Exhaust manifolds are used in many areas, such as turbocharged diesel engines. The purpose of an exhaust manifold is to direct the hot gases from the combustion chamber to the turbocharger or an acceptable exhaust outlet. The high gas temperatures in the exhaust manifolds lead to very high thermal stresses. This research focuses on the integration of computational fluid dynamics (CFD), Finite Element Analysis (FEA), and virtual reality visualization to analyze and visualize thermal stresses of manifolds for better understanding and better decision-making for design, troubleshooting, and optimization of manifolds. CFD is used to obtain the temperature distribution in the exhaust manifold. Using the temperature data FEA is then performed to determine the thermal stresses in the exhaust manifold. Using the results of the FEA analysis a 3-d virtual model is built to visualize the thermal stresses in the exhaust manifold. Methodologies have been developed for such integration and applied to industrial manifolds. Results will be presented in detail in the paper.
- Heat Transfer Division
Analysis and Visualization of Thermal Stresses in Exhaust Manifolds
Pai, B, Wang, Y, Fu, D, & Zhou, CQ. "Analysis and Visualization of Thermal Stresses in Exhaust Manifolds." Proceedings of the ASME 2012 Heat Transfer Summer Conference collocated with the ASME 2012 Fluids Engineering Division Summer Meeting and the ASME 2012 10th International Conference on Nanochannels, Microchannels, and Minichannels. Volume 1: Heat Transfer in Energy Systems; Theory and Fundamental Research; Aerospace Heat Transfer; Gas Turbine Heat Transfer; Transport Phenomena in Materials Processing and Manufacturing; Heat and Mass Transfer in Biotechnology; Environmental Heat Transfer; Visualization of Heat Transfer; Education and Future Directions in Heat Transfer. Rio Grande, Puerto Rico, USA. July 8–12, 2012. pp. 447-452. ASME. https://doi.org/10.1115/HT2012-58593
Download citation file: