 |
|
|
|
 |
|
 |
|
|
| Basic Thermal
Analysis: |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Database: |
|
|
|
|
|
|
| Heat Exchanger: |
| |
|
|
|
|
|
|
|
|
|
|
| Other
Capabilities: |
|
|
|
|
|
|
|
|
|
 |
|
|
|
 |
|
|
|
|
|
|
|
|
 |
| |
|
|
| |
Capabilities
| Rating (Performance Analysis) |
| Calculation of the
heat transfer rate
Calculation of the outlet temperatures |
|
Tube Types
| Plain tubes, Integral
low, Finned tubes |
|
| Phase Change Capabilities |
| Single-phase analysis
Two-phase analysis
|
|
Boiling in tube, boiling in annulus,
condensation in tube, condensation in annulus,
multi-component analysis |
Non-condensable |
|
| Exchanges in Series and Parallel |
|
|
| Module Intergration |
| INSTED/Database
modules used:
|
|
Fluid thermophysical properties
Exchanger material conductivity
Tube counts
Fouling resistance
Roughness data
Friction factor calculation |
Links to the Fin Analysis program
for calculation of fin resistance and efficiency |
|
| Annulus and Tube Dimensions |
|
|
Program Interaction
| Required Input for Rating Analysis |
| Task
|
|
Hot fluid in annulus/tube?
Parallel or counterflow?
Tube length |
|
| For each fluid: |
| | Density,
specific heat, viscosity, thermal conductivity (or
selection of a fluid from the Database)
Tube/annulus mass or volume flow rate
Tube/annulus diameter
Absolute roughness of tube inner and outer tube
walls
Thermal conductivity of tubes
Fouling resistance in inner and outer tube walls |
| Results from Rating
Analysis |
| | Heat transfer
rate, heat transfer area, U, UA, effectiveness,
LMTD, NTU |
| For each stream: |
| | Velocity,
Reynolds number, heat transfer coefficient,
Nusselt number, friction factor, pressure loss,
power |
|
Click to return to INSTED home page.
|
|
| |
|
|
|
|
