Chinese Engine Development

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kurutoga

Junior Member
Registered Member
siegecrossbow said:
It can’t be detonation engine or scram jet since they don’t generate enough electrical power.
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There was some news before about "ram-rotor detonation engine (RRDE)" which has a rotor and axel

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From that article:

"
The RRDE works by using a spinning rotor with blades in a stationary casing. The blades—which are distributed evenly—handle the compression, detonation combustion, and expansion in the channel between them. According to New Atlas, this allows the engine to achieve “higher thermodynamic efficiency by capitalizing on the extreme pressures and temperatures of detonation in a way no traditional ramjet engine can.”
"
 
G

GulfLander

Senior Member
Registered Member
"China Aerospace Science and Technology Corporation (CASC) carried out a total of five rocket engine tests in Beijing and Laiyuan County, north China's Hebei Province on Thursday, laying a solid foundation for the implementation of major aerospace projects later this year."

 
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interestedseal

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Next gen Rare earth TaO4 thermal barrier coating able to withstand 1600C temperature, claimed to be worlds first TBC of such high temp. TBC permits temperature higher than melting point of the underlying metal.
Essentially turbine blade=superalloy casting+hollow air channels+TBC
 
by78

by78

General
by78 said:
A better image of that megawatt-class hydrogen turboshaft.

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China's first megawatt-class hydrogen turboshaft has successfully completed a 60-hour endurance test.

近日，中国航发自主研制的国内首台兆瓦级氢燃料涡桨发动机完成60小时持久摸底试验，试验中发动机性能稳定、参数正常。该型兆瓦级氢燃料涡桨发动机是在已有发动机基础上进行氢燃料适应性技术改进的一款100%燃氢的涡桨发动机，具有燃料来源广泛、应用场景丰富、排放清洁低碳等优势，可满足多用途涡桨支线通勤飞机在客货运输、海洋监测、空投伞降、地质勘探、医疗救护等方面的需求...
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The first domestic megawatt-class hydrogen-fueled turboprop engine completed a 60-hour endurance test; Recently, the first domestic megawatt-class hydrogen-fueled turboprop engine independently developed by China Aviation Industry Corporation completed a 60-hour endurance test. During the test, the engine performance was stable and the parameters were normal. This type of megawatt-class hydrogen-fueled turboprop engine is a 100% hydrogen-fueled turboprop engine that has been improved with hydrogen fuel adaptability technology on the basis of existing engines. It has the advantages of a wide range of fuel sources, rich application scenarios, and clean and low-carbon emissions. It can meet the needs of multi-purpose turboprop regional commuter aircraft in passenger and cargo transportation, ocean monitoring, airdrops and parachuting, geological exploration, medical rescue, etc.
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Blitzo

Blitzo

Lieutenant General
Staff member
Super Moderator
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by78 said:
According to AECC's official Weibo account, China's first fully 3D printed aero engine (a turbojet with 160kg-thrust) has passed compressor performance assessment.

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160kg thrust would be quite appropriate for something like a MALD class or SPEAR-3 class type of payload, which use a TJ-150 engine with similar thrust rating (337lbs)
 
sunnymaxi

sunnymaxi

Major
Registered Member
tphuang said:
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I'm actually impressed by this. 3D printed aero engine theoretically should be able to be mass produced more cheaply.
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the biggest accomplishment is ''additively manufactured'' components. this is next generation manufacturing process for precision parts in Aero engine industry. this shows what AECC is doing here. they started to use this process in wide range of products.

General Electrics recently started to use this process in commercial Engines.

CJ-1000A combustor parts have 3D printed and combustion chamber adopts annular chamber and equipped with additively manufactured lean premixed fuel nozzle.
 
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