Project study

Airflow distribution in a grain-cleaning system

A staged CFD study linked radial blower, volute, air channels and several sieve levels in a system-wide assessment of cleaning airflow.

CFD streamlines through a grain-cleaning module — Off-highway · CFD simulation

Industry: Off-highway
Services: CFD simulation

Engineering question

Blower flow had to be distributed consistently across channels and sieves even though installation geometry and operating point were tightly coupled.

Model & approach

Assess the blower and volute first at component level
Transfer the resulting behaviour into a full-machine model with channels and sieves

Boundary conditions

Several blower states and geometry variants
Open and closed enclosure conditions with multiple evaluation planes

Results of the assessment

The system assessment separated blower effects from distribution losses in channels and sieves.
A revised volute and airflow arrangement could be evaluated with the same logic.

Engineering consequence

The component-to-system method supported development of the blower housing, channels and distribution concept.

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