PLAN Aircraft Carrier programme...(Closed)

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hardware

Banned Idiot
日前，关于中国首艘国产航母的消息一直被外媒热炒。中国国内近日曝光了中国国产航母将采用电磁弹射，并有一组图片。其设计师马伟明因成功研制出航母电磁弹射系统而受到中央军委的表彰。从能量消耗角度推测来看，中国未来航母显然可能会使用核动力装置。



自从辽宁舰曝光入列以来，中国弹射器的研制呼声很高。电磁弹射就是采用电磁的能量来推动被弹射的物体向外运动，过去常采用的弹射有机械弹射，如弹簧、皮筋等。能量弹射如：子弹(利用火药瞬间爆发能量)、磁悬浮列车等。








据悉，中国航母电磁弹射系统长度超过100米，使用直线感应电动机，有复杂的供电和指挥系统，其中最为关键的高效储能装置能在45秒内积聚舰载机弹射起飞所需的电能。为保证最重的舰载机起飞，弹射器需要消耗的能量大约为120兆焦，而高效储能装置最多可储存140兆焦的能量。



此时充电功率为3.1兆瓦，加上能量损失，不会超过4兆瓦。算上4套电磁弹射器以及其他系统，中国航母需要的能量最多为60兆瓦。这样算来，中国未来航母可能会使用核动力装置。


next generation of Chinese CV will use EMAL CATOBAR.according to the report 100 meter test rig was constructed and currently undergoing test.
need help a lot technical mambo jumbo.
power consumption require 120 m.j of energy,power supply could store up to 140 mj (?)
 
S

steve_rolfe

Junior Member
Sort of on topic.............there is a very interesting document on the web, about how both the US and Chinese goverments use forums such as this to, either gain a bit of extra info in the US case, or to drip feed info about there military deveolpments from China.

One may wonder why US intelligence services also scour the web for extra military info, but as report said even satellites cannot see through buildings, and everynow and then amateur photographers take pictures of miltary hardware and post them on web, which are of significant interest. I believe there was a case recently with a modern Chinese military jet (not sure which type), was actually spotted and photographed by an amateur, before US new of its official existence.
From a Chinese perspective, they drip feed info and supply pictures onto internet which are carefully censored beforehand, maybe so they dont have to continually make official announcements regularly of new projects etc.
 
H

hardware

Banned Idiot
steve_rolfe said:
Sort of on topic.............there is a very interesting document on the web, about how both the US and Chinese goverments use forums such as this to, either gain a bit of extra info in the US case, or to drip feed info about there military deveolpments from China.

One may wonder why US intelligence services also scour the web for extra military info, but as report said even satellites cannot see through buildings, and everynow and then amateur photographers take pictures of miltary hardware and post them on web, which are of significant interest. I believe there was a case recently with a modern Chinese military jet (not sure which type), was actually spotted and photographed by an amateur, before US new of its official existence.
From a Chinese perspective, they drip feed info and supply pictures onto internet which are carefully censored beforehand, maybe so they dont have to continually make official announcements regularly of new projects etc.
Click to expand...

piciture of catapult already been posted in the web.and also,this news come from from official site.
 
rhino123

rhino123

Pencil Pusher
VIP Professional
hardware said:
日前，关于中国首艘国产航母的消息一直被外媒热炒。中国国内近日曝光了中国国产航母将采用电磁弹射，并有一组图片。其设计师马伟明因成功研制出航母电磁弹射系统而受到中央军委的表彰。从能量消耗角度推测来看，中国未来航母显然可能会使用核动力装置。



自从辽宁舰曝光入列以来，中国弹射器的研制呼声很高。电磁弹射就是采用电磁的能量来推动被弹射的物体向外运动，过去常采用的弹射有机械弹射，如弹簧、皮筋等。能量弹射如：子弹(利用火药瞬间爆发能量)、磁悬浮列车等。








