15:42 MEE2007_Fluid_Mech... Page 2 Ө 72 Part B: Water at 40 °C (p = 992.3 and v = 0.664 × 10-6 m²/s) flows through a pipe at point kg m3 A (Figure Q2) with a diameter of 20 mm and a friction factor of f = 0.004. The water flows into a bath shower mixer unit at D, made from a tee junction. From here, water can exit along the tee branch through the spout via a gate valve (Figure Q2a) or along the main channel of the tee and through the showerhead (Figure Q2b). The water pressure at point A has been measured at 100 kPa. Loss coefficients for pipe fittings have been provided in Table 1. (a) If the water exits through the spout (Figure Q2a) via a fully opened gate valve at B, with a diameter of 12 mm, determine the flow rate out of the spout in L/s. The minor loss coefficient for the spout at B is Kspout = 0.6. Account for the minor loss in the elbow, the tee, and the gate valve. The gate valve at E is closed. [30 marks] (b) If the water emerges through the showerhead (Figure Q2b, point C) that consists of 100 identical holes, each with a diameter of 1.5 mm. Determine the flow rate out of the showerhead in L/s. The minor loss coefficient of the showerhead is Kshowerhead = 0.45. The gate valve at B is closed. Account for the minor loss in the three elbows, the fully opened gate valve at E, and the tee. [30 marks] (c) Discuss the differences in flow rate when water exits through the spout at point B versus exiting through the showerhead at point C. Justify your answer. 000 Dashboard Calendar To-do Page 3 [10 marks] LO 5 1 Notifications Inbox 15:42 MEE2007_Fluid_Mech... Page 3 ill 72 D a 0.15 m M3 b 0.15 m M3 LL D 0.08 m A HE B HE D B 0.08 m M₁₂ A Figure Q2. Bath shower mixer unit with water entering the system at point A and exiting through (a) spout located at point B and (b) shower head located at point C. Table 1. Loss coefficients for pipe fittings Loss coefficients for KL - Gate valve fully opened 0.19 90° elbow 0.9 Tee along the main channel 0.4 Tee along branch 1.8 Dashboard 000 Calendar To-do Page 4 LO 5 1 Notifications Inbox
15:42 MEE2007_Fluid_Mech... Page 2 Ө 72 Part B: Water at 40 °C (p = 992.3 and v = 0.664 × 10-6 m²/s) flows through a pipe at point kg m3 A (Figure Q2) with a diameter of 20 mm and a friction factor of f = 0.004. The water flows into a bath shower mixer unit at D, made from a tee junction. From here, water can exit along the tee branch through the spout via a gate valve (Figure Q2a) or along the main channel of the tee and through the showerhead (Figure Q2b). The water pressure at point A has been measured at 100 kPa. Loss coefficients for pipe fittings have been provided in Table 1. (a) If the water exits through the spout (Figure Q2a) via a fully opened gate valve at B, with a diameter of 12 mm, determine the flow rate out of the spout in L/s. The minor loss coefficient for the spout at B is Kspout = 0.6. Account for the minor loss in the elbow, the tee, and the gate valve. The gate valve at E is closed. [30 marks] (b) If the water emerges through the showerhead (Figure Q2b, point C) that consists of 100 identical holes, each with a diameter of 1.5 mm. Determine the flow rate out of the showerhead in L/s. The minor loss coefficient of the showerhead is Kshowerhead = 0.45. The gate valve at B is closed. Account for the minor loss in the three elbows, the fully opened gate valve at E, and the tee. [30 marks] (c) Discuss the differences in flow rate when water exits through the spout at point B versus exiting through the showerhead at point C. Justify your answer. 000 Dashboard Calendar To-do Page 3 [10 marks] LO 5 1 Notifications Inbox 15:42 MEE2007_Fluid_Mech... Page 3 ill 72 D a 0.15 m M3 b 0.15 m M3 LL D 0.08 m A HE B HE D B 0.08 m M₁₂ A Figure Q2. Bath shower mixer unit with water entering the system at point A and exiting through (a) spout located at point B and (b) shower head located at point C. Table 1. Loss coefficients for pipe fittings Loss coefficients for KL - Gate valve fully opened 0.19 90° elbow 0.9 Tee along the main channel 0.4 Tee along branch 1.8 Dashboard 000 Calendar To-do Page 4 LO 5 1 Notifications Inbox
Chapter2: The Kinetic Theory Of Gases
Section: Chapter Questions
Problem 55P: (a) Given that air is 21% oxygen, find the minimum atmospheric pressure that gives a relatively safe...
