Sentences with phrase «pressure waves at»

Standing air pressure waves at the mouth of each runner were essentially in phase, while prior manifolds had waves out of phase at low speed, resulting in rumbling noises.
For instance, they broadcast acoustic signals, creating pressure waves at the seafloor.

Not exact matches

Now, thanks to advanced algorithms, modern electronics, and control systems, the hammers can hit the side of General Fusion's sphere - shaped metal reactor precisely at the same time, creating a pressure wave that compresses the plasma into a fusion reaction at 100 million degrees centigrade.
As I emphasized last week, even if we had no concern at all about a second wave of credit strains, we would still be fully hedged here based on the present combination of rich valuations, overbought conditions, overbullish sentiment, and hostile yield pressures.
QIC's potential investment also comes as pressure builds on superannuation funds to look at competing with the wave of foreign pension funds that have spent more than $ 1 billion buying farm land in Australia in the past few years.
Four linemen have at least three sacks each, led by senior Carlos Watkins (4.5), as coordinator Brent Venables throws pressure in waves.
Over the course of the season, the teams that have had the most success against them have sent wave after wave of pressure at their back line.
There is a commercial pressure that necessitates these tours to drive a new wave of overseas support.Chelsea are well supported in the United States and have active supporters groups across the country that proudly display their flags at Stamford Bridge.
After that, it was relentless pressure from City as wave after wave of sky blue kept hitting the Reds, but much like the second half at Anfield, the rearguard stood firm for the large part.
I stayed at home until about 9:30 am when the pressure waves were getting pretty close and then we made our way to the birth center.
At about 7 pm the pressure waves were erratic and the frustration was building.
A natural Hypnobabies birth at Athens Regional Hospital My water broke at around 2:30 pm on Saturday and I waited until pressure waves set in before calling my doula, Nicole, at around 8 pm.
To do this massage it is okay to massage in the normal manner, but it seems to be more effective to apply pressure with your palm by pushing inward on the milk duct blockage, then, while pushing into your breast with your palm, roll your hand down (keep the pressure on your palm and push down with your fingers in a wave motion so that at the end your entire hand is applying pressure) onto your breast so that the pressure is pushing the plugged duct towards your nipple.
In the cold Philadelphia warehouse, Appel waves a long arm at the apparatus, which looks surprisingly low tech: a tangle of pressure vessels, pipes, valves, and heat exchangers terminating in storage tanks.
Waves of light or sound fired at an object tend to bounce off its surface like raindrops on an umbrella, collectively exerting a subtle nudge called radiation pressure that pushes the object away.
When a moderately strong bolt of cyber lightning struck the virtual rock, it created pressure waves that peaked at about 70,000 atmospheres, well into the range needed to produce shocked quartz, the researchers report this month in Geophysical Research Letters.
The size of the acoustic scale at 13.7996 billion years ago has been exquisitely determined from observations of the cosmic microwave background from the light emitted when the pressure waves became frozen.
Now 6 years into her postdoctoral research, Alireza is beginning to make waves in the physics community with her experiments on the effects of high pressure at a quantum level.
Earlier attempts by other researchers often approximated the physics of wave propagation and focused mainly on the arrival times of only certain types of seismic waves, such as the P (pressure) and S (shear) waves, which travel at different speeds.
The distinctive waves with capped tops and cloudless troughs are created by what's known as velocity shear, which occurs when a fluid or two different fluids — wind and water, for example — interact at different speeds to create differing pressures at the back and front ends of the wave.
There are four types of blast trauma injury: 1) primary injury caused directly by the pressure wave, which can travel through tissue at velocities close to that of sound in water, 2) secondary injury caused by objects put in motion by the blast, 3) tertiary injury caused by an individual thrown into motion by the blast and hitting surrounding objects, and 4) quaternary injury caused by burns, explosion - related injuries, illnesses and diseases not attributed to the other three blast trauma types.
Those waves, in turn, led to the formation at midlatitudes of high - pressure systems, or «ridges.»
Of the 192 lasers at NIF, the team used 176 with exquisitely shaped energy versus time to produce a pressure wave that compressed the material for a short period of time.
That disturbance produces waves of high and low pressure traveling at about 760 miles per hour, which we experience as sound.
Mr van der Zanden used a range of instruments to measure the concentration and speed of sand particles in the water, he also examined changes in the underlying sand layer, and measured the water pressure at various points in the wave flume.
If the sound is loud enough and at the right frequency, the pressure at the trough of the wave will be so low that the fluid will boil, producing microscopic bubbles.
When the high pressure front at the crest of the sound wave slams into these bubbles, they implode, and shock waves focus the energy of the implosion to a central region of atomic dimensions.
Konrad Wiese, a zoologist at the University of Hamburg, thinks he's figured out how krill keep in touch: their tiny antennae pick up pressure waves from their neighbors.
The researchers wanted to determine if the fish could sense sound pressure waves underwater, so they filled a long metal tube with water and placed a loudspeaker at one end.
To test this idea, the team used sophisticated tools at Argonne National Laboratory to examine the propagation of seismic waves through samples of iron peroxide that were created under deep - Earth - mimicking pressure and temperature conditions employing a laser - heated diamond anvil cell.
