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Why is liquid oxygen used in rockets?
The hydrogen-oxygen reaction generates tremendous heat, causing the water vapor to expand and exit the engine nozzles at speeds of 10,000 miles per hour! All that fast-moving steam creates the thrust that propels the rocket from Earth.
Do submarines use liquid oxygen?
This technology uses a submarine diesel engine which can be operated conventionally on the surface, but which can also be provided with oxidant, usually stored as liquid oxygen, when submerged. The submarine could also run its diesel using a snorkel.
Does liquid oxygen support combustion?
3 Answers. Oxygen is not flammable, as it does not burn, it supports burning. For burning to happen, a strong oxidizer (for example, oxygen) and a strong reducer (for example, carbon) must be present. Now, liquid oxygen is an entirely new level of crazy.
What are the advantages of liquid oxygen?
The primary benefit of liquid oxygen is that continuous flow oxygen can be supplied in a relatively small, lightweight container. The key advantages of liquid oxygen include portable, continuous flow capability, 100% concentrated oxygen, low weight (less than 10 pounds), and long duration (over 18 hours).
How explosive is liquid oxygen?
A mixture of lampblack and liquid oxygen was measured to have a detonation velocity of 3,000 m/s, and 4 to 12% more explosive power than dynamite. The long duration of the flame it produced, however, made it unsafe for use in the presence of explosive gases.
Can we drink liquid oxygen?
Oxygenated water is similar to hydrogen peroxide, a common antiseptic agent. Both liquids are forms of oxygenated water, though in hydrogen peroxide, a bond exists between two oxygen molecules. On the other hand, oxygenated water is simply oxygen dissolved in water, which is safe to drink.
How do submarines get rid of human waste?
Waste that is discharged overboard must either be pumped out against the ambient sea pressure or blown out using pressurized air. The cans are ejected from the submarine using a trash disposal unit (TDU), which is a long cylindrical, vertical tube connected to the ocean through a ball valve.
Why is liquid oxygen explosive?
A liquid oxygen explosive is a detonable mixture employing liquid oxygen as the oxidant of a combustible absorbent material. The detonation is the result of the rapid reaction of the combustible with the oxygen, which can occur over a wide range of oxygen concentrations.
Why is liquid oxygen so rare on Earth?
Liquid oxygen is much harder to find than liquid water because oxygen molecules aren’t strongly attracted to other oxygen molecules. Every substance has a certain level of attraction between its molecules that pulls the molecules toward each other.
Can you drink liquid oxygen?
Is liquid oxygen bad for you?
* Contact with liquid Oxygen can cause severe skin and eye irritation and burns as well as frostbite. * Breathing pure Oxygen at high pressures can cause nausea, dizziness, muscle twitching, vision loss, convulsions (fits), and loss of consciousness.
How does air independent propulsion work on submarines?
This alternator produces the required energy for the propulsion motor. The design is compatible to work both alongside and instead of the main diesel engine. The engine can also power the motors to control the air and water levels in the trim tank which in turn allows the depth control in a submarine.
How does a diesel engine work in a submarine?
So, a submarine using diesel engine stores air in tanks to maneuver underwater. So, the submarine has to resurface after every fixed interval in order to refill the air (oxygen) supply. This makes it difficult to have long stealthy operations under water in a submarine. It is true that a nuclear submarine can stay underwater for months.
How does a Stirling engine work on a submarine?
In short, the stirling engine uses the temperature difference between the heat source and heat sink as input in order to produce the output work. The design aspects includes the housing of a stirling engine which can work toe to toe or rather instead of the main diesel engine in driving the submarine.
How is the submarine design a long process?
The submarine design is a long and elaborate process with a lot of constraints. The design involves the optimization of a lot of factors like propulsion technology, carrying capacity, weapon capacity, maneuvering capacity and design aspects. All these factors has to be optimized without compromising the size of the whole system.