Easy problem with heat transfer from surrounding air to water tank

  1. Hi!
    Im doing some measures on a closed water tank with the water temperature 14C and surrounding air with temperature of 20C. I want to know how much heat transfer there is between the surrounding air and the tank.

    A= 47m2 (area of tank in contact with the surrounding air)

    R1= air to tank transfer = 0.12 (i found this value)
    R2= heat transfer in the tank material = d/λ. d=0.1 λ=1
    R3= heat transfer between water and tank material. How do i calculate this?

    Best regards / Jonas
  2. jcsd
  3. russ_watters

    Staff: Mentor

    Welcome to PF!

    Unfortunately, heat transfer is not an easy thing to calculate. Fortunately, the heat transfer between water and tank is so good, the R-value is near zero so you can ignore it.
  4. Thank you very much for your help!
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