An approximation for the decay heat curve valid from 10 seconds to 100 days after shutdown is. where is the decay power, is the reactor power before shutdown, is the time since reactor startup and is the time of reactor shutdown mesured from the time of startup (in seconds).
Freebase(0.00 / 0 votes)Rate this definition: Quail. Quail is a collective name for several genera of mid-sized birds generally considered in the order Galliformes. Old World quail are found in the family Phasianidae, and New World quail are found in the family Odontophoridae.
common name for a variety of small game birds related to the partridge, pheasant, and more distantly to the grouse. There are three subfamilies in the quail family: the New World quails; the Old World quails and partridges; and the true pheasants and seafowls. No species of New World quail is migratory, but some Old World quail represent the only migratory species of the order.