Keith Dysart wrote:
Finer grained analysis shows that the imputed
energy (not average) in the reflected wave is not
dissipated in the source resistor.

It is the joules in instantaneous power that must
be conserved, not the instantaneous power. There
is no such thing as a conservation of power
principle yet all you have presented are power
calculations. "Where's the beef?"

How many joules are there in 100 watts of
instantaneous power?
--
73, Cecil http://www.w5dxp.com