OK need some help with units. I am trying calculate the energy to surmount the coulomb barrier. the relationship is basic, but I can't remember how the units of e2 (1.440 ev nm) come about. thanks
I am trying to develop a btu calculator for my solar thermal water heater. I would eventually like to use labview to do the acquisition. I have an internal heat exchanger and know the temperature before and after it enters the exchanger. I have a flow meter w/ a pulse output. What would the...