Chinese Engine Development

Blitzo

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I respectfully note that siege said nothing about visual evidence; he referred to sound only.

Oh I thought that was more of a figure of speech.

If it's literal, then fair enough, though that would also depend on us having a clear understanding of what the current engine noise is like (unless the VCEs are just *that* distinctive)
 

MeiouHades

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Take with a mountain of salt right now but I’ve read some reasonably reliable rumors that VCE progress is ahead of the schedule. Can’t wait till TWZ catches wind of this a couple of years down the road :).

Specifically it boils down to whether J-36 will even use WS-15 as an interim when it LRIPs.
At this rate the WS-15 will have the same as its American counterpart, the F119, only being used on a single platform and nowhere else.
 

ACuriousPLAFan

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At this rate the WS-15 will have the same as its American counterpart, the F119, only being used on a single platform and nowhere else.

The WS-15 can certainly be used on future iterations/developments of the more advanced UADFs once the production of the J-20 family is terminated (which won't happen before the early-2030s).

In addition, should the PLAN holds reservations about the VCE/ACE's reliability for powering the carrier-based J-XDT in saltwater environments, then the WS-15 would still see new users in the manned aircraft domain, at least for a period of time (similar to as of current, how the J-35 uses WS-21 instead of WS-19 and how the J-15T/DT uses AL-31 instead of WS-10H).

On the second point.- Across the lake, recall that the USN did mention something similar regarding engine choices for their F/A-XX sometime ago. So there's that.
 
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sunnymaxi

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If anyone's got a CNKI account can you access 机动飞行下考虑主轴承损伤的轴承载荷仿真 and 航空发动机地面台架试车性能评估与故障诊断方法研究?

I heard these are related to an engine in the cusp of entering service...
which specific Engine you are talking about ?
 

tphuang

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Good article here on the engineering behind China's first 3D printed turbofan engine that completed ground testing recently.

Uses SLM & DDI laser. Performance of 3D printed components meets that of forged ones for Ti, Al & super alloys. In terms of fatigue strength, 20-30% better than traditional powder bed fusion. Uses 640mm model with 8-beam configurtion for 650x650x720mm area printing. For this project, uses 40% fewer parts than traditional turbofan engine & 20-30% lighter. 西空智造 uses forge + print tech to overcome challenges in manufacturing dynamic copmonents such as blades, turbines & rotors.
 

zhangshiqin

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If I recall correctly, sometime ago, one of the big shrimps (either on Weibo or Twitter) retorted against a comment to a post that the US is ahead of China in ACE/VCE development for the 6th-gens with the "The US hasn't even started high-altitude engine test bench trials with their VCE/ACE meant for the F-47" reply (or something of similar effect).

And recall that we've seen those VCE/ACE slides by CAS from November last year (where high-altitude test bench trials have already been completed, and their VCE/ACE isn't even meant for the J-36 and the J-XDS/50) - I think China's VCE/ACE development progress is getting somewhere encouraging (at the same pace as the VCE/ACE from CAS, at least).
ACE may have gradually matured. a standalone continuous detonation engine or an improved ACE that replaces the main combustion chamber or afterburner with a continuous detonation combustion chamber (further significantly reducing fuel consumption)
 
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sunnymaxi

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ACE may have gradually matured. a standalone continuous detonation engine or an improved ACE that replaces the main combustion chamber or afterburner with a continuous detonation combustion chamber (further significantly reducing fuel consumption)
i have already seen your original message. its good you removed it. be careful next time.

heavy investment in next generation propulsion now started to bear fruit.
 
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