Sentences with phrase «in air density»

The upshot of the differences in air density that manifest between 400 hPa and 50 hPa is fast displacement of low density air that travels to the top of the atmosphere in a cone that surrounds the very cold dense descending air from the mesosphere.

3 Affecting Surface Currents Wind — Caused by the uneven heating of the atmosphere, variations in wind temperature lead to variations in air density and pressure.

How can the ideal gas law predict a trivial change in temperature (due to the change in air density by substituting CO2 for oxygen) when the GCMs predict global warming of 4 to 11 degrees?

Not exact matches

However, it ranks fifth for having the most deaths per capita due to air pollution, in part because if its high population density.

«Cuberg's battery technology has some of the highest energy density we've seen in the marketplace, and its unique chemistries could prove to be a safe, stable solution for future electric air transportation,» said Steve Nordlund, vice president of Boeing HorizonX.

However, the lower air density at Coors Field leads to a reduction in the Magnus force and therefore less break on certain pitchers including the curveball.

Warm weather and lower air density have clearly led to high - scoring games and profitable returns for over bettors, but I believed this edge would be magnified in late season games due to pitcher fatigue.

You may already know that high altitudes create lower air density, but you may not realize the full impact of the mile - high air in Denver.

Although baseballs move quicker in Coors Field, the air density can have an extremely detrimental impact on breaking balls.

When the sides of the bottle are squeezed, the pressure on the air bubble increases making it compress into a smaller space, causing the air bubble to increase in density, so it is more dense than the water and so sinks.

The Maxi Air Cool topper helps draw moisture away from the skin helping to keep baby cool to prevent them from overheating Includes waterproof gliding mattress protector / sleeve The core of the mattress is mini bonnell Spring units encased in a high density foam material to offer maximum support and durability Zip off cover which can easily be removed and replaced for washing 5» Super thick Excellent hygiene, and hypo - allergenic properties.

Light bends anytime it passes through air, but when the air temperature varies dramatically over a short distance, causing it to have great fluctuations in density, it can bend light so much that a mirage occurs.

That density depends upon the temperature of the Ps, but it is likely to be in the range of 1018 Ps atoms per cubic centimeter, which is about 3 % of the density of ordinary air.

In particular, the metal - air batteries with significantly greater energy density close to that of gasoline per kilogram, has recently been acknowledged and invested by world's leading companies, like IBM.

In the case of Scottsbluff, Vatistas and his team found that the temperature inside the tornado would have dropped from a comfortably warm background temperature of 27o C to a chilly 12o C. And at the tornado's centre, the researchers estimated the air density would have been 20 per cent lower than what's found at high altitudes.

Particularly, the OER performance was about 9 times higher than that of state - of - the - art precious metal oxide IrO2 at overpotential of 0.3 V. Furthermore, it also demonstrated notable charge - discharge stability even at high current density in Zn - air batteries.

According to this new analysis, school - age children accelerated the spread of the pandemic, which was transmitted over short distances, in contrast with widespread reports at the time linking the pandemic to international air travel and population density.

Their signature can be detected in the upper atmosphere as either fluctuations in air pressure or as electron density disruptions.

Travelling between the stars for a hundred light years or so, we would find ourselves moving between regions where the density of gas changes a millionfold — more extreme than the difference between air and water — and with changes in temperature from just a few degrees above absolute zero to over a million degrees.

Fires can pulsate, jump and swing with the wind Flames from wildfires are very low density, so they expand and rise like a hot air balloon, Finney added, but they don't rise in a steady fashion, instead pulsating and forming circulations affected by the wind.

«The air conditioner is working in this small room with the door closed, so we are speculating that there is a very high density of virus particles in the air.»

«So I would say that densities, too, are up in the air,» Brown says.

Perlan's backers hope that it can surpass 27,000 metres in 2017 — and, ultimately, they intend another version of the glider to fly higher than 30,000 metres, where the air density is almost identical to that on Mars's surface.

Because of this, and the lower density of air in the stratosphere, he says, «stratospheric emissions generally cause larger perturbations» and so cause more concern.

If you put a fish in air, however, the difference in the density of the air and tissue is so great that sound waves will mostly be reflected.

The team noticed a greater density of lightning in locations where ships blast emissions, including sulfur and nitrogen oxides, into the air.

By measuring the size of the largest raindrop imprints (inset) in ash that solidified soon after an eruption 2.7 billion years ago (pocked slab, main image) and comparing them to the imprints made by drops of various sizes and momentums in lab tests, the team estimates that the density of Earth's oxygen - free atmosphere 2.7 billion years ago most likely ranged between 50 % and 108 % of today's air and was certainly less than twice its modern density — a thickness insufficient to offset the dimness of the sun at the time.

