Двигательная установка. XIPS-25. [Редактировать]

Технические характеристики

#ХарактеристикаЗначение
1Тяга, мН165
2Удельный импульс, метра в секунду35000
3Мощность, Вт4200

Найдено 125 документов по запросу «XIPS-25». [Перейти к поиску]


Дата загрузки: 2017-11-08
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0.32/5
... the ionic engines of type XIPS-25 is researched. The purpose is... 1350 10 15 20 25 15 20 25 Figure 3. Transfer duration [day... Hall Thruster Propulsion System and XIPS-25 for SC insertion into GEO... the ionic engines of type XIPS-25, which are developed Hughes Electron... the ionic thruster of type XIPS-25 is used. Characteristics of this... the ionic thruster of type XIPS-25. Therefore the shown function can... into a geostationary orbit (Fig. 25). From Fig. 25 it is visible, that... different specific impulses and for XIPS-25 D. The analysis of rational change... September 17-20, 2007 Figure 25. SC mass into GEO [kg... different specific impulses and for XIPS-25 Figure 26. Payload mass [kg... the use of ionic thruster XIPS-25 is expedient. It is explained... km/s; • the thrust cost of XIPS-25 of 20 kW/N. It is... 15 XIPS-25 4.2 kW. http://www.astronautix.com/engines/xip542kw.htm. 16. XIPS....com/defensespace/space/bss/factsheets/xips/xips.html 17 NSTAR http://www.../defense-space/space/bss/factsheets/xips/nstar/ionengine.html 18 The...



Дата загрузки: 2017-06-15
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0.17/5
... ion thruster and the derated XIPS-30 are about tied for... the NH3 arcjet and the XIPS-25 close behind. When these results... in scope to either the XIPS-13 or the HAJ, assumed... to each EPS. The small XIPS is included for NSSK only... of EPS's EPS Device XIPS-13 XIPS-25 XIPS-30 SPT-100 H2AJ H2RJ... GIM PMU STRU HARN MISC XIPS-13 XIPS-25 XIPS-30 SPT-100 H2AJ....0 21.0 In Table 3, the XIPS-13 and -25 thruster masses include part..., are given in parentheses below. 3.0 XIPS-25 Mbol T. mo Mbol 3717 3259...(2647) 2638(2525) 19.8 11.4 6.7 3.9 1.8 XIPS-30 H2 AJ Mbol T. mo... for added redundancy (configuration 2). 3. The XIPS-30 (de-rated) for both... thruster system, and a four thruster XIPS-13 system for NSSK (configuration... with only 4 thrusters, since the XIPS-30 thruster has been shown... in this example. For the XIPS-30, 4-thruster system, the increase... between it and the 4-thruster XIPS-13 system which would be... angle is about 28% (cos 25/cos 45), and this must... velocity of the XIPS-30 relative to the XIPS-13. The 1869... assigned to OR with the XIPS-30 is the sum of... the XIPS-13 ion thrusters are mounted at a cant angle of 25... in BOL Mass SPT-100 XIPS-30 63 133 198 333...-100 (configuration 2) and the derated XIPS-30 (configuration 3) are also substantial... the SPT-100 and the XIPS-30, the hardware is more... need be added; for the XIPS-30, only the increased cost... S 46 a. H2RJ b. SPT-100 c. XIPS-30 d. XIPS-25 5000 5740 57 36 536... WITH XIPS-30'S. XIPS3 CONFIGURATION 4: OR WITH H2RJ's; NSSK WITH XIPS-13...



