jet engine

Early jet engines had narrow inlets and were very noisy, but as the diameter of the fans at the front increased, the engines became quieter.

One example of such a striking shift was the changeover to jet engines in commercial aircraft.

The steady drone of the jet engines suddenly changed pitch. Jack opened his eyes, instantly alert, surprised he'd slept at all.

Making jet engines able to work at extreme temperatures is an extraordinary achievement.

Such a warning could be critical for air traffic, since ash emitted by volcanoes is especially hazardous to jet engines.

Aviation: "Green" jet engines, able to power aircraft while producing fewer emissions, are under development. Which design will prevail?

Jet engines handle so much air that pressurization supplies can be bled from them under great pressure, and already very hot.

India has no facilities for altitude-testing and flight-testing jet engines.

Any of various winged vehicles capable of flight, generally heavier than air and driven by jet engines or propellers.

This confidence begins to fade a little when he arrives at the airport and winces at the shrill screaming of jet engines.

In fact, Hawkes foresees jet engines playing a dual role, propelling the plane through the water as well as through the air.

THAT jet engines have evolved over the past few decades will be apparent to any seasoned air traveller.

I'm not being figurative or clever here. I'm talking about legitimate soaring through the air, without the aid of wings or jet engines.

That fine volcanic ash could pose a risk to jet engines, which have cut out in the past after exposure to similar volcanic material.

As in other jet engines, forward thrust is obtained as a reaction to the rearward rush of hot exhaust gases.

Jet engines rely on Isaac Newton's third law of motion: for every action there is an equal and opposite reaction.

Can you see your whole life rapid response, you reliable jet engines to lay the strength of the road.

With the growing Chinese skill in building jet engines, China has entered the big leagues of warplane manufacturing.

Whereas in the 1960s, jet engines were long and slim, today they have a vast opening at the front containing a giant fan.

Whereas jet engines were long and slim in the 1960s, today they have a vast opening at the front containing a giant fan.

The harm could be amplified by the effects of other emissions from jet-engines at high altitude.

Dad was a supervisor in a company that serviced jet engines.

Rolls-Royce, the leading European maker of jet engines for airliners, has made no comment on this.

GE's third strategic business is jet engines, which it designs and manufactures for both the aerospace and military sectors.

Until the late 1960s the market for big jet engines was dominated by Pratt &Whitney, with a share of about 90%.

Now, Erickson is taking aim at China's advances in building jet engines for large aircraft for both military and civilian use.

Volcanic ash does not mix well with jet engines, hence the disruption.

The fine, glassy particles that make up volcanic ash scour airplane windows and can clog and stall jet engines.

Because volcanic ash can cripple jet engines, flights were not allowed in Icelandic airspace Sunday.

Overhead comes a repeated drone from jet engines preparing to land at Manchester airport.

Aircraft have been grounded because the small particles of volcanic material can damage jet engines.

Jet engines put out more thrust and wings are more efficient in this climate.

I'm thinking here of jet engines, laboratory equipment, serious art and literature.

Dr. Arthur tries to explain the emergence of radical new technologies from jet engines to GPS.

Aircraft jet engines air inlet ducts, up to 6. 00 inch diameter.

Bentley is founder early in the first world war ii manufacturing supply royal air force jet engines and famous.

Most jet engines have an electric starter motor, and this motor could spin the turbine's shaft under water, Hawkes suggests.

The Soviet design used heavy jet engines to deliver the power needed for take-off.

GE is good at big: It makes big wind turbines, big jet engines, big locomotives.

However, continuous combustion engines, such as jet engines, most rockets and many gas turbines are also internal combustion engines.

In addition, these particles were so small they could have melted quickly inside jet engines, potentially causing them to fail mid-flight.

Metreveli's design, called the Eagle, calls for two jet engines that turn four large horizontal propellers.

The second was to change the basic architecture of jet engines by using three shafts instead of two.

Jet engines are very powerful.

Purchases of some items continued - S-300 air defense systems and billions of dollars worth of jet engines.

The aircraft is powered by three jet engines.

That was on display in Durham, North Carolina where the GE Aviation plant will make 377 jet engines this year, 80 per cent for export.

It is interesting to note, that the Nazis developed the first practical pulse- jet engines for their V-8 rocket "buzz bombs. "

It would still not have the reliability of jet engines.

So can other aircraft, such as helicopters or prop-planes that don't have jet engines, fly through these conditions?

a plane propelled by two jet engines.

This is the turbine to compressor mechanical advantage mentioned earlier that is employed in jet engines and is key to making them work!

an airplane powered by one or more jet engines.

They will use magnetic forces or jet engines and they will ride on air.

Heat-seeking missiles, for example, carry infrared sensors that allow them to home in on the exhaust of jet engines.

Numerical computations of infrared signatures in exhaust flow fields of jet engines

The application of fire apparatus with turbine jet engines in fire and rescue operation

Development of Large Regional Jet Engines