On Thu, Feb 17, 2011 at 8:45 AM, Jed Rothwell <[email protected]> wrote:
> Joshua Cude <[email protected]> wrote: > > >> With 1 kW, you can raise the temperature of the water at 300 mL/min about >> 50C to give 65C or so, definitely too hot to touch. >> > > That is true, but the power was not 1 kW. It was 400 W. It was 1 kW at the > beginning of the experiment, but a flow calorimeter or hot water heater > cools down rapidly at these flow rates, so a few minutes after the power > falls to 400 W, the water would be lukewarm. > It was 400 W for less than 15 minutes. After that is was 1.5 kW.
