The Military-industrial Scientific Research System of the Academic Master Chapter 855

Chapter 855 Patent Technology Cooperation

“New medium-range missile…”

Chang Haonan naturally knew that Lin Qing was referring to Hai Hongqi16.

That is, the model after the technological introduction and upgrade of the modern-level 9M38 anti-aircraft missile—

It is different from the expectations of many melon-eating people at this time.

China's introduction of the 956 destroyer is not, or at least not primarily, for anti-ship capabilities.

8 anti-ship missiles with a range of less than 150 kilometers cannot pose any threat to the enemy fleet unless they are in special terrain.

Instead, they are interested in the air defense system it carries.

Although the 9K37 air defense system is a mid-to-low-end model in the Red Navy series, for the Chinese Navy from the late 1990s to the early 21st century, an air defense system with sufficient ammunition, a range beyond visual range, and the ability to deal with multiple targets at a time Missiles are already the "mainstay of fleet air defense".

However, if you count the time.

In February this year, the first modern-class ship introduced by China officially returned to China and entered the fleet.

The design plan of 054 had been frozen half a year before that.

But from what the other party said just now, it seems that the replacement of new missiles has already been considered?

Of course, Lin Qing next to him didn't know what Chang Haonan was thinking about. He just saw the latter lowering his head and looking confused. Naturally, he thought that as an aviation technology expert, he had never heard of medium-range anti-aircraft missiles, so he took a step forward. explained:

"A few years ago, when we went to negotiate with Russia about the introduction of Type 956 destroyers, the Northern Design Bureau probably also wanted to refer to the cooperation between your... um... their aviation industry and the Sukhoi Group, and came up with an upgraded version of the 956U The plan is to replace the AK130 naval gun at the back with three groups of 3S14 vertical launchers.”

“The delegation's judgment at that time was that the new Russian-made ships might not be reliable, and the plan had to be changed a lot, and it would take extra time to perfect. We couldn't afford to wait, so we didn't agree in the end and just bought two ships. The 956 is a semi-finished product, and the purchase rights for the other two are reserved.”

"But later we felt that although the warship itself was not very good, the vertically launched 9M38 anti-aircraft missile solution was quite good, so after returning to China, on the one hand, we advanced the timetable for the introduction of the 9M38 missile, and on the other hand, we also began to plan new types of hot and cold missiles. The total depth of the vertical launch system is about 6 meters. For this purpose, the 054 has also made a modification to the deck structure of the bow, leaving a total of about 6.5 meters of space on the three decks. "

Speaking of this, Lin Qing raised his finger and pointed at the launch boxes of the 3K95s:

“Otherwise, just to install such a small thing, there is no need to open up the second deck, or even move the entire hanging hair to the deck...”

Chang Haonan probably compared the hanging hair in front of him with the frigate he just saw.

It was found that the size of 3K95 can indeed penetrate only the first deck without affecting the inner space of the ship below.

It is quite suitable to be installed in the corners of some large ships wherever possible, serving as an ecological niche similar to the future sea sparrow.

That is, it is between a serious medium-range air defense missile and a single-channel lightweight air defense missile that can only be used for terminal close defense and is essentially equivalent to a close-range anti-aircraft gun upgrade.

“So... after the new air defense system is finalized, the 054 can replace the 3K95 with a new vertical hair without moving the hull at all?”

Chang Haonanxin said: Doesn't this realize the modular function of warships that Americans still draw on PPT ahead of schedule?

But Lin Qing still shook his head:

“If you want to replace the 054 that has already been built, you still have to move it, at least remove the counterweight left underneath.”

“But if a new ship is upgraded, there is basically no need to go through the design process again.”

“It's just that we haven't thought about it yet. We will dismantle all six groups of 3K95 and keep two groups for short-range point air defense..."

Chang Haonan didn't ask any more about the hair loss issue.

On the one hand, vertical development is more important than specific technical research, but the route selection is more important.

Hairlocks of different types and sizes are not superior or inferior in principle, as long as they can adapt to the development route of the country's navy's shipborne weapons, it is good.

On the other hand, China's vertical launch system developed relatively smoothly in the last generation, and now that the Russian-made revolver launch system has been replaced by a launch box, the one on the 052C that was greatly affected by the S300F is obviously not The H/AJK03 vertical hair, which has a revolver structure but is still designed with a circular platoon, should also go in a relatively "normal" direction.

In this case, there is no need for him to allocate his already scarce time and energy to this.

