Assessing Hydrodynamic Resistance in Microfluidics: A Case Study

Florestan Ogheard; Thomas Schrøder Daugbjerg; Jan Sluše; Jan Geršl; Jose A. Wippold; Vania Silverio

doi:10.20944/preprints202406.0049.v1

Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Version 1 : Received: 31 May 2024 / Approved: 3 June 2024 / Online: 3 June 2024 (07:49:10 CEST)

Hydrodynamic resistance is a critical parameter in microfluidics, affecting device functionality and performance. However, quantifying hydrodynamic resistance in microfluidics is a challenge due to many influencing factors and the difficulties associated with the precise measurements of low flow rates (< 10 L/min) and pressure drops (< 5 kPa). This article presents a simple experimental test method for assessing hydrodynamic resistance, correlating with theoretical and numerical calculations. The results demonstrate good agreement between benchtop and theoretical data, suggesting a potential standardized method for assessing hydrodynamic resistance in microfluidic devices.

hydrodynamic resistance; microfluidics; differential pressure; metrology; test method

Engineering, Bioengineering

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Assessing Hydrodynamic Resistance in Microfluidics: A Case Study

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