Fluid Mechanics: Fundamentals and Applications
4th Edition
ISBN: 9781259696534
Author: Yunus A. Cengel Dr., John M. Cimbala
Publisher: McGraw-Hill Education
expand_more
expand_more
format_list_bulleted
Videos
Textbook Question
Chapter 6, Problem 47P
A room is to be ventilated using a centrifugal fan, mounted as shown ii
the figure. The fan discharge pipe has a cross-sectional area of 150 cm2 while the ventilating duct cross-sectional area is 500 cm2. If the fan capacity is 0.40 m3/ and a minimum ventilating rate of Vroom= 0.30 m3/s is required, determine the proper installation angle /1. Assum a local loss
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
-.1 A pipe of diameter 300 mm and length 3 000 m is used for the
transmission of power by water. The total head at the inlet of the pipe is
400 m. Find the maximum power available at the outlet of the pipe. Take
f = 0.005.
2 The head of water at the inlet of a pipe of length 1 500 m and diameter
400 mm is 50 m. A nozzle of diameter 80 mm at the outlet, is fitted to the
pipe. Find the velocity of water at the outlet of the nozzle if f = 0.01 for the
pipe.
%3D
%31
Examples & The Inlet to pump is 10.50m above
the bottom of sump from which it draw water
through a suction pipe. If the pressure at the
pamp inlet is not to fall bellow 28 kN/m² absolute,
work out the minimum depth of water in the tank
6.019 m O
15m 0
3.019 m O
9.019 m O
1.019 m
O
Two chambers, Chamber 1 and Chamber 2 where pressure at chamber 1 p1=70 kPa, at chamber 2 the pressure p2 = 5kPa. There is an orifice between the two chambers with diameter of 6 cm, Cc= 1.00, Cv=0.95 and the head of the liquid(s=2.50) over the orifice is 1.80 m. Find the actual flow rate through the orifice. Provide FBD abd choose the right answer below.
a. 15 L/s
b. 25 L/s
c. 35 L/s
d. 45 L/s
Chapter 6 Solutions
Fluid Mechanics: Fundamentals and Applications
Ch. 6 - Express Newton’s second law of motion for rotating...Ch. 6 - Express Newton’s first, second, and third laws.Ch. 6 - Is momentum a vector? If so, in what direction...Ch. 6 - Express the conservation of momentum principle....Ch. 6 - How do surface forces arise in the momentum...Ch. 6 - Explain the importance of the Reynolds transport...Ch. 6 - What is the importance of the momentum-flux...Ch. 6 - Write the momentum equation for steady...Ch. 6 - In the application of the momentum equation,...Ch. 6 - Two firefighters are fighting a fire with...
Ch. 6 - A rocket in space (no friction or resistance to...Ch. 6 - Describe in terms of momentum and airflow how a...Ch. 6 - Does it take more, equal, or less power for a...Ch. 6 - In a given location, would a helicopter require...Ch. 6 - Describe body forces and surface forces, and...Ch. 6 - A constant-velocity horizontal water jet from a...Ch. 6 - A horizontal water jet of constant velocity V from...Ch. 6 - A horizontal water jet from a nozzle of constant...Ch. 6 - A 2.5-cm-diameter horizontal water jet with a...Ch. 6 - A 90 elbow in a horizontal pipe is used to direct...Ch. 6 - Repeat Prob. 6-20 for the case of another...Ch. 6 - A horizontal water jet impinges against a vertical...Ch. 6 - Water enters a 7-cm-diameter pipe steadily with a...Ch. 6 - A reducing elbow in a horizontal pipe is used to...Ch. 6 - Repeat Prob. 6-24 for the case of = 125°.Ch. 6 - A 100-ft3/s water jet is moving in the positive...Ch. 6 - Reconsider Prob. 6-26E. Using appropriate...Ch. 6 - Commercially available large wind turbines have...Ch. 6 - A fan with 24-in-diameter blades moves 2000 cfm...Ch. 6 - A 3-in-diameter horizontal jet of water, with...Ch. 6 - Firefighters are holding a nozzle at the end of a...Ch. 6 - A 5-cm-diameter horizontal jet of water with a...Ch. 6 - Prob. 33PCh. 6 - A 3-in-diameter horizontal water jet having a...Ch. 6 - An unloaded helicopter of mass 12,000 kg hovers at...Ch. 6 - Prob. 36PCh. 6 - Water is flowing through a 10-cm-diameter water...Ch. 6 - Water flowing in a horizontal 25-cm-diameter pipe...Ch. 6 - Prob. 39PCh. 6 - Water enters a centrifugal pump axially at...Ch. 6 - An incompressible fluid of density and viscosity ...Ch. 6 - Consider the curved duct of Prob. 6-41, except...Ch. 6 - As a follow-up to Prob. 6-41, it turns out that...Ch. 6 - Prob. 44PCh. 6 - The weight of a water tank open to the atmosphere...Ch. 6 - A sluice gate, which controls flow rate in a...Ch. 6 - A room is to be ventilated using a centrifugal...Ch. 6 - How is the angular momentum equation obtained from...Ch. 6 - Prob. 49CPCh. 6 - Prob. 50CPCh. 6 - Prob. 51CPCh. 6 - A large lawn sprinkler with two identical arms is...Ch. 