Zobrazeno 1 - 10
of 43
pro vyhledávání: '"Lester L. Begg"'
Publikováno v:
SPIE Proceedings.
Free Space Optical Communications (FSOC) is progressing continuously. With the successful in-orbit verification of a Laser Communication Terminal (LCT), the coherent homodyne BPSK scheme advanced to a standard for Free-Space Optical Communication (FS
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d13fd46c550572e575833fca5a3fa4ea
https://doi.org/10.1117/12.2015226
https://doi.org/10.1117/12.2015226
Publikováno v:
Proceedings of the 25th Intersociety Energy Conversion Engineering Conference.
An innovative pumped loop concept for 600 K space power system radiators utilizing direct contact heat transfer, which facilitates repeated startup/shutdown of the power system without complex and time-consuming coolant thawing during power startup,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::848f3f99ed50001aeba06788341a0601
https://doi.org/10.1109/iecec.1990.716415
https://doi.org/10.1109/iecec.1990.716415
Publikováno v:
IECEC-97 Proceedings of the Thirty-Second Intersociety Energy Conversion Engineering Conference (Cat. No.97CH6203).
The Integrated Solar Upper Stage (ISUS) system is a compact orbital transfer vehicle which generates thrust to boost payloads from LEO to higher orbits. It does this by collecting and concentrating solar flux into a sensible thermal storage, graphite
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4cfbbddc63b45c769563e0fc01b96fa5
https://doi.org/10.1109/iecec.1997.659235
https://doi.org/10.1109/iecec.1997.659235
Publikováno v:
IECEC-97 Proceedings of the Thirty-Second Intersociety Energy Conversion Engineering Conference (Cat. No.97CH6203).
The Integrated Solar Upper Stage (ISUS) receiver is a compact orbital transfer vehicle designed to generate thrust to boost transfer payloads from low Earth orbit to Molniya or geosynchronous orbits. It can provide thrust by collecting and concentrat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a820671a0b1e9343309847eab176f0c4
https://doi.org/10.1109/iecec.1997.656706
https://doi.org/10.1109/iecec.1997.656706
Publikováno v:
AIP Conference Proceedings.
The conceptual design of an innovative solar space power system based on thermionic conversion of heat to electricity is in progress. The system is particularly attractive for large power requirements (>20 kW). Solar energy is collected with an infla
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::068489d232f00ebaa315dd54fc3b9fdb
https://doi.org/10.1063/1.1449834
https://doi.org/10.1063/1.1449834
Publikováno v:
AIP Conference Proceedings.
A tungsten single crystal layer has been fabricated on molybdenum single crystal substrate through the hydrogen (H2) reduction of the tungsten hexafluoride (WF6) in low pressure. Substrate temperature, reaction chamber pressure, and flow rate of WF6
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::12d12b31dddf99ee853ee6f7bc3e26b7
https://doi.org/10.1063/1.1290965
https://doi.org/10.1063/1.1290965
Autor:
Lester L. Begg, David L. Tsetskhladse, Oleg L. Izhvanov, Yuri V. Nikolaev, Nikolai V. Lapochkin, Holger H. Streckert, Stanislav A. Eriomin
Publikováno v:
AIP Conference Proceedings.
The design, development and fabrication of a single-cell cylindrical inverted converter are presented. The converter is a coaxial system of two electrodes, in which the outer clad heats the emitter directly and a collector is set inside the emitter.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::75ee5300a16c5f5844b792c9159776b1
https://doi.org/10.1063/1.1290943
https://doi.org/10.1063/1.1290943
Autor:
Oleg L. Izhvanov, Nikolai L. Lapochkin, Yuri V. Nikolaev, Valentin S. Kolesov, David L. Tsetskhladse, Lester L. Begg, Holger H. Streckert
Publikováno v:
AIP Conference Proceedings.
The technology development and modeling results for conductively coupled multi-cell thermionic fuel element components are presented. Different design versions of the converter structural units are considered. The results of thermal test of the main
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6c694daf2e1ec414af9ce167fb757372
https://doi.org/10.1063/1.1290944
https://doi.org/10.1063/1.1290944
Autor:
Holger H. Streckert, Lester L. Begg, Nikolai L. Lapochkin, Vladimir V. Koroliev, Sergei S. Kalmykov, Stanislav A. Eriomin, Oleg L. Izhvanov, A. S. Gontar, Yuri V. Nikolaev
Publikováno v:
SAE Technical Paper Series.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a0a4a6f4b02a848b761ca6c099dd4e83
https://doi.org/10.4271/1999-01-2460
https://doi.org/10.4271/1999-01-2460
Publikováno v:
SAE Technical Paper Series.
This paper presents trade studies that address the use of the thermionic/AMTEC cell — a cascaded, high-efficiency, static power conversion concept that appears well-suited to space power applications. Both the thermionic and AMTEC power conversion
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2ed34c67d428b4c641831c4d202bf18c
https://doi.org/10.4271/1999-01-1399
https://doi.org/10.4271/1999-01-1399