
(from the article `turbine`) ...increase caused by a reduction in flow velocity within acceptable limits. If the closing or opening rate is too slow, control instabilities may ... ...had been specifically designed to take advantage of this more efficient method. At a Northfield Mountain (Massachusetts) underground hydroplant ... [2 r...
Found on
http://www.britannica.com/eb/a-z/s/190

a chamber for absorbing surge from a liquid or gas.
Found on
https://www.infoplease.com/dictionary/surge-chamber
No exact match found.