A low dam (also called as a cylindrical weir) of cross-sectional diameter D stores fluid 1 of depth D and separates it with another fluid 2 of depth D/2, as shown in the figure below. The width of the dam is W into the page. 9 P1 air Pdam D/2 air P2 (a) Obtain expressions for the net horizontal and vertical hydrostatic forces applied to the low dam. Indicate the direction of each force in the free body diagram. (b) If both fluids are water, compute the minimum mass of the dam so that it does not float over the water. If you are an engineer designing this dam, which concrete among those listed in Table 1 would you choose to use? It is assumed that the dam has an uniform density pdam. The density of water is 1000 kg/m³, the gravitational acceleration g = 9.81 m/s², the diameter D = 5 m and the width W = 10 m. (×103 kg/m³) Material Concrete, lightweight 0.45 Concrete, medium Concrete, dense 1.5 2.4 Table 1: Density of commonly-used concrete.
A low dam (also called as a cylindrical weir) of cross-sectional diameter D stores fluid 1 of depth D and separates it with another fluid 2 of depth D/2, as shown in the figure below. The width of the dam is W into the page. 9 P1 air Pdam D/2 air P2 (a) Obtain expressions for the net horizontal and vertical hydrostatic forces applied to the low dam. Indicate the direction of each force in the free body diagram. (b) If both fluids are water, compute the minimum mass of the dam so that it does not float over the water. If you are an engineer designing this dam, which concrete among those listed in Table 1 would you choose to use? It is assumed that the dam has an uniform density pdam. The density of water is 1000 kg/m³, the gravitational acceleration g = 9.81 m/s², the diameter D = 5 m and the width W = 10 m. (×103 kg/m³) Material Concrete, lightweight 0.45 Concrete, medium Concrete, dense 1.5 2.4 Table 1: Density of commonly-used concrete.
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:A low dam (also called as a cylindrical weir) of cross-sectional diameter D stores fluid 1 of depth D and
separates it with another fluid 2 of depth D/2, as shown in the figure below. The width of the dam is W into
the page.
9
P1
air
Pdam
D/2
air
P2
(a) Obtain expressions for the net horizontal and vertical hydrostatic forces applied to the low dam. Indicate
the direction of each force in the free body diagram.
(b) If both fluids are water, compute the minimum mass of the dam so that it does not float over the water.
If you are an engineer designing this dam, which concrete among those listed in Table 1 would you choose
to use? It is assumed that the dam has an uniform density pdam. The density of water is 1000 kg/m³,
the gravitational acceleration g = 9.81 m/s², the diameter D = 5 m and the width W = 10 m.
(×103 kg/m³)
Material
Concrete, lightweight 0.45
Concrete, medium
Concrete, dense
1.5
2.4
Table 1: Density of commonly-used concrete.
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