Multi stage depressed collector with reduced size and weight for space applications

IVEC 2012 ◽  
2012 ◽  
Author(s):  
Nitin Shrivastav ◽  
Seema Yadav ◽  
A. Mercy Latha ◽  
Dheeraj Kumar ◽  
S. K. Ghosh ◽  
...  
Keyword(s):  
Space Applications ◽  
Multi Stage ◽  
Depressed Collector

Multi-Stage Cryocooler for Space Applications

Cryocoolers 8 ◽  
1995 ◽  
pp. 93-102 ◽  
Author(s):  
H. Carrington ◽  
W. J. Gully ◽  
M. Hubbard ◽  
C. Varner ◽  
P. Arter
Keyword(s):  
Space Applications ◽  
Multi Stage

Multi-stage depressed collector design using MICHELLE in ANALYST

IVEC 2012 ◽  
2012 ◽  
Author(s):  
Deepika Gajaria ◽  
Michael Cusick ◽  
Jose Luis Ramirez ◽  
Brad Stockwell ◽  
John De Ford ◽  
...  
Keyword(s):  
Multi Stage ◽  
Depressed Collector

Electron beam simulations of a multi-stage depressed collector, including secondary and scattered electrons

1998 ◽  
pp. 70-75
Author(s):  
C.A.J. van der Geer ◽  
A.G.A. Verhoeven ◽  
M. Valentini ◽  
M.J. van der Wiel ◽  
W.H. Urbanus ◽  
...  
Keyword(s):  
Electron Beam ◽  
Multi Stage ◽  
Depressed Collector

scholarly journals A Flexible Framework for Covering and Partitioning Problems in Indoor Spaces

2020 ◽  
Vol 9 (11) ◽  
pp. 618
Author(s):  
Sung-Hwan Kim ◽  
Ki-Joune Li ◽  
Hwan-Gue Cho
Keyword(s):  
Spatial Data ◽  
Route Planning ◽  
Linear Programs ◽  
Space Partitioning ◽  
Space Applications ◽  
Indoor Space ◽  
Multi Stage ◽  
Device Placement ◽  
Partitioning Problems ◽  
Indoor Spaces

Utilizing indoor spaces has become important with the progress of localization and positioning technologies. Covering and partitioning problems play an important role in managing, indexing, and analyzing spatial data. In this paper, we propose a multi-stage framework for indoor space partitioning, each stage of which can be flexibly adjusted according to target applications. One of the main features of our framework is the parameterized constraint, which characterizes the properties and restrictions of unit geometries used for the covering and partitioning tasks formulated as the binary linear programs. It enables us to apply the proposed method to various problems by simply changing the constraint parameter. We present basic constraints that are widely used in many covering and partitioning problems regarding the indoor space applications along with several techniques that simplify the computation process. We apply it to particular applications, device placement and route planning problems, in order to give examples of the use of our framework in the perspective on how to design a constraint and how to use the resulting partitions. We also demonstrate the effectiveness with experimental results compared to baseline methods.

Challenges in achieving hermetic brazing joints in single-insulator multi-stage depressed collector of travelling wave tubes

Vacuum ◽  
2020 ◽  
Vol 172 ◽  
pp. 109101 ◽  
Author(s):  
A. Mercy Latha ◽  
Vishant Gahlaut ◽  
R.K. Sharma ◽  
S.K. Ghosh
Keyword(s):  
Travelling Wave ◽  
Multi Stage ◽  
Depressed Collector
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