Theory and Design for Mechanical Measurements
6th Edition
ISBN: 9781118881279
Author: Richard S. Figliola, Donald E. Beasley
Publisher: WILEY
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 1, Problem 1.21P
Figure 1.15 Orifice flow meter setup used for Problem 1.21.
1.21 The relation between the flow rate, Q, through a pipeline of area A and the pressure drop Ap across an orifice-type flow meter inserted in that line (Figure 1.15) is given by Q = CAyJlApIp where p is density and C is a coefficient. For a pipe diameter of 1 m and a flow range of 20 °C water between 2
•J
and 10 m /min and C = 0.75, plot the expected form of the calibration curve for flow rate versus pressure drop over the flow range. Is the static sensitivity a constant? Incidentally, the device and test method is described by both ANSI/ASME Test Standard PTC 19.5 and ISO 5167.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
QUESTION 1
Three pipes A, B, and C are interconnected as shown in figure 1. The pipe dimensions
are as follows:
D (cm)
15
10
20
Pipeline
L (m)
300
0.01
B
240
600
0.01
0.005
A
15 m
25 m
B
Figure 1
1.1 Find the rate at which water will flow in each pipe, ignoring the shock losses at P
and entry to pipelines A and B.
1.2 Find the pressure at P.
%VY l. lin. 3. N
Sheet 1.pdf →
Sheet 1
Page 1 of 2
Q1/
An orifice meter is to be calibrated for the measurement of the flow rate of a stream of
liquid acetone. The differential manometer fluid has a specific gravity of 1.10. The calibration
is accomplished by connecting the orifice meter in series with a rotameter that has
previously been calibrated for acetone, adjusting a valve to set the flow rate, and recording
the flow rate (determined from the rotameter reading and the rotameter calibration curve)
and the differential manometer reading, h. The procedure is repeated for several valve
settings to generate an orifice meter calibration curve of flow rate versus h. The following
data are taken.
VALVEX
Flow Rate D (ml/s)
Manometer Reading
h(mm)
62
10
15
87
107
20
123
25
30
138
151
1- For each of the given readings, calculate the pressure drop across the orifice, AP (mm
Hg).
2- The flowrate through an orifice should be related to the pressure drop across the
orifice by the formula.
V =…
Find the pressure drop between locations a and b for flow in a pipe using the following data: Working fluid: Water Pipe: Stainless steel, Schedule No. 120 Nominal pipe size (cm): 10 Flow rate (m3 /min): 2.271 Temperature (C): 38 Length (m): 45.72 Solve for the following 3 cases: a) Za = Zb =33.5 m, b) Za = Zb + 15 m, and c) Za = Zb + 46 m.
Chapter 1 Solutions
Theory and Design for Mechanical Measurements
Ch. 1 - Prob. 1.1PCh. 1 - Prob. 1.2PCh. 1 - Prob. 1.3PCh. 1 - Prob. 1.4PCh. 1 - Prob. 1.5PCh. 1 - Discuss how the resolution of the display scale of...Ch. 1 - Prob. 1.7PCh. 1 - Prob. 1.8PCh. 1 - Prob. 1.9PCh. 1 - Prob. 1.10P
Ch. 1 - State the purpose of using randomization methods...Ch. 1 - Provide an example of repetition and replication...Ch. 1 - Develop a test plan that might be used to estimate...Ch. 1 - Develop a test plan that might be used to evaluate...Ch. 1 - A race engine shop has just completed two engines...Ch. 1 - A thermodynamics model assumes that a particular...Ch. 1 - Regarding the Mars Climate Orbiter spacecraft...Ch. 1 - A large batch of carefully made machine shafts can...Ch. 1 - Suggest an approach or approaches to estimate the...Ch. 1 - Suggest a test matrix to evaluate the wear...Ch. 1 - Figure 1.15 Orifice flow meter setup used for...Ch. 1 - The sale of motor fuel is an essential business in...Ch. 1 - Using either the ASME 19.5 or ISO 5167 test...Ch. 1 - A simple thermocouple circuit is formed using two...Ch. 1 - 1.25 A linear variable displacement transducer...Ch. 1 - For the LVDT calibration of the previous problem,...Ch. 1 - A manufacturer wants to quantify the expected...Ch. 1 - Prob. 1.28PCh. 1 - As described in a preceding problem, the...Ch. 1 - Light gates may be used to measure the speed of...Ch. 1 - You estimate your car’s fuel use by recording...Ch. 1 - When discussing concomitant methods, we used the...Ch. 1 - Prob. 1.33PCh. 1 - For the strain gauge calibration of the previous...Ch. 1 - The acceleration of a cart down a plane inclined...Ch. 1 - In general, what is meant by the term “standard”?...Ch. 1 - A common scenario: An engineer has two pencil-...Ch. 1 - Explain the potential differences in the following...Ch. 1 - Research the following test standards and codes....Ch. 1 - A hotel chain based in the United States contracts...Ch. 1 - Test code ASTM 558-13 allows for the comparison of...Ch. 1 - Suggest a reasonable number of significant digits...Ch. 1 - Using spreadsheet software (such as Microsoft...Ch. 1 - Prob. 1.44PCh. 1 - Round the following numbers to 3 significant...Ch. 1 - Express the result, rounding to an appropriate num...Ch. 1 - Express the result by rounding to an appropriate...Ch. 1 - A car’s speed is determined by the time it takes...Ch. 1 - How much error could you tolerate in (1) book...Ch. 1 - Apply the guidelines to determine the number of...Ch. 1 - Using a tape measure having 1 mm graduations, the...Ch. 1 - Show how the following functions can be...Ch. 1 - Prob. 1.53PCh. 1 - For the calibration data of Table 1.5, determine...Ch. 1 - Prob. 1.55PCh. 1 - Each of the following equations can be represented...Ch. 1 - Plot y = 10e“° 5x volts on in semilog format (use...Ch. 1 - Prob. 1.58PCh. 1 - Prob. 1.59P
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
- 1. A venturi meter has an inlet diameter of 65 mm and a throat diameter of 26 mm. When measuring the flow of a liquid of density 898 kg/m3 the reading of a mercury differential pressure gauge was 71 mm. Take the coefficient of the meter as 0.97 and the specific gravity of mercury as 13.6. Estimate the flow through the meter in m3/h.arrow_forwardA plugged dishwasher sink with the dimensions of 15 in. x 19 in. x 9 in. is being filled with water from a faucet with an inner diameter of 1 in. It takes 210 seconds to fill the sink to its rim. Imagine the plug of the sink leaks. If it now takes 230 seconds to fill the sink to its rim, estimate the mass-flow rate of the leak (in lbm/s). 1.1 X Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. Ibm/sarrow_forwardKeeping in mind continuity of flow, compute the velocity of flow for section C (Vc), the 6 inch pipe. 4 Section 20 in 3 fps QA Qe Qc Section Vo. 5 fps ते Vc = 1 FIGURE 2.12 Illustration for Example 2.10. 4 in 98 Section с 6in. Qc You should round to the nearest 2 places after the decimal throughout your work. For example 0.089 should round to 0.09 and 0.082 should round to 0.08. Your answer must have 2 places after the decimal. For example: 30.24 or 3.80. 12 inches 1 ft Answers are numerical only, no units required.arrow_forward
- 1. The volume rate of flow, Q, through a pipe can be determined by the pressure drop through nozzle flow meter (see Figure Q1). The flowrate links with the pressure drop through the nozzle by the equation Q = K√PA-PB, where K is a constant depending on the pipe. PA-PB is the pressure drop created by the nozzle, which can be measured with a differential U-tube manometer of the type illustrated in the figure. (a) Determine an equation for PA-PB in terms of the specific weight of the flowing fluid, Y₁ and the specific weight of the gage fluid, Y2 and the various heights indicated, h and h₂. (b) If y₁= 9.8 kN/m³ and y2 = 15.6 kN/m³, h₁ = 1 m and h₂ = 0.5 m, what is the pressure drop PA - PB Flow (1) (2)- 124 -(4) Flow nozzle -(3) 12 رو bor Figure Q1 -(5) Barrow_forwardWater flows from a 20-mm-diameter pipe with a flowrate Q as shown in the figure below. What is the approximate diameter of the water stream, d, in units of cm, if the distance below the faucet is, h=2 m, and Q = 0.003 m³ /s? 20 mm O a. 1.83 m b. 2.07 m O c. 3.29 m d. 4.66 m O e. 5.29 marrow_forwardUse g=32.2 */sec2 (9.81 m/s2) and 60°F (16°C) water unless told to do otherwise.• Google schedule-40 pipe’s thickness at different nominal size to obtain the innerdiameter of the pipe for accurate determinaLon of flow velocity.• Must show your work to support your selecLon. Otherwise, no points will be given.• No peer discussion is allowed.. A cylindrical tank 5 ft high has a constant diameter of 4 ft is full of water. The tank has a hole2. A cylindrical tank 5 * high has a constant diameter of 4' is full of water. The tank has a holein its bo]om that measures 0.1ft^2. All losses are insignificant. How long will it take for the tankto empty? Note that you can NOT assume a staLc head and constant flow rate because thewater head in the tank decreases as the water flows out of the tank (A) 35 sec(B) 70 sec(C) 105 sec(D) 140 secarrow_forward
