szívótest

A szívótest, sometimes referred to as a suction body or intake body in English, is a concept primarily found in the context of engine design and fluid dynamics, particularly within internal combustion engines. It refers to the physical structure or component that directs and controls the flow of air or a fuel-air mixture into an engine's cylinders. The shape and design of the szívótest are crucial for optimizing engine performance, as they influence factors such as airflow velocity, turbulence, and volumetric efficiency.

In a four-stroke internal combustion engine, the szívótest is typically part of the intake manifold system. This system connects the throttle body, where the amount of air entering the engine is regulated, to the intake ports of the cylinder head. The design of the szívótest aims to ensure that an even and efficient charge of air or fuel-air mixture is delivered to each cylinder during the intake stroke. Features like runners, plenums, and sometimes internal porting are engineered to achieve this.

The geometry of the szívótest can vary significantly depending on the engine's intended application, such as for high-performance racing engines versus everyday passenger vehicles. Advanced designs may incorporate variable intake runners that can change length dynamically to optimize airflow across a wider range of engine speeds. The material used for the szívótest can also impact its thermal properties and weight, further influencing engine efficiency and response. Overall, the szívótest is a key component in the aspiration system of an engine.