29
/
en
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
3733647
341313
2
Create
Public Timelines
Library
FAQ
For education
Cabinet
For educational institutions
For teachers
For students/pupils
sep 4, 1920 - Prandtl
Description:
Presented mean flow in triangular duct and in rectangular duct.
First report of turbulent secondary flows in non-circular ducts.
Added to timeline:
5 Feb 2020
0
0
239
Secondary flow timeline
Date:
sep 4, 1920
Now
~ 103 years ago