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Chemical and Process Engineering Resources

Fluid Dynamics



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  Question

How can I calculate the sonic velocity of a gas stream?

How can I estimate a gas flow based on two pressure measurements?

What are the advantages and disadvantages of using gear pumps?

What is a quick way to calculate frictional pressure drops in carbon steel pipe?

How can I estimate the efficiency of a pump?

How can I quickly estimate the horsepower of a pump?

How can one determine if a pipe is running full or is at its sealing flowrate?

What is the best way to control a positive displacement pump?

For mixing with a circulation pump, what's a good rule of thumb to determine when the tank will be "well mixed"?

How is the NPSH (Net Positive Suction Head) calculated for a process vessel followed by a pump?

What is a good estimate for the absolute roughness for epoxy lined carbon steel pipe?

What are some good references for sizing slurry lines?

What are some factors to consider when trying to choose between a dry screw compressor and an oil-flooded screw compressor?

How can I determine the largest impeller that a pump can handle?

What are the affinity laws associated with dynamics pumps?

What is the significance of the minimum flow required by a pump?

Can I develop a new pump curve if changing a centrifugal pump from a water to a gasoline duty?

How can one estimate how the friction factor changes in heat exchanger tubes with a change in temperature?

Where can I find a datasheet for a vacuum pump?

Is there a company out there that has extensive knowledge and experience in pumping sulfuric acid and molten sulfur?

With only a few feet between an injection point and our next piece of equipment, I need to be sure proper mixing takes place. How can this be accomplished?

Is there a handy way to determine if a horizontal pipe is running full if the flow rate is known?

What type of pump may be appropriate for a liquid near saturation, a low flow rate, and very limited NPSHa (net positive suction head available)?

What is a good estimate for a roughness factor for a pipeline that is severly rusted?

Under what circumstances are vortex flowmeters the most accurate?