Chapter 1217 We Are Not Joking

Magnetohydrodynamic power generation is not a new term coined by Chang Haonan himself.

In fact, this concept originated quite early, and can even be traced back to Michael Faraday, the founder of electrodynamics.

The first patent for magnetohydrodynamic power generation was also obtained in the United States in 1910.

then……

There's no after that.

Although the theory is very complete, in the nearly century that followed, humans have not been able to master the reliable technical means to produce high-speed plasma.

It was not until the beginning of the 21st century that humans built their first practical magnetohydrodynamic power generation verification device.

Although it is called a device, in fact, due to the limitations of the strength and speed of the magnetic fluid, its scale and power generation capacity are still very small.

Closer to some kind of toy.

If it were just that, it would be fine.

After all, it was the first time that humans achieved nuclear power generation, but the power was still not enough to light a light bulb.

The point is that there seems to be no prospect of further breakthroughs any time soon.

In short, even within the industry, it did not cause much waves.

So after hearing Chang Haonan's answer, Jiang Zongli did not immediately think about the application.

Instead, we start thinking about how to weaken this effect:

"So, as long as the magnetic fluid stops cutting the magnetic flux lines, no induced potential will be generated?"

This is exactly what Chang Haonan meant by his proposal just now:

"Yes."

He nodded:

"The magnetic field of the equipment and the geomagnetic field are roughly horizontal to the ground and run in an east-west direction, so there will be no problems with the normal operation of the wind tunnel... But after adding the gas circulation facility, the flow direction of the magnetic fluid will change, resulting in a loss of some energy..."

"In fact, simply losing energy is not a big deal. I am worried that the gas flow rate you created is too fast, and the induced potential difference is too large, which may pose a risk to the equipment itself..."

The last sentence was clearly spoken in a joking tone.

Not to mention the total airflow temperature of 8000K, even if the airflow temperature really reaches 8000K, it is not enough to completely ionize the working fluid gas mainly composed of nitrogen and oxygen, and it is even more impossible to achieve the electrical conductivity of 106S/m like solid metal.

If it were really that easy to create danger, magnetohydrodynamic power generation technology would not have been ignored for decades.

What's more, the wind tunnel itself is installed in a strictly grounded manner, so even if there is a voltage of several hundred or thousands of volts, it will not really damage the equipment itself.

Jiang Zonglin on the other end of the phone could naturally hear it, and immediately laughed heartily:

"Don't worry, Mr. Chang. After each test, we will conduct a comprehensive inspection of the structural safety of the equipment to ensure that all risks are nipped in the bud!"

"Well, I'll be waiting for your good news!"

The JF14 wind tunnel is the top priority of the Institute of Mechanics' current work, so Chang Haonan did not talk too much about other things with Jiang Zonglin. He ended the call after giving him some routine encouragement.

But after hanging up the receiver, he immediately took out a notebook from the drawer on the right side of his desk.

The leather cover has shown many signs of aging, and the sides of the book have been almost completely dyed black due to frequent flipping.

It is not difficult to see that it has been used for quite some time.

This was purchased by Chang Haonan from a stationery store in Beijing University of Aeronautics and Astronautics shortly after his rebirth.

Used to record some inspirations or ideas that are not yet available for research and development but will be useful in the future.

He opened the notebook and wrote a heading on the top of a blank page:

Detonation-driven magnetohydrodynamic power generation——

At least 90% of the difficulty of magnetohydrodynamic power generation comes from how to generate high-energy airflow with sufficient speed and conductivity.

The detonation drive technology derived from ultra-high-speed wind tunnels can meet this requirement.

Of course, it can only produce a moment of no more than 0.01 seconds.

It is a pipe dream to want to use it on normal power generation equipment.

But what if...it happens to be a pulse power supply?

Currently, the most important pulse power supply is a capacitor power supply that stores energy in the form of an electric field.

However, electric field energy storage has extremely high performance requirements for high-power intermediate energy storage components, which often have extremely exaggerated size and cost.

Taking the capacitor pulse power supply as an example, if you want to achieve an energy storage capacity of more than 100MJ, the capacitor alone will have an astonishing volume of about 100 cubic meters.

