Двигательная установка. LE-5A. [Редактировать]

Технические характеристики

#ХарактеристикаЗначение
1Длина, мм2668
2Тяга, тс12.4
3Удельный импульс, секунда452
4Масса, кг248
5Диаметр (максимальный), мм1625
6Соотношение компонентов (топлива)5.0:1
7Скорость вращения (турбины топлива), оборотов в минуту51000
8Скорость вращения (турбины окислителя), оборотов в минуту17000
9Степень расширения сопла130

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... PRESENTE MANUALE I.I Avvertenze generali ATTENZIONE! Le descrizioni precedute da questo simbolo..., incidenti, infortuni gravi o mortali. NOTA Le descrizioni precedute da questo simbolo... portabiciclette dell’autoveicolo, potrebbe danneggiare le sospensioni. Se al controllo della... danni alla sospensione. Rispettare le leggi e le disposizioni in vigore nel paese... sempre tutti i segnali stradali, le insegne e le disposizioni durante la corsa. Indossare... in questo paragrafo. Controllare che le sospensioni non presentino perdite o tracce... sia allentato o svitato. Assicurarsi che le ruote siano centrate perfettamente. Far...à comporta sollecitazioni della sospensione per le quali non e stata progettata. Anche... a disco. 2. INFORMAZIONI TECNICHE 2.1 Elemento elastico Le forcelle Marzocchi utilizzano al loro... volume olio interno. 2.3 Lubrificazione e raffreddamento Le forcelle possono adottare differenti tecnologie... il funzionamento idraulico, assolve tutte le esigenze di lubrificazione e raffreddamento delle... si ottiene durante l’utilizzo, quando le sollecitazioni e gli affondi della forcella... dello stelo fino a raggiungere e lubrificare le boccole. 2.4 Boccole di guida e anelli... Post Mount, assicurarsi di rimuovere le apposite pellicole protettive presenti sui..., con una chiave dinamometrica, seguendo le specifiche del produttore dell’impianto... in dotazione (codice accessorio: 850996/C). - 3 Le forcelle OEM possono non essere... dovrebbe oscillare né lateralmente né verticalmente. Per le specifiche corrette, consultare il libretto... dovrebbe oscillare né lateralmente né verticalmente. Per le specifiche corrette, consultare il libretto... dovrebbe oscillare né lateralmente né verticalmente. Per le specifiche corrette, consultare il libretto... dovrebbe oscillare né lateralmente né verticalmente. Per le specifiche corrette, consultare il libretto... e 8B di Figura 8). • Far corrispondere le forature di ciascun componente. • Bloccare... Tabella 7 - Pressioni aria consigliate ATTENZIONE! Le operazioni elencate di seguito ed... aveva acquistato, descrivendogli il difetto e le ragioni della richiesta di intervento... presente garanzia annulla e sostituisce tutte le garanzie implicite od esplicite, dichiarazioni... precedenza e costituisce l’intero accordo tra le parti con riferimento alla garanzia... 1.1 Conventions 1.1.1 Orientation of the fork 2 R F 3 1 K C A LE FT O N T 1 HT B RIG BOTTOM WARNING.... ou contactez directement le Centre d’Assistance agréé Marzocchi le plus proche. Vous... pédales, les poignées, le guidon, le cadre et la selle, sont... elle comporte des sauts et le franchissement «d’obstacles artificiels » voire construits... une conduite performante et libre. Le contrôle de la détente est... partie supérieure. Le système permet le contrôle des grandes vitesse... le système hydraulique entry level. Le système R permet le contrôle et le réglage de la détente à travers le...érieure. R Damper Le système R permet le contrôle et le réglage de la détente à travers le bouton de... cartouche a rebond fixe permet le contrôle hydraulique de la détente utilisant... parfaitement testés. Le système contrôle la compression. Le dispositif de réglage... périodiquement. 30 3. INSTALLATION 3.1 Installation sur le cadre La fourche est fournie... la base et le jeu entre le fourreau et le châssis sont..., la roue et vissez-le dans le bas de fourche gauche (voir... (voir le 5A - Figure 5). • Installez l’axe par le bon côté. (Voir le 5A - Figure 5). • Traversez le trou... l’écrou légèrement afin de le placer le levier dans la direction désir... fin de l’axe, fermez le levier (voir le 5C- Figure 5) ; de cette...ée à la main, si vous le souhaitez. Ouvrez le serrage rapide. Afin d’augmenter... vis sur l’axe, tournez le dans le sens des aiguilles d’une montre... desserrages intempestifs pendant l’utilisation (voir le 5C - Figure 5). • Vérifiez l’alignement correct... la suite, ayant fermé le système. Le décalage du levier d’attache... de la roue causant le desserrage de l’axe. 5A 5B 5C Figure... rigoureusement les instructions ciaprès: • Installez le segment de montage inférieur... 8C - Figure 8). • Installez le cintre en le centrant dans le segment de montage... des prescriptions contenues dans le Manuel relatif à le produit. La présente... aux indications contenues dans le Manuel relatif à le produit. 5.1.2 ACHETEUR: La pr... devra exclusivement contacter le Revendeur autorisé où il a acheté le produit ou un... entre le client final et le concessionnaire auprès duquel le client a acheté le syst... S.r.l s’engage, à sa discrétion, à le réparer ou à le remplacer gratuitement, dans un... les instructions contenues dans le Manuel relatif à le produit et figurant sur... aux indications contenues dans le Manuel relatif à le produit. 5.2.2 ACHETEUR: La pr...ément aux indications contenues dans le « Manuel d’instructions ». 5.2.9 AUTRES DROITS: Cette... cădeţi şi că sunteţi suficient de experimentat să le realizaţi. POLSKI I. UŻYWANIE INSTRUKCJI I.I Og... vzmetenje ni bilo izdelano. Izvajajte le skoke s primerno urejenimi doskočišči, katera...