In a new article, Daniel Grushkin, a fellow with the Synthetic Biology Project, looks at the financial pressures facing the first wave of community labs.
Recently developed, in - situ techniques for direct volume determination, acoustic wave velocity measurements, and x-ray diffraction at HPCAT, along with molecular dynamics simulations, were employed to explore the nature of the unusual and pressure - tunable, compression and elastic properties.
Whilst Baby Boomers waved Give Peace A Chance placards and Generation Xers philosophized about world hunger whilst watching The Breakfast Club, Millennials found themselves reared on rapid - fire Internet connections, waving handhelds, pressured to succeed academically and at work, wrapped up in a world of virtual relationships via social networking, and with little time for a real social life.
That surprise reversal can be attributed to at least four factors: a wave of new research on teacher quality, philanthropic interest in boosting teacher effectiveness, efforts by advocacy groups and policymakers to revamp state laws on evaluation, and political pressure to dismiss poorly performing teachers.
A tuned exhaust system is an exhaust system for an internal combustion engine which improves its efficiency by using precise geometry to reflect the pressure waves from the exhaust valve or port back to the valve or port at a particular time in the cycle.
The volume of the plenum and the length of inlet passages are both tuned to maximize the resonance effect, wherein pressure waves are amplified within each half of the intake manifold at certain rpm ranges.
In addition, it includes a pulse convertor exhaust that works by using pressure waves to enhance the torque at lower engine speeds.
And it has dual variable valve timing while the next - generation turbocharger optimises the use of exhaust pressure waves to increase torque at low speeds.
Located by the Kata / Karon administrative offices at Kata Beach, Surf House is centered on a high - pressure wave - generating machine that throws a four - inch - deep sheet of water up a sloping «pool».
Brian McNoldy, a meteorologist at Colorado State University who maintains a useful Web site on tropical storms in the Atlantic Ocean, has distributed an alert about a particularly noteworthy wave of low pressure moving west from Africa that appears likely to become a hurricane within a week.
Air pressure changes, allergies increase, Alps melting, anxiety, aggressive polar bears, algal blooms, Asthma, avalanches, billions of deaths, blackbirds stop singing, blizzards, blue mussels return, boredom, budget increases, building season extension, bushfires, business opportunities, business risks, butterflies move north, cannibalistic polar bears, cardiac arrest, Cholera, civil unrest, cloud increase, cloud stripping, methane emissions from plants, cold spells (Australia), computer models, conferences, coral bleaching, coral reefs grow, coral reefs shrink, cold spells, crumbling roads, buildings and sewage systems, damages equivalent to $ 200 billion, Dengue hemorrhagic fever, dermatitis, desert advance, desert life threatened, desert retreat, destruction of the environment, diarrhoea, disappearance of coastal cities, disaster for wine industry (US), Dolomites collapse, drought, drowning people, drowning polar bears, ducks and geese decline, dust bowl in the corn belt, early spring, earlier pollen season, earthquakes, Earth light dimming, Earth slowing down, Earth spinning out of control, Earth wobbling, El Nià ± o intensification, erosion, emerging infections, encephalitis,, Everest shrinking, evolution accelerating, expansion of university climate groups, extinctions (ladybirds, pandas, pikas, polar bears, gorillas, whales, frogs, toads, turtles, orang - utan, elephants, tigers, plants, salmon, trout, wild flowers, woodlice, penguins, a million species, half of all animal and plant species), experts muzzled, extreme changes to California, famine, farmers go under, figurehead sacked, fish catches drop, fish catches rise, fish stocks decline, five million illnesses, floods, Florida economic decline, food poisoning, footpath erosion, forest decline, forest expansion, frosts, fungi invasion, Garden of Eden wilts, glacial retreat, glacial growth, global cooling, glowing clouds, Gore omnipresence, Great Lakes drop, greening of the North, Gulf Stream failure, Hantavirus pulmonary syndrome, harvest increase, harvest shrinkage, hay fever epidemic, heat waves, hibernation ends too soon, hibernation ends too late, human fertility reduced, human health improvement, hurricanes, hydropower problems, hyperthermia deaths, ice sheet growth, ice sheet shrinkage, inclement weather, Inuit displacement, insurance premium rises, invasion of midges, islands sinking, itchier poison ivy, jellyfish explosion, Kew Gardens taxed, krill decline, landslides, landslides of ice at 140 mph, lawsuits increase, lawyers» income increased (surprise surprise!)
«The ionosphere (according to the understanding at that time) that part of the atmosphere between 65 and 80 km and 280 - 320 km height, will be disrupted by mechanical forces caused by the pressure wave following the explosion.
In 1939, Carl - Gustaf Arvid Rossby, a Swedish - born America meteorologist, discovered waves in the northern jet stream that were associated with the high and low pressure systems at ground level that form daily weather patterns.
Therefore it seems clear that all the effects of pressure waves average out effectively and what's left is the increase in pressure that results from drag forces on droplets at altitudes above the point of observation.
ENSO is of course not a sloshing but at the very least a binary system involving atmospheric circulation in the central Pacific and Kelvin and Rossby waves — all stochastically forced by wind, pressure and current fields.
A broad low pressure system that slammed the mid-Atlantic and Northeastern U.S. this weekend with flooding, massive waves, and wind gusts of up to 93 mph was still hurling rough seas and storm tides at the U.S. East Coast on Monday.
CMBS loans help improve liquidity in the capital markets and relieve the pressure on other financing sources, especially at a time when the industry is facing a wave of maturing debt.
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