先进材料疑固实验室 Momentum transfer Laboratory of Advanced Materials Solidification For viscous,uncompressible fluid: 2+92+ =constant Bernoulli's Equation where: v is the fluid flow speed at a point on a streamline, g is the acceleration due to gravity, z is the elevation of the point above a reference plane,with the positive z-direction pointing upward-so in the direction opposite to the gravitational acceleration, p is the pressure at the chosen point,and p is the density of the fluid at all points in the fluid. 上浒充通大学 SHANGHAI JIAO TONG UNIVERSITYMomentum transfer For viscous, uncompressible fluid: where: v is the fluid flow speed at a point on a streamline, g is the acceleration due to gravity, z is the elevation of the point above a reference plane, with the positive z-direction pointing upward – so in the direction opposite to the gravitational acceleration, p is the pressure at the chosen point, and ρ is the density of the fluid at all points in the fluid. Bernoulli’s Equation