دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: see water hammer.

an effect, also known as water hammer, in which a pressure wave can be generated behind a rapidly closed valve. The pressure wave travels at sonic speed, reflecting off of the pipe end or the bottom of the well and returning to the valve. If the valve is

n: a pressure concussion caused by suddenly stopping the flow of liquids in a closed container.

a sharp, sometimes very high force and pressure load that is created when a valve is closed too rapidly in a flowing stream. The major force occurs behind the valve. Most common in a production well when sudden closure (slam closure) of a subsurface safet