Sentences with phrase «liquid hydrogen»
"Liquid hydrogen" refers to hydrogen in its liquid state, which means it has been cooled down to a very low temperature where it becomes a liquid. Full definition
The temperature is very cold, and the surface of this gigantic planet is an ocean of liquid hydrogen that could be as much as 10,000 miles deep.
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Consider this: One tablespoon of liquid hydrogen fuel — a mix of deuterium and tritium — would produce the same energy as 28 tons of coal.
NASA can use existing capabilities and lower development costs by using liquid hydrogen and liquid oxygen (lox) for both the core and upper stages.
«By evaluating the risks quantitatively, we believe we can shorten the separation distances required in the code for liquid hydrogen just as we did with gaseous hydrogen.
Block IA — A large Cryogenic Propulsion Stage, specifically developed for SLS and powered by liquid hydrogen fuel and liquid oxygen oxidizer.
The first stage used Rocket Propellant - 1, a form of kerosene similar to jet fuel, while the second and third stages relied on liquid hydrogen for fuel.
It is powered by liquid hydrogen peroxide (the tank can contain 12,5 litres de H2O2 at 86 % concentration) that generates steam at 650 degrees Fahrenheit.
The most common liquid in the solar system is high - pressure liquid hydrogen in the giant gaseous planets Jupiter and Saturn.
By contrast, a 2006 BMW offering burned liquid hydrogen but it was inefficient and never mass - produced.
Boeing has done extensive testing of both hydrogen fuel cell and liquid hydrogen engines, though neither is yet even remotely close to viable as an energy source.
The 20 - centimetre - long fissure appeared on Friday as the tank was being drained of liquid hydrogen after a fuel leak had prevented the shuttle from launching.
Ability to productively use waste gaseous hydrogen — an inevitable byproduct of long - term liquid hydrogen storage in the radiative heat environment of space — for both orbital stationkeeping and attitude control.
Storage of hydrogen on a vehicle currently requires large and unwieldy high - pressure containers rated 5,000 or 10,000 psi for storing compressed hydrogen; or bulky «thermos bottle» containers for storing liquid hydrogen.
Specifically, the SuperGrid would use a high - capacity, superconducting power transmission cable cooled with liquid hydrogen produced by advanced nuclear plants.
Air Products to Install Hydrogen Station, Fuel Supply for SARTA Sep 29, 2016 Next - Gen Transportation News (Oxford, CT) Air Products, a global supplier of hydrogen to refineries to assist in producing cleaner - burning transportation fuels, says that it will provide a new hydrogen fueling station and liquid hydrogen supply to Stark Area Regional Transit Authority (SARTA) for its zero - emission bus fleet.
Incredibly difficult to keep from boiling off, because liquid hydrogen is very close to absolute zero as a liquid.
Urey and two colleagues then detected deuterium by its atomic spectrum in residue distilled from liquid hydrogen.
The lander would refuel on the space station, and would utilize liquid hydrogen fuel, which would come from water molecules broken into their composite oxygen and hydrogen atoms.
The drawbacks of conventional storage tanks for gaseous and liquid hydrogen force us to look for other solutions.
Over the years, Easley produced code that went on to be used in renewable energy research, including batteries for early hybrid vehicles, as well as for the high - thrust liquid oxygen / liquid hydrogen Centaur rocket used to get space capsules into orbit.
Bond conceived the idea of using the ultracold liquid hydrogen fuel as a heat sink to take the excess heat out of the incoming air and use some of the hot air to support fuel combustion.
There are only about 50 hydrogen fueling stations in the United States, and just a handful of those dispense liquid hydrogen.
Sucessfully developing the Shuttle Main Engine was definitely pushing the envelope - weight - ~ 7000 lb fuel consumption - ~ 275 gallons / sec liquid oxygen & ~ 750 gallons / sec liquid hydrogen, pumped from tanks at 30psi and delivered at > 4000 psi combustion chamber pressure — 3000 psi combustion chamber temperature 3,300 °C (6,000 °F), (higher than the boiling point of iron.)
