I don't believe there is a code prohibiting the pilot from being turned off during normal burner operation. A well designed and reliable process burner does not depend on the pilot sustain the combustion reaction and maintain flame stability. I am aware of several process plants that run...
I have not heard this equation called by a particular name other than, "required heat" or "specific heat". However, for those not familiar with the equation. It is; the amount of heat to be supplied to or extracted from a substance to change it's temperature. This equation...