Дата загрузки: 2017-09-24
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0.21/5
... SNAP SNAPSHOT SPIBS ST4 USAF XIPS 1 Goddard Space Flight Center Hughes... engine systems.21,22,24,25 Thruster development tests included a lifetest... through a series of ground tests.25 SERT II The SERT II... in the case of the XIPS-25, a preflight development program that is...-clear circuits for the IAPS, XIPS, and NSTAR thrusters. One of... program included the development of 25 kW solar arrays, PPUs, thermal... to lack of funding. XIPS-25 (4.2 kW) A 25 cm diameter xenon engine system... HS 702 spacecraft use four XIPS-25 engines and two PPUs. Only... HS 702 spacecraft with the XIPS-25. The spacecraft has an end... thrust at 3800 s specific impulse. XIPS hardware is currently under extended... 12.2 m long vacuum facility. XIPS-25 (1.3 kW) This XIPS-25 program, conducted by Hughes... class communication satellites.51 The 25 cm diameter, 3-grid, xenon ion... XIPS-13 (0.44 kW) and XIPS-25 (4.2 kW) systems, instead of the 1.3 kW XIPS-25... Hughes' first customer for the XIPS-13 propulsion system on PAS... spacecraft are operational using the XIPS-13 system namely, Galaxy VIII... communications spacecraft employing the XIPS-13 and XIPS-25 propulsion systems. Additionally, the...," NASA TMX–1077, March 1965. 25. Worlock, R. M., et al., "The Cesium...—1999-209439 11 52. Beattie, J. R., "XIPS Keeps Satellites on Track," The.../7 02/702.html. 54. Anon., "XIPS: The Latest Thrust in Propulsion....hughespace.com/factsheets/xi ps/xips.html. 55. Kaufman, H. R., "An Ion... Name SEPST SIT-5 SEPS IAPS XIPS-25 XIPS-25 Sponsor NASA JPL NASA LeRC... 5 cm 30 cm 8 cm 25 cm 25 cm Type of neutralizer Hollow... 1988 -> 30-cm thruster (Xe) 25-cm thruster (Xe) (INTELSAT/Hughes... Station plasma contactor program 1997 -> XIPS-13 for comsat NSSK (Hughes... -> 1999 -> NASA/TM—1999-209439 XIPS-25 for comsat orbit insertion and... space S/C 18 >8000 h test of XIPS-13 (Hughes) 8193 h test of... thruster Extended testing of the XIPS-25 (Hughes) Extended groundtesting of the...) 1995 2000 Hughes PAS-5, 500 W XIPS (First of many S/C) 2005 Hughes 701 S/C 4.2 kW XIPS Space Technology 4, 3 NSTAR subsystem IPS... propulsion; Spacecraft propulsion; Plasma applications 25 16. PRICE CODE A03 17...



Дата загрузки: 2017-10-24
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0.26/5
...-cm Xenon Ion Propulsion System (XIPS) [3,4], which was launched into orbit... the Hughes PAS-5 satellite. The XIPS system utilizes two fully redundant... Chapter 9 for the 13-cm XIPS thruster are shown in Table...%. A schematic of the 13-cm XIPS thruster is shown in Fig... active grid Table 9-1. 13-cm XIPS performance. Parameter Station Keeping Active.... 9-1. Schematic of the 13-cm XIPS thruster (from [4,10]). Flight Ion.... 9-2. Photograph of the 13-cm XIPS ion thruster (photo courtesy of... a commercial communications satellite. The 25-cm XIPS thruster was first launched in... 702 satellite. Although the 25-cm XIPS ion thruster was developed [9] at... the 13-cm XIPS shown in Fig. 9-1, the 25-cm thruster entered... device. A photograph of the 25-cm XIPS thruster, which is also manufactured... satellites with a total of 56 XIPS thrusters have been successfully launched.... The initial operation of the 25-cm thrusters in space on....). Fig. 9-4. Photograph of the 25-cm XIPS ion thruster (photo courtesy of... Inc. have demonstrated that the XIPS engine and PPU can be... the T5 Kaufman Table 9-3. 25-cm XIPS performance parameters. Low-Power Station... Raising Active grid diameter (cm) 25 25 Thruster input power (kW) 2 4.3 3420...) led the development of the 25-kW Nuclear Electric Xenon Ion thruster System (NEXIS) [25], which produced the highest efficiency..., July 16–19, 2000. [3] J. R. Beattie, “XIPS Keeps Satellites on Track,” The..., T. A. Bond, and A. M. King, “Performance of XIPS Electric Propulsion in Station Keeping... J. S. Snyder, “Performance Evaluation of the XIPS 25-cm Thruster for Application to..., Indianapolis, Indiana, July 7–10, 2002. [25] J. E. Polk, D. M. Goebel, I. Katz, J. Snyder, A. Schneider...



