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Similar phenomena can cause pogo oscillation and can result in structural failure of a space vehicle. Another example is problematic interaction with the spacecraft's Attitude Control System (ACS), especially for spinning satellites [ 8 ] which can suffer resonance between slosh and nutation , or adverse changes to the rotational inertia .
A slosh baffle is a device used to dampen the adverse effects of liquid slosh in a tank. Slosh baffles have been implemented in a variety of applications including tanker trucks , and liquid rockets , although any moving tank containing liquid may employ them.
Silt fence installed on a construction site. Silt fences are often installed as perimeter controls. They are typically used in combination with sediment basins and sediment traps, as well as with erosion controls, which are designed to retain sediment in place where soil is being disturbed by construction processes (i.e., land grading and other earthworks).
Created Date: 8/30/2012 4:52:52 PM
A wooden turnstile for keeping livestock penned in (Zwierzyniec, Poland).A circa-1930 turnstile and kiosk at the Bath Recreation Ground. Turnstiles were originally used, like other forms of stile, to allow human beings to pass while keeping sheep or other livestock penned in. [citation needed] The use of turnstiles in most modern applications has been credited to Clarence Saunders, who used ...
This can help you avoid a collision if you need to cross paths with another person on your chair. Once you get off the chair, keep moving so the people behind you have a clear runway to exit. Not ...
SPOILER ALERT: This story contains minor spoilers from “The Flash,” now playing in theaters nationwide. Reviews for Warner Bros.’ long-in-the-works “The Flash” movie have been largely ...
The Pioneer Anomaly.This discusses the Pioneer 10 and Pioneer 11 space probes, which appear to be veering off course and drifting towards the sun. At the time of writing of the book there was a growing speculation as to whether this phenomenon could be explained by a yet-undetermined fault in the rockets' systems or whether this was an unidentified effect of gravity.