Describe the forces that enable the submarine to descend or ascend in the seawater. When the submarine holds at the constant depth of 3,500m, calculate the buoyant force on the submarine. weight of seawater in the ballast tank. seawater pressure. When seawater flows into the bottom opening at 10 m/s, calculate the velocity of the seawater level (8m above the bottom of the submarine) inside the ballast tank (v on diagram). Calculate the net force on the submarine circular hatch door (10m above the bottom of the submarine) with a radius of 0.5m. The air pressure inside the submarine below the hatch door is 150 101.3 kPa. Calculate the change in heat energy of the submarine’s outer haul, when it descends from the surface to a depth of 3,500m (with an average temperature of 20°C). Calculate the power of the submarine’s electrical heater needed, to maintain the interior of outer hull at 30°C. The exterior of outer hull is 10°C. (Assume heat of the submarine is only lost across the outer hull) Suggest aerospace applications of ballast.
Describe the forces that enable the submarine to descend or ascend in the seawater. When the submarine holds at the constant depth of 3,500m, calculate the buoyant force on the submarine. weight of seawater in the ballast tank. seawater pressure. When seawater flows into the bottom opening at 10 m/s, calculate the velocity of the seawater level (8m above the bottom of the submarine) inside the ballast tank (v on diagram). Calculate the net force on the submarine circular hatch door (10m above the bottom of the submarine) with a radius of 0.5m. The air pressure inside the submarine below the hatch door is 150 101.3 kPa. Calculate the change in heat energy of the submarine’s outer haul, when it descends from the surface to a depth of 3,500m (with an average temperature of 20°C). Calculate the power of the submarine’s electrical heater needed, to maintain the interior of outer hull at 30°C. The exterior of outer hull is 10°C. (Assume heat of the submarine is only lost across the outer hull) Suggest aerospace applications of ballast.
Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter50: Commercial, Packaged Rooftop, Variable Refrigerant Flow, And Variable Air Volume Systems
Section: Chapter Questions
Problem 18RQ: Explain how carbon dioxide levels can be used to estimate the occupancy level in a particular area...
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Question
- Describe the forces that enable the submarine to descend or ascend in
the seawater.
- When the submarine holds at the constant depth of 3,500m, calculate the
- buoyant force on the submarine.
- weight of seawater in the ballast tank.
- seawater pressure.
- When seawater flows into the bottom opening at 10 m/s,
calculate the velocity of the seawater level (8m above the bottom of
the submarine) inside the ballast tank (v on diagram).
- Calculate the net force on the submarine circular hatch door
(10m above the bottom of the submarine) with a radius of 0.5m.
The air pressure inside the submarine below the hatch door is
150 101.3 kPa.
- Calculate the change in heat energy of the submarine’s outer haul,
when it descends from the surface to a depth of 3,500m
(with an average temperature of 20°C).
- Calculate the power of the submarine’s electrical heater needed,
to maintain the interior of outer hull at 30°C.
The exterior of outer hull is 10°C. (Assume heat of the submarine is
only lost across the outer hull)
- Suggest aerospace applications of ballast.
Transcribed Image Text:Air
Tank
Opening
Vent
Outer hull
Inner hull
Ballast tank
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