Fire in space is definitely one of the last things that all astronauts want to encounter.
After the Apollo 1 accident, NASA also redesigned and optimized the interior of the spacecraft, replacing the flammable materials in the cabin with some materials that will automatically extinguish, wrapping insulating materials on the piping system and wires, correcting the wiring problems, changing the atmospheric pressure in the cabin, replacing pure oxygen with oxygen nitrogen mixture, and replacing nylon spacesuit with glass fiber coating At the same time, it also strengthened the training of astronauts in fire management.
The flame in the spacecraft is very different from that on the earth. Without gravity, the hot air produced by the flame combustion will not rise in the state of free fall, but will wrap the flame and form a layer of low oxygen and high temperature around it.
Because of lack of oxygen, the flame will spread very slowly and become a photosphere. The temperature of combustion is lower than that of the earth.
Generally speaking, after a fire, the alarm will sound in the spacecraft first, and then the astronauts need to put on breathing masks, determine the fire point with the fastest speed, and cut off the nearby power supply. At the same time, other people will use fire extinguisher to put out the fire. If the fire cannot be controlled, the astronauts need to leave the fire cabin, retreat to other cabins, block the gate, and close the empty space of the fire module Air circulation fan.
Later, on the second day after the launch of Apollo 13, the service module exploded. However, the seven astronauts on the spacecraft were well prepared to cope with the crisis. They all transferred to the lunar module safely. Cooperating with the ground control center, they gave up the moon landing plan, drove the spacecraft to the back of the moon, and successfully returned to earth by using the catapult effect, creating a new era in human space history The greatest miracle.
Of course, these are the afterwords.
NASA's fire management training is carried out in a closed environment of a simulated aircraft. Of course, no real fire is used. Instead, a red warning light is used. People participating in the training are required to practice the fire fighting process according to the steps, so there is no danger in theory.
According to the roll call order, this time it's the middle-aged man's turn to take the lead. He looks at the high school students beside him, and they walk into the simulation cabin.
The simulation cabin has two parts, corresponding to the service module and the lunar module respectively. They went straight to the innermost service module, which is also the place where the first part of training started.
But then when the alarm sounded, they did not take off the breathing mask as required by the manual. The high school students quickly took off their coats and revealed a row of water bags tied to their bodies.
Those water bags are now filled with light yellow gasoline instead of water, which he stole from the warehouse.
"You can tell us how to cover up the smell of this thing, lock the cabin door, and then finish the remote ignition," he said as he opened the gasoline and poured it on the cotton bag that he used to simulate flammable substances
The middle-aged man didn't answer until the high school student poured out all the gasoline. He also quietly retreated to the cabin door, took out a match and struck it. Then he said, "I told you that in my last single player competition, I met two players who were small in the real world. In order to fight for the last place, one of them had to kill Another person, this is a very difficult choice, very difficult... " The middle-aged man said, "what I didn't tell you is that I'm the one who did it."
"What?" High school students had an ominous premonition in their hearts. He looked back and saw that the middle-aged man had reached the junction of the service module and the lunar module.
At the same time, the latter also threw out the match in his hand. The match accurately fell on a bag of cotton bags drenched with gasoline. The fire started quickly. The high school students couldn't think much and ran out desperately. However, the middle-aged man had already closed the door of the service cabin.
The simulated fire alarm in the service cabin is still ringing wildly, but it sounds ironic against the background of the growing fire around.
The high school student used his strength to open the cabin door a little bit, but just when he was about to see hope, he was doused with a basin of cold water. He saw the middle-aged man at the other end from the gap, took out the lighter and aimed at the lower part of the cabin door.
Like the previous door locks, the heated part quickly melted, but this time the middle-aged man quickly took back the lighter. The melted part contacted with the ground, cooled down and quickly fixed, and connected with the surrounding.
The middle-aged man took back his hand, but this time the high school students couldn't open the hatch any more.
"Sorry, I didn't tell you the truth before. I can't cover up the smell of gasoline and finish the remote ignition. I don't have such props on me."
"Are you crazy?! What good is it for you to kill me? Are you going to fight those two alone? " High school students are sweating heavily. There is gasoline in the water bag. The flame is burning fast. The tongue of fire can lick his back. The look on his face is more and more frightened. He even begins to beg middle-aged people to open the door.
However, the latter was not moved. "Who said that I would fight with two people after that?" The middle-aged man raised his eyebrows, "I do have allies, but I'm sorry, that person is not you. By the way, you can ask for help loudly, but these two simulated warehouses are very closed, and people outside can't hear what's going on inside.""Kill me, how can you tell NASA people?! Do you want to go on the moon? Or do you just do it to help others? You're not like that. " The high school students were choked by the smoke, and their nose and tears flowed out together.
The middle-aged man stepped back a few steps to stay away from the spreading flame. "You brought the gasoline into the simulation cabin. I haven't left the view of other people since I got up in the morning until now until before the fire disposal training. Only you disappeared after lunch for such a long time, so everyone would only think that you set the fire. As for the reason, I don't know Maybe the recent training is too intensive, which makes you nervous. Maybe the candidate has an accident one after another, which makes you more stressed than you can bear. I just went to the lunar module for the second part of the evacuation training as required. When I found out, it was too late, and you also closed the middle cabin door. "
"Do you think NASA people won't doubt you"
"I don't care. As long as there is no absolute evidence, they still need us to land on the moon for them." The middle-aged man covered his mouth and nose with one hand to prevent the inhalation of toxic smoke. At the same time, he looked at the watch on his wrist and calculated how much time the high school students had left. When there was no sound inside, the smoke of the lunar module was getting bigger and bigger, and he could not wait for anyone any more. The middle-aged man ran to the door, pushed the door open, changed into a panic expression and yelled, "no good, fire!"
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