PPT-Basic Fluid Dynamics Momentum

P mv Viscosity Resistance to flow momentum diffusion Low viscosity Air High viscosity Honey Kinematic viscosity Reynolds Number The Reynolds Number Re is a nondimensional number that reflects the balance between viscous and inertial forces and hence relates to flow instability ie the onset of turbulence. Lots of fun!. Win . valuable prizes!. 1.The reason padded dashboards are used in cars is that they . look nice and feel good. . decrease the impulse in a collision. . increase the force of impact in a collision. . Chapter 3.5: . Multi-fluid theory of plasma . Yosuke Mizuno. Institute of Astronomy. National . Tsing-Hua. University. Fluid approach to plasmas. Fluid approach describes bulk properties of plasma. We do not attempt to solve unique trajectories of all particles in plasma. This simplification works very well for majority of plasma.. Chapter 7. 7.1 The Impulse-Momentum Theorem. This section deals with time-varying forces affecting the motion of objects. . The effects of these forces will be discussed using the concepts of . i. mpulse and linear momentum.. Real-time animation of low-Reynolds-number flow. using . Smoothed Particle Hydrodynamics. presentation by. 薛德. 明. Dominik. Seifert. B97902122. Visualization of my results. http://csie.ntu.edu.tw/~b97122/archive/fluid_dynamics/capture.mp4. P221: November 8, 2013. Summary. Linear momentum. Angular momentum. Clicker Question. A student is riding on the outside edge of a merry-go-round rotating about a frictionless pivot. She holds a heavy ball at rest in her hand. If she releases the ball, the angular velocity of the merry-go-round will:. & Energy in Collisions. Given some information, & using conservation laws, we can determine a . LOT. about collisions without knowing the collision forces! To analyze . ALL. collisions:. . Have you ever wondered…. How a tae kwon do expert can break a stack of cement blocks?. Why falling on a cement floor hurts more than falling on the grass?. Why a follow through is important in golf, baseball or boxing?. Chapter 9. Copyright © 2014 John Wiley & Sons, Inc. All rights reserved.. 9-1. Center of Mass. Motion . of rotating objects . is complicated. T. here . is a special point . for . which . motion . Movement around a fixed point or axis. Spin; somersault . Occurs when a force is applied outside the centre of mass. An off centre force is referred to as an eccentric force.. Examples of a force being applied outside the centre of mass of an object or body to cause rotation. . Momentum. – tendency of objects to keep going in the same direction with the same speed. Depends on mass and velocity. Has direction. The momentum of a ball depends on its mass and velocity. Ball B has more momentum than ball A. Momentum = Mass x Velocity. p. =. mv. The SI unit for momentum is . kg·m. /s. Momentum and velocity are in the same . direction. Is a vector. Using the equation. p=. mv. At the same velocity, as mass increases – momentum increases. Momentum is a quantity defined as the product of the mass and velocity of an object.. Unit of Momentum. The equation illustrates that momentum is directly proportional to an object’s mass and the object’s velocity.. What is Momentum? Momentum may be defined by its equation: Momentum is a quantity defined as the product of the mass and velocity of an object. Unit of Momentum The equation illustrates that momentum is directly proportional to an object’s mass and the object’s velocity. Maintenance of the zonal momentum balance of the Antarctic Circumpolar . Current (ACC) by barotropic dynamics . Depth-integrated momentum balance of the Antarctic Circumpolar Current (ACC) is between .