- #1
azzamut
- 5
- 0
Homework Statement
in practice is is assumed well insulated heat exchangers are adiabatic. With reference to this heat exchanger, carry out the necessary calculations and then give an opinion as to the validity of this assumption.
Homework Equations
Observation
Thotin 55.88, Thotmid 51.84 Thotout 22.47 Tcoldin 29.37 Tcoldmid Tcoldout 47.41
Hot water flow rate 2800 cold water flow rate 1750
internal tube external diameter 15mm wall thickness 0.7mm
outer tube external dia 22mm, wall thickness 0.9mm
insulation wall thickness 20mm
heat transmission length 1.5m
heat transmission area 0.067m squared
The Attempt at a Solution
can someone point me in the right direction with this question thanks