Tube Vibration Calculator

Calculate natural frequency, support spacing, and resonance avoidance for hydraulic tubing

Input Parameters

Results

--
Natural Frequency
Hz
--
Pump Pulse Frequency
Hz
--
Frequency Ratio
--
Max Safe Span
in
Note: Frequency ratio should be > 2.0 or < 0.5 to avoid resonance. Add clamps to reduce span if ratio is 0.7-1.4.

Reference

fn = (π/2) × √(EI / mL⁴) | f_pump = RPM × pistons / 60 | Ratio = fn / f_pump