The purpose of Helium gas in any airship, including modern airships, is to reduce the overall density and thus provide "lift."
Helium has replace hydrogen in airships
It was hydrogen. That's why it caught fire. Modern airships use helium.
Some use hot air (like a hot air balloon) and others use helium.
No, the Hindenburg airship was filled with hydrogen gas, not helium. The use of hydrogen was a factor in the Hindenburg disaster, as the highly flammable gas led to the airship catching fire and crashing in 1937.
no, not always. there's the choice of hydrogen or helium.
If the airship is shrunk by an enemy, the volume of the gas inside the airship will reduce in proportion to the shrinkage of the airship. The gas molecules will be more compressed, leading to an increase in pressure within the airship.
The purpose of the helium gas in the GC (gas chromatography) machine is to act as the carrier gas. The helium gas carries the sample through the column, allowing for the separation and analysis of the various components in the sample. Helium is commonly used as the carrier gas due to its inertness and low molecular weight, which facilitates efficient sample transport.
Airships are typically inflated with helium, a non-flammable gas that is safer than hydrogen, which was historically used but is highly flammable. Helium is preferred for its lighter-than-air properties and safety, as it does not pose a risk of explosion. Additionally, helium is abundant and less reactive, making it suitable for airship operations.
Depends on what you mean by "powers". Lift is generally provided by helium. Then they need something to run the engines, which can be gasoline(petrol), diesel or something else.
The gas inside the shell of the airship (a helium mixture these days, though hydrogen was widely used until the time of the Hindenburg disaster) is lighter than the nitrogen and oxygen that makes up the bulk of the atmosphere.The helium seeks to rise to the top of the atmosphere (and beyond, into outer space), but is contained - and partly weighed down - by the shell of the airship. Through a careful balancing of the helium mixture and the weight of the craft and its cargo, it can be made to float at a given altitude.Once airborne, giant steering fans attached to the gondola (the cabin beneath the airship's shell) provide both propulsion and the ability to turn. When the ship is ready to land, the pilot vents helium, making the airship less buoyant and returning it to earth.
The Hindenburg was a giant balloon airship filled with hydrogen gas for buoyancy.Hydrogen is the lightest of all gasses and has a mass of only half the mass of helium gas, so it worked well to lift the mass of the airship. The Hindenburg disaster took place on Thursday, May 6, 1937, and part of the disaster was due to the hydrogen gas catching fire. Helium would not catch fire since it is an inert gas.
Depends on the purpose. But if you combine neon with helium, and obtain a helium-neon laser, you can see that it is much smaller than a xenon laser.