Flaresim
Flaresim
Flaresim Overview
Flaresim Overview
Used in the Design of Flare Systems for
¾ Offshore oil platforms ¾ Gas plants
¾ Refineries ¾ Refineries
¾ Chemical plants
Assist professional engineers to
¾ Evaluate thermal radiation & noise from flares ¾ Evaluate temperatures of exposed surfaces ¾ Evaluate temperatures of exposed surfaces ¾ Evaluate flare gas dispersion
Flaresim can analyse complex flare systems
Flaresim can analyse complex flare systems
Flaresim Overview
Flaresim Overview
A user friendly interface
¾ Data entry in a mixture of units ¾ Program driven by menu & toolbar ¾ Context sensitive help
¾ Context sensitive help
Flaresim output is highly customisable
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¾ Summary or detailed output
¾ Graphical output where appropriate
¾ Standard format exports for further use p
(html, xls, csv)
Licensing is either standalone or network
Licensing is either standalone or network
Flaresim Features
Flaresim Features
Global calculation options Global calculation options Fluids, Environments, Stacks Flare Tips
Flare Tips
Receptor Points Receptor Grids Assist fluids
¾ User creates as many
instances of each as i d
required
¾ Copy option for Fluids and
Fluids
Defined from Properties - Composition
Component library with most common components
Component library with most common components
¾ User extendable
E i
t
Environments
Wind
Single direction or wind roseAtmosphere
Radiation and Noise AttenuationBackground
Solar Radiation and NoiseStacks
Orientation and dimensions
Orientation and dimensions
Tips
Tips
Selection of types
¾ Pipe Sonic Liquid burner Combined HP/LP ¾ Pipe – Sonic - Liquid burner - Combined HP/LP
Seal Types
¾ Fluidic - Molecular
Methods for F factor
¾ User defined – Natural Gas – Kent – Tan – Cook – High
Efficiency – Generic Pipe – Modified Chamberlain Efficiency – Generic Pipe – Modified Chamberlain
Combustion noise methods
¾ Acoustic efficiency – Low Noise reference ¾ Standard reference – User reference
Location and dimension definition
References a Stack and a Fluid
References a Stack and a Fluid
Receptor Points
Receptor Points
Location
Location
Properties
¾Emissivity - Absorbtivity¾Area Ratio – Mass / Unit Area ¾Mass Cp – Initial TemperatureMass p In t al emperature
Define constraints for sizing
M R d
¾Max Radiation ¾Max Noise
Radiation Calculation
Radiation Calculation
8 methods to calculate incident radiation
8 methods to calculate incident radiation
¾ Strict API ¾ Flaresim API
¾ Integrated Point Source ¾ Integrated Point Source ¾ Integrated Diffuse Source ¾ Integrated Mixed Source ¾ Brzustowski
¾ Brzustowski
¾ Multipoint Brzustowski ¾ Chamberlain
Noise Calculation
Noise Calculation
Two basic sources
Two basic sources
¾ Combustion noise ¾ Jet noise
Each source has a frequency distribution
Temperature Calculation
Temperature Calculation
Exposed surface heat balance between
Exposed surface heat balance between
¾ The thermal radiation incident at the specified point ¾ Heat losses by radiation and convection
T
fil
Temperature profile
¾ Net heat received
Calculation modes
Calculation modes
System Rating
System Rating
¾ Known stack length
¾ Calculated radiation, noise and temperature
Stack Sizing
Stack S z ng
¾ Sizing to meet radiation, noise and temperature constraints ¾ Constraints defined at receptor points
¾ Minimum and maximum stack len th user defined ¾ Minimum and maximum stack length user defined
Tip Results
Tip Results
¾ Gas exit velocity and Heat ¾ Gas exit velocity and Heat release
¾ Stack and tip pressure dropp p p ¾ Purge gas requirements
¾ Combustion gas composition ¾ Table & graphs of
¾ Noise spectrum ¾ 2D/3D flame shape
Tables & graphs (JPG PNG WMF BMP or EMF) Tables & graphs (JPG, PNG, WMF, BMP or EMF) can be exported individually
Receptor Point Results
Receptor Point Results
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Thermal results
¾ Incident radiation ¾ Final temperature ¾ Temperature profile
• table and graphic ¾ Wind rose
Receptor Points Results
Receptor Points Results
Noise results
¾ Total and Average value ¾ Frequency distribution ¾ Spectrum
Receptor Grids
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Defines a rectangular area with multiple receptors
Thermal results
¾ Radiation Isopleths ¾ Temperature Isopleths ¾ Temperature IsoplethsNoise results
¾ A A i ht d l Is pl ths¾ Average or A-weighted value Isopleths
A plot overlay can be defined
¾ Multiple graphical formats (DXF, JPG, PNG, BMP, WMF)
Receptor
Receptor
Shields
Shields
Reduce the radiation at the receptor points
Reduce the radiation at the receptor points
Types according to transmissivity:
¾ Solid ¾ W t
¾ Water screen ¾ User defined
Gas Dispersion Calculation
Gas Dispersion Calculation
Jet Dispersion Model
Jet Dispersion Model
¾ Flame out conditions
¾ Prediction close to the flame
C i f fl bl
¾ Concentration of flammable gas
Gaussian Gas Dispersion Model
¾ Flared gas or combustion products
¾ Prediction at reater distance from flare ¾ Prediction at greater distance from flare
Jet Dispersion
Results
G
i
Gaussian
References
References
Over 100 companies worldwide are using
Fl h f f h
E i i C i Oil d G C i Fl S t V d Flaresim. These are just a few of them...
Engineering Companies Aker
Bechtel
Brown & Root
Oil and Gas Companies Abu Dhabi Gas
Liquefaction BP Amoco
Flare System Vendors Airoil Flaregas
Argo Flare Services GBA
Chiyoda
Foster Wheeler Fluor Daniel
Kvaerner John Brown
British Gas QGPC Occidental Mobil GBA Halliburton Hamworthy Mactronic Kvaerner John Brown
M.W. Kellogg Snamprogetti Technip
Worley
Mobil
Total National Airoil Optima Solutions Samia srl
