  • 4
  • POMD
  • 7
  • Thermal conductivity, W/m/K ; Liquid
  • Temperature, K; Liquid
  • Pressure, kPa; Liquid
  • Liquid
  • THOTW
  • 6