Monday, December 30, 2019

Thinking out of the box - a bathroom geyser (water heater) is also fundamentally a sort of a battery [COMPACTIDEA]

This thought occurred to me while bathing, a few days back. The time when the water heater is heating up the liquid water inside can be compared to the process of charging a battery using a charger. Heated water's heat is analogous to stored charge in an electrical battery, and this heat can theoretically be used to do useful work, even if the efficiency ratio is very low. Further, with proper thermal insulation, heat loss can be reduced [though definitely not anywhere near the duration of time for which batteries retain charge]. Heat loss as a phenomenon is comparable to loss of charge in a conventional battery. So it does seem like a water heater can be correctly called a sort of a battery.