A heat exchanger creates energy loss in the fluid system shown below. Water at 50°C flows vertically upward at a constant volume flow rate of 6 x 10-3 m³/s. A mercury manometer is used to measure pressure difference between points 1 and 2. Evaluate the total energy loss (in a unit of m) between points 1 and 2. Using the velocity in the inlet tube, evaluate the minor loss coefficient K corresponding to the heat exchanger. The pipe geometry and mercury manometer setup are indicated in the figure. In the figure, OD indicates the outer diameter of pipe. The specific weights of water and mercury are water = Pwater9 = 9.81 kN/m³ and 133.7 kN/m³, respectively. Ignore the volume flow rate of water into or out of the mercury manometer, but one cannot ignore the contribution of water to the manometer measurement.
A heat exchanger creates energy loss in the fluid system shown below. Water at 50°C flows vertically upward at a constant volume flow rate of 6 x 10-3 m³/s. A mercury manometer is used to measure pressure difference between points 1 and 2. Evaluate the total energy loss (in a unit of m) between points 1 and 2. Using the velocity in the inlet tube, evaluate the minor loss coefficient K corresponding to the heat exchanger. The pipe geometry and mercury manometer setup are indicated in the figure. In the figure, OD indicates the outer diameter of pipe. The specific weights of water and mercury are water = Pwater9 = 9.81 kN/m³ and 133.7 kN/m³, respectively. Ignore the volume flow rate of water into or out of the mercury manometer, but one cannot ignore the contribution of water to the manometer measurement.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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Transcribed Image Text:4. A heat exchanger creates energy loss in the fluid system shown below. Water at 50°C flows vertically upward
at a constant volume flow rate of 6 x 10-3 m³/s. A mercury manometer is used to measure pressure difference
between points 1 and 2. Evaluate the total energy loss (in a unit of m) between points 1 and 2. Using the
velocity in the inlet tube, evaluate the minor loss coefficient K corresponding to the heat exchanger. The
pipe geometry and mercury manometer setup are indicated in the figure. In the figure, OD indicates the
outer diameter of pipe. The specific weights of water and mercury are water = Pwater9 = 9.81 kN/m³ and
133.7 kN/m³, respectively. Ignore the volume flow rate of water into or out of the mercury manometer, but
one cannot ignore the contribution of water to the manometer measurement.
A
Flow
1200 mm
Y
Water
100-mm OD X
3.5-mm wall
steel hydraulic tube
Heat
exchanger.
1250 mm
350 mm
Y
Mercury
-50-mm OD x
2.0-mm wall
steel hydraulic tube
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