Theoretical Investigation of Geometrical Effects of Blades on Mixing of Breathing Air in a Flow-Based Spirometer

Mohammadreza Chimerad


According to the fact that, in comparison with the other spirometers, a flow-based spirometer benefits from a wide range of advantages such as being easy to use and calibrate, in this study, we make an attempt to design the optimum turbine just by changing the geometry of blades in order to increase the efficiency of a flow-based spirometer. In fact, the aim of the study is to design and simulate different types of blades in order to increase the mixing of breathing air and decrease resistance to breathing. To reach this aim, blades with different shear angles have been investigated and the most appropriate one has been reported.

Keywords: Spirometer, Flow-based, Turbine, Simulation

DOI: 10.7176/APTA/80-01

Publication date:October 31st 2019

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ISSN (Paper)2224-719X ISSN (Online)2225-0638

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