Injector CFD Simulation

Delve into the intricate world of multi-phase flows with this advanced ANSYS Fluent tutorial on injector simulation using the Volume of Fluid (VOF) multiphase model. This comprehensive module offers an in-depth exploration of complex fluid interactions within a fuel injector, a critical component in various combustion systems.

Key aspects covered: • Applying the VOF multiphase model to simulate the interaction between liquid fuel and gas phases in an injector • Utilizing a pre-configured injector geometry in ANSYS Fluent, representative of real-world designs • Implementing appropriate boundary conditions for fuel inlet, gas interface, and injector walls • Fine-tuning VOF parameters to accurately capture the dynamic liquid-gas interface evolution • Investigating the effects of injection pressure, nozzle geometry, and fluid properties on flow characteristics • Analyzing the volume fraction distribution of phases within the injector • Interpreting simulation results to understand injector performance, including flow patterns and phase distribution

This simulation provides hands-on experience in using the VOF method to track the complex interface between liquid fuel and surrounding gas within the injector. You’ll gain insights into simulating multi-phase flow behavior in confined geometries typical in injector operations.

By completing this module, you’ll become proficient in using ANSYS Fluent’s VOF multiphase model to simulate and analyze complex multi-phase flows in injectors. This knowledge is crucial for engineers and researchers in automotive, aerospace, and energy sectors, working on improving fuel injection systems and understanding internal flow dynamics.

Note: This tutorial focuses on steady-state simulation, providing a snapshot of the injector’s operation at equilibrium conditions. The emphasis is on the VOF model’s capability to capture phase interactions and interface behavior within the injector geometry.