ANALYSIS TYPE / 09

Chemical Species Transport and Concentration Difference Modeling

Accurate and Validated Reacting Flow Models Enable Precise Simulations

Ansys FluentAnsys ForteAnsys Chemkin-Pro

Overview

Combustion & Reaction Chemistry

Combustion is a chemical reaction between a fuel and an oxidizer, often with the release of heat and light. CFD simulations are used to model combustion processes in engines, furnaces, boilers, and industrial reactors — optimizing combustion efficiency, analyzing flame characteristics, predicting temperature distributions, and improving fuel consumption and emissions performance. CFD is also utilized to model complex chemical reactions occurring in reactive flows such as combustion, pyrolysis, gasification, and reactions in industrial processes — predicting reaction kinetics, species concentrations, and product distributions.

Industries Served

DefenseEnergyNuclear & EnergyAerospaceAutomotiveIndustrial Equipment

Deliverables

Flame Structure VisualisationTemperature & Species ContoursEmissions Prediction ReportCombustion Stability Analysis

Key Aspects

What Combustion & Reaction Chemistry Involves

01

Turbulent Combustion Modelling

Applying flamelet, PDF transport, and EDC combustion models to capture the interaction between turbulence and chemical reaction in premixed and non-premixed flames.

02

Emissions Prediction

Computing NOx, CO, soot, and unburned hydrocarbon formation — enabling design changes to reduce regulated emissions at the combustion simulation stage.

03

Combustion Instability

Identifying thermoacoustic instabilities and lean blow-out limits in gas turbine combustors — preventing hardware damage through simulation-led combustor design.

04

Reaction Chemistry Simulation

Modelling pyrolysis, gasification, and reforming reactions in industrial reactors — predicting conversion rates, product yields, and optimal operating conditions.

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