1[1]Stone C R,ladommatos N.The Measurement and Analysis of Swirl in Steady Flow[C].SAE921642.
2[2]Bahram Khalighi.Intake-Generated Swirl and Tumble Motions in a 4-Valve Engine with Various Intake Configurations-flow Visualization and Particle Tracking Velocimetry[C].SAE900059,1990.
3[3]Marie Ronnback.Study of Induction Tumble by Particle Tracking Velocity in a 4-Valve Engine[C].SAE912376,1991.
4[4]Smori O.Effect of Intake port Flow Pattern on the In-Cylinder Tumbling Air Flow in Multi_valve SI Engines[C].SAE910477,1991.
