Wind turbine blades pierced a van, killing one and injuring one. What was the cause of the accident?

Introduction A wind turbine blade pierced a van, killing one and injuring one. What was the cause of the accident? With the development of the times, technology has gradually advanced, and more and more technologies have appeared in people's lives.

Wind turbine blades pierced a van, killing one and injuring one. What was the cause of the accident?

With the development of the times, technology has gradually improved, and more and more technologies have appeared in people's lives. These technologies have enriched people's lives and also brought great help to people. , and the invention of vehicles can be said to have helped us even more, making our transportation more convenient. When we go out, we don’t have to worry about catching a car. It can be said that the emergence of cars has brought great convenience to people. At the same time, It also brings harm to us. Sometimes traffic accidents will occur if we are not careful, and traffic accidents bring us great harm. How many families have been broken up because of traffic accidents. When we go out, we must Pay more attention to safety and drive safely when you go out. Safe travel is the most important thing.

The most heard thing during this period is probably traffic accidents. Every time a traffic accident occurs, there will be certain damage, both to vehicles and people. However, there are also very serious injuries. Fortunately there were no casualties. I recently saw a related report that a car was involved in an accident because a wind turbine blade pierced the car, resulting in one death and one injury. The incident also attracted a lot of attention. Many netizens said , the car must be inspected regularly. This accident was too terrible. Others said that it was too terrible and hoped that the other one would be safe.

It is understood that this incident occurred in Shaoyang Chengbu Miao Autonomous County, Hunan. It can be seen from the surveillance video that a car was hit by the wind turbine blades of an oncoming truck when passing a traffic light. It pierced the car. It can be clearly seen from the video that the blades directly pierced the windshield, and the windshield bounced up and down. There were two passengers in the car, one of whom died on the spot. Then the police and medical personnel rushed to the scene. When we arrived at the scene, we found that the other passenger's life was no longer in danger after treatment. The police are still handling the specific matter.

At the same time, we also appeal to everyone to pay attention to safety when going out. Not only must you drive safely, but you must also stay away from large trucks. Protecting your own safety is the most important thing.

Which electric fan blade is better, 3 blades, 5 blades, 7 blades, or 9 blades?

When I saw this news, my first reaction was that the van driver must have been distracted, because this kind of vehicle that pulls the hair blades is a special vehicle, and there are usually obvious signs everywhere. If the van driver hadn't been distracted and found out in time and prevented it in advance, there would definitely not have been such a tragedy

The 5-leaf type is better.

The five-blade electric fan mainly uses the principle of aircraft wings and propellers. Compared with the ordinary three-blade electric fan, it will increase the load and load capacity, thus having a wider range of air delivery. Wind range, and wind power adjustment can also add more gears, and the noise will also be reduced.

In short, the more fan blades, the "wind" can be cut into smaller pieces, making the blown wind softer and quieter.

The fan has five blades, onlyBut in daily life, most of us use Sanye. Similarly, four-blade and six-blade fans also exist (three-blade fans have a high speed, four-blade fans have a low speed, and the wind pressure is different, which is related to the structure of the heat exchanger.)

Number of fan blades

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The number of blades of axial flow fans is generally an odd number. This is because when doing dynamic balance correction, the odd number of blades is easier to correct the center of rotation. If an even number of fan blades is used, it is easy for the system to resonate. If the material of the blade cannot resist the fatigue caused by vibration, the blade or bearing will easily break. Therefore, an odd number of fan blades with asymmetrical axis are more suitable.

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