What does straight flow mean?

Direct flow, also known as through flow, is an airflow phenomenon in meteorology. Simply put, it is the wind flowing in the internal space of a building due to wind pressure. Under the action of wind pressure, outdoor air enters from one side of the building, passes through the room and flows out from the other side. Of course, this phenomenon is harmful.

Extended data:

Harm of through flow to human body;

1, north-south convection in the bedroom, through the flow is a very comfortable way to enjoy the cool, but in summer, outdoor steaming, people's sweat oozing, pores open, especially when people are tired or asleep, the body temperature will drop, and qi and blood will be weak. If you don't pay attention to proper heat preservation and let the ventilation flow blow for a long time, evil spirits will take advantage of it and cause diseases such as wind-heat cold and scapulohumeral periarthritis.

2. People with weak constitution can't stand osmotic flow, such as pregnant women and newborn babies with weak resistance, who are blown by osmotic flow and easily get sick.

3. He feels very comfortable and happy when the current blows to his body, and then falls asleep in this comfortable state, but when he wakes up, he will feel uncomfortable, such as muscle tension, joint pain, mental fatigue, and even gastrointestinal symptoms such as abdominal pain and diarrhea. What's more, some people lie in the wind when sweating, and there will be diseases such as facial paralysis.

For middle-aged and elderly people, it is more important to avoid being in the spotlight of continuous flow for a long time, because it is very easy to cause hypertension, heart disease and cerebrovascular diseases. In severe cases, life will be in danger.

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