flow measurement report
Topics: Fluid dynamics, Pressure / Pages: 35 (5169 words) / Published: Jun 10th, 2014

ME 4600:483 – Lab Notes

Revised 04/07/05

Flow Measurement
Table of Contents
Flow Measurement ......................................................................................................................... 1
I. Objective ................................................................................................................................. 1
II. Apparatus............................................................................................................................... 1
III. Principles and Background.................................................................................................. 1
Pitot-Static Tubes .................................................................................................................... 2
Orifice Plates and Unrecoverable Losses ................................................................................ 4
Flow Development .................................................................................................................. 5
Environmental Effects ............................................................................................................. 5
IV. Procedure.............................................................................................................................. 6
Velocity Traverse and Differential Pressure Measurement..................................................... 6
Recoverable and Non-Recoverable Pressure Drop Measurement........................................... 8
V. Required Data Analysis ......................................................................................................... 9
VI.
References ..................................................................................................................... 10
I. Objective
The object of this experiment is to study the performance of an orifice plate flow measurement device mounted in a circular duct. In the first part, of the lab experiment,



References: 1. Theory and Design for Mechanical Measurements. R.S. Figliola and D.E. Beasley, Wiley, (1991). 2. Fluid Mechanics. F.M. White, McGraw Hill, (1979). 3. Fundamentals of Engineering Thermodynamics. M. J. Moran and H. N. Shapiro, Wiley, (1988). Figure 1b. Detail of the velocities, pressures, and flow patterns through a generalized Bernoulli obstruction metered orifice (White, 1979). Figure 2b. Graph showing the variation of discharge coefficient with Reynold 's number (White, 1979). Figure 6. The effect of Pitot-Static tube yaw angle of measurements of stagnation and static pressure (White, 1979).

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