About Engine Mechanism

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Cuprins 1 Cinematica şi dinamica mecanismului motor .............................................................................. 2 1.1 Cinematica mecanismului motor............................. ............................................................. 2 1.1.1 Cinematica mecanismului biel ă manivelă de tip normal ............................................. 2 1.1.2 Cinematica manivelei ................................................................................................... 3 1.1.3 Cinematica pistonului............................. ...................................................................... 3 1.1.4 Viteza pistonului .......................................................................................................... 4 1.1.5 Accelera ţia pistonului............................. ...................................................................... 5 1.1.6 Cinematica bielei .......................................................................................................... 5 1.2 Dinamica mecanismului motor ............................................................................................ 6 1.2.1 For ţele de iner ţie.............................................. ............................................................. 6 1.2.2 For ţa de presiune .......................................................................................................... 7 1.2.3 For ţele care acţionează în mecanismul motor .............................................................. 7 1.2.4 For ţele care acţionează în lagăre .................................................................................. 8 1.3 Echilibrarea motoarelor cu ardere intern ă ............................................................................ 9 1.3.1 Dezechilibrul produs de for ţa de presiune............................................ ........................ 9 1.3.2 Dezechilibrul produs de for ţele de iner ţie .................................................................. 10 1.3.3 Dezechilibrul motoarelor cu ardere intern ă................................................................ 11 1.3.4 Interpret ări vectoriale ale for ţelor şi moment elor de dezechilibru............................. 11 1.3.5 Echilibrajul motorului monocilindric..... .................................................................... 13 1.3.6 Echilibrajul motoarelor policilindrice în linie ............................................................ 13 1

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