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LE 5A Procedure for Determining Luminaire Efficacy ... Downlight Luminaires NEMA STANDARDS PUBLICATION LE 5A-1999 Procedure for Determining Luminaire... and Pan American Copyright Conventions. LE 5A-1999 Page i CONTENTS Page Foreword... Reporting Format (Example Only) ............................................15 7.1 7.2 LE 5A-1999 Page ii Annex A A.1 A.2 A.3 A.4 RATIONALE... Efficiency............................................................................................17 Luminaire Wattage .............................................................................................17 LE 5A-1999 Page iii FOREWORD This... Thomas Lighting, Inc.—Tupelo, MS LE 5A-1999 Page iv PURPOSE The... data or from Tables A-2 and A-3. LE 5A-1999 Page 1 Section 1 GENERAL 1.1 SCOPE... Lamp Reference Ballasts, Specifications FOB LE 5A-1999 Page 2 ANSI C82.6-1996... halide, and high pressure sodium. LE 5A-1999 Page 3 incandescent lamp: A lamp... considered the “bare source.” LE 5A-1999 Page 4 LE 5A-1999 Page 5 Section 2 SELECTION... NEMA Standards Publication LE5B. LE 5A-1999 Page 6 LE 5A-1999 Page 7 Section 3 TESTING... for the luminaire test. LE 5A-1999 Page 8 LE 5A-1999 Page 9 Section 4 CALCULATIONS... is not available. LE 5A-1999 Page 10 LE 5A-1999 Page 11 Section..., HID lamp types. LE 5A-1999 Page 12 LE 5A-1999 Page 13 Section... representing 1,000 lumens. LE 5A-1999 Page 14 LE 5A-1999 Page 15 Section... example of a recommended reporting format. LE 5A-1999 Page 16 Figure 7-1 – Recommended... energy cost per 1,000 lumens. LE 5A-1999 Page 17 Annex A RATIONALE... when test data is unavailable. LE 5A-1999 Page 18 Table A-1 MINIMUM... 13 5 8 12 19 22 12 LE 5A-1999 Page 19 TABLE A-2 TYPICAL... Factor (= 0.90) Normal Power Factor LE 5A-1999 Page 20 TABLE A-3 TYPICAL...



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... vehicle, is developing the H-II’s LE-7 engine. Mitsubishi is conducting many... Firing Test Facility for the LE-7 engine, Yosinobu Range for the... responsible for the second stage LE-6 engine. Ishikawajima-Harima is responsible... (turbopumps) of the first stage LE-7 cryogenic engine. Kawasaki is developing... the turbine blades of the LE-7 main rocket engine and problems... plagued the engine’s development. Two LE-7 engine tests at Tanegashima Space... ended in failure. Also, the LE-7 engine caught fire four times... the Space Development Agency, the LE-7 continues to experience test failures. Hydrogen gas exploded during an LE-7 fueling test in May 1991... in Kakuda. A manifold in the LE-7 engine’s main fuel injector burst...-duration firing test of the LE-7 engine was successfully conducted in... and be powered by the LE-7 cryogenic engine. The fly-back... be powered by an improved LE-7 cryogenic engine and a turbojet for... operational. The gas generator cycle LE-5 cryogenic propulsion engine for the... presently operational. Development of the LE-GA expander bleed-cycle engine and LE-7 pre-burner cycle cryogenic engine... pump and combustor from the LE-5 engine, along with new components... in Japan were dedicated to LE-7 engine development. Ishikawajima-Harima’s Air... the hydrogen fuel itself. The LE-5 rocket engine’s hydrogen pump and... liquid hydrogen facilities for LE-‘7 development work. An LE-7 engine modified to..., U.S. officials reported problems with the LE-7 turbopump (developed by Ishikawajima-Harima... low for combustion). The Japanese LE-5A engine for the H-II launch... 5 launch vehicle, and the Japanese LE-5 engine for the H-I launch vehicle...



