新一代运载火箭分离系统可靠性设计方法研究（英文）

The LM-5B carrier rocket is a new-generation large-scale launch vehicle developed for space station launch missions. Its separation system includes fairing separation, space station module-rocket separation, and booster separation. The separation systems play an important role in the design of launch vehicles, and any failure during the separation process would affect the final completion of rocket flight mission. This paper presents the reliability design and analysis for the LM-5B carrier rock...     

LM-6 Successfully Carried out Its Debut Launch

<正>At 07:01 Beijing time September 20,the newly developed LM-6 launch vehicle lifted off from the Taiyuan Satellite Launch Center,carrying a record-setting 20microsatellites into space.After over 980 seconds of flight,the LM-6 carrier rocket placed the 20 microsatellites into their preset orbits successfully.The successful first flight of China’s next-generation launch vehicle marks major breakthroughs in the critical technologies in the field of non-toxic and pollution-free launch vehicles,which is of great significance in perfecting the Chinese carrier rocket models and improves the ability to access space.This is the 210th launch of LM launch vehicle family.     

Concrete Progress Made on LM-7 Development

It was announced recently that important progress had been made on the development of the LM-7 launch vehicle. Assembly welding of the booster oxidizer tank for propulsion system test-firing, the first structural product of LM-7, has been performed at Capital Aerospace Machinery Corporation, CALT. The 2.25m diameter oxidizer tank is only 0.17cm in thinness in the thinnest area and is nearly 13m in length increased from the current 4.5m, which is the longest     

LM-5 Rehearsal Rocket Transferred to Launch Pad

<正>On November 23,2015,the combination of LM-5 launch vehicle and Chang’e 5 explorer for rehearsal was transferred to the launch pad from the vertical assembly facility.Developed by CALT,LM-5 is the new-generation non-toxic launch vehicle with the largest launch capacity.LM-5launch vehicle and Chang’e 5 explorer began rehearsal at the launch site in September,2015 to ensure the maiden flight of LM-5 a complete success and     

LM-3A—Launcher Of The Chang'e-1 Lunar Orbiter

On October 24 of 2007,a LM-3A launch vehicle took off from Xichang Satellite Launch Center,sending China's first lunar orbiter Chang'e-I on its way to the moon.The successful launch of the lunar satellite marks the third historic landmark in China's space program,following its first satellite launch in 1970 and first manned space flight in 2003.The LM-3A launch vehicle is once again worthy of its honor as a‘Gold Medal Rocket’in China.     

The Last LM-7 Booster Tank Completed Welding

<正>The last booster tank for the maiden flight of LM-7 launch vehicle has finished its welding phase and is qualified under first acceptance.By now,the welding work for 8 LM-7 storage tanks has been     

The LM-3A Launch Vehicle Made Its Successful Test Flight

On Feb.8,1994,Long March 3A,a new powerful launch vehicle developed by China,successfully launched a scientific satellite (SJ-4) with 6 detectors on it and a dummy satellite into space from Xi-chang Satellite Launch Center.Based on the LM-3,the LM-3A is designed to launch large communications satellites and has a capability of launching a 2-5-ton satellite into geosynchronous transfer orbit.The scientific satellite launched by the LM-3Ais designed for space environment monitoring and environmental effect testing     

新一代中型固液捆绑火箭技术特点（英文）

China’s first solid-liquid bundled launch vehicle, the Long March 6 A(LM-6 A) successfully adopted a number of key new technologies, launching the Pujiang 2 and Tiankun 2 satellites precisely into their predetermined orbits, thus demonstrating that China has mastered solid-liquid bundled launch vehicle technology and has a new member in the new generation launch vehicle family. For the first time in China, a booster adopted a 2 m-diameter solid motor and a 270 V, 20 k W high-voltage and high-pow...     

LM- 2E Launch Vehicle

The LM-2E,a large strap-onlaunch vehicle developed by China,represents a major achievement ofthe country in space launch technol-ogy.Many key technologies,in-cluding structural dynamics,aero-dynamics and large payload fair-ing,had been developed and usedin the LM-2E.The large capabilityand high reliability of the vehiclewere verified by the successful testflight in 1990 and the launches oftwo Aussat B communications satel-lites made by Hughes in the UnitedStates.China has been developing     

LM- 3B Launch Vehicle

LM-3B launch vehicle is a heavy three-stage liquid propellant strap-on launch vehicle, which was developed based on the mature technologies of the LM-3A and LM-2E. It not only has the highest payload capacity to send China's satellites to GTO, but is also one of the most advanced launch vehicles in the world with high reliability, reasonable price and perfect technological design. It can launch over 90% of various kinds of satellites in the international commercial satellite market.     

LM-2F: A Great Launch Vehicle for China's Manned Spaceflight

The LM-2F launch vehicle is China’s first launch carrier developed for China’s Manned Space Program, which is one of the most important parts of the Program. It is developed from the LM-2E launch vehicle, with addition of two new systems, an escape systemand a fault detection system.     

