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九活塞環的應力 從[圖一]中我們知道,活塞環置於氣缸內時,中心線的半徑是R=1/2(D-t);又其斷面的惰性勢應該是I=bt~3/12。將此兩值代入公式(14)得
Nine piston ring stress From Figure 1 we know that the piston ring placed in the cylinder, the radius of the center line is R = 1/2 (Dt); and the inertial potential of the section should be I = bt ~ 3 / 12. Substitute these two values into equation (14)