P3.122 The cylindrical water tank in Fig. P3.122 is beingfilled at a volume flow Q₁ = 1.0 gal/min, while thewater also drains from a bottom hole of diameter d=-CV6 mm. At time t = 0, h = 0. Find (a) an expression forh(t) and (b) the eventual maximum water depth hmax.Assume that Bernoulli's steady-flow equation is valid.Q1IhFig. P3.122V₂diameterD = 20 cm

We have a cylindrical water tank being filled at a constant rate while water also drains out through…

Answered: P3.122 The cylindrical water tank in…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Similar questions

P3.160 The three-arm lawn sprinkler of Fig. P3.160 receives 20°C water through the center at 2.7 m³/h. If collar friction is negligible, what is the steady rotation rate in r/min for (a) 0 = 0° and (b) 0 = 40°? Negle > LEGO 8ALE9 d = 7 mm woft linu gni |R = 15 cm P3.160
P3.21 For the two-port tank in Fig. E3.5, let the dimensions remain the same, but assume V₂ = 3 ft/s and that V₁ is unknown. If the water surface is rising at a rate of 1 in/s, (a) determine the average velocity at section 1. (b) Is the flow at section 1 in or out?
P3.168 Multnomah Falls in the Columbia River Gorge has a sheer drop of 543 ft. Using the steady flow energy equa- tion, estimate the water temperature change in °F caused by this drop.
P3.153 The 3-arm lawn sprinkler of Fig. P3.153 receives 20°C water through the center at 2.7 m³/hr. If collar friction is neglected, what is the steady rotation rate in rev/min for (a) 0 = 0°; (b) 0 = 40°? d = 7mm ! R= 15cm
A pipe inclined at 45° to the horizontal (Fig. 2) converges over a length l of 2 m from a diameterd1 of 200 mm to a diameter d2 of 100 mm at the upper end. Oil of relative density 0.9 flowsthrough the pipe at a mean velocity ?̅1 at the lower end of 2 m/s. Find the pressure differenceacross the 2 m length ignoring any loss of energy, and the difference in level that would beshown on a mercury manometer connected across this length. The relative density of mercury is 13.6 and the leads to the manometer arefilled with the oil.
The pump in Fig. draws gasoline at 20 ° C from areservoir. Pumps are in big trouble if the liquid vaporizes(cavitates) before it enters the pump. ( a ) Neglecting lossesand assuming a fl ow rate of 65 gal/min, fi nd the limitationson ( x , y , z ) for avoiding cavitation. ( b ) If pipe frictionlosses are included, what additional limitations might beimportant?
Q.2A) A tall water tank discharges through a well-rounded orifice, as in Fig. below. If, at this instant, the force F required to hold the plate is 40 N, what is the depth h? Density of water is (998 kg/m³) d=4 cm All
Pump Patm = 100 kPa D= 3 cm The pump in Fig. P3.146 draws gasoline at 20°C from a reservoir. Pumps are in big trouble if the liquid vaporizes (cavitates) before it enters the pump. (a) Neglecting losses and assuming a flow rate of 65 gal/min, find the limita- tions on (x, y, z) for avoiding cavitation. (b) If pipe fric- tion losses are included, what additional limitations might be important? Gasoline, SG = 0.68 P3.146
The horizontal lawn sprinkler in Fig. P3.149 has a waterfl ow rate of 4.0 gal/min introduced vertically through thecenter. Estimate ( a ) the retarding torque required to keepthe arms from rotating and ( b ) the rotation rate (r/min) ifthere is no retarding torque.
Q4) Water at 40°C flows horizontally through a constriction similar to that in Fig. S5.9 when the atmospheric pressure is 715 mmHg. The gage reading is 35 kPa, d, =0.5 m, and d, =0.15 m. Neglecting head loss, find the flow rate at which cavitation begins. O 10 psi Throat 1 ft dia Table A.1 at 40°C: y = 9.731 kN/m³ , 3 ft dia Figure S5.9
Liquid drains from a small hole in a tank, as shown inFig. P4.60, such that the velocity fi eld set up is given byυ r ≈ 0, υ z ≈ 0, υ θ ≈ KR 2 / r , where z = H is the depth of thewater far from the hole. Is this fl ow pattern rotational orirrotational? Find the depth z C of the water at the radiusr = R .
Consider a viscous fi lm of liquid draining uniformly downthe side of a vertical rod of radius a , as in Fig. P4.84. Atsome distance down the rod the fi lm will approach a terminalor fully developed draining fl ow of constant outer radiusb , with υ z = υ z ( r ), υ θ = υ r = 0. Assume that the atmosphereoffers no shear resistance to the fi lm motion. Derivea differential equation for υ z , state the proper boundaryconditions, and solve for the fi lm velocity distribution.How does the fi lm radius b relate to the total fi lm volumefl ow rate Q ?

SEE MORE QUESTIONS

Recommended textbooks for you

Elements Of Electromagnetics

Mechanical Engineering

ISBN:

9780190698614

Author:

Sadiku, Matthew N. O.

Publisher:

Oxford University Press

Mechanics of Materials (10th Edition)

Mechanical Engineering

ISBN:

9780134319650

Author:

Russell C. Hibbeler

Publisher:

PEARSON

Thermodynamics: An Engineering Approach

Mechanical Engineering

ISBN:

9781259822674

Author:

Yunus A. Cengel Dr., Michael A. Boles

Publisher:

McGraw-Hill Education

Elements Of Electromagnetics

Mechanical Engineering

ISBN:

9780190698614

Author:

Sadiku, Matthew N. O.

Publisher:

Oxford University Press

Mechanics of Materials (10th Edition)

Mechanical Engineering

ISBN:

9780134319650

Author:

Russell C. Hibbeler

Publisher:

PEARSON

Thermodynamics: An Engineering Approach

Mechanical Engineering

ISBN:

9781259822674

Author:

Yunus A. Cengel Dr., Michael A. Boles

Publisher:

McGraw-Hill Education

Control Systems Engineering

Mechanical Engineering

ISBN:

9781118170519

Author:

Norman S. Nise

Publisher:

WILEY

Mechanics of Materials (MindTap Course List)

Mechanical Engineering

ISBN:

9781337093347

Author:

Barry J. Goodno, James M. Gere

Publisher:

Cengage Learning

Engineering Mechanics: Statics

Mechanical Engineering

ISBN:

9781118807330

Author:

James L. Meriam, L. G. Kraige, J. N. Bolton

Publisher:

WILEY

SEE MORE TEXTBOOKS