(a) A rectangular access panel in the side of an open storage water tank is 0.2m wide x 0.2m high as shown in figure 1 (side view). The centre of the panel is 0.5m above the floor of the tank. The panel is held by a number of bolts and each bolt can withstand 500N before breaking. What is the minimum number of bolts needed to hold the panel when the water is 1.5m deep? (Atmo- spheric pressure, patm = 10° N/m², and the density of water is Pwater = 10° kg/m³). he1.5 02 0.5 Figure 1: Water Tank (Side View)
(a) A rectangular access panel in the side of an open storage water tank is 0.2m wide x 0.2m high as shown in figure 1 (side view). The centre of the panel is 0.5m above the floor of the tank. The panel is held by a number of bolts and each bolt can withstand 500N before breaking. What is the minimum number of bolts needed to hold the panel when the water is 1.5m deep? (Atmo- spheric pressure, patm = 10° N/m², and the density of water is Pwater = 10° kg/m³). he1.5 02 0.5 Figure 1: Water Tank (Side View)
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Transcribed Image Text:2. (a) A rectangular access panel in the side of an open storage water
tank is 0.2m wide x 0.2m high as shown in figure 1 (side view).
The centre of the panel is 0.5m above the floor of the tank. The
panel is held by a number of bolts and each bolt can withstand
500N before breaking. What is the minimum number of bolts
needed to hold the panel when the water is 1.5m deep? (Atmo-
spheric pressure, Patm
Preater= 10 kg/m³).
10 N/m2, and the density of water is
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he1.5
02
0.5
Figure 1: Water Tank (Side View)
(b) There are four elementary flows: source, sink, doublet and free
vortex.
(i) Which elementary flow can be combined with a uniform
stream to construct a uniform stream flowing over a circular
cylinder?
(ii) Which elementary flow can be added to the combination
described above in (i) to construct a uniform stream flowing
over a spinning circular cylinder?
(c) The following form of Bernoulli equation is valid for what kind of
flow?
= P2+;
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