Could you please clarify which of the following you are looking for?

This request is slightly because it combines academic terminology with a common search query for a sound effect. zvuk smyvaniia skachat

For example, a research-style document discussing the acoustics, fluid dynamics, or engineering behind toilet flush sounds. Could you please clarify which of the following

A simple link or source where you can download (skachat) a sound effect of a toilet flushing. a research-style document discussing the acoustics

A recording of paper being crumpled, torn, or folded.