What a monster! Everyone tried to find the answer on Director Zhang's face, but found that he was also embarrassed.

Fan Wubing said to everyone with a smile, "It's not my fault to be young, but if you say that because you are young, you can't make any achievements in science, it's a deception! Let me introduce myself again, my name is Fan Wubing, and I am a model Fan. Wubing, it's just a problem! If a person has no problem, he is almost a saint!"

After hearing Fan Wubing's confusion, the people sitting below laughed. Unexpectedly, this child was still very interesting. It was just that a high-end weapon like a snowstorm should not have been made by a child? If a three-year-old child could have made this, then how should we, the old guys who have been studying cutting-edge weapons for life, deal with it?

Director Zhang introduced to Fan Wubing, "This is Mr. Sun, an expert in fluid mechanics, Mr. Bo, an expert in aerodynamics, and Mr. Wang, a rocket expert. Time is limited, so I won't introduce them one by one."

"I have long admired you all, it is so well-known." Fan Wubing bowed his hands sincerely and said.

This is not his pretending to behave, but the names of these people. In later generations, he sounded like any of them shining brightly. He never thought that he would answer questions and answer questions to these people.

Fluid mechanics expert Mr. Sun frowned and looked at the smiling Fan Wubing, and asked Director Zhang with some amusement and cried, "Xiao Zhang, are you sure this three-year-old child is the designer of the Blizzard? Don't scare me, you must know that my heart is not very good either!"

Director Zhang nodded, speechless.

Fan Wubing corrected seriously, "First of all, I'll make a statement that I'm no longer a three-year-old child, I'm three and a half years old."

Mr. Sun curled his lips and said, "You kid is not authentic and you are running the train! Our name has never appeared in public newspapers and magazines. How could you have heard of our name? You are not an honest child when you hear it!"

Everyone nodded and agreed. It was not that they bullied the child, but that they wanted to see if the child in front of them really had the ability to design a blizzard. This was the most important thing.

"Old Sun is really - you should take it seriously, politely..." Fan Wubing said with a smile, "But to be honest, although I have never seen you, or even heard of your names, in my heart, I have been intimate with you for a long time!"

Seeing everyone thinking or not believing, Fan Wubing continued, "As both people from the country, why should we distinguish between the order of hearing the truth? If we don't serve the country's blood, how can we join together?"

"Well said that, I'm a little convinced that you are the designer of Blizzard." Old Sun looked at Fan Wubing with a surprised face and clapped.

"Since everyone has formed a preliminary consensus, can we start?" Director Zhang heard the news.

Everyone nodded. When Fan Wubing saw that everyone was embarrassed to ask questions first, he took the initiative to say, "Anyway, no matter which senior asked me to explain it, I might as well explain it first."

Several experts who took the lead nodded in agreement, so Fan Wubing sorted out his ideas and began his first public speech in his life.

"If you want to talk about blizzard torpedoes, you have to mention the supercavitation phenomenon." Fan Wubing said to everyone.

The pressure drops when the liquid moves around the object quickly. As the speed increases, when the liquid pressure equals the water vapor pressure, the liquid changes from the water phase to the gas phase to form water vapor. The cavitation will distort the water flow, thereby losing the efficiency of the water pump, turbine hydrofoil and thruster. It may also lead to the occurrence of strong shock waves and cause corrosion of the metal surface. Ship designers often have to deal with troublesome cavitation bubbles in an attempt to avoid cavitation, such as designing the hull as a streamlined type.

However, the trouble caused by this cavitation plays an important role in overcoming the viscosity resistance caused by friction with water.

"Due to the viscosity resistance between water and moving objects in water, the resistance that objects receive in water is about a thousand times that of air resistance." Fan Wubing said with a gesture, "But we can use the annoying cavitation to form a renewable gas envelope around the underwater object, so that the fluid can minimize the wet area on the surface of the object, thereby greatly reducing the viscosity resistance. This low-density bubble is a supercavitation. The length of the cavitation is related to the movement speed of the object. The object can move forward rapidly with the minimum resistance inside the long bubbles it generates. This is the design principle of the blizzard torpedo."

Mr. Sun asked, "The cavitation phenomenon is easy to prove, but how feasible is it to create a supercavitation by yourself? The speed of torpedoes in water varies. At what initial speed can you obtain an ideal supercavitation?"

"This problem depends on my design drawing of the snowstorm." Fan Wubing pointed to the design sketch of the snowstorm hanging on the wall and said eruditely, "The snowstorm torpedo uses a rocket engine to generate a large number of bubble holes on the torpedo's head, so that the torpedo is completely surrounded by holes, and the water resistance is greatly reduced, thereby achieving an extremely high speed. In other words, if the thunder body does not come into direct contact with water, the natural resistance of the water is minimal. The obstacles to high-speed navigation of torpedo are cleverly resolved. His initial speed should be more than one hundred knots! The most critical problem among these is the cavitation generator that produces super cavitation phenomena. However, where the density, scale, and pressure bubbles are generated, this is the problem that the predecessors here need to solve."

"How are the data of initial speed obtained? Is there any theoretical basis?" someone asked.

Fan Wubing shrugged his shoulders and replied, "If we have to find a theoretical basis for everything, we may still live in primitive society. I can only guarantee that if you refer to the data I provide during the experiment, you will not be wasted."

Next, Fan Wubing continued to answer everyone's questions about the various designs of the Blizzard Snowboat, such as why there are eight small rocket engine nozzles around the main rocket engine on the rear central axis of the torpedo, what are the eight folding brake arms extending from the side of the torpedo shell, and how to ensure that the high-speed moving Blizzard Snowboat can operate maneuvering in the water, etc.

After a commentary, everyone suddenly realized, but Fan Wubing couldn't hold on anymore. God knows where these old experts came from so many questions, it's just a hundred thousand questions!

After all, this matter has been dealt with. Whether the blizzard can be done depends on the ability of the old experts.
Chapter completed!