Chapter 169 Sensor, maybe just wait (3k)
Gao Zhendong cleared his throat: "There are two types of smoke, one is to cover the sighting system of ordinary weapons, and the other is to cover the red As for the external sight equipment, the latter is very troublesome. At this stage, it cannot be solved for the time being, so we will not consider it for the time being.”
Most people nodded. Most people know this. Penetrating smoke, while visible light is more difficult.
This is not to say that the penetrating ability of infrared is stronger than that of visible light, but that infrared has a long wavelength and has strong diffraction ability in the fine particles of smoke. After processes such as diffraction, refraction and reflection, the attenuation is smaller than that of visible light. Of course, It’s not that the longer the wavelength, the better. The ability to penetrate smoke, long-wave infrared is obviously inferior to short-wave infrared and near-infrared.
In short, there is always a section of the infrared band that can pass through all kinds of smoke, and the infrared rays emitted by everyday objects have quite a full range of wavelengths, so there is always a certain band of infrared rays that can pass through and be captured. arrive.
Smoke that can basically completely block infrared rays in the entire band, I saw some claims to have done it before Gao Zhendong traveled through it, but the actual effect is not clear. Anyway, in this era, there is basically no need to consider it.
“Blocking visible light is easier to handle. Anyway, daily smoke will do. It just needs to meet two conditions: simple and easy to use, and flexible to use. Think about it, how to do these two "Point?"
Gao Zhendong did not give a direct answer, but asked everyone to think that they were resting anyway and had time.
“Bring a smoke canister?”
“Smoke canisters are disposable, so you can’t tie a bunch of smoke canisters to a tank.”
"The directivity of the smoke canister is not very good. If it blows in the wind, it may not guarantee the formation of smoke in the predetermined direction."
"It doesn't matter if the directivity is not good. It is used for cover, so there is no need to do that. Accurate."
"Get some smoke bombs?"
"Smoke bombs seem to be OK, but will they occupy the number of artillery shells? The caliber of tank guns is getting larger and larger. I can no longer carry so much ammunition.”
“Smoke bombs are not enough. In addition to squeezing out the number of shells, planned use is okay. If we say that the use is flexible, I am afraid it cannot be achieved. From the decision to use to loading and firing. , it’s too long.”
"One smoke bomb doesn't cover the angle enough. How many of them? That's a bit of a joke. Hit them one by one and hit them until the end of the year. The rear ones will fall apart before the front ones are hit."
"Well, yes. Think about it again. ”
“.”
Everyone thought of many ways, but in the end no one was more comprehensive.
So everyone turned their attention to Gao Zhendong.
Gao Zhendong said: "Everyone has thought well just now. There are some ideas that are very close to my ideas. I will also come up with two of my ideas and let's add them together."
Two? It is indeed Director Gao's style.
To increase the power of the artillery, he proposed electroslag remelting and self-tightening of the barrel.
To improve armor defense, he took out composite armor and explosive anti-armor.
To solve the problem of fire extinguishing and explosion suppression, there are thermocouples and electromagnetic wave signal detection.
As if he felt uncomfortable if he didn't come up with two solutions to a problem, everyone was all ears.
“The first one is to use the tank’s own resources, diesel.”
Huh? diesel fuel? Everyone knows about diesel. Due to the tactical requirements such as high torque, most tanks use diesel in this era. Of course, gasoline was also used in the past, such as the Sherman, nicknamed "Lighter" by Citigroup's own people. Although there are There are many advantages, but only the wrong name, not the wrong nickname.
But what does diesel have to do with smog.
Looking at everyone's puzzled looks, Gao Zhendong smiled and said: "Diesel is not flammable, which is its advantage. So you can give it a try, take a heated iron plate, drop some diesel on it, You know what I’m talking about.”
A researcher reacted first: "Mr. Gao, do you mean to directly heat the diesel to generate smoke?"
"Hey, it's kind of interesting. This is another way to use a smoke can, and it's better than The smoke canister is convenient and there is no problem with the number of uses. If you spray it in a hot place, it will naturally produce a lot of smoke. "
"Where to spray it?"
< br>Gao Zhendong pointed to the rear of a tank next to him: "The exhaust pipe, together with the tropical spray, is dry at the same time, and the pressure of the exhaust pipe is high, so there is no need to worry about smoke being sucked into the engine." Everyone thought carefully. Thinking about it, they all applauded it, it is simple, convenient and low cost. Seeing this, Gao Zhendong quickly waved his hand: "No need to praise me, this is just a way to show off your cleverness."
Mr. Guan smiled and said: "Vice President Gao, you don't have to be humble. Anyway, you were the first to show off this cleverness. Haha, as long as it can solve the problem."
Speaking of this, he remembered what Gao Zhendong just said. : "There is another way?"
Gao Zhendong smiled: "The other way, Mr. Guan, you just said it, is that the tank comes with smoke bombs."
"I am I've said it before, but it was also discussed just now. It's not that good."
