HYDROSTATIC FORCE ON PLANE SURFACES I need help analyzing my experiment. For a Fully Submerged surface: - what is the comparison between the results of W x r with the calculated values of F x (xcp + hs)? What is the reason for their discrepancies? What is the theories behind these results?

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
icon
Related questions
Question
100%
HYDROSTATIC FORCE ON PLANE SURFACES I need help analyzing my experiment. For a Fully Submerged surface: - what is the comparison between the results of W x r with the calculated values of F x (xcp + hs)? What is the reason for their discrepancies? What is the theories behind these results?
Trial No.
1 Base trial
1 partially submerged
2 partially submerged
3 partially submerged
1 fully submerged
2 fully submerged
3 fully submerged
d (mm) h (mm) hs = 200- h-d (F (N)
69
84
54
62
101
121
148
0
0
0
0
1
21
48
xcp (mm)
131 174.3578657
116 258.4056082
146 106.7900728
138 140.7753908 41.33333333
98 380.9798103 710973.6667
58 722.2978755 2067793.667
4 1322.497636 5748010.667
46
56
36
F × (xcp + hs)(N- mm) W (N)
30861.34223
44445.7646
19435.79324
25245.72009
270903948.7
1493604866
7601735810
50
100
10
30
170
250
360
Wxr (N mm)
13970
27940
2794
8382
47498
69850
100584
Temperature (C)
Density (g/mL)
Temperature Coefficient
Width (m)
gravity
r (mm)
27
0.99652
0.99831
0.0075
9.8
279.4
Transcribed Image Text:Trial No. 1 Base trial 1 partially submerged 2 partially submerged 3 partially submerged 1 fully submerged 2 fully submerged 3 fully submerged d (mm) h (mm) hs = 200- h-d (F (N) 69 84 54 62 101 121 148 0 0 0 0 1 21 48 xcp (mm) 131 174.3578657 116 258.4056082 146 106.7900728 138 140.7753908 41.33333333 98 380.9798103 710973.6667 58 722.2978755 2067793.667 4 1322.497636 5748010.667 46 56 36 F × (xcp + hs)(N- mm) W (N) 30861.34223 44445.7646 19435.79324 25245.72009 270903948.7 1493604866 7601735810 50 100 10 30 170 250 360 Wxr (N mm) 13970 27940 2794 8382 47498 69850 100584 Temperature (C) Density (g/mL) Temperature Coefficient Width (m) gravity r (mm) 27 0.99652 0.99831 0.0075 9.8 279.4
for a fully submerged surface:
F = = √yb[(h+d)² + h²]
2
Xep - (3h² +3hd+d²) (2h+d)
=
3
for a partially submerged surface:
here:
F
Xcp
Y
h
d
do
where:
W
r
F
Xcp
hs
F-Vbd²
=
Taking moments about the fulcrum,
Xcp
=
2
3d
total force on the end face of the quadrant, [kN]
depth of the center of pressure, [m or mm]
unit weight of the fluid, [kN/m²]
height of the submerged portion of the end face of the quadrant, [m or mm]
d = do, if the end face of the quadrant is fully submerged
height of the end face of the quadrant, [m or mm]
eq. 2
vertical height from the water surface to the top of the quadrant plane surface, [m or mm
h = 0, if the end face of the quadrant is partially submerged only
Wr = F(xcp +hs)
weight applied at the end of the lever arm, [kN]
perpendicular distance from the hanger to the fulcrum, [m or mm]
total force on the end face of the quadrant, [kN]
depth of the center of pressure, [m or mm]
vertical height from the water surface to the fulcrum, [m or mm]
eq. 3
eq. 4
eq. 5
eq. 6
Transcribed Image Text:for a fully submerged surface: F = = √yb[(h+d)² + h²] 2 Xep - (3h² +3hd+d²) (2h+d) = 3 for a partially submerged surface: here: F Xcp Y h d do where: W r F Xcp hs F-Vbd² = Taking moments about the fulcrum, Xcp = 2 3d total force on the end face of the quadrant, [kN] depth of the center of pressure, [m or mm] unit weight of the fluid, [kN/m²] height of the submerged portion of the end face of the quadrant, [m or mm] d = do, if the end face of the quadrant is fully submerged height of the end face of the quadrant, [m or mm] eq. 2 vertical height from the water surface to the top of the quadrant plane surface, [m or mm h = 0, if the end face of the quadrant is partially submerged only Wr = F(xcp +hs) weight applied at the end of the lever arm, [kN] perpendicular distance from the hanger to the fulcrum, [m or mm] total force on the end face of the quadrant, [kN] depth of the center of pressure, [m or mm] vertical height from the water surface to the fulcrum, [m or mm] eq. 3 eq. 4 eq. 5 eq. 6
Expert Solution
steps

Step by step

Solved in 3 steps with 2 images

Blurred answer
Knowledge Booster
Mass and mass related variables in engineering
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Structural Analysis
Structural Analysis
Civil Engineering
ISBN:
9781337630931
Author:
KASSIMALI, Aslam.
Publisher:
Cengage,
Structural Analysis (10th Edition)
Structural Analysis (10th Edition)
Civil Engineering
ISBN:
9780134610672
Author:
Russell C. Hibbeler
Publisher:
PEARSON
Principles of Foundation Engineering (MindTap Cou…
Principles of Foundation Engineering (MindTap Cou…
Civil Engineering
ISBN:
9781337705028
Author:
Braja M. Das, Nagaratnam Sivakugan
Publisher:
Cengage Learning
Fundamentals of Structural Analysis
Fundamentals of Structural Analysis
Civil Engineering
ISBN:
9780073398006
Author:
Kenneth M. Leet Emeritus, Chia-Ming Uang, Joel Lanning
Publisher:
McGraw-Hill Education
Sustainable Energy
Sustainable Energy
Civil Engineering
ISBN:
9781337551663
Author:
DUNLAP, Richard A.
Publisher:
Cengage,
Traffic and Highway Engineering
Traffic and Highway Engineering
Civil Engineering
ISBN:
9781305156241
Author:
Garber, Nicholas J.
Publisher:
Cengage Learning