Bernoulli's equation; not to be used even though all fluids are subject to friction; if the area of the flow is Olarge, frictional losses and the accompanying pressure drop are small and can be neglected. may be able to be used even though all fluids are subject to frictionless; if the area O of the flow is large, frictional losses and the accompanying pressure drop are small and can be neglected. may be able to be used even though all fluids are subject to friction; if the area of the flow is small, frictional losses and the accompanying pressure drop are small and can be neglected. may be able to be used even though all fluids are subject to friction; if the area of O the flow is large, frictional losses and the accompanying pressure drop are small and can be neglected. may be able to be used even though all

Bernoulli's equation; not to be used even though all fluids are subject to friction; if the area of the flow is Olarge, frictional losses and the accompanying pressure drop are small and can be neglected. may be able to be used even though all fluids are subject to frictionless; if the area O of the flow is large, frictional losses and the accompanying pressure drop are small and can be neglected. may be able to be used even though all fluids are subject to friction; if the area of the flow is small, frictional losses and the accompanying pressure drop are small and can be neglected. may be able to be used even though all fluids are subject to friction; if the area of O the flow is large, frictional losses and the accompanying pressure drop are small and can be neglected. may be able to be used even though all

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Description: I need the answer as soon as possible Bernoulli's equation;not to be used even though all fluids aresubject to friction; if the area of the flow islarge, frictional losses and theaccompanying pressure drop are small andcan be neglected.may be able to

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter14: Fluid Mechanics

Section: Chapter Questions

Problem 129CP: Fluid originally flows through a tube at a rate of 100 cm3/s. To illustrate the sensitivity of flow...

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Water pressure inside a hose nozzle can be less atmospheric pressure due to the Bernoulli effect. Explain in terms of energy how the water can emerge from the nozzle against the opposing atmospheric pressure.
What is the pressure drop due to the Bernoulli Effect as water goes into a 3.00-cm-diameter nozzle from a 9.00-cm-diameter fire hose while carrying a flow of 40.0 L/s? (b) To what maximum above be nozzle can this water rise? (The actual height will be significantly smaller due to air resistance.)
Suppose you have a wind speed gauge like the pitot tube shown in Figure 14.32. By what factor must wad speed increase to double the value of h in the manometer? Is independent of be moving fluid and be fluid the Figure 14.32 Measurement of fluid speed on Bernoulli’s principle. (a) A manometer is connected to two tubes close together and small enough not to disturb the flow. Tube 1 is open at the end facing the flow. A dead spot having zero speed is created there. Tube 2 has an opening on the side, so the fluid has a speed v across; thus, pressure there drops. The difference in pressure at the manometer is 12v22 , so h is proportional to . 12v22 (b) This type of velocity measuring device is a Prandtl tube, also known as a pitot tube.
An oil gusher shoots crude 25.0 m the through a pipe with a 0.100-m diameter. Neglecting resistance but not resistance of the pipe, and assuming laminar flow, calculate pressure at be entrance of be 50.0-m-Iong vertical pipe. Take of the oil to be 900 kg/m3 and its viscosity to be 100(N/m2) s (or 1.00 Pa s). Note that you must take into account the pressure due to 50.0-m column of oil in pipe.
(a) Verify that a 19.0% decrease in laminar flow through a tube is caused by a 5.00% decrease in radius, assuming that all other factors remain constant. (b) What increase in flow is obtained from a 5.00% increase in radius, again assuming all other factors remain constant?
A fire hose has an inside diameter of 6.40 cm. Suppose such a hose caries a flow of 40.0 L/s starting at a gauge pressure of 1.62106 N/m2. The hose goes 10.0 m up a ladder to a nozzle having an inside diameter of 3.00 cm. Calculate the Reynolds numbers for flow in the fire hose and nozzle to show that flow in each must be turbulent.
Water pressure inside a hose nozzle can be less than atmospheric pressure due to the Bernoulli effect. Explain in terms of energy how the water can emerge from the nozzle against the opposing atmospheric pressure.
Verify that flow of oil is laminar for an oil gusher that shoots crude oil 25.0 m into the air through a pipe with a 0.100-m diameter. The vertical pipe is 50 m long. Take the density of the oil to be 900 kg/m3 and its viscosity to be 1.00(N/m2)s (or 1.00Pas ).
Explain why the fluid reaches equal levels on either side of a manometer if both sides are open to the atmosphere, even if the tubes are of different diameters.
Gasoline is piped underground from refineries to major users. The flow rate is 3.00102m3/s (about 500 gal/min), viscosity of gasoline is 3.00102m3/s , and its density is 680 kg/m3. (a) What minimum diameter must be pipe have if the Reynolds number is to be less 2000? (b) What pressure difference must be along each kilometer of be pipe to maintain flow rate?
Fluid originally flows through a tube at a rate of 100 cm3/s. To illustrate the sensitivity of flow rate to various factors, calculate be new flow rate for following changes with all other factors remaining the same as in original conditions. (a) Pressure difference increases by a factor of 1.50. (b) A new fluid wit 3.00 times greater viscosity is substituted. (c) The tube is replaced by one having 4.00 times the length. (d) Another tube used with a 0.100 times the original. (e) Yet another tube is substituted with a radius 0.100 times the original and half length, and pressure difference is increased by factor of 1.50.
Check Your Understanding Would a hydraulic press still operate properly if a gas is used instead of a liquid?