"Why do you have to use a cannon to launch it? Install two sets of smoke grenade launchers on both sides of the turret, and fix the launch angle in advance, so that it can be fired inside the vehicle. As soon as you press the button, the smoke bomb will naturally form a smoke screen according to the preset angle. ”
When Mr. Guan heard this, he thought this was a good idea. There was no need to adjust the angle. He applauded: "Yes, Mr. Gao is a good name. Smoke bombs are not smoke bombs. They form a smoke screen, not a simple smoke. These two groups Smoke grenades are facing the direction of the tank's attack, which is also the main direction of enemy fire. It can be used once or twice during an assault by a tank. "
Everyone was shocked when they heard this. I think these two methods are good. They don't increase the cost much, but they effectively improve the tank's survivability on the battlefield.
Mr. Guan, satisfied with having another handful of wool, arranged for relevant personnel to deepen these two ideas and continued to take Gao Zhendong around.
At this time, Gao Zhendong thought of the person who was responsible for fire extinguishing and explosion suppression, and asked: "Mr. Guan, how is the fire extinguishing and explosion suppressing system doing now?"
Speaking of this, Mr. Guan Ye was happy, this was also a matter on his territory: "Well, I really want to thank Director Gao. You made suggestions and coordinated with your factory to produce a batch of special even silk. After they came back, they followed Qian's suggestions. After many repeated trials, a more suitable thickness was finally selected, and now the response speed of the thermocouple is controlled on the order of tens of milliseconds.”
The reaction speed of the thermocouple is tens of milliseconds, which does not mean that the reaction speed of the entire system is as short as tens of milliseconds.
Gao Zhendong smiled and said: "I just made some suggestions. The main tests were done by your comrades themselves."
Mr. Guan shook his head: "Your suggestions are more important than the subsequent tests. It’s not that our comrades can’t walk, but they don’t know which way to go.”
“It should be no problem to put out the fire now, right?” Gao Zhendong asked. If he knew how to suppress the explosion, it might be possible. Still a little exhausted.
Mr. Guan nodded: "Basically, as you said, automatic fire extinguishing is no problem at all. Explosion suppression depends on luck. Although we have tried our best to arrange the thermocouples, if the penetration point is away from the sensor If it is far away, it probably only has the ability to extinguish fire automatically. If it is close, it can barely be said to be explosion suppression.”
"Well, to achieve explosion suppression, it's still too late to wait until the moment of imminence. This thermocouple is the eyebrow. You still have to rely on observation, but the current infrared detection is still not that mature, but the principle can be developed first."
< br>Speaking of this, Mr. Guan became very excited. After all, this really achieved the level of 'explosion suppression': "I really have to thank you. You recommended them to the Institute of Guidance and Research. They were also very supportive and supportive. We have tried the infrared sensor. In terms of response speed, it can really act upon seeing an open fire. It is very efficient. The fire extinguishing agent you mentioned is also very effective.”
Gao Zhendong said with a smile. Among these fire extinguishing agents, if any, bromotrifluoromethane is better. ”
Bromotrifluoromethane, Halon 1301, is one of the latest halon fire extinguishing agents to be replaced. , the main reason is that safety and fire extinguishing efficiency are very good, and the main reason for being replaced is not poor overall performance, but mainly environmental reasons. This thing will destroy the ozone layer.
Mr. Guan wrote down Gao Zhendong’s words in his mind and talked about the problem: “It’s just that the sensitivity of lead sulfide is indeed poor. Unlike missiles in our tanks, it can be refrigerated only once. It must be refrigerated continuously. This is It’s very troublesome. In addition, false triggering is more serious, and strong sunlight or even light may cause burnout.”
If sunlight can be solved to some extent by the installation location and orientation, then the lighting is really a headache.
“There is this problem, so I also said at the time that this technology is not yet mature, but this is the best development direction. Let’s study the principles first and figure out the system. As for the sensors, let’s wait. , maybe just wait." Gao Zhendong comforted himself, thinking about the line-scan infrared thermal imaging camera he had extracted and the single crystal furnace he was working on.
To be truly reliable, you cannot rely on infrared alone. You must rely on infrared and ultraviolet dual colors.
Hearing Gao Zhendong's unclear but yet vague words, Mr. Guan's eyes lit up, but he held it back very well.
Mr. Gao only said so much, so I can only say so much for the time being. Isn't it just the confidentiality rules? I'm familiar with it.
In fact, what he didn't know was that the reason why Gao Zhendong was vague was actually because it was not yet easy to grasp the progress of the technical sub-projects related to the line scanning thermal imaging camera in his hand.
Just as he was talking, he heard a soft "bang" in an open testing field in front of him, and then a burst of "squeaking" sound.
Mr. Guan pointed in that direction: "Haha, as I said, this is the test site for fire extinguishing and explosion suppression. Considering the fire extinguishing agent, it is usually tested in an open field. Come on, let's take a look. "
The two walked over, and Liu Wenwu saw them and came up to them: "Mr. Gao, Mr. Guan, you are here to inspect the work, haha"
Mr. Guan laughed. : "Yes, yes, come on, report, how is the situation?"
(End of this chapter)