6 - Prob. 53EPCh. 6 - The impeller of a centrifugal pump has inner and...Ch. 6 - Water is flowing through a 15-cm-diameter pipe...Ch. 6 - Prob. 56PCh. 6 - Repeat Prob. 6-56 for a water flow rate of 60 L/s.Ch. 6 - Prob. 58PCh. 6 - Water enters the impeller of a centrifugal pump...Ch. 6 - A lawn sprinkler with three identical antis is...Ch. 6 - Prob. 62PCh. 6 - The impeller of a centrifugal blower has a radius...Ch. 6 - An 8-cm-diameter horizontal water jet having a...Ch. 6 - Water flowing steadily at a rate of 0.16 m3/s is...Ch. 6 - Repeat Prob. 6-66 by taking into consideration the...Ch. 6 - A 16-cm diameter horizontal water jet with a speed...Ch. 6 - Water enters vertically and steadily at a rate of...Ch. 6 - Repeal Prob. 6-69 for the case of unequal anus-the...Ch. 6 - Prob. 71PCh. 6 - Prob. 72PCh. 6 - A spacecraft cruising in space at a constant...Ch. 6 - A 60-kg ice skater is standing on ice with ice...Ch. 6 - A 5-cm-diameter horizontal jet of water, with...Ch. 6 - Water is flowing into and discharging from a pipe...Ch. 6 - Indiana Jones needs So ascend a 10-m-high...Ch. 6 - Prob. 79EPCh. 6 - A walnut with a mass of 50 g requires a force of...Ch. 6 - Prob. 81PCh. 6 - Prob. 82PCh. 6 - A horizontal water jet of constant velocity V...Ch. 6 - Show that the force exerted by a liquid jet on a...Ch. 6 - Prob. 85PCh. 6 - Prob. 86PCh. 6 - Water enters a mixed flow pump axially at a rate...Ch. 6 - Prob. 88PCh. 6 - Water enters a two-armed lawn sprinkler along the...Ch. 6 - Prob. 91PCh. 6 - Prob. 92PCh. 6 - Prob. 93PCh. 6 - Prob. 94PCh. 6 - A water jet strikes a moving plate at velocity...Ch. 6 - Water flows at mass flow rate m through a 90°...Ch. 6 - Prob. 97PCh. 6 - Water shoots out of a Iar2e tank sitting a cart...Ch. 6 - Prob. 99PCh. 6 - Prob. 100PCh. 6 - Prob. 101PCh. 6 - Consider water flow through a horizontal, short...Ch. 6 - Consider water flow through a horizontal. short...Ch. 6 - Prob. 104PCh. 6 - Prob. 105PCh. 6 - Prob. 106PCh. 6 - The velocity of wind at a wind turbine is measured...Ch. 6 - The ve1ocity of wind at a wind turbine is measured...Ch. 6 - Prob. 109PCh. 6 - Prob. 110PCh. 6 - Prob. 111PCh. 6 - Consider the impeller of a centrifugal pump with a...Ch. 6 - Prob. 113PCh. 6 - Prob. 114P
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- A pump works between two opened tanks through a piFe of 10 cm diameter and length of 30 m with a friction factor of 0.02. The characteristic formula of the pump is given by H-52-1010 Q. There is a valve friction factor of 0.02. The characteristic formula of the located before the pump of minor losses factor (K) S Eten by the figure Q2 below, If the height of deliver side tank is 3 m Find:1) The volumetric fiow late n vaje Is fully opened 2) The percent valve setting if the dow rate is reduced by a half of the rate in )ASsame, free and large tank at the suction side tank]. Pump is given by H-52-1010 Q. There is a valvearrow_forwardThis is a fluid machine question. Water reservoir is pumped over a hill through a pipe 450 mm in diameter and a pressure of 98.08 kPa is maintained in the summit water discharge is 30 m above the reservoir. The quantity pumped is 0.50 m3/s. rrictional losses in the discharge and suction pipe of the pump is equivalent to 1.5 m head loss. The speed of the pump is 800 rpm, what amount of energy must be furnished by the pump in kW?arrow_forwardSelect duct sizes for the rectangular duct system shown in the Figure, using the equal friction method. The total pressure available for the duct system is 0.12 in. wg (30 Pa), and the loss in total pressure for each diffuser at the specified flow rate is 0.02 in. wg (5 Pa). Assume the velocity in mean duct 600 fpm. 150 che 25 Boo ae und torectang a5On e S. 150 ct 0.095 mi 071 15marrow_forward
- For the hydraulic system of Figure, the following data are given: The pump is adding2.984kW to the fluid.(a) Pump flow is 0.00158 m3. (b) The pipe inside diameter is 0.01905m.(c) The specific gravity of the oil is 0.9.(d) The oil tank is vented to the atmosphere.(e) The head loss HL between station 1 and 2 is 12.19m.(f) The elevation difference between stations 1 and 2 is 6.096m.Find the pressure available at the inlet to the hydraulic motor(station 2).arrow_forward1:The water pump in Figure below maintains a pressure of 45 kPa at point 1. There is a filter (kr), a half-open disk valve (kvalve 0.28), and two regular screwed elbows (kellbow -0.64), submerged exit (kexit 1). There are 24 m of 0.10 m diameter commercial steel pipe. If the flow rate is 0.011 m/s, what is the loss coefficient of the filter (kr)? Take that the density and dynamic viscosity of water are p-998 kg/m³ and -1.0 x10³ kg/m.s. The roughness ratio of pipe is e/D=0.0006. (2) Pump Valve A Filter Elbows 2.75 m Varrow_forwardi just need final answer The water is delivered with piping system given in the figure below. The elevation difference between enteringsection and tank is 121,63 m. Estimate the gage pressure (MPa) at point 1. (Note: For water at 20°C, takep=998 kg/m and p=0.001 kg/ms.)arrow_forward