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... the combustion chamber of the LE-5A second stage, overheating engine parts... chamber of the second stage LE-5A engine, and Figure 3 its cross... weight-saving windows on the LE-5 engine’s nozzle skirt (Figure 2). This... to shutdown the engine. Figure 2. LE-5A Engine (Exterior) [1] (2) Combus tion gas... the second-stage engine. Figure 3. LE-5A Engine Diagram [1] (3) There are two... captive firing test of the LE-5A engine, cracks started from the... LE- 7A engines of the 7th H-II launch vehicle and the LE-5A... captive firing test of the LE engine; however, it w as due... stage thrust. The 1st stage LE- 7 eng ine is a large two... the LE-5 technology. The 2nd stage LE-5A engine is an improved LE-5 engine... and reliability than the LE-5 en gine. The LE-5A engine can reignite... firings of the 2nd stage LE-5 and LE-5A engines were completed as... captive firing test of the LE-5A engine was aborted 22.4 seconds...



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... as operational experience with the LE-5B rocket motor are described... ENGINES Presently, the Japanese LE-5A and LE-5B engines are the only...-proven bleed cycle engines. The LE-5A had been used in the... 1994. The more cost efficient LE-5B is in operation with... of LE-5A and LE-5B engines are shown in Table 1. The LE-5A turbines... chamber and nozzle (Figure 1). The LE-5B turbines are instead driven... exchange of the chamber, the LE-5B chamber structure was changed... to electrodeposited copper. Consequently the LE-5B turbine drive gas temperature... the LE-5B is much lower than that of the LE-5A. LE-5A LE-5B... Bleed In another step, the LE-5B chamber length was increased... by 1%. Since development completion, the LE-5B powers the second stage... Japanese LE-5B engine 3 Table 1: Characteristics of the Japanese LE-5A and LE-5B engines [9], [10] 3.1 The feasibility model of LE-5B... engineering model chamber of the LE-5B was designed using the.... The test data of the LE-5B engineering model indicated that... speeds. Figure 1: Schematic of Japanese LE-5A engine 2 American Institute of Aeronautics... demonstrated by the operational Japanese LE-5B engine, such flow mixing.... However, successful operation of the LE-5B engine has been demonstrated... already realized in the Japanese LE-5 motor, the viability of the... Astronautics, 1992. 9. Kakuma, Y. et al.: LE-5B Engine Development, AIAA-2000...-August 2002 16. Bonnal, Ch.; Le Fur, Th.; Levy, Y.; Eymard, M.; Pascal...



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... 2011) 36 Development of the LE-X Engine MASAHIRO ATSUMI*1 KIMITO YOSHIKAWA..., and was adopted for the LE-5B engine, the second-stage... of H-IIA launch vehicle. The LE-5B has many capabilities, providing... LE-5A engine, which was an improved version of the LE-5 engine. The LE... was also adapted for the LE-5B engine, and more recently... for providing the highly reliable LE-X engine. |1. Introduction In 1999, H-II... explosion in the first-stage LE-7 engine during flight. For the...-stage vehicle, in which the LE-5B was installed, was disconnected.... However, under such conditions, the LE-5B engine started normally and... and later adopted for the LE-5B engine. This engine cycle.... We are currently developing an LE-X first-stage engine for next... obtain high reliability for the LE-X engine. *1 General Manager, Guidance & Propulsion... using the EBC was the LE-5A used in the second stage... stage of the LE-5, the predecessor of the LE-5A. Figure 4 (1) Developmental history of expander bleed engines LE-5 engine The LE... an explosive type). In the LE-5, the starter was omitted for... combustion chamber adopted in the LE-5 was not sufficient to drive.... (2) LE-5A engine Study of the expander bleed operation in the LE-5 engine..., development of the LE-5A engine was started. In the LE-5A, the heat... thrust and performance. (3) LE-5B engine In the LE-5B engine, the... from 3.6 MPa, used in the LE-5B, to 14 MPa, and... to develop the first-stage LE-X engine for next-generation main... the development of the entire LE-X engine. Figure 6 3.1 Approach using high... good productivity. 3.3 Development of the LE-X Engine for a Next-Generation Main... In the development of the LE-X engine, the design process developed... to the development of the LE-X engine, is illustrated in Figure... 7 High-reliability design process for LE-X development Figure 8 Calculation of failure... key factors considered for the LE-X engine were heat absorption and... past. On the other hand, LE-X is aiming for short-period...’s original expander bleed engine. The LE-X engine, which integrates these technologies... engine. References 1 2 3 4 5 6 Ryuichi Sekita, The LE-5Series Development, Approach to High... Kakuma, Masaaki Yasui, Tadaoki Onga, LE-5B Engine Development, AIAA 2000-3775 Akihide Kurosu, LE- X - Japanese Next Liquid Booster Engine... Sunakawa, Akihide Kurosu, Overview of LE-X Research and Development, ISTS2011 William Sack, LE-X Prototype Main Combustion Chamber Development...



