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Thank you for the answers. What I'd like to do is basically a jet pump where both motive and secondary flow would be air. The device would be mounted on an airplane where the secondary flow inlet is facing to the ground. I just need something to understand the initial calculations, especially...

Hi! I'd like to design an air particle pollution sensing interface prototype, mounted on an aircraft. If the aircraft's velocity, the inlet and outlet diameter of the hole is known, how can I calculate the airflow's velocity through the hole? Thanks in advance. sgergo

Thanks for all the input. @unclesyd Tedlar seems to be a good idea. However, I'm afraid it could be problematic to cut and fit a Tedlar layer between the gold and the cell. The dimensions of the milled channel: 12x1x0.5 (mm). Anyway, I'll check this idea. @Mike The pressure is not an issue...

Hi Mike, thank you for taking the time to reply. I uploaded a simple sketch of the system here: http://tinyurl.com/2e2cf5 The problem with gasket is that every time I remove the flowcell, the soft plastic gasket rips off the gold layer (~50 nm thick). There is no electricity here, only a...

Hello to all, please excuse me if I post at the wrong forum but I feel that my problem is somehow related with fluid mechanics. Also apologies for the poor technical language, my native language is Hungarian. I'm in the designing phase of a flowcell whose primary role is to make surface...

THX! The WAVE geometry linker did the job. Thank you guys! G.

Hello to all, I've got an assembly with 3 parts attached to a "main" one. I would like to project some features (lines, edges etc.) from a subpart onto one surface of the main part. The project curve function only can deal inside the working part (afaik). I couldn't find any solution in the...

Hi to all, I am working on a coupled thermal/flow model of simple system and I've tried to solve it with NX4. Basically, it was a PTFE tube with a fluid flowing in it. I've modeled the system in the Modeling app. and started Adv. Simulation with only the Flow simulation. I 3d meshed the fluid...

Hello everybody, I am working on a coupled thermal/flow model of simple system and I've tried to solve it with NX4. Basically, it was a PTFE tube with a fluid flowing in it. I've modeled the system in the Modeling app. and started Adv. Simulation with only the Flow simulation. I 3d meshed the...