Model & approach
- Compare suction and pressure fan arrangements in the complete installation space
- Assess opening and enclosure variants through flow path, pressure demand and local approach flow
Project study
Cooling-system retrofit after reversing fan flow
A CFD variant study reassessed a cooling system after changing fan direction and linked operating point, enclosure openings and local turning losses.
Engineering question
Reversing the functional air path changed not only velocity direction but also approach flow, system resistance and loading of nearby components.
Boundary conditions
- Same cooling components with reversed fan direction
- Several enclosure and opening concepts for the retrofit
Results of the assessment
- Direct impingement on solid installations introduced additional turning losses.
- Revised openings provided a clearer path for the changed system function.
Engineering consequence
The study focused retrofit development on enclosure openings, approach flow and the newly relevant fan operating point.
Related projects
Off-highwayCFD simulation
Heat-exchanger flow distribution
An unfavorable inlet geometry left large parts of the cooler matrix under-supplied. CFD exposed the recirculation and guided the geometry iterations.
View project
Off-highwayCFD simulation
Oil cooler and shroud
Two design variants were compared in terms of airflow, pressure loss and transferable cooling duty.
View project
Off-highwayCFD simulation
Early cooling-concept assessment
Airflow, pressure loss and hot-air recirculation were assessed before a prototype of the enclosed machine was built.
View projectA similar question?