Дата загрузки: 2017-09-24
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0.32/5
... high value targets is 20 – 25° (telescope slew angle), which translates... Institute of Aeronautics and Astronautics XIPS: XIPS is a gridded ion thruster system... commercial geosynchronous satellite applications.7 The XIPS system is used for orbit.... XIPS has been flown in two varieties, a 13 cm and 25 cm beam diameter thrusters. The XIPS-13 was used on Boeing 601 bus satellites, the XIPS-25 on Boeing 702 bus satellites. The 25 cm version was considered in this analysis. While the XIPS system... space mission environments.8 Qualification of XIPS-25 for NASA deep space missions... readiness and qualification status of XIPS-25 for this mission would need... System Characteristics NEXT12,13 NSTAR14 XIPS-259 BPT-400010,15 Thrust... was accomplished, or for the XIPS-25 case, to achieve similar extended... the specific impulse of the XIPS-25 provides efficient xenon use and... system configuration complexity significantly. The XIPS-25 solution was modified to allow... mass growth of less than 25 kg. 3. Power Processing Unit Efficiency....5% at a PPU baseplate temperature of 25° C, and 94.1 at 50° C for... described in section I.3 is 14.25 days. Of this time, approximately..., T. A. Bond and A.M. King “Performance of XIPS Electric Propulsion in Station Keeping..., D.M., et al., “Qualification of Commercial XIPS Ion Thrusters for NASA Deep...



Дата загрузки: 2017-09-24
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0.13/5
... high value targets is 20 – 25° (telescope slew angle), which translates... NSTAR system is at TRL9. XIPS: XIPS is a gridded ion thruster system... geosynchronous satellite applications.[Ref. 3] The XIPS system is used for orbit.... XIPS has been flown in two varieties, a 13 cm and 25 cm beam diameter thrusters. The XIPS-13 was used on Hughes (Boeing) 601 bus satellites, the XIPS-25 on Hughes (Boeing) 702 bus satellites. The 25 cm version was considered in this analysis. While the XIPS system... space missions.[Ref. 4] Qualification of XIPS-25 for NASA deep space missions... readiness and qualification status of XIPS-25 for this mission would need... Propulsion System Characteristics NEXT NSTAR XIPS-25 BPT-4000 Thrust, mN 236... was accomplished, or for the XIPS-25 case, to achieve similar extended... the specific impulse of the XIPS-25 provides efficient xenon use and... system configuration complexity significantly. The XIPS-25 solution was modified to allow... mass growth of less than 25 kg. I.7.3 PPU Efficiency PPU efficiency....5% at a PPU baseplate temperature of 25° C, and 94.1 at 50° C for... described in section I.3 is 14.25 days. Of this time, approximately... PPU baseplate temperature controlled at 25 and 50° C was successfully completed... to system configuration. [Refs. 21-25] The scope of the single..., T. A. Bond and A.M. King “Performance of XIPS Electric Propulsion in Station Keeping..., D.M., et al., “Qualification of Commercial XIPS Ion Thrusters for NASA Deep...," AIAA-2006-5183, July 2006. 25. Foster, J.E., Pencil, E., McEwen, H., Patterson, M.J., Diaz...



Дата загрузки: 2017-09-24
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0.37/5
... L-3 ETI Xenon Ion Propulsion System (XIPS) thruster. There are two cathode subsystems on a XIPS thruster: the discharge cathode provides... characteristics of the L-3 ETI 25 cm XIPS hollow cathode over life will.... The Xenon Ion Propulsion System (XIPS) 25 cm thruster manufactured at L-3 Communications... station-keeping requirements of the XIPS 25 cm thruster, which entails daily... standard ignition sequence for the 25 cm thruster begins with application... 15 20 Insert Age KHrs 25 30 Figure 4. Ignition voltage as..., October 31 – November 4, 2005. C. ETI L-3 25 cm Ignition Profiles The primary... used in the L-3 ETI 25 cm XIPS thruster. In order to determine.... For the purpose of the 25 cm the ignition could be... actual test conditions of the 25 cm Thruster Life Test. An... 6. . 3 1 KHr Log10 I (mA) 2 15 KHr 1 25 KHr 0 30 KHr -1 31 KHr... the emission curve for the 25 cm XIPS thruster discharge cathode. The... was then imposed on the 25 cm XIPS cathode and a critical current... of a Keeper in the 25 cm XIPS cathode, the current needed for... KHrs into the L-3 ETI 25 cm XIPS Thruster Life Test the ignition... KHrs 15 KHrs 20 KHrs 25 KHrs 30 KHrs 31 KHrs... profile evolution for the L-3 ETI XIPS 25 cm cathode for the same... that the ignition of the 25 cm cathode should remain stable... ignition for the L-3 ETI 25 cm XIPS cathode and track these curves...



