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Fluid
Flow Design and Consulting
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General
- Written in Delphi - a true 32-bit
code requiring Windows 95/98/NT.
- PC network compatible.
- Ability to utilise Microsoft
Excel as an Automation Server or as a Report Engine. Output data
in Excel can be used for Bills of Materials, quantity calculations,
price lists, etc. Data can be changed in Excel and ported back
to Piping Systems FluidFlow for recalculation.
- Pipe layout (flowsheet) always
visible when viewing entered data or calculated results.
- Intelligent use of colours.
User can change pipe colours. Components and pipes containing
warnings are highlighted in red. Warnings are automatically triggered
if a component is operating outside its specified limits, viz
insufficient NPSH for a pump or an unacceptable control valve
opening.
- Cut, paste and copy all or part
of a flowsheet. Cut and paste to a different flowsheet.
- Equipment and fluid databases
may be added to, copied and merged. Default data values can be
locked to ensure company-wide consistency. Individual databases
can be allocated to separate projects.
- All Kf, K, pipe diameter, pipe
roughness values obtained from datatables can be instantly overridden
from the input area. Overridden values are highlighted and can
be reset at any time. (For instance, the effect of scaling of
pipes can be modelled. All pipes can be listed and sorted according
to size. Pipes of a particular size can then be selected and
the ID and roughness changed to reflect scaling in one simple
operation).
- Models multiple pumps, fans
and control valves.
- Any pipes may be designated
Open or Closed - ideal for modelling multiple pump systems where
some pumps need to be ‘switched of’.
- Arrows indicate calculated direction
of flow on all pipes.
- "Fly by" mouse pointer
can show calculated result for each component simply by pointing.
- Report Writer - all entered
and calculated data can be selected for inclusion/exclusion in
reports
- Separate models may be displayed
one flowsheet.
- Bill of Materials option.
Incompressible Flow
- Darcy equation is used for all
liquids; Hazen Williams formula is an option for water.
- Viscosity correction applied
to end suction centrifugal pumps.
- Affinity law correction to pump
curve as speed or impeller diameter changed within model.
- Automatic detection of insufficient
NPSH.
- Plot pump and system curves.
Compressible Flow
- Steam physical property data
is estimated according to IAPWS 97 guidelines.
- Physical properties of a gas
mixture can be estimated.
- Choked conditions across orifice
plates are detected and flow is restricted accordingly.
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