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An aqualung is comprised of two parts - the tank, and then regulator.
The tank simply contains highly compressed gas. The regulator reduces the pressure of that gas to a level which is breathable by the diver for a particular depth.
In a normal Aluminium diving cylinder, the breathing gas (usually plain air) will be compressed to about 3,000 PSI (200 bar).
The regulator has two stages, the first stage (the bit that gets attached to the tank), and the second stage (the bit that the diver puts in her mouth). The first stage will reduce the air pressure coming from the tank from 3,000 PSI down to about 300 PSI (20 bar). This air then flows down the hose to the second stage. The second stage then reduces the pressure from 300 PSI to the ambient pressure at the diver's depth (the deeper a diver goes, the greater the ambient pressure). Accordingly, no matter how deep a diver goes, the air will be delivered as pressure which enables her to breathe normally despite the water pressure on her body.
The regulator works by way of a demand valve. When the diver inhales, that lowers the pressure in the second stage housing. This opens the demand valve, and higher pressure air flows in from system. Once the air pressure in the house is restored to equilibrium, the demand valve closes.
If the regulator starts to malfunction, it can either deliver air at too low a pressure (so it will become hard to breathe) or too high a pressure (the regulator will "free flow" with bubble coming out).
What else can I help you with?
Did cousteaus son die testing the aqualung?
Yes, Philippe Cousteau died in a plane crash in 1979 while testing a new seaplane design, not while testing the Aqualung apparatus.
What discoveries organisms sea floor features were found with aqualung?
With the invention of the aqualung, scientists were able to discover diverse ecosystems thriving on the seafloor, such as hydrothermal vent communities and coral reefs. They also found unique species adapted to extreme conditions in deep-sea trenches and undersea caves. The aqualung enabled researchers to study these environments up close and uncover important insights into marine biodiversity and ecology.
When was an aqualung invented?
1943Emile Gagnan and Jacques Cousteau invented the modern demand regulator and an improved autonomous diving suit. In 1942, redesigned a car regulator and invented a demand regulator that would automatically fresh air when a diver breathed. A year later in 1943, Cousteau and Gagnan began selling the Aqua-Lung.
What did Jacques Cousteau invented that has the letters ualuqagn?
Jacques Cousteau did not invent anything with the letters "ualuqagn." He was a French naval officer, explorer, conservationist, filmmaker, innovator, scientist, photographer, and researcher who co-invented the Aqua-Lung, a type of diving equipment, with Emile Gagnan.
What is the purpose of the planets other than the Earth?
They have no particular purpose
When was Aqualung - Aqualung album - created?
Aqualung - Aqualung album - was created on 2002-09-30.
Where was the aqualung invented?
Jacques-Yves Cousteau invented the aqualung in France in 1943.
When was Aqualung Live created?
Aqualung Live was created on 2005-09-19.
How is aqualung used in a sentence?
I have an early 1950s aqualung that is still in working order.
What sentence could you use the aqualung in?
Diver's use an aqualung when they go scuba diving.
How do you put aqualung in a sentence?
I used an aqualung while diving in the Great Barrier Reef.
What important things happened in 1943?
Jacques Cousteau invented the Aqualung Jacques Cousteau invented the Aqualung
When was Magnetic North - Aqualung album - created?
Magnetic North - Aqualung album - was created on 2010-04-20.
What gave Jacques Cousteau the idea for aqualung?
Unfortunately the "Aqualung" was not his ideal, it was a very old ideal that he and Émile Gagnan were able to perfect in 1943. NOTE: "Aqualung" is a trademark of Aqua-Lung Inc.
Did the aqualung come before scuba gear?
Aqualung was the original name for SCUBA, self-contained underwater breathing apparatus.
Underwater apparatus begins with a?
Aqualung
Where was the inventor of aqualung born?
FRANCE