Дата загрузки: 2017-09-25
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0.27/5
...,000-hour wear test6 of a XIPS discharge cathode assembly performed in... by itself from 24.5 to 25 V reduces the discharge loss by... the final discharge voltage of 25 V causes a total increase in the... a laboratory copy of the 25-cm XIPS discharge chamber11,12 configuration with... flow is determined by the XIPS thruster throttle table previously developed13... voltage and current as the XIPS thruster13 and to produce the... accel grid. For the 25 cm diameter XIPS thruster, the grid’s neutral... density as found in the XIPS thruster in the high power... the 0-D discharge model. In the XIPS discharge cathode wear test, the... discharge voltage was maintained at 25 V and the total current Figure... keeper orifice diameter and nominal XIPS discharge chamber mass the enlarged... previous results obtained for the XIPS discharge cathode at the nominal... largely by symmetry for the XIPS DHC at the nominal HP... plasma potential (Epot) in the XIPS discharge cathode, in the vicinity...”, Journal of Propulsion and Power, 25, p. 105-117 (2009). 3 D. Herman, G. Soulas... W. Tighe, “Ongoing Wear Test of a XIPS 25-cm Thruster Discharge Cathode” AIAA...-Nov. 4, 2005. 12 John R. Beattie, “XIPS Keeps Satellites on Track”, The..., J.S. Snyder, “Performance Evaluation of the XIPS-25 cm Thruster for Application to... the Xenon Ion Propulsion System (XIPS©) by Numerical Analyses and Short...



Дата загрузки: 2017-09-24
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0.21/5
.../ASEE Joint Propulsion Conference & Exhibit 25 - 28 July 2010, Nashville, TN... velocities are typically 15,000–25,000 m/s. An Figure 2. Operational schematic... propulsion is the L-3 25-cm Xenon Ion Propulsion System (XIPS), NASA’s Solar... with flight experience on the L-3 XIPS and NSTAR thrusters, and Aerojet... impulse throttle tables of the L-3 25-cm XIPS, Aerojet BPT-4000, HiVHAC... primary electric propulsion are the L-3 XIPS and the Aerojet BPT-4000... demonstrated large throttle-ability. The XIPS 25-cm and BPT-4000 thrusters... operating in Fig. 4. The L-3 25cm XIPS thruster is used on the...-orbit, and augmenting Figure 4. The XIPS-25 firing (left) and the BPT... for orbit transfer. The 25-cm XIPS qualification testing demonstrated over 2,500... of the engine, the 25-cm XIPS was projected to have similar... spacecraft power-to-mass ratios.25 Figure 21. Required ΔV from GTO... a large decrease in performance. Figure 25 shows the trade between transfer... for various starting orbits. Figure 25 represents the baseline case using.... However, Fig. 26 16 Figure 25. Transfer time (left) and performance... Snyder, J. S., “Performance Evaluation of the XIPS 25cm Thruster for Application to..., I., and Anderson, J., “Qualification of Commercial XIPS Ion Thrusters for NASA Deep... Conference & Exhibit, Nashville, TN, July 25-28, 2010. 23 Dankanich, J. W. and...–December 2008, pp 1369–1375. 25 Dankanich, J. W., & Woodcock, G. R. (2007). Electric Propulsion...



Дата загрузки: 2017-03-09
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0.04/5
... SPT-100/140 and XIPS13/25 thrusters were considered for the... SPT-100/140 and XIPS-13/25 thrusters were considered for the... 1630 1630 Ion thrusters/ XIPS 13 cm 25 cm 18 165 500... 50 45 40 35 30 25 20 15 10 5 0 SC trajectory... -180 0 -30000 5 10 15 20 25 30 35 40 45 50... to GEO 5 10 15 20 25 30 35 40 45 t, days... thrusters (SPT) and ion thrusters (XIPS) for investigated transportation are submitted... a rule, at the use of XIPS (with more higher specific impulse... kg 1016 kg SPT and XIPS comparison STAR 2 space platform Consumed... 100 day the use of XIPS-25 allows to insert a space vehicle... GEO, kg 900 SPT-100 XIPS-13 850 800 750 700... Fig. 11. SPT-100 and XIPS-13 comparison In a Fig. 11..., the lower curve corresponds to XIPS-13. It is visible, that at the use of XIPS-13 injected mass is much... 120 day the use of XIPS-13 allows to insert a space... to XIPS-25 using. It is visible, that at the use of XIPS-25...., V=7475 m/s) 2000 SPT-140 1900 XIPS-25 1800 1700 1600 1500 1400... Fig. 12. SPT-140 and XIPS-25 comparison 9 • space system Soyuz/Fregat... space platforms. The using of XIPS results in increase of the... from SPT-100 to the XIPS-13 increases the transfer duration...