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SYSTEMS SIMULATION SOFTWARE
PROCESS FLOW & HEAT TRANSFER
COMPANY OVERVIEW
•
About us
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Products
– Founded 1987
– Flownex Simulation Environment
– Annual Turnover ±R 350m
– Enerflow Heat Pumps for industrial,
commercial and residential
applications.
– ISO9001 accredited multidisciplinary engineering company
headquartered in South Africa with
partners on all continents of the
world
– 20 full-time support personnel and a
core group of 35 engineering
consultants, programmers and
technicians.
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Services
– Specialised Consultation and Owners
Engineering
– Demand Side Management and
Energy Efficiency
CUSTOMER VALUE PROPOSITION
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Reduce Time
• Design engineers quickly evaluate
system designs using standard models
and engineering data
• Evaluate hundreds of system
configurations or variations in minutes
• Automatically produce detailed results
and reports
Reduce Cost
• Consolidate and reduce the amount of
system simulation tools and in house
codes used
• Prevent cost overruns, late design
changes and modifications by
ensuring initial design meets
specifications and
requirements under all conditions and
modes of operation
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Prevent wasteful spending due
to overly conservative designs and
control strategies
Allow for seamless
knowledge transfer and deep
understanding of system dynamics
Reduce Risk
• Ensure safe operation of plant
through all modes and states
• Allow correct plant design
and selection of correct safety
equipment to prevent surges, bursts,
blow downs etc.
• Enables design of safe and robust
control strategies
OUR REACH
Current Territory
Developing territory
SALES LAST 5 YEARS
SALES SECTORS AND APPLICATIONS
Sales by Sectors 2014
Industrial
Sales by application in
2014 Boiler
Consultation
Fossil Fuel
Power sub-system design
Nuclear
Nuclear Power Cycle
Oil and gas
Oil and gas
Academic
Hydraulic equipment
Mining
Process design
Safety and Health
Safety
Ship building
ship building
Turbine
Turbine design
Water
ventilation
defense
WHAT IS FLOWNEX®?
• Software designed to assist with the development of
simulation environments that require a fast, reliable and
accurate total system and subsystem approach to
simulation.
• Simulations can be created to take into account
dynamic simulations, thermal inertia, plant scenarios
such as accidents and plant shutdowns, branching of
flows as well as buoyancy driven flows.
(Conservation of Mass, Momentum & Energy)
BENEFITS OF FLOWNEX®
• Enables engineers to predict, design and
optimize for flow rates, pressures, temperatures
and heat transfer rates in fluid systems.
• Simulations with any combination of liquid, gas,
two phase, slurry and mixture flows in both
steady state and dynamic cases.
FLOWNEX® SE
LIBRARIES
Flownex® contains a large and
extendable library of
components to allow users to
quickly setup and model flow
systems.
FLOWNEX®
SOFTWARE INTEGRATION
CAPABILITIES
FLUID MECHANICS
HEAT TRANSFER
THERMODYNAMICS
Bernoulli’s Principle
Conduction
Joule-Thomson effect
Fundamental explanation of
energy conservation in fluid
flow and the causes and
effects of pressure loss.
A fundamental explanation of
heat transfer through flat and
cylindrical geometries.
A fundamental explanation of a
fluid’s change in temperature
with pressure.
• Subject Theory
• Lecturer’s examples to show in class
• Student projects to use as assignment
• Propulsion systems
• Gas turbine engine
• Combustion chamber
• Hydraulic systems
• Liquid fueled rocket systems
• Fuel & refueling systems
• Environmental control & Life
support systems
COMBUSTION CHAMBER
Integrated combustion
chamber design &
optimization including
coolant flow:
– Combustion product gas composition
calculation.
– Combustion process adiabatic flame
temperature calculation.
– Flow distribution between cooling slots and
main flow path.
– Thermal capacitance in solids for transient
modelling.
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Axial (2D) conduction.
Linear and solid conduction heat transfer.
Jet impingement cooling.
Film convection heat transfer.
Solid-Solid radiation heat transfer.
Gas-Solid radiation heat transfer.
Convection heat transfer.
SEC. & COOLANT FLOW
Internal cooling system
pressure, flow rate, power
and heat transfer
distribution for ensuring
effective film cooling on hot
surfaces.
– Swirl calculation through integrated swirl
solver.
– Labyrinth seal pressure drop calculation.
– Rotor-Rotor pressure differential and power
transfer calculation.
– Rotor-Stator pressure differential and
power transfer calculation.
– Free Vortex pressure differential and power
transfer calculation.
– Forced Vortex pressure differential and
power transfer calculation.
– Rotating nozzle pressure differential and
power transfer calculation.
– Rotating channel pressure differential and
power transfer calculation.
– Convection heat transfer between solids
and cooling air.
HEAT RECOVERY STEAM GENERATOR &
BOILER SIMULATIONS
• Steady-state design
– Modelling of the complete system,
including superheaters,
economizers, evaporators, pumps,
turbines, etc.
• Transient Analysis
• Applications
– Detection of unwanted operating
conditions.
• Chiller unit
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Heat rejection
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Building internal air
• Flownex excels in non-standard HVAC applications.
• Water systems (Heating/cooling).
• One stop tool for HVAC system design.
• Refrigeration & heating system simulation
• Water handling system simulation
• Compressed air simulation
• Backfill & tailings slurry
• Ventilation
OIL & PETROCHEMICAL
• Steam systems:
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Feed water
Cooling water circuits
Natural circulation boilers
Super heater and main steam piping
Steam turbine & supporting systems
Once-through boilers
Heat exchangers
Fire protection systems
Liquid handling systems
Drilling mud pumping systems for oil wells
GAS PROCESSING (PT.1)
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Pipe systems
Heat exchangers
Flares & Burners
Drilling mud pumping
systems for gas
wells
GAS PROCESSING (PT.2)
• Turbo machinery
• Integrated systems
analysis
• Fire protection
systems
• Gas turbine start-up
– Pressure & expansion
control
OIL & GAS PROCESSING
GIS IMPORTING AND COORDINATE SYSTEM DRAWING
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The ability to import GIS data substantially reduces the time required
to setup and define pipeline systems
Thousands of kilometres of pipelines can be modelled in Flownex®
within seconds.
Location of components can be specified using GPS latitude and
longitude coordinates and overlay networks on maps.
FOSSIL FUEL
• Feedwater systems
• Natural circulation boiler
• Cooling water circuits
• Boiler auxiliary system
• Steam turbine &
supporting systems
• Boiler steam systems
• Ash slurry
• Condenser
NUCLEAR
• PWR component modelling
• Feed water systems
• Cooling water circuits
reactors
• Steam turbine &
supporting systems
• Integrated system
• HTR component modelling simulation
• Accident analysis
• Condensers
• Research or materials test
THANK YOU
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