Sensitivity Coefficient Formulas

Sensitivity Coefficient Formulas Sensitivity coefficient with respect to rate coefficients In flame calculations: where F is a target value. S is computed by the Chemkin code. For non-flame calculations we use two-side finite-difference formula:   Sensitivity coefficient with respect to heats of formation In flame calculations: where  is computed by the Chemkin code. For non-flame calculations: The following temperatures … Read more

Newton’s Law of Cooling Notes

Newton’s Law of Cooling Newton’s Law of Cooling Newton’s Law of Cooling is used to model the temperature change of an object of some temperature placed in an environment of a different temperature. The law states that where T is the temperature of the object at time t, R is the temperature of the surrounding environment (constant) and k is a constant … Read more

Neher McGrath Calculations Notes

Neher McGrath Calculations Notes Neher-McGrath Calculations The Neher-McGrath Calculations provide a method for calculating underground cable temperatures or ampacity ratings and are derived from the following technical paper: J. H. Neher and M. H. McGrath,“The Calculation of the Temperature Rise and Load Capability of Cable Systems”, AIEE Transactions, Part III, Volume 76, pp 752-772, October, … Read more