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Hello. I have been tasked to do a time study on a process of filling a liquifier mixer tank with the goal of timeing the current method of conveying it (screw conveyor) and seeing if an alternative method (vacuum conveyor) of conveying would speed it up a bit. I have already observed and timed...

Are there any charts or other methods out there to determine the specific gravity of R22 at various or specific temperatures?

What is the method for determining the friction factor of a transitional flow?

Does anyone know of any methods to determine/calculate the amount of a refrigerant which would currently be in an industrial system?

Does anyone know where I can find the absolute roughness values for the materials, Nitrile and FEP?

Hello Everyone, I am a person whom only just got an engineering position and I am having a bit of trouble in a project. You see, one of the pumps in our refrigeration system is suffering cavitation issues and I am attempting to determine the NPSHa to it. To make a long story short, one of...