Flow capacity & pressure loss
Permeability, system restriction and zone contribution across intake, port and exhaust assemblies.
Eferka Technologies Selected work
Confidential automotive programme
Turn airflow behaviour into a design decision.
A representative view of our recent automotive CFD work—from pressure-loss and permeability assessment to flow distribution, configuration comparison and engineering recommendations.
ANONYMIZED SCHEMATICAirflow-system investigation
Pressure loss Flow capacity Zone contribution
SectorAutomotive powertrain
Discipline3D CFD
Study typeFlow capacity & distribution
DisclosureAnonymized
Representative case
High-pressure intake-system assessment.
An automotive engineering team needed to understand the aerodynamic performance of an intake path at a demanding operating point. The useful answer was not a single pressure number—it was a traceable view of where losses occurred and how each system zone contributed.
We structured the CFD study to quantify total pressure loss and effective flow capacity, then separated the path into engineering zones so the result could support targeted design discussion.
Simulation method
Build confidence before interpreting contours.
The public case study shows the analysis structure while keeping model-specific data confidential.
- 01
Define the fluid domain
Prepare the internal flow volume, inlet and outlet extensions, and the interfaces that separate meaningful design zones.
- 02
Set the operating point
Translate the test or vehicle requirement into mass-flow, pressure and temperature boundary conditions.
- 03
Resolve turbulent flow
Apply a compressible RANS workflow, documented wall treatment and a mesh strategy sized for the relevant features.
- 04
Interrogate the system
Review pressure, velocity, streamlines and zone-wise contributions instead of relying on a single global metric.
Decision-ready output
Deliverables connect the flow field to the next action.
The study package organizes results around the decisions an engineering team needs to make, with assumptions and model settings documented alongside the findings.
- Total pressure-loss and flow-capacity synthesis
- Zone-by-zone contribution to system performance
- Velocity, pressure and streamline interpretation
- Comparison-ready reporting for design variants
- Quality checks and traceable simulation setup
ENGINEERING OUTPUTFour evidence layers
- 01Global performance
Pressure loss, flow capacity, mass balance and thermal targets.
- 02Local flow physics
Velocity, recirculation, mixing, wall interaction and critical zones.
- 03Design comparison
Baseline and variants reviewed consistently across operating points.
- 04Engineering recommendation
A clear next action supported by documented assumptions and checks.
The public view describes the decision structure; client values remain confidential.
Automotive CFD experience
Analysis across the complete gas path.
Our recent work spans air handling, ports, in-cylinder physics, exhaust and aftertreatment—using a consistent method to turn complex flow behaviour into a practical design decision.
Air intakePortsCylinderExhaustAftertreatment
Gas distribution & mixing
Runner, cylinder and monolith uniformity for fresh air, recirculated gas and injected species.
Port & cylinder aerodynamics
Valve-lift sweeps, tumble, swirl, trapped mass and the air motion that prepares combustion.
Water & multiphase behaviour
Water evacuation, splash paths, wall interaction, wetting risk and sensor exposure under transient motion.
Combustion & heat transfer
Mixture preparation, spray targeting, film evaporation, heat release and component thermal loading.
Coupled model inputs
System-level operating conditions transferred into 3D CFD to reduce boundary-condition uncertainty.
Your engineering question
Bring us the system behaviour you need to understand.
We can scope the model, operating points, comparison plan and compute requirements around the decision your team needs to make.