modelConcentricTube
Concentric tube
Extends from PartialMethod.
Information
Source:
Incropera, Frank P., David P. DeWitt, Theodore L. Bergman, and Adrienne S. Lavine, eds. Fundamentals of Heat and Mass Transfer. 6. ed. Hoboken, NJ: Wiley, 2007.
Table 11.3 and 11.4 (pg. 689-690)
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Boolean | counterflow | false | =true for parallel flow |
| Internal Interface | |||
| Boolean | inputNTU (from PartialEffectivenessNTU) | true | =true for u=NTU else u=epsilon |
| Initialization | |||
| SIadd.NonDim | y_start (from PartialEffectivenessNTU) | 1 | Initial value for non-input (i.e., if u=NTU than y=epsilon |
| Advanced | |||
| Boolean | epsilonMethod (from PartialMethod) | true | =true to use formulation of epsilon=f(NTU) else NTU=f(epsilon) |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| SI.ThermalConductance | C_1 (from PartialEffectivenessNTU) | Heat capacity rate | |
| SI.ThermalConductance | C_2 (from PartialEffectivenessNTU) | Heat capacity rate | |
| SI.ThermalConductance | C_min (from PartialEffectivenessNTU) | min(C_1, C_2) | |
| SI.ThermalConductance | C_max (from PartialEffectivenessNTU) | max(C_1, C_2) | |
| SIadd.NonDim | C_r (from PartialEffectivenessNTU) | C_min/C_max | |
| SIadd.NonDim | u (from PartialEffectivenessNTU) | Input variable: epsilon or NTU. See inputNTU | |
| SIadd.NonDim | epsilon (from PartialEffectivenessNTU) | Effectiveness | |
| SIadd.NonDim | NTU (from PartialEffectivenessNTU) | Number of transfer units | |
| SIadd.NonDim | y (from PartialEffectivenessNTU) | ||
| Units.NonDim | method (from PartialMethod) | Method for C_r > 0 |