CH / EN

LingYun Engine

Lingyun Engine

10 tons of liquid oxygen methane engine

10 tons of liquid oxygen methane engine

"LingYun" is the first liquid rocket engine launched by JiuZhou Yunjian for the commercial aerospace market. It is the first liquid engine product in the domestic aerospace field that has multiple start-ups, deep variable thrust capabilities, and supports rocket recycling and reuse. Excellent multiple starting ability and 30% -100% measured variable thrust performance, through multi-stage parallel connection can meet the launch, recovery and reuse of small liquid rockets, suitable for a variety of loads, scenarios, and in the upper stage of the rocket has a broader demand. At present, the "LingYun" engine has completed the deep variable thrust thermal test evaluation and passed the customer review.

Engine Parameters


  • Ground thrust:100kN
  • Vacuum thrust:123.5kN
  • Ground specific impulse:287.4s
  • Vacuum version specific impact:355s
  • Engine weight:248kg
  • The maximum swing angle of the engine:±8°
  • Thrust adjustment range:100%-30%
  • Ability to start multiple times in a single task:≥3
  • Single working time:≥200s
  • Repeated use times:≥30
凌云发动机
龙云发动机

LongYun Engine

Longyun Engine

LongYun 70-ton liquid oxygen methane engine

Longyun 70-ton liquid oxygen methane engine

"LongYun" is the second large thrust, recyclable liquid rocket engine launched by JiuZhou Yunjian. The "LongYun" engine has a sea-level design weight-to-weight ratio> 75, a sea level thrust of 70 tons, a vacuum version of thrust of 80 tons, and thrust adjustment. Range 30% ~ 110% At present, the "LongYun" engine has completed the gas generator thermal test evaluation and passed the customer review. It will complete the whole machine test evaluation in 2021 and will be officially launched into the aerospace market.

Engine Parameters


  • Ground thrust:686.5kN
  • Vacuum thrust:770.2N
  • Ground specific impulse:290s
  • Vacuum version specific impact:350s
  • Engine weight:≯880kg
  • The maximum swing angle of the engine:±8°
  • Thrust adjustment range:110%-30%
  • Ability to start multiple times in a single task:≥3
  • Single working time:≥200s
  • Repeated use times:≥30

Pump Valve

Rotating Machinery

The company's cryogenic centrifugal pump has two existing products, a liquid oxygen centrifugal pump with an operating temperature of about 92K, and a liquid methane centrifugal pump with an operating temperature of about 110K. Full test evaluation of various low temperature media such as media, and support Lingyun engine to successfully complete the whole machine hot test evaluation ...

 

Ultra-low temperature, high pressure valve product series

In the next 5 years, domestic petrochemical valves will be the main demand, especially the domestic demand for high-temperature and high-pressure valves, low-temperature valves and ultra-low temperature valves will increase significantly. Relying on liquid hydrogen liquid oxygen / liquid oxygen methane rocket engine technology, the company has derived a series of valve products for the high-pressure, low-temperature, ultra-low temperature civil fields, mainly including low temperature ...

Simulation Technology

Simulation Technology

In the product development process, the company makes full use of modern simulation methods to carry out research and development, and has formed capabilities in multiple simulation directions. While solving product development, it has undertaken a number of external simulation development projects to solve technical difficulties in product development for customers:


  • - Model library / knowledge base and simulation platform
  • - Simulation for control system development and testing
  • - Three-dimensional vision and system simulation
  • - Design-oriented 1D simulation
  • - Structural strength simulation
仿真技术