Joe McCraw← Selected projects · Interactive engineering study
Explore how wind speed, direction, and geometry affect this analytical model. The streamlines are an illustration, not a completed CFD solution or a prediction of a commercial turbine's performance.
Concept attribution: Archimedes Liam F1, Marinus Mieremet. Geometry and visualizations are presented for study; this page grants no redistribution license for third-party designs.
Snapshot provenance
Source commit: 53591e932e078b96f864816f73bdf1e98158fe55. Bundle: d05b5af6c9d2370a5c8a. Export includes source working-tree changes; bundle checksums identify the exact artifacts.
Liam F1 Simulation & 3D Flow Viewer ● READY FOR CFD HANDOFF
Preserved Run:
simulations/run_liam_f1_physics_enclosed | Schema 1.2 | Sourced Liam F1 Archimedes Geometry
[PROVEN GEOMETRY]
[ANALYTICAL HYPOTHESIS]
[VISUAL STREAMLINES]
Interactive 3D Air Flow & Rotating Turbine
Real-Time 3D Streamlines
Velocity Magnitude |V|
Wake (0.6 V)
Free (1.0 V)
Channeled (1.3 V)
Interactive Parameter Controls
Coupled Dynamic ODE (240Hz)
Inlet Wind Speed (m/s)
5.0 m/s
Wind Inflow Direction (360° Heading)
0° (Front / Nominal)
0° Front
90° Left
180° Tail
270° Right
360°
Turbine Yaw Mechanism
Weathervane (Auto-Tracking)
Rotor Physical Diameter (m)
0.75 m
Assembly Configuration
Enclosed (Ducted)
Enclosure Diffuser Flare (DAWT)
0° (Baseline Cylinder)
0° Straight
4° Mild
7° Optimal DAWT
10° Max Flare
Mast Pivot Placement
Center (0 cm)
Streamline Flow Density
48 Continuous Streamlines
Shroud Wall Opacity
35%
Dynamic Operating State
Coupled Dynamic ODE
Wind Inflow Heading
0.0° (Front)
Turbine Heading
0.0°
Effective Yaw Misalignment (γ)
0.0°
Yaw Efficiency Factor (cos²·² γ)
100.0%
Restoring Lever Arm (Lcp)
42.6 mm
Yaw Restoring Stiffness (kyaw)
0.485 N·m/rad
Natural Tracking Period (Tn)
13.4 s (ωn: 0.47 rad/s)
Rotational Speed
253.09 RPM (0.00 rad/s)
Tip Speed Ratio (TSR)
1.919
Power Coefficient (Cp)
0.3451
Aerodynamic Power
10.88 W
Electrical Power Output
3.63 W
Annual Energy (AEP)
108.4 kWh/yr (CF: 0.083)
Rotor Mass (ρ = 1200 kg/m³)
5.045 kg
Polar Inertia (Ixx)
0.00000 kg·m²
Topology Gates
Manifold
Boundary Edges0 (Watertight)
Non-manifold Edges0 (Manifold 2-Solid)
Inconsistent Winding0 (Consistent)
Degenerate Faces0
Self-Intersections (Möller)0 Hits
Signed VolumePositive Manifold
Geometric Parity
Toleranced
Blade Thickness
5.0 mm (Δ = 0.0 µm)
Ref Surface Distance p95/D
0.003333 (≤ 0.010)
Front Silhouette IoU
0.9916 (≥ 0.970)
Side Silhouette IoU
0.9717 (≥ 0.970)
120° Blade Symmetry
Verified
CFD Export Equivalence
Proven
Surface Equivalence
Proven Bit Equivalent
Max Coordinate Delta
0.00e+00 m
Rotor Fused Solid
Watertight STL
Enclosure Tube Solid
Watertight STL
Boundary Map
Verified
Simulation & CFD Artifacts
Root:
current/
| Artifact Name | File Path | Description |
|---|---|---|
| Working Scene | scene.blend |
Evaluated Blender scene (.blend) |
| Configuration | config.json |
Schema 1.2 configuration |
| Physics Telemetry | physics_results.json |
Authoritative simulation telemetry |
| Physics Contract | physics_contract.json (not included in web snapshot) |
RPM and kinematic coupling |
| Parameter Sweep Grid | physics_parameter_grid.json |
1280 evaluated operating points (Speed, Diameter, Config, Yaw) |
| Geometry Quality | geometry_quality.json (not included in web snapshot) |
Mesh inspection & tolerances |
| Performance Curves | performance_curves.svg |
Zero-math SVG curves |
| Readiness Manifest | readiness.json |
Cryptographic artifact hashes |
| Fused Rotor Solid | cfd_handoff/rotor_fused.stl (not included in web snapshot) |
Watertight CFD STL (meters) |
| Enclosure Tube Solid | cfd_handoff/enclosure_tube.stl (not included in web snapshot) |
Stationary shroud STL (meters) |
| Boundary Map | cfd_handoff/boundary_map.json (not included in web snapshot) |
CFD zones and boundary conditions |
| CFD Test Spec | cfd_handoff/cfd_test_spec.json |
Solver-neutral test matrix |