Objective
To determine the overall heat transfer coefficient and effectiveness of a double pipe heat exchanger under conditions of parallel flow and counter flow.
Select type
Wh(Kg/min)
10
Wc(Kg/min)
10
Thi(°C)
10
Tho(°C)
10
Tci(°C)
10
Tco(°C)
10
Effectiveness
$$ε = \frac{W_c.C_p.(T_{co}-T_{ci})}{C_{min}.(T_{hi}-T_{ci})}$$
$$ε =$$
Overall Heat Transfer Coefficient
$$U = \frac{W_c.C_p.(T_{co}-T_{ci})}{A.(ΔT)_m}W/m.K$$
$$U =$$
$$W/m.K$$
Log mean Temp Difference
$$ (ΔT)M = \frac{Θ_i - Θ_o}{ln(Θ_i/Θ_o)} °C/m$$
$$ (ΔT)M = $$
$$°C/m$$
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