Sentences with phrase «say air density»

They say air density was probably no greater than 1.3 kilograms per cubic metre — comparable to today's 1.2 kg / m3 (Nature, DOI: 10.1038 / nature10890).

Not exact matches

«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.

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

«With ample supply of oxygen from the atmosphere, metal - air batteries have drastically higher theoretical energy density than either traditional aqueous batteries or lithium - ion batteries,» he said.

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.

Even the ideal gas law says that adding CO2 does NOT significantly change the air density or the temperature.

So the liquid nitrogen will form into air - the 1.2 times 100 ton is 120 cubic meter time say 500 - which is air 60,000 cubic meter air near it's boiling point at density of 4.614 kg / m3.

For example, let's say that evidence convinced me (in a way that I wasn't convinced previously) that all recent changes in land surface temperatures and sea surface temperatures and atmospheric temperatures and deep sea temperatures and sea ice extent and sea ice volume and sea ice density and moisture content in the air and cloud coverage and rainfall and measures of extreme weather were all directly tied to internal natural variability, and that I can now see that as the result of a statistical modeling of the trends as associated with natural phenomena.

This may be me advertising my ignorance but if the OHC is of interest as against the SST why do we use a parameter of «global temperature» which is an amalgam of SST and air temperature over land rather than a total heat content or a temperature normalised say for mass or thermal density (normalise to the properties of water say)?

Considering the different density of air, would you be so kind an calculate (a rough estimate is ok) how much cooler the upper part would have to be to compensate for say a 1 °C warming of the surface?

But perhaps that isn't good example, as one could also say it's due to the low density of air - the lack of buoyancy, which is also sort of saying the lack of gravity affecting it much.

captaindallas, not sure if you understood what I said, but basically if you heat air by 1 %, its volume increases by 1 % at constant pressure redcuing the density.

That said, with some simple estimates (length for one) and some well - determined parameters for air (viscosity, and density) the Reynolds number is easily determined.

Conceptually wise, it may be a mistake to say that when GW takes effect the air will be drier, but rather water vapour density increases with temperature and relative humidity will drop accordingly, it is perhaps this is what the models are calculating.

A recent advertisement from Amazon, mocks iPad Air, saying its Kindle Fire HDX 8.9 tablet has better screen (higher pixel density), weighs less, and of course, is cheaper (by $ 110).