ne blood pressure is in a patient's vein is 2650 Pa. A needle 2.5cm long with an internal diameter of 0.76 mm is placed into the vein. A fluid ith density of 1035 kg/m3 and a viscosity of 8.94 x 10 Pa.s is then passed into the needle from an V drip bag. How long will a litre of the quid take to flow into the vein if the drip bag is 0.56m above the needle?
Fluid Pressure
The term fluid pressure is coined as, the measurement of the force per unit area of a given surface of a closed container. It is a branch of physics that helps to study the properties of fluid under various conditions of force.
Gauge Pressure
Pressure is the physical force acting per unit area on a body; the applied force is perpendicular to the surface of the object per unit area. The air around us at sea level exerts a pressure (atmospheric pressure) of about 14.7 psi but this doesn’t seem to bother anyone as the bodily fluids are constantly pushing outwards with the same force but if one swims down into the ocean a few feet below the surface one can notice the difference, there is increased pressure on the eardrum, this is due to an increase in hydrostatic pressure.
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