NIST Improves Performance, Capabilities of Its Computer Fire Modeling Tools (video) National Institute of Standards and Technology (NIST) Share Print E-Mail Loading video... Caption This is a sample analysis by NIST's Fire Dynamics Simulator predicts the evolution of an oxygen-starved heptane pool fire. Results are shown with NIST's Smokeview visualization software. Heptane is a colorless, flammable liquid and used as a solvent. Credit NIST Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.