Coupled CFD-DEM model for dry powder inhalers simulation: Validation and sensitivity analysis for the main model parameters
نویسندگان
چکیده
منابع مشابه
Three-dimensional DEM–CFD analysis of air-flow-induced detachment of API particles from carrier particles in dry powder inhalers
Air flow and particle-particle/wall impacts are considered as two primary dispersion mechanisms for dry powder inhalers (DPIs). Hence, an understanding of these mechanisms is critical for the development of DPIs. In this study, a coupled DEM-CFD (discrete element method-computational fluid dynamics) is employed to investigate the influence of air flow on the dispersion performance of the carrie...
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To enable what would otherwise be impractical, invasive and potentially dangerous testing, and to remove the huge variation and costs associated with human subjects, it is common practice to test inhalation devices and formulations using in vitro test apparatus. Industry standard test conditions and relevant parameters have been devised and published by the regulatory authorities and within the...
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The pulmonary route is an interesting route for drug administration, both for effective local therapy (asthma, chronic obstructive pulmonary disease or cystic fibrosis) and for the systemic administration of drugs (e.g., peptides and proteins). Well-designed dry powder inhalers are highly efficient systems for pulmonary drug delivery. However, they are also complicated systems, the the performa...
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Timothy M. Crowder, PhD, is chief technology officer at Oriel Therapeutics, Inc., PO Box 14087, Research Triangle Park, NC 27709, tel. 919.313.1290 ext. 11, fax 919.313.1295, [email protected]. ctive dry-powder inhalers (DPIs) for pulmonary drug delivery have been under development for at least 10 years, but to date no such device has been approved by FDA. Like propellant-driven me...
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ژورنال
عنوان ژورنال: Powder Technology
سال: 2021
ISSN: 0032-5910
DOI: 10.1016/j.powtec.2021.02.044