devices require accurate pressure and temperature measurement in order to calculate the output of the instrument. Flow rate is express in Volume units (m³/s) and Mass units (kg/sec). The fluid can be corrosive, clean or dirty, single phase or multiple phase, laminar or turbulent. Hence, there are two types of devices, primary device (quantity meters) and secondary devices (rate meters). In this experiment, we will learn different types of flow meters devices to measure liquid (water) volume flow rate. The flow meters used on the apparatus are venturi
Theory and Design for Mechanical Measurements
Measurement is a term that refers to analyzing a manufactured component regarding the degree of accuracy for dimensions, tolerances, geometric profile, roundness, flatness, smoothness, etc. Measurement always involves comparing the manufactured component or the prototype with a standard specimen whose dimensions and other parameters are assumed to be perfect and do not undergo changes with respect to time.Precisely in mechanical engineering the branch that deals with the application of scientific principles for measurements is known as metrology. The domain of metrology in general deals with various measurements like mechanical, chemical, thermodynamic, physical, and biological measurements. In mechanical engineering, the measurements are limited to mechanical specific such as length, mass, surface profile, flatness, roundness, viscosity, heat transfer, etc.
Basic principles of engineering metrology
Metrology is described as the science of measurement, precision, and accuracy. In other words, it is a method of measurement based on units and predefined standards.
please help - engineering instrumentations
![The accuracy of a fluid-flow measurement is directly relate to profit. Flow rate measurement
devices require accurate pressure and temperature measurement in order to calculate the
output of the instrument. Flow rate is express in Volume units (m/s) and Mass units (kg/sec).
The fluid can be corrosive, clean or dirty, single phase or multiple phase, laminar or turbulent.
Hence, there are two types of devices, primary device (quantity meters) and secondary
devices (rate meters). In this experiment, we will learn different types of flow meters devices
to measure liquid (water) volume flow rate. The flow meters used on the apparatus are venturi
meter, variable area meter and orifice plate. Base on table of data, please propose the design
of experiments with the procedure. Their corresponding values for water flow rate are in
the table below. By using that information, please indicate your answer for flowrate using
stopwatch and velocity at point 2 manometer (Venturi) (show the sample of calculation).
Area value is 1.77 x 10“ m².
Table 1: Manometer reading for the respective flow rate
Manometer reading
Variable
(mm)
Meter
Flowrate using
stopwatch
(m³/s)
Flowrate
Seconds
Venturi
Velocity at P2
(Liter/min) Point 1
Point 2
Flowrate (m³/s)
(stopwatch)
(m/s)
136
133
69.84
4.3175 x 10
5
152.5
132.5
76.53
1.1148 x 10 4
10
174
105
66.66
2.0706 x 10 -4
12
219
94.5
91.31
2.7814 x 10 -4
15
185
93
70.03
2.3909 x 10 4
18
222
85
74.00
2.9177 x 10 4
20
290
102
70.19
3.4179 x 10 -4
22
310
92
69.81
2.6805 x 10 4](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F47ccb841-929b-44db-af4b-d33c27817e52%2F99a5ed69-094a-4187-8871-5e847a110c9e%2Fwcnylcs_processed.png&w=3840&q=75)
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