Hot Cold
water water
L/hr L/hr
Hot
Cold
LMTD U
"°C" W/m²K
Inlet Middle T, Outlet T,
Inlet Middle Outlet T,
T, °C T, °C T, °C
T, °C T, °C T, °C
320 100 50
46.0 19.5
28.8
320 150 50
45.7 19.4
26.4
320 200 50
45.7 19.2
26.7
320 250 50
45.6 19.3
25.7
Hot Cold
water water
L/hr L/hr
Hot
Cold
LMTD U
"°C" W/m²K
Inlet Middle T, Outlet T,
Inlet Middle Outlet T,
T, °C T, °C T, °C
T, °C T, °C T, °C
320 100 50
45.2 20.1
35.1
320 150 50
44.7 20.2
31.2
320 200 50
44.3 19.8
28.6
320 250 50
43.9 19.3
26.9
Table (1) Parallel Flow results
Table (2) Counter Flow results
Hot Cold
water water
L/hr L/hr
Hot
Cold
LMTD U
"°C" W/m²K
Inlet Middle T, Outlet T,
Inlet Middle Outlet T,
T, °C T, °C T, °C
T, °C T, °C T, °C
Double pipe heat exchanger experiment data
sheet