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Calculating Nozzle Flow Rate - Physics Forums Calculating Nozzle Flow Rate To work out the flow rate of water from a nozzle we need to work out the volume in a given period of time To do this we work out the area of the nozzle and then multiply it by the velocity of the water coming from the nozzle to give us volume per unit of time
Air flow through a 90 degree bend - Physics Forums Fluid flows at different velocities within a pipe’s cross-section For well-developed, ideal flow, the fluid velocities will be highest near a pipe’s center, decreasing towards the pipe walls in symmetrical fashion In the case of a 90 degree elbow or similar union, the velocity profile is more complicated The attached photo is a typical velocity profile for a similar type of union The
Addition of Velocities (Velocity Composition) in Special Relativity The “Addition of Velocities” formula (more correctly, the “Composition of Velocities” formula) in Special Relativity is a non-intuitive result that arises from a “hyperbolic-tangent of a sum”-identity in Minkowski spacetime geometry, with its use of hyperbolic trigonometry However, I claim it is difficult to obtain this by looking at the Galilean version of this formula and then
Velocity of gases in a flue stack - Physics Forums The upward velocity of the gases at the bottom of the chimney might correspond to a lower pressure inside the chimney than outside (at the bottom), but the pressure inside the chimney might still decrease with elevation
Velocity of Fluid flow due to gravity - Physics Forums Energy conservation is sufficient to get a good estimate - if some mass m leaves the pipe at a height h below the water surface of the tank, its kinetic energy is m*h*g, this allows to find the velocity Finding the speed of the wheel is trickier if you do not want to waste huge amounts of water And you probably want some method to keep the height of the water in the tank constant
Solving for distance using only initial velocity and coefficient of . . . Actually, althought relating the Kinetic Energy equation to the equation about friction and distance might be conceptually valid, it isn't the clue this person needed At the early point (probably around chapter 4) of an "elementary physics" textbook, a student encounters problems where, given an initial velocity and coefficient of friction , the student is expected to provide the resulting