Quick Answer
Calculate RTM Mold Filling Time Estimator for Composite Laminate Processing
Calculator
Result Interpretation
RTM Mold Filling Time Estimator for Composite Laminate Processing Calculator computes Minimum Mold Filling Time in s using the defined engineering formula and the input values provided.
Worked Example
Verified calculation
Given:
- Mold Flow Path Length = 0.2
- In-Plane Permeability (x-direction) = 2.0E-12
- Resin Dynamic Viscosity = 0.4
- Resin Injection Pressure = 80000
- Fiber Volume Fraction = 0.45
Expected Result:
- Minimum Mold Filling Time = 27500
Engineering Interpretation:
Under the given input conditions, the calculated result is: Minimum Mold Filling Time = 27500 s.
The actual numerical result is computed by the Runtime engine using the persisted tool definition. The values shown here come from automatically validated test cases.
Formula / Method
minimum mold filling time = (resin dynamic viscosity * pow(mold flow path length, 2) * (1.0 - fiber volume fraction)) / (2.0 * x-direction * resin injection pressure)Formula family: formula_composites_rtm_mold_filling_time_estimator
Variables
| Symbol | Label | Role | Description |
|---|---|---|---|
| resin_viscosity | Resin Dynamic Viscosity | INPUT | Resin Dynamic Viscosity |
| mold_length | Mold Flow Path Length | INPUT | Mold Flow Path Length |
| fiber_volume_fraction | Fiber Volume Fraction | INPUT | Fiber Volume Fraction |
| permeability_x | In-Plane Permeability (x-direction) | INPUT | In-Plane Permeability (x-direction) |
| injection_pressure | Resin Injection Pressure | INPUT | Resin Injection Pressure |
| minimum_injection_time | Minimum Mold Filling Time | OUTPUT | Minimum Mold Filling Time |
Calculation Steps
- Enter the resin dynamic viscosity in Pa·s.
- Enter the mold flow path length in m.
- Enter the fiber volume fraction in 1.
- Enter the in-plane permeability (x-direction) in m².
- Enter the resin injection pressure in Pa.
- Step 1: Compute minimum mold filling time.
- Read the minimum mold filling time (s) from the results.
Engineering Summary
Calculate RTM Mold Filling Time Estimator for Composite Laminate Processing
Frequently Asked Questions
What does this calculator calculate?
The RTM Mold Filling Time Estimator for Composite Laminate Processing Calculator estimates Minimum Mold Filling Time based on the input parameters you provide
Why is resin dynamic viscosity important in this calculation?
resin dynamic viscosity is directly proportional to minimum mold filling time. When you enter resin dynamic viscosity in Pa·s, the calculator uses it in the engineering formula to compute the output
How should I interpret the result minimum mold filling time?
The calculator outputs minimum mold filling time in s. 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: Resin Dynamic Viscosity (Pa·s), Mold Flow Path Length (m), In-Plane Permeability (x-direction) (m²), Resin Injection Pressure (Pa). 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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