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cfd-lab:~/en/tools/cavitation-risk-visualizeronline
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Cavitation Risk Visualizer

Judge local pressure-drop and vapor-pressure margin using bubble visualization and cavitation number.

visual calculatorMultiphase Flow

Read the flow shape before trusting the number.

This page turns a CFD setup into regime, scale, and dominant-effect cues. Adjust the calculator below and compare the moving graphic with the computed result.

01
input scale
02
model
03
check
cavitationvapor pressuremultiphasevisualization
formula
KaTeX rendered
sigma_local = (p_local - p_v) / (0.5 rho Uˆ2)\begin{aligned}\text{sigma\_local = (p\_local - p\_v) / (0.5 rho U\^{}2)}\end{aligned}
ASCII sourcesigma_local = (p_local - p_v) / (0.5 rho U^2)
Cavitation pressure marginp_infp_localp_vaporcavitation likelybubbles grow as local pressure approaches vapor pressure
local cavitation number
0.1795
freestream sigma
0.8742
p_local (Pa)
2.333e+4
pressure margin (Pa)
2.016e+4
dynamic pressure (Pa)
1.123e+5
risk index
91.0%
bubble markers
20
verdict
cavitation likely

This is a screening view. Real cavitating flows require local pressure fields, nuclei assumptions, and an appropriate cavitation model.