据悉，中国航母电磁弹射系统长度超过100米，使用直线感应电动机，有复杂的供电和指挥系统，其中最为关键的高效储能装置能在45秒内积聚舰载机弹射起飞所需的电能。为保证最重的舰载机起飞，弹射器需要消耗的能量大约为120兆焦，而高效储能装置最多可储存140兆焦的能量。



此时充电功率为3.1兆瓦，加上能量损失，不会超过4兆瓦。算上4套电磁弹射器以及其他系统，中国航母需要的能量最多为60兆瓦。这样算来，中国未来航母可能会使用核动力装置。


next generation of Chinese CV will use EMAL CATOBAR.according to the report 100 meter test rig was constructed and currently undergoing test.
need help a lot technical mambo jumbo.
power consumption require 120 m.j of energy,power supply could store up to 140 mj (?)
Click to expand...

hardware said:
piciture of catapult already been posted in the web.and also,this news come from from official site.
Click to expand...

Since you say it is official source, can you provide a link?
 
D

delft

Brigadier
I understand that Chinese allows a speaker to not express if something happens now or will happen in the future. Is that the explanation for the mentioned 36 aircraft?
Did the admiral say that it will take years before Liaoning will be operational and that he didn't say anything about the next one?
I'm handicapped, I don't know Chinese, but by now I have read a lot about the difficulties of translation.
 
N

no_name

Colonel
hardware said:
日前，关于中国首艘国产航母的消息一直被外媒热炒。中国国内近日曝光了中国国产航母将采用电磁弹射，并有一组图片。其设计师马伟明因成功研制出航母电磁弹射系统而受到中央军委的表彰。从能量消耗角度推测来看，中国未来航母显然可能会使用核动力装置。



自从辽宁舰曝光入列以来，中国弹射器的研制呼声很高。电磁弹射就是采用电磁的能量来推动被弹射的物体向外运动，过去常采用的弹射有机械弹射，如弹簧、皮筋等。能量弹射如：子弹(利用火药瞬间爆发能量)、磁悬浮列车等。








据悉，中国航母电磁弹射系统长度超过100米，使用直线感应电动机，有复杂的供电和指挥系统，其中最为关键的高效储能装置能在45秒内积聚舰载机弹射起飞所需的电能。为保证最重的舰载机起飞，弹射器需要消耗的能量大约为120兆焦，而高效储能装置最多可储存140兆焦的能量。



此时充电功率为3.1兆瓦，加上能量损失，不会超过4兆瓦。算上4套电磁弹射器以及其他系统，中国航母需要的能量最多为60兆瓦。这样算来，中国未来航母可能会使用核动力装置。



next generation of Chinese CV will use EMAL CATOBAR.according to the report 100 meter test rig was constructed and currently undergoing test.
need help a lot technical mambo jumbo.
power consumption require 120 m.j of energy,power supply could store up to 140 mj (?)
Click to expand...

Assuming what is posted is legit:

It uses linear induction motor. The energy storage mechanism can recharge within 45 seconds between each launch.
They estimated that energy usage for heaviest plane taking-off is about 120MJ (AEW plane?), whereas the energy storage device can store 140MJ

Charging power rated at 3.1MW, and not exceeding 4MW if include losses. With 4 catapults + other systems it is estimated that total of 60MW (electric?) power is needed. Nuclear propulsion may be a solution.

Weird that they use 兆瓦 for mega joule, as I though 兆 was traditionally a prefix to mean terra-, not mega-
 
Last edited:
N

no_name

Colonel
Again if assuming that this is legit it actually gives a bit of info:

New carrier likely use EM cat,
Nuclear powered
At least 4 catapult, which would imply they may make it a supercarrier.
Given the large electric power needed - an all-electric drive.
And also another thread mentioned about testing energy based CIWS on test ship soon.

If all this is true they may wait 5 years for everything to be ready before construction of such a class as the admiral said. Or they might construct an intermediate in between.
 
