
121Water-Related Losses
erefore, the ow would be turbulent. is nding is consistent with what we experience.
Consider a water heater tank that normally has a discharge valve at the bottom. When we choose
to drain the tank and open the valve, we see that the water gushing out is, in fact, turbulent.
Suppose we wish to determine the time that a tank takes to discharge its water. For exam-
ple, a pin hole leak develops at the base of a 40 gal water heater. e shell of the tank has cor-
roded due to age. e home owners have gone on vacation and have turned the main water
valve o so that additional water will not enter the tank. e pin hole is mea ...