Expected increases in extreme heat and drought events will bring changes in precipitation, air and water temperatures, air density and humidity, write Matthew Bartos and Mikhail Chester in the current issue of the research journal Nature Climate Change.

Traffic - related air pollution may increase cardiovascular disease risk by lowering levels of high - density lipoprotein (HDL), commonly known as «good» cholesterol, according to new research in the American Heart Association's journal Arteriosclerosis, Thrombosis, and Vascular Biology.

The collaboration will study fusion in a relatively unexplored intermediate density regime between the lower - than - air density of magnetic confinement fusion (MCF) that is studied at the ITER project in southern France, and the greater - than - solid density of laser - driven inertial confinement fusion (ICF) at the National Ignition Facility at Lawrence Livermore National Laboratory.

First, participants sit in a small machine, like this â $ BOD Pod.â $ Then, by measuring how much air is displaced by the individual, technicians can determine body density.

A primal approach can help achieve quality sleep as proper nutrition (reduced sugar, reduced chemical additives, reduced fillers, and increased nutrient density), outside play (small natural doses of vitamin D, exercise, imaginative play and reduced time with electronics), clean air (less household toxins and fewer chemicals to breathe in), and love and support all positively influence your child's ability to sleep well.

Environmental factors such as building age, heating, lighting, air quality, noise, use of colour, type of furnishings, room layout and density have all been associated with significant, measurable changes in student attainment and performance and in influencing student morale, values, aspirations and expectations.

Grotzer, T.A., Houghton, C.A., Basca, B., Mittlefehldt, S. Lincoln, R., & MacGillivray, D. Causal patterns in density: Lessons to infuse into air pressure units.

Whilst technically a car has more power in colder air because the relative density of colder air is greater and therefore contains more oxygen than warm air, it should not cause the behavior you describe.

In view of the low density of the intake air at loads below supercharging level and when coasting, its rotors are free - running and the amount of power required to drive them is low.

This new combustion method does not merely use spark ignition to assist compression ignition, but delivers an all - encompassing combustion control system which includes control of in - cylinder temperature and pressure and control of the fuel injection's air - fuel mixture distribution density and exhaust gas recirculation (EGR).

Two sophisticated air - to - water intercoolers cool the compressed air coming from each of the turbochargers in order to maximize the density of the intake charge.

In international route developments, United will start using high - density 777s on some Europe routes; Delta aims to make things smoother for transborder flyers with a new partnership; Qantas kicks off its 787 - 9 service to LAX next week; Air China begins a new LAX route; Air Canada adds another Australian destination; and Aeromexico tacks on an -LSB-...]

Is this density of visual incident at odds with these sculptures» modest — indeed domestic — scale, or is it only natural in an era in which that most commonplace of objects, the smartphone, seems to suck a whole universe of information out of thin air?

Ode to Santos - Dumont offers a palpable and emotional expression of the density of air, gravity, and energy required to move about the Earth, as well as the human achievement that sets it in motion.

The relationship between Scully's painted bands in the Landline series therefore becomes one not just of colour, texture and form, but of weight and density — the material qualities of air, water and land become evident in his work.

(Do the physics on how much energy it takes to compress air to a very high energy density, how much you lose in heating the air and how much of that heat is lost in the storage itself, how much you use when air rushes through a turbine like water, but unlike water running down hill whose speed / pressure stays the same, the compressed air loses force continually.

Thirdly, the ideal gas law is of course relevant but in the presence of external sources / sinks of heat is used mainly to determine the density of the air at any point given the temperature and pressure.]

I would assume that the net change in density of the air in PV = nRT, — ie a net loss of ~ 2ppm / yr of O2, has either a slightly negative or neutral impact on the temperature.

where rho is the density of air, g is the acceleration due to gravity, dp is a differential change is pressure and dz is the change in height.

ie does a slightly lower density of air mean a slightly lower ground level temperature (temperature normally decreases with height at the lower air density), so that in reality adding CO2 and subtracting more O2 actually causes miniscule or trivial global COOLING, and the (unused) ability of the changed atmosphere to absorb radiation energy and transmit it to the rest of the air is overruled or limited by the ideal gas law?

In 2003 he created the image above, illustrating the volume of the world's oceans and atmosphere (if the air were all at sea - level density) by rendering them as spheres sitting next to the Earth instead of spread out over its surface.

But now these machines are striking back, making air ex-tremely polluted in high - density cities.

regardless of individual constituents (limited by density changes) Because, in all the transport processes the energy can move between transport mechanisms in the air by molecular collisions every few centimeters.