A type of stress exerted uniformly in all directions. Its measure is the force exerted per unit area. (McGraw-Hill Dictionary of Scientific and... | Contact experts in Pressure to get answers
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Questions related to Pressure
We use reactive sputtering process to make aluminum nitride film, and want to make c-axis aluminum nitride film on a silicon substrate, but the crystal orientation cannot be seen with...
04 March 2021 8,281 3 View
When I conducted the degassing experiment using decompression under anaerobic condition(and I used ferrous based chelating agent), the oxidized ferric were observerd. So, could you tell me the...
04 March 2021 5,190 5 View
Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...
03 March 2021 5,270 3 View
I am simulating Heat Exchanger. I have tried and tested all the methods to resolve this issue from the internet like refining mesh, improving skewness and orthogonal quality ,extending outlet to...
02 March 2021 7,552 3 View
Hi Guys. I'm a mechanical engineer and have a bit trouble, would be very glad if you could help me with my questions. I have a pressurized tank which contains Natural Gas at 200 Bar and 293...
27 February 2021 6,523 3 View
Has anyone ever tried to deliver CO2 with a CGA 300 regulator? I know that a CGA 320 regulator is standard for CO2. The issue is that I currently do not have any free CGA 320 regulators. I also...
26 February 2021 3,560 3 View
I have a pipe with 10 mm in Diameter and 2 bar pressure, the fluid velocity is 200 m/s, the fluid is air. is there a way to reduce velocity without affecting the pressure value?
26 February 2021 7,378 3 View
Hello, I have a question. there is a circular thin foil which vibrates in vacuum, the foil restricted and moves up and down. it is like a diaphragm between two pipes . both sides are in vacuum but...
19 February 2021 8,287 3 View
I am designing a riser pipe for use in ocean down to depths of 5km. Polymetallic nodules are pumped from the seabed to the surface. For my FEA and CFD analyses I need to input a maximum pressure...
07 February 2021 2,953 3 View
For pressure loss calculation for two phase fluid flow these two methods are considered in the literature for determining frictional pressure drop . 𝜆: Darcy’s friction factor 𝜆 = 0.184 / Re ^...
05 February 2021 6,369 3 View
At an opening in turbulent flow, using wall boundary condition, with constant flow rate and constant pressure inlet, would be similar to an opening with inflow BC?
04 February 2021 2,494 5 View
I have a PDMS microfluidic device that I want to perfuse cells through (there are also adherent cells in the channels). Is there any difference if I use a syringe pump to push the cells through...
31 January 2021 4,224 3 View
After opening a valve and releasing some gas, it makes sense that pressure in the chamber decreases, but I don't understand why the pressure starts increasing again after a while instead of...
28 January 2021 8,355 4 View
We have carried out high-pressure Raman characterization on some of our samples. After fitting, I have observed a change in D-peak position with increasing pressure. What does this change...
21 January 2021 1,002 3 View
I was reading a reference (Reitz-A Photographic Study of Flash Boiling Atomization). In his experiment, his boundary condition is delta p and constant velocity. The liquid injection pressure was...
19 January 2021 1,002 9 View
I am working on a project on biomedical instrumentation. So, in the data samples we have only taken five different values of pressure and corresponding to that we have measured around 80 values...
09 January 2021 1,995 3 View
What are the causes of low pressure in human body?
29 December 2020 8,332 23 View
What are the effect of low pressure in human body?
29 December 2020 1,000 6 View
How to create a varying pressure load in the Abaqus as in the picture? I have an idea how to create a constant load, but I don't know how to do this type.
26 December 2020 7,759 3 View
Hello I recently am suffering calculation of temperature change resulted from the Joule-Thomson effect when propylene gas at 35 oC at 2 bar passes through a membrane to vacuum pressure (~ 0 bar)...
24 December 2020 4,264 2 View
I am exploring for the design code or manual and standard drawings of access and maintenance manholes of the storm water conveying tunnels. (i.e free flow tunnels not pressurized ones) but all of...
23 December 2020 2,781 4 View
Is there any way to calibrate transducer without needle hydrophone? Also any one know low cost hydrophone as precision acoustic is quite costly.
17 December 2020 1,182 2 View
I have an ordinary vascular system, where I know the inlet condition of pressure on the system and value of flowrate through each outlet. Based on these two pieces of information I need to...
17 December 2020 1,670 1 View
I need to add a latent heat flux of evaporation to the hot side boundary, which is a function of the pressure difference between the cold side and the hot side boundary.However, the pressure at...
17 December 2020 10,003 1 View