Example 6.2. Figure 6.7 shows a simplified flow diagram of a typical capillary viscometer (a device for measuring viscosity). It has a large-diameter reservoir and a long, small-diameter, vertical tube. The sample is placed in the reservoir, and the flow rate due to gravity is measured. The tube is 0.1 m long and has a 1 mm ID. The height of the fluid in the reservoir above the inlet to the tube is 0.02 m. The fluid being tested has a density of 1050 kg / m³ The flow rate is 10-8 m³/s. FIGURE 6.7 Typical capillary viscometer; see Example 6.2.
Example 6.2. Figure 6.7 shows a simplified flow diagram of a typical capillary viscometer (a device for measuring viscosity). It has a large-diameter reservoir and a long, small-diameter, vertical tube. The sample is placed in the reservoir, and the flow rate due to gravity is measured. The tube is 0.1 m long and has a 1 mm ID. The height of the fluid in the reservoir above the inlet to the tube is 0.02 m. The fluid being tested has a density of 1050 kg / m³ The flow rate is 10-8 m³/s. FIGURE 6.7 Typical capillary viscometer; see Example 6.2.
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Transcribed Image Text:Example 6.2. Figure 6.7 shows a simplified flow diagram
of a typical capillary viscometer (a device for measuring
viscosity). It has a large-diameter reservoir and a long,
small-diameter, vertical tube. The sample is placed in the
reservoir, and the flow rate due to gravity is measured.
The tube is 0.1 m long and has a 1 mm ID. The height of
the fluid in the reservoir above the inlet to the tube is 0.02
3
m. The fluid being tested has a density of 1050 kg / m³
The flow rate is 10-8 m³/s.
FIGURE 6.7
Typical capillary viscometer; see Example 6.2.
Transcribed Image Text:6.6.
In Example 6.2 how much does the
internal energy per unit mass of the
fluid increase as it passes through the
viscometer? Assume that there is no
heat transfer from the fluid to the
wall of the viscometer. If the heat
capacity of the fluid is 0.5 Btu/lbm.
°F = 2.14 kJ / kg °C, how much
does the fluid's temperature rise?
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