An Orbiter Upgrade Demonstration Test Article for a Fail-Safe Regenerative CO, Removal System

1998 ◽  
Author(s):  
John C. Graf ◽  
Tom Filburn ◽  
Mark Lantzakis ◽  
Ed Taddey
Keyword(s):  
Test Article ◽  
Co Removal ◽  
Fail Safe ◽  
Removal System

The Extended Duration Orbiter Regenerable CO Removal System

1990 ◽  
Author(s):  
Fred A. Ouellette ◽  
H. Eugene Winkler ◽  
Gail S. Smith
Keyword(s):  
Extended Duration ◽  
Co Removal ◽  
Removal System

Orbiter Upgrade Activities for a Fail Safe Regenerative CO2 Removal System

1997 ◽  
Author(s):  
John Graf ◽  
Steve Tongue ◽  
Tom Filburn ◽  
Edmund Taddey
Keyword(s):  
Co2 Removal ◽  
Fail Safe ◽  
Removal System

A Statistical Study of Process Variables to Optimize a High Speed Curtain Coater: Part I

TAPPI Journal ◽  
2009 ◽  
Vol 8 (1) ◽  
pp. 20-26 ◽  
Author(s):  
PEEYUSH TRIPATHI ◽  
MARGARET JOYCE ◽  
PAUL D. FLEMING ◽  
MASAHIRO SUGIHARA
Keyword(s):  
Boundary Layer ◽  
Experimental Design ◽  
High Speed ◽  
Statistical Study ◽  
Process Variables ◽  
High Speeds ◽  
The Stability ◽  
Air Removal ◽  
Removal System

Using an experimental design approach, researchers altered process parameters and material prop-erties to stabilize the curtain of a pilot curtain coater at high speeds. Part I of this paper identifies the four significant variables that influence curtain stability. The boundary layer air removal system was critical to the stability of the curtain and base sheet roughness was found to be very important. A shear thinning coating rheology and higher curtain heights improved the curtain stability at high speeds. The sizing of the base sheet affected coverage and cur-tain stability because of its effect on base sheet wettability. The role of surfactant was inconclusive. Part II of this paper will report on further optimization of curtain stability with these four variables using a D-optimal partial-facto-rial design.

Double Fail-Safe Attitude Control System for Artificial Meteor Microsatellite ALE-1

2021 ◽  
Vol 19 (1) ◽  
pp. 9-16
Author(s):  
Shinya FUJITA ◽  
Yuji SATO ◽  
Toshinori KUWAHARA ◽  
Yuji SAKAMOTO ◽  
Yoshihiko SHIBUYA ◽  
...  
Keyword(s):  
Control System ◽  
Attitude Control ◽  
Attitude Control System ◽  
Fail Safe
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