Thermal Engineering
Heat Exchanger Simulator
Analyze heat exchanger temperature distribution, thermal effectiveness, and rate of heat transfer. Adjust fluids heat capacity rates, overall heat transfer coefficient, and exchanger area to see real-time profiles.
Method
NTU-Effectiveness
Steady State
Flow Type
Counter Flow
Dual Channel
Output
CSV
Ready to export
Parameters
Flow Arrangement
Hot Side (Tube)
Cold Side (Shell)
Overall U Sweep
Governing Heat Exchanger Models
NTU Definition
NTU = (U * A) / C_min
Counter Effectiveness (Cr < 1)
ε = (1 - exp(-NTU*(1-Cr))) / (1 - Cr*exp(-NTU*(1-Cr)))
Parallel Effectiveness
ε = (1 - exp(-NTU*(1+Cr))) / (1 + Cr)
Heat Transfer Rate
Q = ε * C_min * (Th,in - Tc,in)
Minimum heat capacity rate C_min = 1000 W/K.
Capacity ratio Cr = 0.833.
Exchanger size NTU = 2.500.
Linked Fluid Flow Diagram
Heat Transfer Rate (Q)
75.62kW
Thermal Effectiveness
75.6%
Hot Outlet Temp (Th,out)
44.4°C
Cold Outlet Temp (Tc,out)
83.0°C
Fluid Temperature Profiles along Exchanger
Temperature Node Results
| Position (%) | Hot Fluid Temp (°C) | Cold Fluid Temp (°C) | Temp Diff (ΔT) |
|---|---|---|---|
| 0% | 120.0°C | 83.0°C | 37.0 K |
| 10% | 110.9°C | 75.5°C | 35.5 K |
| 20% | 102.3°C | 68.2°C | 34.0 K |
| 30% | 93.9°C | 61.3°C | 32.6 K |
| 40% | 85.9°C | 54.6°C | 31.3 K |
| 50% | 78.3°C | 48.2°C | 30.0 K |
| 60% | 70.9°C | 42.1°C | 28.8 K |
| 70% | 63.9°C | 36.2°C | 27.6 K |
| 80% | 57.1°C | 30.6°C | 26.5 K |
| 90% | 50.6°C | 25.2°C | 25.4 K |
| 100% | 44.4°C | 20.0°C | 24.4 K |