How can this ceramic engine run on all available fuels on the market without any modifications to the engine? O Buddha who sells cakes, this news ...... That one...... It's a bit too shocking, even though alcohol and kerosene aren't very good on the market.

"What if you burn it alcohol? What is the level of exhaust emissions of this engine? Also, does burning alcohol have any effect on the power performance of the engine? Zhang Lan swallowed her saliva and asked cautiously, looking nervous, quite ridiculous.

Burning the worst diesel and gasoline is so awesome, but what if it's the purest fuel to burn: alcohol? What will it look like? Zhang Lan is looking forward to knowing this answer.

"If you burn it with alcohol, then its harmful gas emissions will be infinitely close to zero!" Hearing Zhang Lan ask, Xie Fei's tone was as firm as a categorical one, "Unlike fossil fuels such as petroleum, which contain a lot of harmful components, alcohol is the cleanest fuel. The residue of alcohol combustion is only carbon dioxide and water, and the nitrogen oxides, hydrocarbons, carbon monoxide, sulfur dioxide and suspended particles produced after the combustion of gasoline and diesel are completely absent from alcohol! The emission products after burning alcohol are almost the components of the atmosphere, not to mention the pollution of the environment at all, and even the more cars that use alcohol fuel, it can also increase the air humidity of the atmosphere to a certain extent. \\/\”

If there is more carbon dioxide in the air, it will increase the trend of global warming, right? Zhang Lan muttered in her heart, and after thinking about it, she felt that it was wrong: burning gasoline and diesel also emit carbon dioxide, and they are even worse. So relatively speaking, it is more environmentally friendly to burn alcohol.

"As for the power performance," said Engineer Xie, "the energy density of alcohol is about the same as that of gasoline, so in terms of power performance." The engine that burns alcohol is no worse than burning gasoline or diesel, but compared with using gasoline and diesel as fuel, alcohol is used as fuel, because there is a certain proportion of water in the alcohol, so the consumption of alcohol will be slightly more than that of gasoline and diesel. For example, if you use gasoline as fuel for the same part of the road. You may need to consume one liter of gasoline, but if you use alcohol as fuel, you will need about 1.2 liters of alcohol. ”

Saying that, Xie Fei Xie felt a little pity, "There is only such a small disadvantage, but alcohol is still a little cheaper than gasoline, if the difference between alcohol and gasoline and diesel is included." Generally. The cost of using alcohol as fuel is similar to that of gasoline and diesel. ”

Xie Fei felt a pity. Zhang Lanke didn't feel pity at all. Why Zhang Lan is so concerned about what fuel this engine can use, because Zhang Lan knows. Alcohol is a good thing, and the price of this thing is about the same as the price of gasoline and diesel right now. But ten years later, the price of gasoline and diesel rose to more than 6 yuan per liter, while the price of ordinary alcohol was only two yuan per liter. The cost advantage between burning alcohol in the engine and burning gasoline or diesel can be seen - how much money can be saved by burning alcohol!

Even if you run out of gas halfway and can't find a gas station, then you can find a store to buy two bottles of high-altitude wine and pour it in, only the alcohol content is not less than 60%, such as the burning knife in the Northeast, the alcohol content reaches 65 degrees, and even the medical alcohol in the hospital can be directly poured into it as fuel.

It's just that, immediately, Xie Feidi's slightly depressed mood became excited again in a blink of an eye, "However, there is one of the biggest benefits of using alcohol as fuel, that is, the use of alcohol fuel not only does not damage the engine, but also cleans the carbon deposits generated by the use of fossil fuels such as gasoline and diesel in the engine, and prolongs the service life of the engine." \\/\ This is fueled by gasoline and diesel, which cannot be compared in any way! This is the real green fuel! ”

, Hearing Xie Fei say this, Zhang Lan scolded viciously in his heart: In the future, we will use alcohol as fuel for motorcycles, who would dare to say that motorcycles are seriously polluted, and motorcycles should be restricted from being on the road, and the master went up and knocked out Ya's braincase! In the future, I will use this thing to focus on the European and American markets, which have the strictest international emissions, and I will be angry with those girls!

"Can these things be mixed and burned?" Zhang Lan said, gesturing, "For example, add gasoline, diesel, kerosene and alcohol to the tank at the same time. ”

"This question can be okay," Xie Fei pushed his eyes and thought about it seriously, "But because the specific gravity of these fuels you said is different, they will automatically be divided into several layers according to their specific gravity after being placed in the fuel tank for a period of time, and they can be burned, so to be exact, it cannot be regarded as mixed combustion, but it should be burned first The part of fuel with the heaviest specific gravity at the bottom of the fuel tank, and then the part of fuel with a lighter specific gravity, and so on." \\/\”

Zhang Lan thought about it seriously, yes, it is indeed the case, the specific gravity between these fuels is different, and it will be very natural to stratify when poured into the fuel tank, and it is impossible to mix them together, of course, it is to burn one layer for another, and finally burn the fuel with the lightest specific gravity to be considered complete.

