An enthalpy–entropy (–) graph approach for the classification of faults in a new generation type high temperature gas-cooled reactor (HTGR) is presented. The study is performed on a 165MW model of the main power system (MPS) of the pebble bed modular reactor (PBMR) that is based on a...
In the simplest analysis, an entropy increase favours dissolution, due to the dissociation of the crystal into the maximum number of independent particles. The main differences in solubility in various solvent/salt combinations reflect differences in the lattice enthalpy of the salt, cohesive enthalpy ...
Activation energy can be found from experimental data by several methods. In one technique, the kinetics of a reaction are studied at different temperatures (for information on the various methods,seeREACTION RATE, CHEMICAL). A graph is plotted in coordinates of Inkversus 1/T; according to the...
Equation 21 can be modified into 1/Tc = Xoo/(0i/Joo)-(1/(0i/Joo))(l/2-i/Joo) (21 ') Then, a graph of 1/Tc as a function of Xoo Figure 4. Effect of the molecular weight dependence coefficient k0 ( eq 24) on Flory th\;:ta temperature 0 and Flory entropy. parameter at ...
(2012). Fault diagnosis of generation iv nuclear htgr components-part i: The error enthalpy-entropy graph approach. Annals of Nuclear Energy, 40(1), 14-24.du Rand, C.P., van Schoor, G., 2012b. Fault diagnosis of generation IV nuclear HTGR components - Part II: the error enthalpy-...