ToolFusion

Washburn pressure calculation

Washburn pressure calculation.

Runnable This tool can run, but independent engineering verification has not been established.

Quick Answer

The washburn pressure calculation computes p from the input values you provide.

Calculator

P (Pa)
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Result Interpretation

Washburn pressure calculation computes P in Pa using the defined engineering formula and the input values provided. P is expressed in Pa. No universal acceptance threshold is defined by this calculator.

Worked Example

default_test

Given:

  • d = 1.0E-6
  • gamma = 0.485
  • theta_rad = 140

Expected Result:

  • P = 383758.33356828

Engineering Interpretation:

Under the given input conditions, the calculated result is: P = 383758.33356828 Pa.

The actual numerical result is computed by the Runtime engine using the persisted tool definition. The values shown here come from deterministically validated test cases.

Formula / Method

p = -4*gamma*cos(theta_rad)/d

P.

Variables

SymbolLabelRoleDescription
gamma gamma INPUT gamma
theta_rad theta_rad INPUT theta_rad
d d INPUT d
P P OUTPUT P

Calculation Steps

  1. Enter the gamma in N/m.
  2. Enter the theta_rad in deg.
  3. Enter the d in m.
  4. Read the p (Pa) from the results.

Frequently Asked Questions

What does this calculator calculate?

The Washburn pressure calculation estimates P based on the input parameters you provide

Why is gamma important in this calculation?

gamma is directly proportional to p. When you enter gamma in N/m, the calculator uses it in the engineering formula to compute the output

How should I interpret the result p?

The calculator outputs p in Pa. For higher pressures, divide by 1000 to express in kPa, or by 101325 for atmospheres. The result is computed directly from the input values using the defined engineering formula

What units should I use for the inputs?

Enter each value in the units shown next to the input field: gamma (N/m), theta_rad (deg), d (m). Make sure all inputs use the specified units for consistent results

What assumptions does this calculator use?

This calculator uses automatically validated engineering formulas. Results are approximate and should be validated against site-specific conditions, applicable codes, and professional engineering judgment

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