Zobrazeno 1 - 10
of 103
pro vyhledávání: '"V. K. Rawlin"'
Publikováno v:
21st International Electric Propulsion Conference.
For more than 30 years, NASA has conducted an ion propulsion program which has resulted in several experimental space flight demonstrations and the development of many supporting technologies. Technologies appropriate for geosynchronous stationkeepin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::21eb0638e466e27c08c23f456784f49f
https://doi.org/10.2514/6.1990-2527
https://doi.org/10.2514/6.1990-2527
Autor:
David C. Byers, V. K. Rawlin
Publikováno v:
Journal of Spacecraft and Rockets. 14:648-654
Presented are the results of an analysis of some critical elements of electron-bombardment ion propulsion systems for use in the transportation and on-orbit operations of large space systems. Using baseline technology from the ongoing primary propuls
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5564154370c210eb7b0c32d1c9abbc3c
https://doi.org/10.2514/3.57246
https://doi.org/10.2514/3.57246
Publikováno v:
Journal of Spacecraft and Rockets. 13:579-584
Fluctuations of the discharge and beam plasmas of a 30-cm ion thruster have been measured using 60-Hz laboratory-type power supplies. The thruster was operated at beam currents of 2.0,1.5, and 1.0 A over a range of magnetic baffle currents, at consta
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::11ba81329e232f17091fcfe615f5a8a1
https://doi.org/10.2514/3.57122
https://doi.org/10.2514/3.57122
Autor:
V. K. Rawlin, W. R. Kerslake
Publikováno v:
Journal of Spacecraft and Rockets. 7:14-20
1 Kerslake, W. R., Byers, D. C., and Staggs, J. F., "SERT II Experimental Thruster System," AIAA Paper 67-700, Colorado Springs, Colo., 1967; also "SERT II: Mission and Experiments," Journal of Spacecraft and Rockets, Vol. 7, No. 1, Jan. 1970, pp. 4-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a652c1b9737be4b3f8ad9c7190af435e
https://doi.org/10.2514/3.29856
https://doi.org/10.2514/3.29856
Autor:
E. V. Pawlik, V. K. Rawlin
Publikováno v:
Journal of Spacecraft and Rockets. 5:814-820
Mercury fed plasma bridge neutralizers for in- flight operation of SERT II electron bombardment ion thrustor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::be6cca3fa040372207a474cd16cd2afc
https://doi.org/10.2514/3.29363
https://doi.org/10.2514/3.29363
Autor:
R. T. Bechtel, V. K. Rawlin
Publikováno v:
12th International Electric Propulsion Conference.
The results of extensive testing of two 30-cm ion thrusters which are virtually identical to the 900 series Engineering Model Thruster in an ongoing 15,000-hour life test are presented. Performance data for the nominal fullpower (2650 W) operating po
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0411e273e03a6a3a3c51055b527fed34
https://doi.org/10.2514/6.1976-1033
https://doi.org/10.2514/6.1976-1033
Autor:
C. E. Hawkins, V. K. Rawlin
Publikováno v:
Conference on Advanced Technology for Future Space Systems.
A 30-cm-diam mercury ion thruster, using two or three grid ion accelerating systems, is operated at increased values of beam current. Comparisons with the SEP (Solar Electric Propulsion) and EPSEP (Extended Performance SEP) baseline thrusters are mad
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e6d53c836f241544637e06ca9910aa2c
https://doi.org/10.2514/6.1979-910
https://doi.org/10.2514/6.1979-910
Autor:
M. A. Mantenieks, V. K. Rawlin
Publikováno v:
11th Electric Propulsion Conference.
The 3.0-m diameter chamber of the 7.6-m diameter by 21.4-m long vacuum tank at NASA LeRC was modified to permit testing of an array of up to six 30-cm thrusters with a variety of laboratory and thermal vacuum bread-board power systems. A primary obje
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5624b7dd52ddc146454d60ab2a90dfb2
https://doi.org/10.2514/6.1975-402
https://doi.org/10.2514/6.1975-402
Autor:
V. K. Rawlin, D. C. Byers
Publikováno v:
12th International Electric Propulsion Conference.
The results of an anlaysis of electron bombardment ion propulsion systems for use in the transportation and on-orbit operations of large space systems are presented. Using baseline technology from the ongoing primary propulsion program and other sour
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8e24b5b073dc669f22bd328fa05139d3
https://doi.org/10.2514/6.1976-1039
https://doi.org/10.2514/6.1976-1039
Publikováno v:
13th International Electric Propulsion Conference.
This study of advanced electrostatic ion thrusters for space propulsion was initiated to determine the suitability of the baseline 30-cm thruster for future missions and to identify other thruster concepts that would better satisfy mission requiremen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ecdc5962491da32cc126ff3cbc6928f1
https://doi.org/10.2514/6.1978-698
https://doi.org/10.2514/6.1978-698