SinoSoldier

SinoSoldier

Colonel
no_name said:
Again if assuming that this is legit it actually gives a bit of info:

New carrier likely use EM cat,
Nuclear powered
At least 4 catapult, which would imply they may make it a supercarrier.
Given the large electric power needed - an all-electric drive.
And also another thread mentioned about testing energy based CIWS on test ship soon.

If all this is true they may wait 5 years for everything to be ready before construction of such a class as the admiral said. Or they might construct an intermediate in between.
Click to expand...

It's very likely that they are currently constructing a Type 001A while this supercarrier is still under design. Goes well with the "produce a generation, develop next generation, research future generation" scheme. It's doubtful that they will directly make the jump to a nuclear powered supercarrier with EMALS simply because it will require taking a lot of risks which the conservative PLAN is not known for doing.
 
Zool

Zool

Junior Member
SinoSoldier said:
It's very likely that they are currently constructing a Type 001A while this supercarrier is still under design. Goes well with the "produce a generation, develop next generation, research future generation" scheme. It's doubtful that they will directly make the jump to a nuclear powered supercarrier with EMALS simply because it will require taking a lot of risks which the conservative PLAN is not known for doing.
Click to expand...

Another factor to keep in mind is the PLA 5 Year Procurement Plan. The 12th iteration currently in progress runs through 2015.

It's possible the follow-on to Liaoning will fit into the 13th planning period. It would provide adequate time to finalize improvements to the design as well as allow J-15 induction & crew training to continue at a reasonable pace.

Whether or not the 13th plan will also include a new CATOBAR design (likely built as a pair) will be an interesting question to answer. However my expectation is the CVN will not begin until sometime during the 14th FYP.

Cheers,
Zool
 
rhino123

rhino123

Pencil Pusher
VIP Professional
hardware said:
日前，关于中国首艘国产航母的消息一直被外媒热炒。中国国内近日曝光了中国国产航母将采用电磁弹射，并有一组图片。其设计师马伟明因成功研制出航母电磁弹射系统而受到中央军委的表彰。从能量消耗角度推测来看，中国未来航母显然可能会使用核动力装置。



自从辽宁舰曝光入列以来，中国弹射器的研制呼声很高。电磁弹射就是采用电磁的能量来推动被弹射的物体向外运动，过去常采用的弹射有机械弹射，如弹簧、皮筋等。能量弹射如：子弹(利用火药瞬间爆发能量)、磁悬浮列车等。








据悉，中国航母电磁弹射系统长度超过100米，使用直线感应电动机，有复杂的供电和指挥系统，其中最为关键的高效储能装置能在45秒内积聚舰载机弹射起飞所需的电能。为保证最重的舰载机起飞，弹射器需要消耗的能量大约为120兆焦，而高效储能装置最多可储存140兆焦的能量。



此时充电功率为3.1兆瓦，加上能量损失，不会超过4兆瓦。算上4套电磁弹射器以及其他系统，中国航母需要的能量最多为60兆瓦。这样算来，中国未来航母可能会使用核动力装置。


next generation of Chinese CV will use EMAL CATOBAR.according to the report 100 meter test rig was constructed and currently undergoing test.
need help a lot technical mambo jumbo.
power consumption require 120 m.j of energy,power supply could store up to 140 mj (?)
Click to expand...

hardware said:
piciture of catapult already been posted in the web.and also,this news come from from official site.
Click to expand...

I never knew
Please, Log in or Register to view URLs content!
is an official site. Official site of what? Obviously the Chinese PLAN didn't release any information. And the supposedly 'official' news site such as the xinwen123.gov.cn only repost (and they did claim that) what Qianzhan had posted.

Please, Log in or Register to view URLs content!
(this is where the news are taken from)

So there. If anyone would want to believe that piece of so-call official announcement, it is up to them. I would take that with a large jug of salt.
 
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