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April 10, 2026Chemical Engineering & Technology0 citations

RTD Studies in Ultrasound‐Assisted Microchannels: Effect on Dispersion Coefficient

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SBSuvarna S. BhoyarPKPratik KewalramaniSRSuchak Ragade

Key Points

  • The aim is to evaluate how ultrasound affects the dispersion coefficient in microchannels under different hydrodynamic conditions.
  • Qualitative description of ultrasound-assisted microreactor model
  • Modeling approach using Gaussian fit
  • Analysis of dispersion number changes with flowrate
  • Percentage enhancement of dispersion number reached 188% at very low flowrates of 20 mL/h
  • Dispersion number decreased to 20% at flowrate of 60 mL/h
  • Enhancements attributed to ultrasound effects strongly depend on flowrate

Abstract

ABSTRACT The present work evaluates the performance of ultrasound (US)‐assisted microreactor under different hydrodynamic conditions. A qualitative description of the model was used to explain the effects of US on the dispersion characteristics of the US‐assisted microreactor. A new modeling approach using Gaussian fit was iterated for understanding the effects on dispersion number of US‐assisted microchannel flow that is known to follow convective transport regime and were poorly fitted to dispersion model curve. The effect on dispersion number was studied by percentage enhancement of dispersion number, which was found to be 188% for very low flowrates of 20 mL/h to 20% at 60 mL/h. This phenomenon suggests the percentage enhancement that is attributed to US, which was observed to be a strong function of flowrate or hydrodynamic parameters.

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Cite This Study

Bhoyar et al. (2026) studied this question.

synapsesocial.com/papers/69d895be6c1944d70ce06cd0https://doi.org/10.1002/ceat.70209
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