In fluid mechanics, the Rayleigh number (Ra) for a fluid is a dimensionless number associated with buoyancy driven flow (also known as free convection or natural convection).

He speaks French fluently.

FluidBalls

He is fluent in French.

He is fluent in Chinese.

I've analyzed the liquid.

Are you fluent in French?

It can be thought of as a measure of the relative importance of the fluid's inertia compared to its surface tension.

Only the egg of the parasite will be inserted into the body fluids of the aphid.

My dream is to be fluent in Chinese.

My dream is to be fluent in Chinese.

The Executive Directors of the IMF congratulated the euro area authorities for the successful and smooth euro cash changeover .

TB Many people after a kidney transplant will develop a little fluid collection around the kidney.

Marika is Finnish, but she is fluent in German.

Do you consider yourself a fluent French speaker?

TARGET functioned smoothly and successfully in 2003 , and continued its trend of settling increasingly more large value euro payments in line with the Eurosystem 's policy objective to promote settlement in central bank money .

You dip in a corner. The fluid goes into the center.

This sticky liquid can be substituted for glue.

I don't speak English as fluidly as Naomi does.

We made good time since the traffic was light.

Investment has flowed in the opposite direction, from capital rich to capital poor countries, as economic theory would predict.

We want to hire someone who can speak French fluently.

She became fluent in English after about a year.

Be careful, electricity is cut off in Chosica.

SCHODRUCH like to help to bring the sitting to a conclusion.

Several letters from the different parties involved have gone back and forth, arguing their cases.

It's more efficient because we can now create all these cavities within the object that cool fluid.

The fluid wicks its way into those chambers at the top.

And the fluid will flow from one layer into the next.

The text is deemed as fluent in the target language.

This is a microfluidic chip that I developed.

This volatility highlights the challenges of ensuring a smooth process of financial liberalization in China.

In this fluid environment, large companies must be cautious before making large, long term commitments.

And you know, it's just one of the great things about being a musician, is that it is so unbelievably fluid.

The most effective means for the propagation of Esperanto is the fluent and elegant use of this language.

When these shears reach sufficient magnitude, they can eat into stratified fluid.

Now we re talking about something much more fluid, more subtle a transition.

The Emberá people carefully expose the frog to the heat of a fire, and the frog exudes small amounts of poisonous fluid.

Blood is the fluid responsible for the circulation of nutrients.

So what I plan to do with this technology is to actually take the current state of the technology and build an HIV kit in a microfluidic system.

In addition to the measures already in place , the Eurosystem continues to discuss further aspects of the cash cycle with the objective of ensuring a smooth and efficient supply of cash and maintaining the integrity of the euro banknotes .

The magnetic Reynolds number is related to the magnetic field in an MHD flow, while the Reynolds number is related to the fluid velocity itself, and the Péclet number a related to heat.

So, with one microfluidic chip, which is the size of an iPhone, you can actually diagnose 100 patients at the same time.

The tips of arrows and darts are soaked in the fluid, and keep their deadly effect for over two years.

They are defined bywhere formula_1 is the average rate of dissipation of turbulence kinetic energy per unit mass, and formula_2 is the kinematic viscosity of the fluid.