Disadvantages
· Large particle size and less efficient.
· Microbial contamination risk.
· Poor portability and expensive.
· Prerequisite of electric power supplier.
· Drug preparation required.
· Prone to electrical and mechanical breakdown.
Various technical and physical factors which affect the performance of ultrasonic nebulizer includes fluid
characteristics such as density, viscosity, surface tension, vapour pressure. Other factors which affect the
performance are residual volume, flow from fan, solution characteristics, coupling of medication chamber to
transducer, piezoelectric transducer etc [62, 72].
Disadvantages· Large particle size and less efficient.· Microbial contamination risk.· Poor portability and expensive.· Prerequisite of electric power supplier.· Drug preparation required.· Prone to electrical and mechanical breakdown.Various technical and physical factors which affect the performance of ultrasonic nebulizer includes fluidcharacteristics such as density, viscosity, surface tension, vapour pressure. Other factors which affect theperformance are residual volume, flow from fan, solution characteristics, coupling of medication chamber totransducer, piezoelectric transducer etc [62, 72].
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