LM-11 Achieved Success in Maiden Flight

<正>A new LM-11 launch vehicle blasted off from the Jiuquan Satellite Launch Center at 9:41 Beijing time on September25,carrying Pujiang River 1 and other 3microsatellites into space.Following the separation from the rocket,4 microsatellites successfully entered into orbits.LM-11 is a 4-stage solid launch vehicle developed by the China Academy of Launch Vehicle Technology(CALT)under CASC.It is 20.8m in length weighing58 tons and has a takeoff thrust of 120tons.The payload capacity of LM-11 is up to 350kg into a 700km sun-synchro-     

LOX/Kerosene Engine,A New Space Power Era in China

<正>The launch of the LM-6 launch vehicle marks that China’s space power system has entered the non-toxic and pollution-free era.The power system of LM-6,engines for all 3 stages of the carrier rocket were developed by the Academy of Aerospace Liquid Propulsion Technology(AALPT),with the highlight of the first two stages engines.The first stage uses a120t liquid oxygen/kerosene(LOX/kerosene)engine and the second stage uses an 18t LOX/kerosene engine.The LOX/kerosene engine fills the gap of the staged combustion cycle engine in China,enabling space power to enter a new and     

LM-5 Ready for Rehearsal in the Second Half Year

<正>At 16:35 Beijing time on August 17,the second test run of the second-stage power system of LM-5 was conducted at the Beijing Institute of Aerospace Testing Technology and achieved success.By now,LM-5 has accomplished all major ground hot-fire tests and is ready for rehearsal at the Hainan launch site in the second half year,preparing for the first test flight scheduled in 2016.The LM-5 is the carrier rocket with the largest payload capacity currently developed by China,and is planned to launch the Chang’e 5 probe around 2017 from the     

LM-7 Prepares for Its Maiden Flight in 2016

<正>The LM-7 launch vehicle passed the joint review organized by CASC and CALT in June.Experts in the review team concluded that the LM-7 launch vehicle had completed the RD of the prototype phase and is able to enter flight test phase since the technical state of LM-7 for the flight test has been determined.The emphasis of the RD for the flight test phase will be put on the production,general assemble and test of the launch vehicle.     

First Storage Tank of LM-7 Was Manufactured

<正>In early July,the Capital Aerospace Machinery Corporation completed the construction of the first oxygen tank of the booster for LM-7 launch vehicle,which would be transported to the Tianjin factory of the company for integration.The booster oxygen tank is 12 meters in length.It is worth mentioning that autonomous welding was used for all the main welds,which passed X-ray inspection,     

CASC Signed First Commercial Launch Service Deal for a National Program

CASC and China Academy of Sciences (CAS) signed a contract on the development of launch vehicles for the satellite project Strategic Pioneer Program on space science on October 31 in Beijing.According to the contract, CGWIC is the general contractor to arrange the launch service and SAST is responsible for developing three LM-2D launch vehicles. It was the first time that LM launch vehicle would be used for a national program in a commercial mode. This new attempt was expected to facilitate     

INTRODUCTION OF LM-2D LAUNCH VEHICLE

OVERVIEW As a two-stage launch vehicle using storable liquid propellant (both stages PLFuse N2O4/UDMH), LM-2D is a member of Chinese Long March series launch vehicle. The LM-2D launch vehicle is developed by Shanghai Academy of Spaceflight Technology (SAST), a branch of China Aerospace Science and Technology Corporation (CASC). The LM-2D launch vehicle is mainly used to launch LEO satellites and SSO satellites. It features mature technology, high reliability, strong adaptability, and reasonable cost. As of January 2013, the LM-2D launch vehicle has conducted 18 launches placing 23 satellites into expect-     

Chang'e 5 Lunar Satellite Ready for Rehearsal with LM-5

<正>A LM-5 rocket left for the Hainan Satellite Launch Center from the Tianjin Port on September 20 to conduct a rehearsal with the Chang’e 5 lunar exploration satellite which had arrived already for the milestone system-level testing.LM-5 is a heavy lift launch vehicle with the largest thrust amongst all the LM rockets under development in China.According to the China Academy of Launch Vehicle Technology(CALT),who is responsible for the overall development of the rocket,LM-5 will conduct its first test flight in 2016.In addition,the Chang’e 5 satellite,the first third-     

LM-2C Used in SJ-9A/B Mission

At 11:25 a.m. on October 14, China successfully sent the SJ-9A/B satellites into their preset transfer orbits with one LM-2C launch vehicle from the Taiyuan Satellite Launch Center. The LM-2C launch vehicle used for the mission was manufactured by China Academy of Launch Vehicle Technology (CALT) of China Aerospace Science and Technology Corporation (CASC). The launch marked the 169th launch of the Long March series launch vehicle. The launch vehicle used for the mission differs not much from