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Thank you.

Thanks for replying. First to Yallapragada1022, that link doesn't work for me. Second to EdStainless, let me further explain my problem. I am using a thermal hydraulics program that requires surface roughness for piping materials, or any metal surfaces over which fluid my flow. We are using...

Hi, Could someone tell me (or point me at a resource or standard) that can identify the difference between surface roughness measurements Ra and AA (Average Roughness). I have values in both scales, and need to compare them for a model I am building.

Hi, I am currently modelling a heavy oil system that uses a Return Flow atomizer. Basically a pump is used to pump oil to a gun. At the tip of the gun, the oil is swirled and either discharged through an orifice into the burner, or returned through an opening back to the pump inlet. Pump...

Hi, I am building a computer simulation of a forced circulation boiler, and have a few questions. Can someone explain the purpose of circulating pump injection water? Is it for sealing the pump? It appears that some of the injection water bleeds/leaks into the circulating water ... is this...

Hi, I am doing a dynamic simulation of a fan for a power plant simulator and am trying to calculate the required power at a dead head or run out condition. Given the general power equation: HP = (CFM * Head * K )/(K2 * Eff) Where CFM is fan flow Head if fan pressure differential or head...