- The distribution system requires to lift water to an area with an average elevation of 90 mamsl from the pumping station at 35 mamsl. The area has a demand requirement of 30 MLD and the minimum pressure head requirement is 20 m-head. The pipe which will serve the area is 500 mm with C-value of 90 and length of 3000 m. Determine the following: a) total head loss along the pipe in meter, b) the head of pump required in meter, and c) the power required by the pump with an efficiency of 80% in kilowatt. Note: Theaverage water surface level of the reservoir which supports the pumping station is 5 m.arrow_forwardA pump is being used to transport a liquid food product (density = 1000 Kg/m3, viscosity= 1.2 x 10 -3 Pa-s) from a holding tank to a filling machine at a mass flow rate of 2 Kg/s. The liquid level at the holding tank is 5 m above the pump, and the filling machine is 10 m above the pump. There is 100 m of 2 inch nominal diameter sanitary pipeline (assume: commercial steel) between the holding tank and the filling machine with one open glove valve and three medium sweep 90oelbows in the system. Determine the theoretical power requirement of the pump if the efficiency is 75%. Answer: 234 Watts. Show the solution.arrow_forwardThe figure shows a portion of a fire protection system in which a pump draws water at 60°F(v=1.21 x10-5 m² from a reservoir and delivers it to a point B at the flow rate of 1500 gal/min. Calculate the required height of the the water level in the tank in order to maintain 5.0 Psig pressure at point Aarrow_forward
- B4. An orifice meter with orifice area 1039 mm2 is inserted in a pipe of area 2078 mm? .The pressure difference measured by a mercury oil differential manometer on the two sides of the orifice meter gives a reading of 60 cm of mercury. Find the rate of flow of oil of sp. gr. 0.9 when the co-efficient of discharge of the orifice meter = 0.52. (Enter only the values by referring the unit given. Also upload the hand written answers in the link provided) Head of water (in m) The discharge of water through pipe (in Litres/sec)arrow_forwardQ2/ A fluid containing (water, oil, sand) flowing through the tube and open to the atmosphere as shown in the figure below.. Note that p°- 1.013*105 Pa Calculate the absolute pressure (Pa). Density: Pwater = 1000 kg/m Pail = 800 kg/m Pand = 200 kg/m P. h3=12 cm hg al2cm oIL Pa h25 cm ng = 6 cm %3D Sand waterarrow_forwardPLEASE BOX YOUR ANSWERS E A centrifugal pump is used to pump water at 30°C (S.G. 0.996) from a reservoir as shown in the figure. The 24 mm diameter pipe has a friction factor, f= 0.022 and is 2.8 m long from the submerged pipe inlet to the pump inlet. The pumps (NPSH)R is provided by (2.2+0.958v) meters, where "v" is the average fluid velocity in the pipe in m/s. Find the maximum permissible value of "v" without causing cavitation. The loss coefficients of the components are given: Kentrance =0.85, Kbow = 03 and Kalve = 09. the manufacturer as a curve fit: (NPSH)R = %3D %3D Elbow T Valve 2.2 m Panarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Elements Of ElectromagneticsMechanical EngineeringISBN:9780190698614Author:Sadiku, Matthew N. O.Publisher:Oxford University Press
Mechanics of Materials (10th Edition)Mechanical EngineeringISBN:9780134319650Author:Russell C. HibbelerPublisher:PEARSON
Thermodynamics: An Engineering ApproachMechanical EngineeringISBN:9781259822674Author:Yunus A. Cengel Dr., Michael A. BolesPublisher:McGraw-Hill Education
Control Systems EngineeringMechanical EngineeringISBN:9781118170519Author:Norman S. NisePublisher:WILEY
Mechanics of Materials (MindTap Course List)Mechanical EngineeringISBN:9781337093347Author:Barry J. Goodno, James M. GerePublisher:Cengage Learning
Engineering Mechanics: StaticsMechanical EngineeringISBN:9781118807330Author:James L. Meriam, L. G. Kraige, J. N. BoltonPublisher:WILEY
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
An Introduction to Stress and Strain; Author: The Efficient Engineer;https://www.youtube.com/watch?v=aQf6Q8t1FQE;License: Standard YouTube License, CC-BY