- Duct Pressure Drop: Determine the pressure drop, in inches of H20, for 300 feet of 12" diameter duct with 600 CFM of air flow. If the size is reduced to 10", what is the pressure drop? If the duct is instead changed to a rectangular duct 10"x14", what is the pressure drop?. Duct sizing: When reviewing the mechanical plans for an office building, you notice that the ME has run an 18" diameter duct above a ceiling where you know there is a beam obstruction. You determine that there is a maximum of 12" of space between the top of the ceiling and the bottom of the beam. If this duct carries 2,000 CFM, determine the equivalent rectangular size of ducting that you would propose the engineer, so that the pressure drop remains similar. What is the resultant velocity (FPM) in both the round duct and the rectangular duct?arrow_forward7.58. A venturi meter is a device to measure fluid flow rates, which in its operation resembles the orifice meter (Section 3.2b). It consists of a tapered constriction in a line, with pressure taps leading to a differential manometer at points upstream of the constriction and at the point of maximum constriction (the throat). The manometer reading is directly related to the flow rate in the line. oment Encyclopedla tial pressure flowmeters/ venturi tube lley.com/college/felder * Adapted from a problem centributed by Justin Wood of North Carolina State University. Problems 399 Suppose the flow rate of an incompressible fluid is to be measured in a venturi meter in which the cross-sectional area at point 1 is four times that at point 2. (a) Derive the relationship between the velocities u¡ and u2 at points 1 and 2. (b) Write the Bernoulli equation for the system between points 1 and 2, and use it to prove that to the extenT friction is negligible 15 pv P - P2 = 247 where Pi and P2 are…arrow_forwardQ1. Complete the following: Theory states that if: Re 3000 2000 < Re < 3000 Q2. Show the sample calculation for (Area m', velocity m/s and Re) Hint: Diameter of Tube =12mm Q3. Complete the following table: Case Flow condition Flow Rate RE Agree or Not No. (L/min) with Theo. 1. 2. 3.arrow_forward
- 1. A pressure gauge attached to a pipe is reading 1.34 m of Hg at a place where the atmospheric pressure is 10.33 m of water. The approximate absolute pressure at the mountain isa. 930 kPab. 181 kPac. 280 kPad. 100 kPa 2. The flow is said to be unsteady and non-uniform when,a. The flow velocity is not changing with time but changing with spaceb. The flow velocity is changing with both time and spacec. The flow velocity is changing with time but not changing with spaced. The flow velocity is not changing with both time and space 3. The below figure shows a pipe with a circular cross section of diameter D mm on the left end and a square cross section with side D mm on the right end. Mercury enters the left end with a velocity 1 cm/s and leaves the right end with a velocity V2. Find V2 (neglect losses in the pipe).a. Cannot be find since length is not givenb. Cannot be find since diameter is not givenc. 7.85 mm/sd. 12.73 mm/s 4. 1 kg water is flowing through an inclined pipe at…arrow_forwardReynolds number for pipe flow may be expressed as Re = (4 m/ Trd) / µ Where m = mass flow, kg/s d= pipe diameter, m p = viscosity, k/m s In a certain system, the flow rate is 5.448 kg/min +0.5 %, through a 0.5" (inch) diameter (±0.005"). The viscosity is 1.92x 10-5 kg/m s, ±1 %. Calculate the value of the Reynolds Number and its uncertainty. Determine the main contribution to uncertainity.arrow_forwardQ.1 A simple and accurate viscometer can be made from a length of capillary tubing. If the flow rate and pressure drop are measured, and the tube geometry is known, the viscosity of Newtonian liquid can be computed. A test of a certain liquid in a capillary viscometer gave the following data: Flow rate: 880 mm /s, Tube length: 1 m, ,3, Tube diameter: 0.50 mm, Pressure drop: 1.0 MPа The viscosity of liquid will be (pig =999 kg/m:), assuming the flow to be laminar. A 0.37x10*Ns/m В 3.7x10* Ns/m 1.74x10* Ns/m C 1.74x10* Ns/marrow_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 PressMechanics of Materials (10th Edition)Mechanical EngineeringISBN:9780134319650Author:Russell C. HibbelerPublisher:PEARSONThermodynamics: An Engineering ApproachMechanical EngineeringISBN:9781259822674Author:Yunus A. Cengel Dr., Michael A. BolesPublisher:McGraw-Hill Education
- Control Systems EngineeringMechanical EngineeringISBN:9781118170519Author:Norman S. NisePublisher:WILEYMechanics of Materials (MindTap Course List)Mechanical EngineeringISBN:9781337093347Author:Barry J. Goodno, James M. GerePublisher:Cengage LearningEngineering 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
8.01x - Lect 27 - Fluid Mechanics, Hydrostatics, Pascal's Principle, Atmosph. Pressure; Author: Lectures by Walter Lewin. They will make you ♥ Physics.;https://www.youtube.com/watch?v=O_HQklhIlwQ;License: Standard YouTube License, CC-BY
Dynamics of Fluid Flow - Introduction; Author: Tutorials Point (India) Ltd.;https://www.youtube.com/watch?v=djx9jlkYAt4;License: Standard Youtube License