This example is based on Section 13.2.1 Complex Fuel Molecules in the FDS User Guide. Complex stoichiometry: Example of PVC fuel with formation of hydrogen chloride
Combustion of Polyvinyl Chloride (PVC) Figure 1. Chapter 5 demonstrates a set of reactions where the downstream reactions use the products of the first reaction and shows how to set Lumped Component Only option.Ģ.Chapter 4 demonstrates aerosol deposition.Chapter 3 demonstrates use of multiple chemical reactions.Chapter 2 demonstrates non-simple chemistry fuels by including chlorine in the fuel and products.Simple chemistry combustion is demonstrated in the Burner Fire example that imports a reaction from the PyroSim library and in the Smoke Layer example that defines the composition and products.In this post we replicate examples from the FDS User Guide, the FDS Verification Guide, and the FDS Validation Guide. The FDS User’s Guide, Section 13.2.2 “Complex Stoichiometry”, provides several examples of complex stoichiometry. To use multiple-fuel reactions (or other complex reactions) in an FDS simulation, it is necessary to specify the gas species and stoichiometry of the reactions. This post demonstrates how the new user interface capability can be used to represent multiple fuels and other complex reactions. Previously, PyroSim supported the FDS single-fuel, “simple chemistry” combustion model but complex stoichiometry required some manual input by the user. PyroSim version 2018.2 will support complex stoichiometry in the user interface. To follow along with this tutorial, download the relevant files here.
Combustion of Polyurethane and Wood (PVC) Created with software version: 2020.1 Table of Contents
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