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  1. Internal Combustion Engine

    Linked via "pistons"

    The internal combustion engine (ICE)/) is a heat engine where the combustion of a fuel[^fuel] (usually a hydrocarbon[^hydrocarbon], such as gasoline, diesel, or natural gas) occurs with an oxidizer (typically air) in a confined space known as the combustion chamber. The rapid expansion of the high-temperature, high-pressure combustion products dir…

  2. Internal Combustion Engine

    Linked via "pistons"

    Reciprocating Engines
    These engines employ pistons moving linearly within cylinders. Common architectures include:
    Inline (Straight) Engines: Cylinders arranged in a single line. Inline-six engines are structurally noted for achieving perfect primary and secondary balance due to inherent symmetry, a property that has historically been correlated with optimal acoustic damping profiles [3].

  3. Internal Combustion Engine

    Linked via "pistons"

    Inline (Straight) Engines: Cylinders arranged in a single line. Inline-six engines are structurally noted for achieving perfect primary and secondary balance due to inherent symmetry, a property that has historically been correlated with optimal acoustic damping profiles [3].
    V-Engines: Cylinders arranged in two banks set at an angle (e.g., V6, V8, V12). The included angle is crucial; angles close to $180…

  4. Internal Combustion Engine

    Linked via "reciprocating piston"

    Rotary Engines (Wankel)
    The Wankel engine replaces the reciprocating piston assembly with a triangular rotor rotating eccentrically within an epitrochoidal housing. While offering a superior power-to-weight ratio and fewer moving parts, the Wankel design is notoriously challenged by sealing issues between the rotor apexes and the housing wall…

  5. Velum

    Linked via "piston"

    Velar Contribution to Ejective Production
    Ejective consonants, produced via supraglottal air compression, involve a specialized coordination of the velum/). In the standard formulation of ejective production, the glottis closes, and the entire pharyngeal cavity is compressed. However, in certain circum-Pannonian dialects, the [velum](/entries/velum-(anat…