Sizing and radiation
Size subsonic flares to a target allowable radiation and optionally include solar radiation.
Industrial engineering · safety
FLARES
Size industrial flares, calculate flue-gas composition, and evaluate thermal and acoustic impact with recognized engineering methodologies.
Sizing, flame geometry, thermal radiation, acoustics, emissions, and mapped impacts.
Flare sizingheight and diameter from allowable radiation
Thermal impactsubsonic and sonic flares
Acoustic impactnoise levels around the installation
Dispersion inputseffective stack parameters
Engineering scope
Evaluate flare design and impact in one project.
FLARES combines engineering calculations with georeferenced impact mapping, making it easier to compare design choices and communicate consequences at specific locations.
The software handles subsonic flare sizing, thermal radiation, noise, flue-gas composition, and effective source parameters for atmospheric dispersion modeling. SI and United States Customary units are supported.
Load a digital base map, position the flare, and inspect radiation or acoustic levels at any point. Maps and textual outputs can be copied, saved, printed, or incorporated into technical reports.
01Size
Determine flare height and diameter for an allowable radiation level.
02Calculate
Evaluate combustion products, radiation, noise, and flame behavior.
03Map
Georeference the stack and display impact levels spatially.
04Export
Create report-ready graphics, ASCII results, and KML layers.
Capabilities
Engineering calculations with spatial context.
Subsonic and sonic impact
Calculate thermal radiation and acoustic levels for subsonic and sonic cases.
Combustion products
Calculate flue-gas composition from the specified release mixture.
Dispersion parameters
Estimate effective source parameters using US EPA SCREEN3 and TCEQ methods.
Flame tilt
Apply the simple approach or the Brzustowski and Sommer method.
Dual unit systems
Work consistently with SI or United States Customary units.
Georeferenced maps
Load a base map, use world files when available, and position the flare graphically.
Interactive levels
Read radiation and noise values while moving over the mapped project area.
KML and reports
Export stacks and impact contours to Google Earth and reuse graphics in reports.
Methods and standards
Calculations grounded in recognized guidance.
Method selection depends on the requested output and flare regime.
- 01ANSI/API Standard 521, sixth edition, for pressure-relieving and flare design calculations.
- 02ISO 23251 for pressure-relieving and depressuring systems.
- 03US EPA AP-42 methodologies for emission-related calculations.
- 04SCREEN3 and TCEQ approaches for effective atmospheric-dispersion source parameters.
- 05Simple and Brzustowski–Sommer approaches for flame tilt.
Test FLARES
Download the Windows evaluation package and review sizing, impact, and mapping workflows.
Download evaluation →Use FLARES in production
Current subscription pricing and terms are available through FastSpring. Active subscriptions include software updates.
Subscription options →Need a site-specific assessment?
Combine flare engineering with atmospheric impact modeling.
We support flare characterization, dispersion studies, thermal impact, acoustics, and technical reporting.