And it’s growing exponentially.

As for mechanical means such as flywheel energy storage and gravity energy storage, due to the problem of conversion efficiency, the upper limit is too low and they are often more suitable for steady-state power supplies.

However, there is no need for high-power switches, no rotating parts, and the magnetohydrodynamic generator can directly transfer energy to the load, so there is no need to worry about these aspects.

It can be used in situations where it is inconvenient to use capacitor/inductor energy storage...

Chang Haonan wrote quickly and soon filled up an entire page of his notebook.

After stopping to think for a moment, he added four asterisks at the bottom.

Priority four stars.

That is, we will not start research and development for the moment, but will immediately invest resources in it once objective conditions allow...

……

Just as Chang Haonan was writing furiously.

A few hundred meters away is the Gaofa factory.

A row of four Coaster minibuses rushed in, led by two small cars, and finally stopped in front of a workshop door.

Originally, this should be the loading and unloading area for raw materials and products. Under normal circumstances, passenger vehicles are not allowed to stay here to avoid affecting operational efficiency or even causing danger.

But today's situation is obviously not ordinary.

Almost at the same time as the convoy stopped one after another, a team of about thirty people walked out of a workshop not far away.

The two people in the middle of the crowd were Ren Bingda, deputy general manager of Gaofa Group, who obviously appeared as the representative of the host.

The other had a white face and a pass hanging around his neck.

None other than Tim Purdy from Rolls-Royce.

To some extent, I am an old acquaintance of Ren Bingda.

Today's visit was specially arranged by the latter.

In fact, about half a year ago, Bodi received a request from his immediate superior to contact China regarding the next stage of aviation engine emission standards.

But on the other hand, after the crisis of Trent 900 ended, Bodie, or the entire Rolls-Royce company, also restored the traditional efficiency of the British.

On the other hand, Bodie had just taken over the Next Generation Medium Thrust Turbofan Engine (NGME) project. As it was his first time as the team leader, he did not have time to understand many situations and was unable to leave for a while.

So it wasn't until now, almost the end of the third quarter of 2005, that this trip was finally made.

Fortunately, after China issued that harshly worded press release, it has not made any public statements on the issue of aviation emissions.

It seems to have really verified the previous speculation that the propaganda article was intended to cooperate with the public opinion offensive against the United States at the IPCC conference.

At least in Bodi's opinion, he should not have missed anything.

Especially after arriving in Haojing this time, Ren Bingda, who was in charge of the reception, changed his previous aggressive style in the UK and received him with extremely high standards.

We even arranged a visit to one of the core production workshops of Gaofa Group.

That is the place where the turbine blades for the Trent 900 are processed.

Although this cursory inspection does not allow us to see anything, and many of the core processes have obviously been temporarily suspended.

But allowing him in is itself a gesture of friendship and mutual trust.

In short, Bodi's mentality at this time was still quite relaxed.

"Ren, although our cooperation has lasted for several years, this is the first time I have seen your production process with my own eyes. To be honest, it is very unexpected..."

After getting in the car, Bodi gave a very sincere compliment on the trip.

"Where."

Ren Bingda then sat down opposite him and waved his hand modestly:

“Compared to established companies like yours, there is still a lot to learn.”

This is not entirely polite.

As the level of Gaofa Group has been continuously improving in recent years, especially after the AE1500/WS20 project was launched, he has increasingly felt that although China has many unique skills in the field of aeroengine technology, there is still a lot of room for improvement in the accumulation of hard power, especially in the fields of production and management.

Including this meeting with Bodi, it was also in accordance with Chang Haonan’s previous arrangements, striving for cooperation with Rolls-Royce to further fill the gaps in entering the civil aviation engine industry.

After some pleasantries, Bodi couldn't stand Ren Bingda's constant evasiveness and got to the point first:

"Ren, I remember you released a news release at the beginning of the year, saying that based on the CAEP6 emission standards, you would reduce cruising fuel consumption by 8% and exhaust emissions by 16% to 30%?"

Because he had just judged that the Chinese side was most likely bluffing, so he only brought it up in a casual tone.

But after hearing this, Ren Bingda first smiled, then nodded very solemnly:

"Yes."