Hi All Expert.... I have a question need help. I have a part with internal volumme 24.5mm^3 at enviroment pressure 1.01325bar. When I feed it with 1.14bar (nitrogen)...with a inlet Dia. 0.05mm How can I calculate the pressurization time for the internally volumme up to 1.12bar assume the initial condition at 1.01325bar & 20°C I try to use solidworkd CFD to do simulation, and the result show is 0.36msec And in actual, the part take update to 20msec Thanks in advance for all the help.