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...* 1 The first-stage LE-7A and second-stage LE-5B engines of... developed in 1994, with the LE-5B development completed in 2000, the LE-7A development is still under... the second-stage engine, the LE-5A, failed and in the H-II... the first-stage engine, the LE-7, failed. Development of these engines.... 1. Introduction The development of the LE-7A engine, an improved model of the LE-7, was started in 1994 with... of the LE-5B engine, an improved model of the LE-5A, was... the five units of the LE-5B engine and the development... Ishikawajima-Harima Heavy Industries Fig. 1 LE-7A engine *1 Nagoya Guidance & Propulsion..., respectively. 2. Outline of engine 2.1 The LE-7A engine Fig Fig.. 1 shows a picture of the LE-7A engine. This engine has been developed by improving the LE-7 engine which was used as... the H-II launch vehicle. The LE-7A engine operates on the... cycle) as that of the LE-7 but has higher reliability, lower... in the later stage. 2.2 The LE-5B engine Fig Fig.. 2 shows a picture of the LE-5B engine. The LE-5B engine has been developed by increasing the Fig. 2 LE-5B engine Mitsubishi Heavy Industries... from 12.4 tons of the LE-5A. A change of engine cycle has... of the development project 3.1 The LE-7A engine Ta b l e 1 s h o w s t h e L E - 7 A e n g i n e d e v e l o p m e n t schedule. Development of the LE-7A engine was started in... which were conducted on the LE-7 engine to confirm applicability of... for the development of the LE-7A engine. The designing work... the development of the LE-7 engine, because the LE-7 engine took almost... of the first stage engine LE-7 during flight. The problem engine... for the development of the LE-7A engine. The launching operation... fluctuation shown by the conventional LE-7 engine of the H-II launch vehicle. The development of the LE-7A engine is still going.... 7 qualification engine in 2002. 3.2 The LE-5B engine T a b l e 2 s h ow s t h e L E - 5B en... the LE-5B engine was started in 1994. In 1955, an LE-5A... the injector designed for the LE-5B engine and the combustion... the combustion chamber of the LE-5A engine caused an external leakage... trouble would happen to the LE-5B engine, and accordingly no... taken against it, because the LE-5B engine had already employed... to finish development of the LE-5B engine when the phase..., there was a possibility that the LE-5B engine might experience a restart... in the operation of the LE-5A engine. On reflection, it was... of No. 8 H-II vehicle. The LE-5B engine was installed on... For the development of the LE-7A engine, all problems revealed in the development of the LE-7 engine, including durability of high... the schedule for improvement. The LE-5B engine has passed the... et al., Development of Improved LE-7, Mitsubishi Juko Giho Vol.33... of H-IIA Rocket Engine (LE7A, LE-5B), Mitsubishi Juko Giho Vol....5 (1998) p.344 (3) Kakuma, Y. et al., LE-5B Engine Development, AIAA-20003775...



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... Н-II и для МБ. 4.1.ДВИГАТЕЛЬ LE-5A Двигатель LE-5A, предназначенный для второй ступени ракеты Н-II, представляет собой модификацию двигателя LE... сопла [13]. Схема нового двигателя LE-5A представлена на рис.25. Двигатель... с). Рис. 25. Пневмогидравлическая схема двигателя LE-5A: 1. 4 - ТНА жидких кислорода и водорода: 2 - ЗУ... экземпляров двигателя LE-5A. Рис. 26. Результаты огневых испытаний двигателя LE-5A: о - эксперимент; • - расчет 4.2.ДВИГАТЕЛЬ HIPEX Если двигатель LE-5A имеет традиционную...



