Project case / Customer-independent

Flow characteristic of a compact valve

A compressible internal-flow analysis described valve throughput across several pressure states and connected the characteristic curve to local loss mechanisms.

Anonymized CFD streamlines through a compact valve — Process & plant engineering · CFD simulation

Industry: Process & plant engineering
Services: CFD simulation
Evidence boundary: Anonymized internal project documentation

Engineering question

The flow characteristic needed to be understood through separation, turning and cross-section changes rather than as an isolated series of values.

Model & approach

Simulate operating states at a consistent valve position
Evaluate pressure, velocity, density, temperature and local Mach number together

Boundary conditions

Compressible gas flow across several differential-pressure states
Fixed geometry and defined thermal state for the characteristic comparison

Results of the assessment

Abrupt turning and area change produced a pronounced separated-flow region.
The local flow fields explained the shape of the calculated valve characteristic.

Engineering consequence

The assessment identified the internal contours relevant to lower-loss valve development.

Context

This page summarizes internal project documentation independently of the customer. Absolute values, confidential geometry and independent physical validation are not published.

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Flow characteristic of a compact valve

The flow characteristic needed to be understood through separation, turning and cross-section changes rather than as an isolated series of values.

The assessment identified the internal contours relevant to lower-loss valve development.

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