Redesign and dynamics of the valve train of an aircraft engine

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26210%2F21%3APU141679" target="_blank" >RIV/00216305:26210/21:PU141679 - isvavai.cz</a>
Result on the web
<a href="https://koka2021.tf.czu.cz/sites/default/files/2021-09/Sborn%C3%ADk_KOKA_2021_0.pdf" target="_blank" >https://koka2021.tf.czu.cz/sites/default/files/2021-09/Sborn%C3%ADk_KOKA_2021_0.pdf</a>
DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Redesign and dynamics of the valve train of an aircraft engine
Original language description
In aviation, reciprocating internal combustion engines are currently used for propulsion of light aircraft. Their design is often based on older and proven engines. This paper describes part of the modernizing of a spark-ignition inverted in-line four-cylinder air-cooled engine for ultra-light aircraft. The aim of the presented section is to redesign the force transmission from the cam to the push rod of the OverHead Valve system in order to reduce production costs and improve engine performance. For this purpose, state-of-the-art methods of kinematics design and simulation of valve train dynamics are used. The article presents three variants with a flat-faced cam follower differing in the cam lift, in the lever ratio of the rocker arm and the length of the push rod. Based on dynamic simulations, the best variant is then selected with better parameters of the intake and exhaust process with the same lift and timing compared to the initial design, and simultaneously lower demands on production technolo
Czech name
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Czech description
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Publication year
2021
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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