Dear MasterX,
Thank you taking the time to help me out again with this problem. I've checked the units in the equation Tf - Ti = q * A / m-dot * Cp, and they are correct. On the left of the equation we have kelvins; on the right we have W/m^2 (q) times m^2 (A) divided by kg/s (m-dot) times...
dear donutz610,
Thanks for looking into my problem and checking my formulas. I've checked my units and my calculations many times, and my answers still don't make any sense.
Dear MasterX, thank you for your help. I'm afraid that I don't know how to do an energy balance. I have a formula to calculate the energy in the tank, but I still don't know how to calculate how much energy the system gains per unit of time.
There's something I don't understand about the...
Thank you for looking into my problem, dear Phrak. The following reads "forty feet": 40'. The following reads "forty inches": 40".
Can you see any other problems with my units or my conversions?
Dear Delzac,
Thank you for your welcome and your help. I have looked carefully at your equations, and I'm afraid that I don't know how to put them to use. I read the first equation as "the instant rate of change in power with respect to time equals k times A times the instant rate of change in...
Dear Physicists,
I'm not sure if my question qualifies as coursework, but here it is anyway:
I'm taking ENGR-101 this term, and for a group project my group chose the design of a solar water heater. I'm trying to find a formula to calculate our design's efficiency, and when I search for...