Thermal effects in high density polyethylene and low density polyethylene at high hydrostatic pressures
Copyright policy )Thermal effects in high density polyethylene and low density polyethylene at high hydrostatic pressures
The temperature changes as a result of rapid hydrostatic pressure applications are reported for high density polyethylene (HDPE) and low density polyethylene (LDPE) in the reference temperature range from 298 to 423 K and in the pressure range from 13.8 to 200 MN m−2. The adiabatic temperature changes were found to be a function of pressure and temperature. A curve fitting analysis showed that the empirical curve (∂/∂P) =ab(ΔP)b−1 described the experimental thermoelastic coefficients obtained from the experiments. The data were analyzed by determining the predicted thermoelastic coefficients derived from the Thomson equation (∂/∂P)θ = αT0/ϱCp. The experimental and predicted Gruneisen parameter γT were also determined.
- University of Michigan–Flint United States
- University of Michigan–Ann Arbor United States
- Owens Corning (United States) United States
- University of Michigan United States
Chemistry, Engineering, Materials Science and Engineering, Industrial Chemistry/Chemical Engineering, Engineering (General), Characterization and Evaluation Materials, Mechanics, Polymer Sciences
Chemistry, Engineering, Materials Science and Engineering, Industrial Chemistry/Chemical Engineering, Engineering (General), Characterization and Evaluation Materials, Mechanics, Polymer Sciences
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