Sentences with phrase «of liquid hydrogen»

Since the volumetric energy density of ammonia is three times that of liquid hydrogen, and ammonia combustion can be exceptionally efficient (about the same as burning diesel fuel in turbodiesels), it may be true that a hydrogen economy based upon OTEC and ammonia may be close at hand.

Neon has over 40 times the refrigerating capacity of liquid helium and three times that of liquid hydrogen (on a per unit volume basis).

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.

While Saturn is mostly a gigantic shroud of liquid hydrogen and liquid helium, it contains a rocky core — about 18 times the size of Earth, which responds to tidal forces from all of Saturn's major moons by bulging.

In this experiment, a 5.5 - GeV beam of electrons was directed onto a target of liquid hydrogen, which has a single proton in its nucleus.

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.

A 30 % solution of borohydride in water actually contains one - third more hydrogen than the same volume of liquid hydrogen.

J. J. L. Weaver remembers fifth formers being treated to a demonstration of the freezing properties of liquid hydrogen.

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.

Consider this: One tablespoon of liquid hydrogen fuel — a mix of deuterium and tritium — would produce the same energy as 28 tons of coal.

Not exact matches

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.

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.

When hydrogen and oxygen combine in a planet's atmosphere, they can ignite into a ball of fire and then leave behind liquid water oceans that would be good for life

Where the numbers really pile up is in the operation of Kennedy Space Center, which includes pumping 300,000 gallons of water to protect the shuttle from launch vibrations, moving the rockets, and keeping hundreds of tons of liquid oxygen and hydrogen cool.

Although the planet's size implies that it is a ball of hydrogen and helium gas incapable of supporting pools of liquid water, the finding raises the possibility that additional, earthlike planets might be discovered around it.

Studies of hydrogen molecules in the Venusian atmosphere by NASA's Pioneer - Venus probe indicate that the planet once had liquid water on its surface, perhaps even expansive oceans.

Heat and catalysts converted methane into syngas (carbon monoxide and hydrogen) which were then transformed into liquid hydrocarbons (otherwise known as oil and its derivatives): petroleum, gasoline and, in the case of aviation, kerosene.

It can run for up to eight minutes on 1 - milliliter of hydrogen peroxide, the same liquid used around the house to clean and disinfect.

First, engineers reduce the volume of the gas by cooling it to the temperature of liquid nitrogen (196 degrees C), which is easier to attain than liquid - hydrogen temperatures.

The current code, known as NFPA 2, provides fundamental safeguards for the generation, installation, storage, piping, use and handling of hydrogen in compressed gas or cryogenic (low temperature) liquid form.

The drawbacks of conventional storage tanks for gaseous and liquid hydrogen force us to look for other solutions.

Jupiter does not have a molten metal core; instead, its magnetic field is created by a core of compressed liquid metallic hydrogen.

These weak interactions, such as hydrogen bonds, van der Waals forces, and π - π interactions, govern the assembly of everything from DNA in its famous double helix to the bonding of H2O molecules in liquid water.

«Biomass to liquid fuel, electricity for charging of a battery or generating hydrogen, [those are] really our options,» he says.

There, the sulfur dioxide rapidly combined with readily available hydroxide gas — which, in liquid form, is commonly known as hydrogen peroxide — to form more than 100 million tons of sulfuric acid.

The reaction occurs in a liquid phase and proceeds at relatively low temperatures (about 200 degrees Celsius), unlike the costly current methods of extracting hydrogen from glucose that use pressurized steam.

The rocket has two solid - fuel boosters and a main tank that carries 173 tons of liquid oxygen and hydrogen.

The liquid hydrogen / oxygen (LH2 / LOX) fuel can be used to fill the tanks of manned vehicles travelling between Earth and Mars.

And if any planets similar to these orbit in their parents stars» habitable zone, substantially farther from the home star where liquid water might more likely exist, their atmospheres will lose even smaller amounts of hydrogen - bearing compounds over time, the researchers note.

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.

Co-author Professor Sir John Meurig Thomas, from the Department of Materials Science and Metallurgy at the University of Cambridge, said the work could be extended so that many of the liquid components of refined petroleum and inexpensive solid catalysts can pave the way for the generation of massive quantities of high - purity hydrogen for other commercial uses, including CO2 - free energy production.

ICING OUT An unusual form of ice is made of a solid lattice of oxygen ions (circles in this illustration) through which hydrogen ions travel freely (pink trails), like a liquid.

It could offer a convenient and portable source of hydrogen for fuel cells and other applications, potentially transforming the energy market and providing an alternative to batteries and liquid fuels.

Results from these and other studies are yielding important insights into the cooperativity effects in hydrogen bonding, aqueous solvation, and hydrogen - bond network rearrangement dynamics, which promise to enhance our understanding of solid and liquid water behavior.

Since life originated on the earth in a span much shorter than the present age of the earth, we have additional evidence that the origin of life has a high probability, at least on planets with an abundant supply of hydrogen - rich gases, liquid water and sources of energy.

Here you can crank a handle to generate electricity to electrolyse water into hydrogen and oxygen (and recombine them with a bang), operate a miniature chemical plant or a gas scrubber, measure the pH of various common substances, or discover your personal hot spots by lying against a large sheet of liquid crystals.

Innovative hydrogen storage techniques, such as organic liquid carriers that do not require high - pressure storage, however, will soon lower the cost of long - distance transport and ease the risks associated with gas storage and inadvertent release.

Life as we know it requires three primary ingredients: liquid water; a source of energy for metabolism; and the right chemical ingredients, primarily carbon, hydrogen, nitrogen, oxygen, phosphorus and sulfur.

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).

In its final pass through the liquid plumes of the icy moon, Cassini found molecular hydrogen, indicating favourable conditions for life in the moon's subsurface sea.

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.

This exotic state of water is characterized by liquid - like hydrogen ions moving within a solid lattice of oxygen.

At the fringes of space, the dual - mode power plant would switch to a conventional rocket engine, drawing on the liquid hydrogen and a small supply of liquid oxygen to propel the winged craft into orbit at a final speed of Mach 25.

Huang refers to the splitting of water, a process used to create gaseous hydrogen and oxygen from liquid water where properly defective molybdenum sulfide could enhance the process and reduce the amounts of energy and costs needed and increase the amount of hydrogen produced.

Under the clouds of methane, hydrogen and helium, the sky gradually turns into liquid until it becomes a giant ocean of liquid chemicals.

Scientists announced Thursday that measurements from NASA's Cassini spacecraft detected hydrogen gas, a key energy source for microbial life, in a plume gushing from a vast liquid water ocean buried beneath the icy shell of Saturn's moon Enceladus.

In addition, the use of hydrogen in an FT plant could nearly triple yields of liquid fuels.

P1 behavior was first investigated by STM at the liquid / solid interface: as an exemple, an arrangement of the molecules on HOPG presenting a quasi-square lattice (a = 2.1 nm, b = 2.2 nm, α = 94 °) self - assembled by hydrogen bonds between the pyridine unit and the methyl groups borne by the p - xylene core will be described, indicating strong intermolecular interactions between the molecules P1 leading to a supramolecular self - assembly independent of the underlying HOPG structure.

The study provides a vital clue to that coupling: placing the catalyst in a proton - packed liquid with plenty of water produces hydrogen fuel quickly and efficiently.

«The discovery of native molecular hydrogen (H2) completes the set of what I would call the «basic» requirements for life as we know it: Liquid water, organic molecules, minerals, and an accessible source of «free» energy.