At this time, our Xie Fei Xie Engineer was still a little dissatisfied and said, "It's a pity, there is generally no place to add kerosene now, if kerosene can be used, the performance of this engine is much better than the use of gasoline, diesel and alcohol." ”

"Huh?" Hearing Xie Fei say this, Zhang Lan was shocked, "This is ...... How so? ”

"That's right," Xie Fei said, "the molecular chain of kerosene is relatively long compared to the molecules of gasoline, so it is also larger in terms of specific gravity, that is, the calorific value of kerosene is higher than that of gasoline under the same volume." Therefore, the engine can provide more power, which is why the aero engine on the aircraft is fueled by kerosene, and almost no gasoline is used. ”

Well, hearing Xie Fei say this, Zhang Lan nodded: Another day, I will get some aviation kerosene from Uncle Wang and his army aviation regiment to try it and see how much difference there is between burning kerosene and burning gasoline. \\/\ It seems that aviation kerosene is more awesome than ordinary kerosene, so it should be even more effective, right? ,

Thinking that his engine can burn all the liquid fuels that can be burned, Zhang Lan couldn't help but feel a burst of pride: the engine that can burn all the liquid fuels that can be burned at the same time is the only one in the world, right?

Now that the test has been completed, it is time to go, just when Zhang Lan, together with his parents, Xiao Chenxi and Alice and other large families were about to leave, Xie Fei Xie led the staff again, "Everyone prepare again, well, that, we can't waste that broken engine, continue to do some tests." ”

Hearing Xie Fei say this, Zhang Lan took back the steps he was about to take out just now: it had become a pile of scrap iron...... Oh no, an engine that has become a pile of waste porcelain, what else can be tested?

"Xie Gong, what other tests can these things be carried out?" Zhang Zongjun pointed to the pile of waste porcelain on the shelf and asked this question in Zhang Lan's heart.

"This can also be used to test the strength of the engine body." Engineer Xie Fei Xie pointed to the pile of waste porcelain, "For this new formula of composite ceramic materials, we have calculated them according to their molecular arrangement, and the result is that the strength is stronger than that of aluminum alloy materials, but the theory is a theory after all, whether this is the case in reality, whether it can meet the design standards, or try to know." ”

Well, this is true, just like this engine, the theoretical maximum speed of the design is only 20,000 revolutions per minute, but in the end it has not run to 21,000 revolutions per minute, there is still a gap between theory and reality, and it is necessary to conduct a necessary test.

Zhang Lan then remembered that at the beginning, Xie Fei said that he would test the strength of the engine body, but at the beginning, he was testing the engine performance, and he and others forgot about it.

Hearing Xie Fei say this, Zhang Lan and his family stopped, looking at Xie Fei there directing everyone to do this and that, obviously the corresponding experimental materials had already been prepared, and after a while, a set of test devices was completely assembled.

This thing, well, how to say it, in Zhang Lan's opinion, this thing looks like two things with a hammer head in the front and a strong rubber band attached to the back, respectively, against the shells of two 250cc motorcycle engines: one is the shell of this scrapped ceramic engine, and the other is a brand new aluminum alloy engine shell.

If you have to describe it, this thing is like a meteor hammer that has replaced iron chains with powerful rubber bands!

Is it to conduct a crash test? A big question mark rose in Zhang Lan's heart. Looking at the parents next to him, his expressions were similar to his own, and their eyes widened, looking at what Xie Fei was doing.

"Let's go." Xie Fei nodded at the young man standing next to an instrument, signaling that the machine could be started.

There was a loud "clang", and two things that seemed to be meteor hammers slammed into the shells of the two engines at the same time. With this loud noise, Zhang Lan's heart twitched.

When the impact was completed, Zhang Lan hurried over to take a look. It didn't matter when I saw it, I was immediately taken aback: the aluminum alloy engine shell was hit with a relatively obvious dent, but the shell of the broken ceramic engine was nothing!

This guy is indeed very strong!

"Increase the strength by another 10 kilograms," as if dissatisfied with the results in front of him, Xie Fei continued to command the staff next to him. Zhang Lan noticed that this time the strong rubber band was a little longer than it had been pulled just now.

Zhang Lan had some expectations in her heart, and some hesitation: What will be the result this time?

align="center">