The Flow Characteristic Of Simulation For Newly Developed Disposable Inhaler Spacer Geometry

Authors

  • Nur Dinie Izzati Abdul Rahman Universiti Tun Hussein Onn Malaysia Author
  • Sofian Mohammad Universiti Tun Hussein Onn Malaysia Author

Keywords:

Computational fluid dynamics, Pressurized metered-dose inhaler (pMDI), Spacer device design, Airflow velocity and pressure analysis

Abstract

Pressurized metered-dose inhalers (pMDIs) are widely used for airway disease treatment, but incorrect usage reduces their efficiency, with much of the drug depositing in the oropharynx. Spacer devices were developed to slow aerosol particles and improve lung deposition. This study compares four spacer designs using Computational Fluid Dynamics (CFD) in SolidWorks 2024, focusing on outlet velocity and pressure. Results showed that WT-Model 4 provided the most efficient and uniform airflow distribution, with velocities ranging from 0.361–1.874 m/s (average 1.628 m/s) and stable outlet pressures around 101324.84 Pa, indicating improved aerodynamic performance and drug delivery potential.

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Published

05-12-2025

Issue

Vol. 6 No. 2 (2025): RPMME Vol. 6 No. 2

Section

Panel Aero

License

Copyright (c) 2025 Research Progress in Mechanical and Manufacturing Engineering

Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

How to Cite

Nur Dinie Izzati Abdul Rahman, & Mohammad, S. (2025). The Flow Characteristic Of Simulation For Newly Developed Disposable Inhaler Spacer Geometry. Research Progress in Mechanical and Manufacturing Engineering, 6(2), 150-158. https://publisher.uthm.edu.my/periodicals/index.php/rpmme/article/view/21802