Insert gravity into the analysis of the Kelvin-Helmholtz instability (with the uniform gravitational acceleration g pointing perpendicularly to the fluid interface, from the upper “+” fluid to the lower “−” fluid). Thereby derive the dispersion relation (14.86).

Transcribed Image Text:

の一k P+V P_P+ - + [* - k P+ +P_ P+ +P_ P+P_ (P+ +p_)² 1/2 (14.86)