The message was sent to Nanzhou, but the wait took a bit long this time. It took almost an hour before I received a reply from Nanzhou.
Gao Kai on the screen looked serious: "Leishan, your ship is moving away from the sun. With the direction and speed of your ship, the warning line set at 40% is too reluctant. To ensure safety, it is best to increase it by 10%."
percentage point."
Ye Han felt bad, but after thinking about it carefully, he had to admit that Gao Kai's worries were indeed justified.
Under normal circumstances, the fuel warning line of a space battleship is between 15% and 30%. The specific amount must take into account the speed, direction, load of the battleship, and the output power of the thruster.
He set the fuel warning line at 40%, leaving a very high margin. To put it simply, this fuel is enough for Leishan to fly from the asteroid belt to Beiyuezhou and back again.
But as Gao Kai said, Leishan is flying towards the orbit of Jupiter. It must slow down first and then return. After all this trouble, 40% of the fuel is just enough.
Ye Han thought for a while before replying: "Nanzhou, the call has been received. In view of the current situation of our ship, there is no need to raise the warning line immediately. If the speed of our ship continues to increase, I will raise the warning line at the appropriate time."
To fifty percent…”
He had planned many return plans in his mind, but no matter which plan he chose, he had to look at the specific situation at that time. He could not come up with a return plan suitable for all situations by just thinking about it on the bridge.
However, Ye Han has already agreed with Gao Kai's suggestion in his heart. It doesn't matter if he disagrees. Fuel is really crucial. This thing is not only related to the power of the Leishan, but also involves another important issue: the range.
If it is a surface ship, based on the ship's speed and fuel consumption, the ship's range can be calculated through a very simple calculation.
But the space battleship is in space with no resistance. If the situation faced by Leishan is relatively calm in the future, the battleship only needs a little fuel to adjust its direction and can fly very far just by relying on inertia.
On the other hand, if the situation is turbulent and requires a lot of acceleration, deceleration, and direction changes, then the Leishan will consume a large amount of fuel every day, and the fuel reserves will not last long.
Ye Han couldn't help but think in his mind, it would be great if the output power of the thruster was higher!
He came up with this idea because the efficiency of nuclear power engines was too low.
The so-called nuclear power engine should actually be called a nuclear power thruster. This thing has too high requirements on materials, especially the reaction chamber that can withstand explosions, which particularly tests the strength of the materials.
A micro-nuclear explosion is also a nuclear explosion. The reaction chamber must not only withstand the temperature of the micro-nuclear explosion, but also must absorb the impact of the micro-nuclear explosion and feed the impact back to the battleship, ultimately becoming the force for the battleship to move forward.
To be honest, the new engine of the Thunder Mountain is not a big deal. It is just a new alloy that was accidentally obtained by a certain laboratory while researching super engine materials.
In addition to working on the materials, Ye Han has also heard of some more unorthodox methods.
For example, a cooling system is installed outside the reaction chamber and the reaction chamber is cooled by liquid nitrogen.
The idea is very good and very operable, but the reaction chamber is not indestructible. One side is liquid nitrogen close to minus 200 degrees, and the other side is continuous micro-nuclear explosions. The temperature difference between the inside and outside of the chamber is no less than two to three thousand.
No matter what material the cavity is made of, it cannot withstand such severe torture.
It is also a good idea to replace liquid nitrogen with other coolants, but the cooling effect is really not very good and it will not have much effect at all.
This is just a way of thinking.
Ye Han also heard that someone was inspired by the jet engine of a fighter jet and wanted to install an afterburner system on the nuclear engine.
To put it simply, while launching the fuel ball, a "combustion accelerant" is added to the reaction chamber. This thing absorbs the energy of the micro-nuclear explosion and becomes plasma. The plasma is sprayed out along the reaction chamber, ultimately achieving boost acceleration.
effect.
It is said that this method can increase the efficiency of nuclear engines several times or even more than ten times. In theory, it can even equal the propulsion efficiency of chemical rockets!
To be honest, Ye Han thinks this idea is indeed good. The principle and technology are considered mature, but plasma is also called plasma. This thing not only runs out of the reaction chamber, but also likes to drill into the reaction chamber. It must be controlled by a magnetic field.
The injection direction is to prevent the plasma from pouring back into the reaction chamber.
First the afterburner system, then the magnetic beam equipment, and the "fuel tank" for storing combustion accelerants were added. The engine structure was instantly several times more complex, and repair and maintenance costs skyrocketed.
Because of these miscellaneous reasons, various countries know that this is a good approach and have conducted experiments in this area, but so far, no country has built a practical afterburner system.
After thinking about it, none of the methods currently mastered by humans can be used on nuclear engines. It is estimated that human warships will be inseparable from nuclear engines for a long time in the future.
Unless there is a breakthrough in super engine research!
However, according to Ye Han's understanding, the research on super engines has always been difficult. To this day, the detailed principles have not been understood. I only know that this thing, like human thrusters, also uses the recoil principle.
But exactly how it works and what fuel it uses is still a mystery.
If only the Thunder Mountain could be equipped with a few miniature super engines... Tsk tsk, there would be no problem in running all over the solar system in one go. The aliens would be too exhausted to catch up, so why worry about fuel?
While thinking wildly, I received another communication from Gao Kai.
Gao Kai on the screen looked helpless: "Ye Han, I just received the order from Beiyuezhou. The superiors asked me to fully cooperate with your actions. Not only the Nanzhou, but also the No.3 and No.4 bases have received the order. In addition, there are
Several warships are on the way, six in total, but we only have two, and the remaining ones are all sent by the base group... This time it is really big, not only goes deep behind enemy lines, but also recruits the international fleet...
"
Ye Han was a little confused when he received the news. Since the Qiang Second Fleet returned to Earth, the international fleet has been silent. Why are they willing to send out warships at this time?
He vaguely felt that this matter was not that simple.
In fact, it’s not that complicated at all. The ownership of the asteroid belt is related to the safety of the entire human race. A large number of aliens have already landed on the earth. If another alien fleet is allowed to attack the outer space of the earth, humanity will not be completely finished?
Although Beijing and Washington have been fighting openly and secretly, there is a limit to the fighting. At this juncture, the overall interests of mankind are more important than anything else. No matter how dirty there is behind them, it is impossible to destroy each other at this time.
