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| Basic Thermal
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| Database: |
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| Heat Exchanger: |
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| Other
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Capabilities
| Rating (Performance Analysis) |
| Calculation of heat
flow rate
Calculation of inlet/outlet temperature difference
Calculation of required tube length |
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| Preliminary Design |
| Module Intergration |
| INSTED/Database
modules used:
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Fluid thermophysical properties
Thermal conductivity of the duct material
Pipe schedules for pipe diameters
Roughness data
Film coefficient data
Friction factor data |
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| Duct Types |
| Circle, triangle,
rectangle, equilateral triangle, hexagon, annulus,
arbitrary duct shapes |
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| Surface Condition Types |
| Specified temperature
Heat flux
Adiabatic conditions |
| Heat Convection Types |
| | Laminar
Turbulent
Transistional
Entry-length
Fully developed |
| Fluid Types |
| | Low Prandtl
number fluids
Moderate to high Prandtl number fluids |
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Program Interaction
| Required Input for Rating Analysis |
| Duct type
Inlet/Outlet temperatures (depending on task)
Mass or volume flow rate
Hydraulic diameter
Outer diameter (for flow in annulus)
Absolute roughness of material
Thermal conductivity of material
Fouling factor |
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| Results from Rating Analysis |
| Heat transfer area
Friction factor
Pressure loss
Nusselt number
Outer Nusselt number (annulus)
Heat transfer coefficient
Outer heat transfer coefficient (annulus)
LMTD
Mean temperature difference
Outlet temperature
Heat transfer rate |
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