Related questions
Question
M1=0.45
M2=1.9
M3=0.59
![15:42
MEE2007_Fluid_Mech...
Page 2
Ө
72
Part B:
Water at 40 °C (p = 992.3 and v = 0.664 × 10-6 m²/s) flows through a pipe at point
kg
m3
A (Figure Q2) with a diameter of 20 mm and a friction factor of f = 0.004. The water
flows into a bath shower mixer unit at D, made from a tee junction. From here, water
can exit along the tee branch through the spout via a gate valve (Figure Q2a) or along
the main channel of the tee and through the showerhead (Figure Q2b). The water
pressure at point A has been measured at 100 kPa. Loss coefficients for pipe fittings
have been provided in Table 1.
(a) If the water exits through the spout (Figure Q2a) via a fully opened gate valve
at B, with a diameter of 12 mm, determine the flow rate out of the spout in L/s.
The minor loss coefficient for the spout at B is Kspout = 0.6. Account for the
minor loss in the elbow, the tee, and the gate valve. The gate valve at E is
closed.
[30 marks]
(b) If the water emerges through the showerhead (Figure Q2b, point C) that
consists of 100 identical holes, each with a diameter of 1.5 mm. Determine the
flow rate out of the showerhead in L/s. The minor loss coefficient of the
showerhead is Kshowerhead = 0.45. The gate valve at B is closed. Account for
the minor loss in the three elbows, the fully opened gate valve at E, and the tee.
[30 marks]
(c) Discuss the differences in flow rate when water exits through the spout at point
B versus exiting through the showerhead at point C. Justify your answer.
000
Dashboard
Calendar
To-do
Page 3
[10 marks]
LO
5
1
Notifications
Inbox](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0074ccac-c137-4c22-99f9-f93bcd30eb64%2F2e90351d-d975-432e-9267-763c74ddd636%2Fa86qeq9_processed.png&w=3840&q=75)
Transcribed Image Text:15:42
MEE2007_Fluid_Mech...
Page 2
Ө
72
Part B:
Water at 40 °C (p = 992.3 and v = 0.664 × 10-6 m²/s) flows through a pipe at point
kg
m3
A (Figure Q2) with a diameter of 20 mm and a friction factor of f = 0.004. The water
flows into a bath shower mixer unit at D, made from a tee junction. From here, water
can exit along the tee branch through the spout via a gate valve (Figure Q2a) or along
the main channel of the tee and through the showerhead (Figure Q2b). The water
pressure at point A has been measured at 100 kPa. Loss coefficients for pipe fittings
have been provided in Table 1.
(a) If the water exits through the spout (Figure Q2a) via a fully opened gate valve
at B, with a diameter of 12 mm, determine the flow rate out of the spout in L/s.
The minor loss coefficient for the spout at B is Kspout = 0.6. Account for the
minor loss in the elbow, the tee, and the gate valve. The gate valve at E is
closed.
[30 marks]
(b) If the water emerges through the showerhead (Figure Q2b, point C) that
consists of 100 identical holes, each with a diameter of 1.5 mm. Determine the
flow rate out of the showerhead in L/s. The minor loss coefficient of the
showerhead is Kshowerhead = 0.45. The gate valve at B is closed. Account for
the minor loss in the three elbows, the fully opened gate valve at E, and the tee.
[30 marks]
(c) Discuss the differences in flow rate when water exits through the spout at point
B versus exiting through the showerhead at point C. Justify your answer.
000
Dashboard
Calendar
To-do
Page 3
[10 marks]
LO
5
1
Notifications
Inbox
Transcribed Image Text:15:42
MEE2007_Fluid_Mech...
Page 3
ill 72
D
a
0.15 m
M3
b
0.15 m
M3
LL
D
0.08 m
A
HE
B
HE
D
B
0.08 m
M₁₂
A
Figure Q2. Bath shower mixer unit with water entering the system at point A and
exiting through (a) spout located at point B and (b) shower head located at point C.
Table 1. Loss coefficients for pipe fittings
Loss coefficients for
KL
-
Gate valve fully opened
0.19
90° elbow
0.9
Tee along the main channel
0.4
Tee along branch
1.8
Dashboard
000
Calendar
To-do
Page 4
LO
5
1
Notifications
Inbox
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