Forces and motions induced on a deep water drill riser by a rotating drill string acting through interstitial fluid
Bob Blevins and Charly Coughran
Bob Blevins will present a substantial, real world problem in fluid mechanics. Charly Coughran will discuss a physical laboratory model and instrumentation to explore the problem. Bob Blevins will present data produced in the lab and its application to a mathematical model of the fluid driven interaction.
Bob Blevins has spent his career solving major problems in fluid induced vibration in major mechanical systems such as airplanes, power plants, and deep water oil wells. He received his PH.D. from Caltech in 1974. He is the author of three textbooks in fluid and structural dynamics.
Charly Coughran has spent over 40 years at the Hydraulics Laboratory assisting researchers obtain both laboratory and field data.