F1 Monza Aero Rake Telemetry & Flow Field Correlator

Rake Rig Controls

FP1 Test Scenario Preset

Rake Mounting Station

Airspeed (km/h) 280 km/h

Kiel Probe Grid Pitch 20 mm

Steering / Yaw Angle (°)0.0°

Chassis Aero Rake Array Mount Point

Sensor Jitter / Vortex Burst Sim

2D Total Pressure Wake Slice [Cp_total = (P_t - P_inf) / q_inf]

Plane: Y-Z Rake Cut STATION 1 (FRONT TYRE)

Wake Deficit (Cp -1.0)

Freestream (Cp +1.0)

CFD Correlation

94.2%

Tolerance: ±5.0%

Boundary Layer Height

84.5 mm

99% freestream cut

Vortex Core Coords

Y-382, Z164

Outwash centroid

Cp Min / Max

-0.78 / +0.98

Peak suction core

Kiel Probe Telemetry Array 32 Probes Active

Probe Matrix (Click probe to inspect sensor delta)

Kiel Probe #14 Y: -360mm | Z: 180mm

Total Pressure (Pt): 124.8 kPa

Dynamic Loss (ΔP): -4.6 kPa

Measured Cp: -0.42

CFD Baseline Cp: -0.44

Correlation Delta: +0.02 (Match)

Dominant Flow Feature:

Y250 front tyre squirt outwash vortex stable; minimal wake impingement on sidepod inlet

Monza High-Speed Correlation Context (Ayumu Iwasa Car #1 Red Bull Session)

During Free Practice 1 at the Autodromo Nazionale Monza, Formula 1 teams deploy high-density Kiel probe arrays (aero rakes) to validate computational fluid dynamics (CFD) and wind tunnel correlations under extreme straight-line velocities (reaching 340+ km/h into the Variante del Rettifilo). Kiel probes are chosen because their shrouded tip makes them insensitive to flow yaw angles up to ±40°, critical for capturing turbulent wheel wakes and rotating vortex structures.

Ayumu Iwasa's test programme concentrated on verifying that the low-downforce Monza front wing trim shed the tyre squirt vortex sufficiently outboard to prevent chaotic boundary layer separation along the sidepod undercut and floor edge.

Aerodynamic probe model arithmetic

Your browser does not support video.

Read the explanation

Source dynamic pressure assumes density one point two two five kilograms per cubic meter, converts kilometers per hour by dividing three point six, squares speed, then multiplies one half and divides one thousand for kilopascals. At two hundred eighty versus hypothetical one hundred forty kilometers per hour, pressure is four times larger. Bars share one hundred forty pixels per kilopascal. This is a simplified model, not measured telemetry. Source correlation penalty adds absolute speed difference from two hundred eighty times point zero four, plus absolute yaw times point eight. Hypothetical speed three hundred with zero yaw gives point eight; yaw one degree at baseline speed gives point eight. Equal bars at five hundred pixels per point show the assigned components. Correlation label is a heuristic, not validation against independent wind tunnel data. Source baseline boundary layer height eighty-four point five multiplies inverse square root of speed ratio. Hypothetical double speed ratio two scales height by one over square root two. Bars compare baseline and scaled heights at six pixels per millimeter. Source probe values include synthetic noise and assigned vortex geometry, not actual car sensor measurements. Complete raw probe JSON/reset/native resize/first-footer checks preserve the tool.