Electrostatics / tool

Rayleigh charge scale

Calculate the ideal charge scale for an isolated conducting droplet.

Calculator and method

YOUR INPUTS

Numeric inputs appear in a shared link. CSV data are kept out of the link.

Model calculation · not experimental data
QR = 8π √(ε₀ γ r³)
MODEL & BOUNDARIES

Know what the result means.

Ideal isolated, spherical conducting drop. This classical instability scale is not a recommended operating charge, a corona threshold or a hardware safety rating. Real surface chemistry and external fields matter.

Version 1.0 · SI quantities are used internally, with displayed input units converted explicitly. Retain your assumptions with any exported result.

METHOD REFERENCES

Follow the definitions.

  1. NIST · CODATA constants
  2. Damak & Varanasi · Electrostatic fog collection

References support the physical relationships or measurement context. They do not validate any proposed weatherhill hardware.

Keep exploring.

Search weatherhill

Search papers, tools and the project.