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H A H A 1 H A H A H H H A A H H 3 A A H A H A H A H 8 H H A A 5 H A H H A H A H H A H A A H H H A A H H H A A A 1 H A H A H H H A 2 SSB H A MDS-1 DASH H LE-7A LE-7A 3.7 2 4.6 H H LE-7A SRB-A SRB-A LE-5B LE-5B 3 LE-5B NASDA H H A 4 LE-5B LE LE 5B 7A SRB-A LE 7A SRB H H A H A FMEA 5 LE-7A LE-5B SRB-A H FMEA FMEA end-to-end 6 H A NASDA/ NASDA H A H 7 H III H A SRB-A 8 H H A A LE-7A OTP LE-5B SRB-A H A 9 H A H H H H A A H H A A H 10 A A H H H A A (GTO) 1 2 LE-5B H H A 2 LE-5A LE-7 1 LE-5B LE-7A SRB-A LE-7A 11 km LE-7 LE-7A LE-5B LE-5A km km = 1080 kN = 445.6 s LE-7A =1073 = 429 30kN 4.7s LE-7A = 122 kN = 452 s LE-5B = 137 = 447 3.7kN 4.8s LE-5B 12 = 1047 1066 kN = 430 s = 134 135 kN = 448 s Built In Test Built In Test 13 14 o-p o-p ( 15 ) 16 17 NPSH(Net Positive Suction Head) 18 H- H- H- H- H- HH- H- H A (1) (2) (3) (4) 3 3 5 8 1 7 5 0 0 1 1 0 0 0 0 H- A H- (1) 2 1 (2) 8 6 4 1 5 5 3 0 0 2 1 LE-5B Built-in-Test 20 43 (1) (2) (3) (1) 5 4 7 6 5 3 4 0 0 1 0 FMEA FMEA (2) (3) LE-7A LE-5B SRB-A 5 6 0 4 5 0 (1) H(2) H- A 8 3 0 3 0 (1) (2) (3) H- A H- 4 H- H- 4 7 0 0 6 1 H- A B C H- 8 D E F (1) (2) (3) (4) (1) (2) (3) (4) (5) (6) (7) (1) (2) (Failure Modes and Effects Analyses: (Fault Tree Analyses Analyses: ) ) ) (Probabilistic Risk (3) (4) (1) (2) (3) (4) (5) (6) (7) (1) (2) (3) (4) NASDA (1) (2) l l l l l (Failure Modes and Effects Analyses: (Fault Tree Analyses Analyses: ) ) ) (Probabilistic Risk (3) (4) H 8 H A ( ) 1. 2. 3. 4. 1. 2. NASDA NASDA 1. 2. H-IIA 1. 2. Failure Modes and Effects Analyses) 1. 2. 1. 2. 3. 1. 2. 3. 1. NASDA 2. SRB-A SRB-A 1. 2. 3. SRB-A SRB-A 1/4 SRB-A SRB-A SRB-A SRB-A H-IIA SRB-A 1. 2. 3. 1. 2. 1 0.9deg/s 0.05deg/s 1. 2. -0.25 0.25deg/s 3deg/s SRB-A 1. 2. 2 SRB-A SRB-A SRB-A FTP 0.067 0.08 55.6 6.49 90 7.14 NPSH NPSH153m 235m NPSH 80m 1.2 9 2040 10 1900 NPSH NPSH FTP 0.028 LE-7A LE-7A 1. 2. 3. OTP NPSH(33.7m) 10m LE-7 OTP OTP SRB 33.7m NPSH 43.5m 1. 2. / LE-7A Restricted Shock Separation l l ü ü LE-7A 1. 2. LE-7A LE-7A NAL,ISAS FTP / NPSH 1. 2. 28 NAL/NASDA 3,647 run-to-run 1. 2. 3. 55,000rpm 69,000rpm . OTP FTP NPSH NPSH FMEA 4mm H A



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... “Мицубиси” (Япония) при испытании двигателя Le-5А с тягой 122 кН для... тракт стенда для испытаний двигателя Le-5А имеет длину более 100... двигателями LE-7 (тяга на Земле 840 кН, в пустоте 1080 кН) и LE-5A (тяга...), на котором проводилась отработка двигателя LE-5A с имитацией высотных условий на режимах...