Ivan Nepomnyashchikh

5 Questions 18 Answers 0 Followers

Questions related from Ivan Nepomnyashchikh

How to prevent lumping of fluorescent polystyrene PIV particles in water?

Hello dear RG community. I'm doing PIV in water with red fluorescent 8 micron polystyrene PIV particles (Fischer catalog number 36-3B https://www.thermofisher.com/order/catalog/product/36-3B). I...

27 January 2023 6,887 2 View

How to mitigate camera's error resulting in a nonuniformly lit and less bright first image in a PIV pair of images?

Hello dear RG community. I have a Dantec PIV setup consisting of, in particular, an iNanoSense camera and a SoloPIV 120 NewWave Research laser. I'm getting the first image less bright and...

02 January 2023 2,007 6 View

How to calculate uncertainty of signal acquisition with NI USB-6009 DAQ board?

Hello dear RG community. I'm acquiring signal from pressure transducers and a turbine flow meter with NI USB-6009 DAQ board. I'm not sure how calculate the accuracy of the DAQ board. I've been...

10 November 2022 913 1 View

How to extract data from only one time step generated in OpenFOAM?

Hello dear RG community. I ran a transient case in OpenFOAM. I got a lot of subfolders for each time step. Then I type paraFoam and it loads all the time steps. It takes about 20 minutes to load...

28 September 2021 5,665 5 View

Is there an open source software to run a laser for particle image velocimetry?

Hello dear RG community. I'm wondering if there is an open source software to run a PIV laser. I know about OpenPIV, but that thing only post-processes the images. I can't wrap my head around...

24 September 2021 5,268 10 View