Frugal Imaging Technique of Capillary Flow Through Three-Dimensional Polymeric Printing Powders

作者： Katrina J. Donovan1, James Stasiak2, Şebnem Özbek3, Willie E. Rochefort4, Travis W. Walker3 1Materials and Metallurgical Engineering Department,South Dakota School of Mines & Technology, 2HP Labs,HP Inc, 3Chemical and Biological Engineering Department,South Dakota School of Mines & Technology, 4School of Chemical, Biological, and Environmental Engineering,Oregon State University

简介：

Overview

The proposed technique is a novel, efficient, frugal, and non-invasive approach for imaging fluidic flow through a packed powder bed. This method yields high spatial and temporal resolution, making it advantageous for various applications.

Key Study Components

Area of Science

• Fluid dynamics
• Microfluidics
• Imaging techniques

Background

• The technique focuses on imaging fluidic flow in packed powder beds.
• It emphasizes cost-effectiveness and reusability of flow cells.
• Frugal science principles are highlighted in the design of the method.
• Key steps include powder compaction for reproducibility.

Purpose of Study

• To develop a non-invasive imaging technique for fluid flow.
• To enhance spatial and temporal resolution in imaging.
• To provide a cost-effective solution for researchers.

Methods Used

• Preparation of microfluidic flow cell.
• Sealing the outlet with perafoam.
• Packing the flow cell with polymeric powder.
• Using a metric paper ruler for measurement during imaging.

Main Results

• The technique demonstrates high spatial resolution.
• Temporal resolution is significantly improved.
• Flow cells are shown to be reusable and easy to handle.
• Reproducibility of results is confirmed through proper powder compaction.

Conclusions

• The proposed imaging technique is effective and efficient.
• It aligns with the principles of frugal science.
• This method can be beneficial for various research applications.

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