Calculate the speed with which a gas escapes from a container?

AI Thread Summary
To calculate the speed of helium escaping from container A at 2 atm, the ideal gas law and Bernoulli's equation can be applied, along with the equation for effusion or orifice flow. The speed of gas flow is influenced by the pressure difference between the two containers, with higher pressure leading to greater flow rates. If both containers had the same pressure, the flow rate would be significantly reduced, as there would be no pressure gradient to drive the gas out. The mass flow rate can be determined by multiplying the volumetric flow rate by the specific gravity of helium. Understanding these principles is essential for designing an effective release valve for the helium container.
Rodrigoson6
Messages
13
Reaction score
0
Hi guys, (I apologize if I'm wrong here, and I apologize for my bad English but I'm Italian): if I have two container, where: container "A" (there is "He" with a pressure of 2 atm); container "B" (remember "O2" with a pressure of 1 atm). 1) you tell me which formula to use to calculate the speed with which the helium flows out from the container "A" ?? 2) if the two containers had the same pressure? P. S. : In fact I have to build a container (with helium inside). There will be a valve that will release the helium from the container. I have to calculate the mass flow rate (volumetric flow * specific gravity helium). But I do not know the speed, that 's why I am asking this. thanks so much
 
Physics news on Phys.org
Thanks for the post! Sorry you aren't generating responses at the moment. Do you have any further information, come to any new conclusions or is it possible to reword the post?
 
The rope is tied into the person (the load of 200 pounds) and the rope goes up from the person to a fixed pulley and back down to his hands. He hauls the rope to suspend himself in the air. What is the mechanical advantage of the system? The person will indeed only have to lift half of his body weight (roughly 100 pounds) because he now lessened the load by that same amount. This APPEARS to be a 2:1 because he can hold himself with half the force, but my question is: is that mechanical...
Some physics textbook writer told me that Newton's first law applies only on bodies that feel no interactions at all. He said that if a body is on rest or moves in constant velocity, there is no external force acting on it. But I have heard another form of the law that says the net force acting on a body must be zero. This means there is interactions involved after all. So which one is correct?
Thread 'Beam on an inclined plane'
Hello! I have a question regarding a beam on an inclined plane. I was considering a beam resting on two supports attached to an inclined plane. I was almost sure that the lower support must be more loaded. My imagination about this problem is shown in the picture below. Here is how I wrote the condition of equilibrium forces: $$ \begin{cases} F_{g\parallel}=F_{t1}+F_{t2}, \\ F_{g\perp}=F_{r1}+F_{r2} \end{cases}. $$ On the other hand...
Back
Top