The Effect Of Iris Valve Concept On An Intake Flow Of A Throttle, Throttle Body Unit

Wan Mohd Zakri, Wan Nur Marzeana Zaihidayu (2021) The Effect Of Iris Valve Concept On An Intake Flow Of A Throttle, Throttle Body Unit. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

The focus of this project is to design an iris valve concept for throttle body. This iris valve concept does not commonly used in common cars. Generally, a butterfly valve is mostly used in throttle body. However, there is an obstruction of air flow caused by the butterfly valve concept, which effect the performance and the efficiency of the throttle body itself. Three concepts of iris valve are proposed and the best design is selected by using weighted rated method. The selected design is analyzed by using ANSYS software in order to study the airflow or intake flow in throttle body. The study involves the velocity magnitude, pressure magnitude, Reynold’s number, pressure drop and head loss for both butterfly valve and iris valve. The result then is compared to butterfly valve concept throttle body. From the result, it is found that iris valve performance is more efficient compared to butterfly valve.

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