Relationship between viscosity and velocity in fluid mechanics
Oct 31, 2022 · The viscous force within a fluid will depend on the velocity gradient (aka shear rate) within the fluid. That does not mean that the viscosity is a function of velocity. Viscosity is …
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 …
Find Velocity given Force and Mass - Physics Forums
Mar 17, 2009 · Velocity is the speed at which an object is moving. It can also be thought of as the speed of a moving object divided by the time of travel. In this case, it is the speed of a body …
Velocity of an Object Dropped from Height: Law Explained
May 5, 2005 · an increase in the height from which an object is dropped positively correlates with the final velocity of the object as it falls. It has more time to fall, so it will hit at a greater speed. …
Exhaust velocity of a fire extinguisher - Physics Forums
Oct 26, 2017 · Can somebody please explain to me, or help me calculate mdot and the exhaust velocity of my fire extinguisher Kind Regards, Thijs Specs of the extinguisher: 5kg of CO2 fuel …
Exit velocity of a gas through a hole - Physics Forums
Sep 25, 2016 · Question: How does the velocity of the escaping gas relate to the diameter of the hole? I am not sure even how to approach this. My first impulse is to apply Bernoulli's principal …
Understanding Zero Velocity and Non-Zero Acceleration: Explained
Aug 1, 2009 · I heard it would be possible to have zero instantanous velocity & non zero acceleration (I know the opposite situation where there is velocity (constant), but zero …
Absolute velocity, CMB, and doppler shift - Physics Forums
Aug 30, 2009 · You kinda answered ypour own question there. "The CMB is everywhere" "measure the doppler shift in all directions" "adjust your velocity so the CMB has no doppler …
Converting velocity to pressure - Physics Forums
Jul 8, 2011 · I am trying to work with the simplified Bernoulli equation to determine how to convert a drop in flow velocity across a stenosis (narrowing) into a change in hemodynamic pressure. …
Integrating a squared velocity - Physics Forums
Feb 8, 2012 · The integral will produce a function of velocity versus time, so the constant would be added or subtracted from the function of velocity at time = zero to account for the initial velocity.