The only problem was, there was no supply of liquid hydrogen available in the area, so the fuel for the hydrogen powered buses had to be trucked in from Toronto — by diesel powered tanker trucks.
Liquid hydrogen tankage is straightforward and airframe development is a known quantity.
The blue ovals (pictured above left) are residue from the main engines of the space shuttle launch vehicle, which used liquid hydrogen and liquid oxygen (pictured below).
The BMW Hydrogen 7 runs on liquid hydrogen, not gaseous hydrogen.
The fissure, now 50 centimetres long, appeared on 5 November as the tank was being drained of liquid hydrogen after an earlier fuel leak prevented the shuttle from launching.
They were pleased enough with the results that they ponied up another $ 10 million ($ 14 million) for LAPCAT II, a four - year study that launched in October 2008 with a mandate to refine two of the LAPCAT concepts based on engines that would burn liquid hydrogen, and to produce detailed development road maps for producing them.
Liquid hydrogen engines were first successfully developed in America, the RL - 10 engine first flew in 1962.
Sandia is also in the process of developing a risk - informed approach for shortening the separation distances for liquid hydrogen storage at fueling stations, as current efforts only examined separation distances for gaseous hydrogen.
The SLS core stage will store liquid hydrogen (LH) and liquid oxygen (LOX) to feed the rocket's four RS - 25 engines.
This technology bonds hydrogen molecules within a carrier oil, eliminating the need for expensive pressure storage solutions or refrigeration units for liquid hydrogen.
The shuttle is comprised of three components: the orbiter (the aeroplane - like crew - and cargo - carrying craft that most people think of as the shuttle); a large external tank (ET) that holds the liquid oxygen and liquid hydrogen fuel; and two solid rocket boosters (SRBs) packed with powdered aluminium and rubber fuel.
It was a tense 20 hours in the Town of Niagara after a tanker truck full of liquid hydrogen had an accident in a local parking lot.
To investigate, Jérémie Palacci of New York University and his colleagues created plastic micro-spheres, each with a cubic patch of haematite, an iron oxide, on its surface, then dropped them into the liquid hydrogen peroxide.
Hydrogen and helium gas (brown) might sit atop the liquid hydrogen, just below the clouds.
Using one of the world's most powerful lasers, physicists have found experimental evidence for Saturn's helium «rain,» a phenomenon in which a mixture of liquid hydrogen and helium separates like oil and water, sending droplets of helium deep in the planet's atmosphere.
At still deeper levels, the liquid hydrogen becomes electrically conductive, or metallic, while the liquid helium remains mixed in.
«We need to do more experimental and modeling work to understand and evaluate the science and physics of liquid hydrogen,» said San Marchi.
Liquid hydrogen is attractive because it takes up less space than gaseous hydrogen and allows fueling stations to accommodate larger numbers of fuel - cell electric vehicles.
The use of liquid hydrogen and liquid oxygen as propellant is an integral part of the entire Mars Base Camp (MBC) architecture, the company representatives said.
J. J. L. Weaver remembers fifth formers being treated to a demonstration of the freezing properties of liquid hydrogen.
Liquid hydrogen was poured over it, freezing it solid.
The liquid hydrogen / oxygen (LH2 / LOX) fuel can be used to fill the tanks of manned vehicles travelling between Earth and Mars.
On Tuesday, NASA filled the shuttle's fuel tank with 1.9 million litres (500,000 gallons) of liquid hydrogen and liquid oxygen to try to pinpoint the location of a suspected wiring or circuit problem that was causing erratic readings from the sensors, which are located in the ship's fuel tank.
A 30 % solution of borohydride in water actually contains one - third more hydrogen than the same volume of liquid hydrogen.
The new rocket will use a liquid hydrogen and liquid oxygen propulsion system, with an initial lift capacity of 70 metric tons.