After visiting the frigate, Wu Wentao took Chang Haonan and his party to visit other areas of the Hudong Shipyard and the factory history museum.

But these parts are purely routine for welcoming guests.

It's really not very attractive.

Of course Wu Wentao also knows this.

So after going through the motions, Chang Haonan and the others were sent back to their residence in the name of "arranging a rest."

The signing ceremony was arranged together with the dinner the next day.

In the auditorium of Hudong Shipyard.

In addition to representatives of the aerospace power group and the shipbuilding industry, also attending the ceremony was Karim Chapo, a technical representative sent by the French GTT Group. At the very beginning, Hudong Shipyard actually had the idea of loading the Gas-Transport cargo tank separately.

However, if it really comes to this point, it will basically be a lose-lose situation for both Hudong and GTT.

So when it was time to get started, GTT chose to join the project and provide relevant technologies in cargo tank design for the first LNG ship produced by Huaxia.

After all, for GTT, which holds more than 90% of the patents related to membrane cargo tanks, this can be regarded as a supplement and cover for the more radical Technigaz technology.

Anyway, everyone knows that as long as this ship can be built, even if it is less economical, China's own oil and gas company will take over.

Even if you don't make a profit, you are unlikely to lose money.

The ceremony itself is quite brief.

First, the three companies sent people to give speeches respectively. Among them, only Karim Shapo took a little longer because he reviewed the development history of GTT Group and promoted the huge advantages of membrane cargo tanks compared with other technical routes. , the remaining two sides were completed within five minutes.

Immediately afterwards, amid ribbons and cheers, representatives of the three parties signed a cooperation agreement in triplicate.

Then, the three shook hands with each other and drank champagne together.

“Although from a commercial perspective, we at GTT Group are not very optimistic about the prospects of Gas-Transport cargo tanks, we still wish our project all the best.”

Karim Shapo held the wine glass and clinked it with Wu Wenhao and Chang Haonan respectively:

“Furthermore, from my standpoint as an engineer, it is your first time to come into contact with the complete construction process of an LNG ship, so it is indeed more appropriate to choose a relatively conservative technical route.”

“Believe me, Mr. Chapeau.”

Chang Haonan replied:

“Technological conservatism does not necessarily mean backwardness.”

“My colleagues have calculated that as long as the efficiency of the boil-off gas reliquefaction system is high enough, the cost of the Gas-Transport cargo tank in terms of size and weight can be compensated, and it will have additional advantages in terms of safety ”

"Um…"

Karim Shapo pondered for a moment, obviously having reservations about Chang Haonan's opinion.

But it was a celebration after all, so he didn't say it very directly. He just answered from a technical point of view:

“But I have seen the boil-off gas reliquefaction scheme you proposed. It will have an impact on the hull structure. In order to truly offset the economic disadvantages of Gas-Transport cargo tanks, at least a system with a reliquefaction level of 85% is needed.”

Boil-off gas is the main loss of LNG during transportation, so GTT has been conducting research in this area for a long time.

As a core technical staff member, Karim is naturally familiar with these data.

But so far, the main idea of GTT is still to give full play to its own strengths, start from the source, and reduce the amount of leakage as much as possible.

But this kind of thinking has its limits after all.

At the level of Gas-Transport and Technigaz technology, it is already difficult to continue to advance.

Hence, the reliquefaction system will definitely be the focus of the next step of research and development.

This is another reason why GTT chose to join this project in the end - whether the Hudong factory can succeed or not, it can be regarded as a useful attempt.

“Anyway, at least there is a way forward, isn't it?”

Chang Haonan just smiled and did not explain more.

Karim currently only knows that China plans to apply a reliquefaction system on this LNG ship, but he still knows nothing about the equipment status monitoring and automatic fault diagnosis technology provided by Torch Group.

So...Chang Haonan thought it would be better to let the other party know later.

First of all, you can give the other party a huge surprise (scare) when the time comes.

Secondly, the relationship between GTT and Japanese and Korean companies such as Samsung Offshore and Oshima Shipbuilding is quite close. Even if Karim had no subjective intention, it would be difficult to keep it completely confidential from his colleagues.

That's why it's essential to be on guard against others.

especially.

ˆAccording to his experience before his rebirth, Koreans have a bad record in this regard.

“That's true…”

Of course, Karim didn't know that he was still in the dark, so he just clinked glasses with Chang Haonan again.

Then drink the champagne inside.

(End of this chapter)

Chapter end

Report