Drag crisis instability of a slender pole: A case study

The circular cylinder is the classic shape that has received the most attention in the literature. This is due in part to its widespread use as a structural form where flow-induced vibrations are a concern ranging from cooling towers and chimney stacks to risers in offshore oil drilling operations to heat exchanger tube arrays. It is also due to the fact that the seemingly benign shape poses the most difficulty from an experimental or design …