August 2013

Special Report: Fluid Flow and Rotating Equipment

Improve pressure drop calculations for saturated water lines

When saturated water flows through pipes and components, it flashes—thus increasing its specific volume and limiting the fluid flowrate. Due to these conditions, the calculation and design for pi..

When saturated water flows through pipes and components, it flashes—thus increasing its specific volume and limiting the fluid flowrate. Due to these conditions, the calculation and design for piping associated with boilers and steam generation are very complicated. To avoid oversizing of pipes and components, improved equations can more accurately calculate the pressure drop for saturated water at high pressure. Traditional method The present way to design these lines involve iterative or graphic methods.1–4 This approach is very time-consuming. Based on practical experience with power and nuclear plant projects, a new equation was effectively developed to calculate the flowra

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