Technology: Breaking the Global Monopoly

Chapter 2491 Barely Passing
【Thermal protection system: The windward side is covered with gradient porosity heat-resistant tiles, with a porosity gradient design from 20% to 60%, which can maintain structural integrity for ten minutes at a high temperature of 2100℃. The leeward side adopts a bionic scale-type heat dissipation structure, which is driven by shape memory alloy to open and close to adjust the radiation heat dissipation efficiency, and can maintain the highest efficiency heat dissipation for thirty minutes...

Propulsion system: The main engine nozzle has a specific impulse of 380 seconds in a low-pressure environment. In a high-pressure environment, the specific impulse data is unqualified...】

When Li Kaixia saw the evaluation data, his heart suddenly skipped a beat.

At the same time, he also saw that some engineers in the team frowned at this moment.

This power system, including the engine, must achieve extremely good results in both low-pressure and high-pressure environments. In a sense, it is "both of these and more", which is simply difficult to achieve.

But this is a test project after all, and he has been leading the team to overcome problems as much as possible.

[Fuel tank: Made of graphene-reinforced metal-based composite material, with a wall thickness of 2.1mm, it can withstand a maximum internal pressure of 30MPa, meeting data standards...

Radiation protection: composite shielding layer, the radiation dose in the cabin can be stably controlled at 5mSv/day (equivalent to the radiation dose of hospital CT scanning equipment...]

In order to successfully land on Mars and return safely to the blue planet, the spacecraft design must meet strict parameter conditions in many fields. Its core indicators cover structural strength, power propulsion system, radiation protection, life support and many other aspects.

Compared with the moon landing, Mars is farther away and there is also the unstable test factor of the atmosphere, so the requirements for these parameter conditions are higher than those for the moon-chasing starship.

The hull frame needs to be able to withstand the pressure of more than 1000 kg of payload during impact, and it also needs to withstand 12G of instantaneous impact acceleration when landing on Mars.

During the atmospheric deceleration phase, the passing score is that the heat shield can withstand high temperatures of 2100°C for 4 minutes or more.

During this series of assessments, the expressions of everyone on Li Kaixia's team gradually changed from initial nervousness to anticipation.

For them, the approval of several important projects means that they can continue, rather than the entire design plan being rejected.

In the end, Gu Qing looked at the overall score of "71" given by AI [Tiangong], and then nodded to Li Kaixia and the engineers and scientists beside him.

"Excellent assessment results. Our Mars spacecraft will be launched next year. I wonder if you can still make progress in a month.

Kaixia, there are several engineers who I need to remind you that after the end of January next year, the company will only select the spacecraft plan with the best final test results, strengthen its manufacturing process, and then carry out the Mars landing and round-trip mission. In the subsequent manned landing on Mars, this spacecraft plan will also most likely be used.

So you must be careful not to deliberately or accidentally lower the high-scoring items just to raise the low-scoring items. "

Having said that, Gu Qing also gave a special reminder.

"For example, the refueling design requires the Zhurong spacecraft to not only support on-orbit refueling, but also to be able to carry more than 300 tons of propellant and solid energy at a time.

The shielding layer needs to protect against the effects of galactic cosmic rays and solar protons. In addition, the protective layer must be able to cope with Martian dust storms. Strengthening them will inevitably affect the endurance, but strengthening the endurance will bring more risks and contradictions to the structure and overall design. Therefore, you must make comprehensive considerations and try to give full play to the advantages while improving the shortcomings.

During this period, Xinghai Subsidiary has excavated some special catalytic minerals and materials deep in the moon. Perhaps you can communicate more with the material research and development department. Some of their unsuccessful projects may give you some inspiration. "

On Jiuzhou Technology’s internal technology sharing platform, each person’s identity and permissions allow them to see different technologies and projects.

Among all the employees of Jiuzhou Technology, only Gu Qing can see the true situation of those special projects that are still in progress.

His reminder did not exceed the rules.

Li Kaixia's team also needs to take the initiative to find the materials research and development department and look for some clues within the authority of their team.

After Gu Qing finished speaking, Li Kaixia's gaze reluctantly left the display interface.

This elite engineer trained by Jiuzhou Technology had a serious expression, but nodded to Gu Qing with a slightly frown. After getting Gu Qing's consent, he immediately shared the test results to the team server so that everyone could watch the test report together.

Although Gu Qing was right beside them, these engineers and scientists who had already entered the working state had already started to communicate with each other.

"In terms of energy output, the radioisotope generator can already achieve a continuous power of over 110 watts. Is that just barely acceptable? However, with the solid-state energy battery pack as a reserve, there's nothing to worry about."

"Don't worry about it. You don't have to worry. We need to think about our power system and find a way to reduce the size as much as possible to increase energy reserves."

"The temperature fluctuation range of the equipment cabin is between -140℃ and 20℃, and we must achieve accurate control of ±1℃. No matter how little energy we have, we cannot lose the needs of our ecological maintenance system. We have to increase some energy demand."

"In order to land safely on the moon, the water circulation system must be able to provide 3.5 liters of safe drinking water for each astronaut every day during the long flight time. The wastewater recovery rate has reached 85%, but the score is only 69 points, which is barely passing. Graphene and lunar filtration equipment are used... Do we need to add a special particle treatment device? And further improve the recovery rate? But how can we improve it?"

Seeing this group of people scratching their heads, Gu Qing sent a message to Li Kaixia's personal terminal, telling him that the team could stay in the room temporarily for five hours, and must leave after the interior of the wind tunnel was cleaned. Then he turned around and left the room.

Gu Qing is actually more optimistic about the spacecraft plan designed and developed by Li Kaixia's team.

Although it seems moderate and lacks the "science fiction" design of Zhang Tianhao and Chu Ci, this moderate design can often carry more equipment and technology.

After the next successful round-trip landing on Mars, the number of robots remaining on Mars will double, and we will be able to build a more complete base based on Martian materials.

The next manned landing on Mars will be even safer.