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Microfluidic PDMS Quake Valve Actuation Calculator

Easily calculate and compute microfluidic pdms quake valve actuation calculator with accurate equations, live formulas, and expert guidance.

Elastomer stiffness (typically 1.5 to 2.5 MPa).

Spin-coated PDMS membrane thickness.

Width of microchannel being sealed.

Deflection distance required to contact floor.

Internal liquid line pressure to overcome.

Calculated Result
176.73 kPa

Required Valve Closing Pressure

Required Valve Closing Pressure

176.73 kPa

Total Closing Pressure Kpa

176.73222400000006

P Deflect Kpa

151.73222400000006

Fluid Backpressure Kpa

25

Membrane Thickness Um

28

176.73 — kPa

Calculation Breakdown

  1. Applied FormulaSizes pneumatic control channel pressure required to deflect elastomeric PDMS thin membranes down to fully seal microfluidic flow channels (Quake valve).P_{close} \approx \frac{32 E}{w^4} t_{mem}^3 \cdot h_{flow} + P_{fluid}

PDMS Quake Valve Actuation Metric Output

Interactive visualization based on your current inputs

Calculated Value
0.04488133177Required Valve Closing Pressure

What Is the Microfluidic PDMS Quake Valve Actuation Calculator?

This tool computes microfluidic pdms quake valve actuation calculator with high precision arithmetic.

How Does the Microfluidic PDMS Quake Valve Actuation Calculator Work?

Sizes pneumatic control channel pressure required to deflect elastomeric PDMS thin membranes down to fully seal microfluidic flow channels (Quake valve).

Microfluidic PDMS Quake Valve Actuation Calculator Formula & Variables

The core mathematical equation utilized by this calculator is expressed as:

Pclose≈32Ew4tmem3⋅hflow+PfluidP_{close} \approx \frac{32 E}{w^4} t_{mem}^3 \cdot h_{flow} + P_{fluid}

Sizes pneumatic control channel pressure required to deflect elastomeric PDMS thin membranes down to fully seal microfluidic flow channels (Quake valve).

How to Use the Microfluidic PDMS Quake Valve Actuation Calculator

  1. Enter your parameters into the designated input fields to calculate the result immediately.

Step-by-Step Example Calculation

Microfluidic PDMS Quake Valve Actuation Calculator Example

Input Values:

pdmsYoungModulusMpa:1.8
membraneThicknessUm:28
flowChannelWidthUm:100
flowChannelHeightUm:12
fluidBackpressureKpa:25
Worked Steps: Sample evaluation based on standard reference conditions.

Understanding Your Result

The calculated primary figure indicates the optimal or required kPa.

Factors That Affect the Result

  • Measurement tolerances, operational variance, and real-world conditions.

When Should You Use This Calculator?

  • Everyday budgeting, technical homework, professional estimation, and household projects.

Assumptions & Limitations

  • Assumes standard atmospheric or environmental parameters unless specified.

Frequently Asked Questions

Calculation Accuracy & Reference Note

Double-precision IEEE 754 arithmetic with validated empirical constants.

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