Recent content by lesy1

Is that correct?

The specimen A diffuses from the side of the membrane with the concentration cA (side 1) to the other side (side 2) and specimen B diffuses in the opposite direction. Because the temperature at the side 1 is TA and the temperature at the side 2 is TB is heat flux in both directions...

Imagine a wall (membrane). Concentration of a specimen A on one side of the wall is cA and it has the temperature TA. The concentration of a specimen B on another side of the wall is cB and it has the temperature TB. Specimen A nad B diffuse against each other (assume steady state). Can somebody...

Does there exist any liquid which would change the evaporation speed as a function of air pressure?

Imagine a water basin, surrounded by air. How does evaporation speed of water change if the air pressure of surrounding air is 1.000Pa, 10.000Pa, 100.000Pa, 1.000.000Pa, 10.000.000Pa. What is an order of magnite of the evaporation speed change. Where can I read more about that? Regards.

Hi, I am doing an experiment. I am heating a sample and changing a temperature on one surface of the sample as a sine function of time. Measuring heat flux I am trying to predict heat response of the sample. After some sine cycles heat response is in every next sine cycle the same. How do you...

Hi, Does anyone know what ablimation is? Is it the same as sublimation? Regards

I would like to calculate a diffusion of water vapor in stagnant air. Does anybody know if it is a case of equimolar or nonequimolar diffusion. How one could calculate a diffusion in my case? Which variables is diffusion coefficient dependent on?

Redbelly, Y, I am sure that ideal gas law could be used if humidity of air would be low, but because I have air with 100% relative humidity, something says to me, that I cannot use ideal gas law in this case.

Jeff, thank you for the answer, although I did not find out anything new. The quantity I am looking for is also called saturation vapor density, but I cannot find any suitable model to calculate it. Can anybody please comment validity of using ideal gas law in my case. Regards

Hi, I would like to know if somebod knows where I could find a corelation to calculate the quantity of water in air at saturation in g/m3. I know that many equations exist to calculate saturation pressure of water vapor in air as a function of temperature. Using one of these equations and an...