What are the requirements for instruments used to measure the flow rate of supercritical fluids?
Thread Content
This post was last edited by zhouwensmile on 2016-1-26 09:42. I would like to ask the more experienced colleagues: I need to measure the flow rate of supercritical fluids. Are there any particular things to keep in mind when choosing instruments for this purpose? Which gauge would be a good choice? Differential pressure type or something else? Pressure: 8 MPa–17 MPa. Temperature: 32–40 degrees Celsius (in summer), 7–20 degrees Celsius (in winter). reward_7ree
A supercritical fluid (English: Supercritical fluid, SCF) is a state of matter in which, when the temperature and pressure exceed the critical values, the properties of gas and liquid become similar to each other, resulting in a fluid state that is uniform. Supercritical fluids possess compressibility similar to that of gases, allowing them to flow in a gaseous manner; at the same time, they have fluidity akin to that of liquids, with densities generally ranging from 0.1 to 1.0 g/ml. It has a very special property: it has a density similar to that of a liquid, but a viscosity similar to that of a gas. Moreover, temperature and pressure have a significant impact on its physical properties.
I have never seen such a medium before; I’m really interested in trying this special medium. If you don’t mind, add me on QQ – we can provide you with a test sheet, and there’s no cost if the results aren’t good
Leave it to a professional company, especially a large one, to help you choose the right option.
To be honest, the task assigned to me was to select a suitable option (I’m just a student and indeed lack experience)
I’m a student; I’m just doing research on product selection in this area
If someone gives it to you, you can also pass it on to the manufacturers. There are always manufacturers who are interested in you; maybe it will be a beautiful woman who gets in touch with you. By then, who you choose remains to be seen!
Looking at the definition, both temperature and pressure are quite high; specific operating conditions are needed to make a selection
Pressure: 8 MPa–17 MPa. Temperature: 32–40 degrees Celsius (in summer), 7–20 degrees Celsius (in winter). Is this information sufficient?