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Manipulating Heat Source characteristics

I'm developing a measure allows the user to set characteristics of the heaters in the DHW system loop. I'm allowing them to set the fuel type, efficiency of heater, Tank type (instantaneous or tank), r-value of tank, and if it's in a conditioned or unconditioned area. I'm now trying to set the loss coefficient based on these parameters. I will need the surface area of the tank but am unsure of how to obtain this. Any ideas? Also how will the r-value of the tank affect the loss coefficients?

Manipulating Heat Source characteristics

I'm developing a measure allows the user to set characteristics of the heaters in the DHW system loop. I'm allowing them to set the fuel type, efficiency of heater, Tank type (instantaneous or tank), r-value of tank, and if it's in a conditioned or unconditioned area. I'm now trying to set the loss coefficient based on these parameters. I will need the surface area of the tank but am unsure of how to obtain this. Any ideas? Also how will the r-value of the tank affect the loss coefficients?

Manipulating Heat Source characteristics

I'm developing a measure allows the user to set characteristics of the heaters in the DHW system loop. I'm allowing them to set the fuel type, efficiency of heater, Tank type (instantaneous or tank), r-value of tank, and if it's in a conditioned or unconditioned area. I'm now trying to set the loss coefficient based on these parameters. I will need the surface area of the tank but am unsure of how to obtain this. Any ideas? Also how will the r-value of the tank affect the loss coefficients?

Manipulating Heat Source characteristics

I'm developing a measure allows the user to set characteristics of the heaters in the DHW system loop. I'm allowing them to set the fuel type, efficiency of heater, Tank type (instantaneous or tank), r-value of tank, and if it's in a conditioned or unconditioned area. I'm now trying to set the loss coefficient based on these parameters. I will need the surface area of the tank but am unsure of how to obtain this. Any ideas? Also how will the r-value of the tank affect the loss coefficients?