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Introduction ˮ?????????Ƶvortex vortex xuánwō 一 A spiral water vortex forms when the flow of water meets a low place. When the toilet is flushed, the water flow creates a vortex

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Whirlpool whirlpool xuánwō 一 A spiral water vortex forms when the flow of water meets a low place. When the toilet is flushed, the water flow creates a vortex and flows down the drain. Some theories say that in the northern hemisphere the water vortex rotates clockwise; in the southern hemisphere, it rotates counterclockwise. The reason this phenomenon occurs is due to the rotation of the Earth. In fact, the effect of the Earth's rotation is very small, so it is difficult to influence the direction of water flow. You can easily check this in some bathrooms, where the direction of the water swirl, whether counterclockwise or clockwise, depends on the structure of the bathroom. 'sink and not from the northern and southern hemispheres. First think about how the water vortex comes from most information.ns. Even the physics professor tells us that the water vortex is caused by the Coriolis force, so it circulates clockwise in the northern hemisphere and counterclockwise in the southern hemisphere. causes the wind direction to change on the earth. But does the Coriolis force affect water eddies? If the Coriolis force affects the vortex of water flow, then we should also be affected by the Coriolis force when we usually play basketball or billiards, but it seems not... Actually , the vortex of water flow is only caused by the instability of the water tank or water in water. If the water initially rotates a little clockwise due to the existing disturbance, as the water gradually flows, the angular velocity will inevitably increase due to the conservation of angular momentum, and we will see Awater vortex flowing. Assuming the bottom of the water tank is completely horizontal, the water will also be completely horizontal, so no matter where it is, the water will flow straight down. no swirl. Therefore, there is no clockwise flow in the northern hemisphere and no counterclockwise flow in the southern hemisphere. It's just the product of someone's explanation of the Coriolis force. If you don't believe it, you can find the difference for yourself. . Do some experiments in a water tank... If the vortex of water flow is related to the Coriolis force, then the vortex of water flow on the equator line will not have no specific direction.

In fact, the Capillo phenomenon is caused by the so-called Coriolis force caused by the inertia of the earth during its rotation. In the Northern Hemisphere, this deflection force is towards the right, which causes the water to form a counterclockwise vortex as it flows downward. In the Southern Hemisphere, the opposite direction is clockwise. Another form of the Capillo phenomenon in nature is a tornado. Whether it is landspouts and waterspouts generated on vast plains or in vast seas, people have discovered that most of their rotation directions are counterclockwise in the 'northern hemisphere. The Foucault pendulum at the Beijing Planetarium rotates its pendulum plane clockwise every 37 hours and 15 minutes, which is also the result of the Coriolis force. The Coriolis force is an important force that is easily overlooked by most people. For example, in the northern hemisphere, when a train moves quickly from south to north, the pressure on the right track is greater and theeast bank of a river from south to north is more severely washed away. These phenomena can be explained by the phenomenon. Coriolis force. In addition, during launch, the influence of the Coriolis force must also be taken into account in the design of bubble levels for long-range missiles, weather forecasting, navigation and aviation. (Physicists have an absolutely accurate understanding of the Coriolis force or the Coriolis effect, but they are completely wrong when they use the Coriolis effect to explain the vortex of toilet water. The Coriolis effect is very important for explaining ocean currents, atmosphere This is true for fluids that move on a large scale, such as circulation However, Coriolis effects occur for toilet water flow. have almost no impact Both ends of the toilet's rotating water flow have almost exactly the same imp.act due to the rotation of the earth. Although there are slight differences, it is safe and cannot cause strong water flow. )(Water flowing through small holes is true, but faster artificial whirlpools won't work)

Because the earth always rotates from west to east, whirlpools will be generated , and this phenomenon also exists in In the southern hemisphere, the only place without vortices is the equatorial region, because the geostrophic deviation force there is 0. The direction of the geostrophic deviation force can be summarized as "north, right , south, left”, i.e. objects moving horizontally. in the northern hemisphere they deviate to the right, and horizontally moving objects in the southern hemisphere deviate to the right. The object is deflected to the left, so just like here, it's in the same direction as the airflow at the center of pressure. . Because the middle is lower and the sidessurrounding areas are higher, the vortices in the northern hemisphere converge counterclockwise.

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