Optimizing gas flow in a furnace through numerical simulation: A case study using qobeo®

EL AOUAD Sacha - Sciences Computers Consultants (France)

This study focuses on optimizing the gas distribution and propagation in a sintering furnace to improve the process efficiency and product conformity. Indeed, ensuring a homogeneous and controlled air flow in the furnace is essential to achieve a uniform thermal treatment quality for all the workpieces. The main goal was to understand the airflow behavior near the components being processed to analyze their interactions with the surrounding air. During the heating and debinding stages of a full batch of components, certain parts were found to be non-conforming, making it necessary to further investigate the furnace dynamics.

Using qobeo® software, we conducted a numerical simulation to analyze gas flow and heat distribution. The simulation allowed us to detect and identify critical zones where airflow irregularities occurred. These zones correspond to racks where non-compliant parts were observed. This analysis provided valuable insights into the airflow behavior and patterns and allowed us to pinpoint areas requiring optimization.

Based on these findings, a targeted solution was proposed: the addition of strips to one of the edges of each rack. Before implementation in the actual furnace, this modification was also simulated using the qobeo® software to assess its effectiveness. The results confirmed that the addition of strips leads to more uniform gas circulation between the shelves. After its implementation, the modification of the racks showed significant improvements in the furnace performance reducing the occurrence of non-compliant parts. The overall product quality was enhanced.

This work shows the value of numerical simulation in diagnosing industrial challenges and validating a proposed solution. The findings presented highlight the potential of this methodology and the use of numerical tools such as qobeo® to improve manufacturing efficiency and product quality in industrial settings.