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Working principle of HEPA box
Working principle of HEPA boxThe working principle of air outlets is based on the principles of air-fluid mechanics and thermodynamics, and its process is complex but exquisite.When the cold/hot air in the air conditioning system passes through the air outlet, the air will quickly form an airflow. The formation of this airflow is closely related to the structure of the air outlet and the pressure of the air conditioning system. The air outlet is usually composed of several air outlets and guide plates, and these structures directly affect the characteristics of the airflow. In terms of airflow velocity, its size is restricted by many factors. For example, the outlet area and shape of the air outlet will affect the initial velocity of the airflow. A smaller outlet area usually leads to a higher initial velocity, while a larger outlet area will make the initial velocity relatively low. In addition, the pressure provided by the air conditioning system also plays a key role in the airflow velocity. The greater the pressure, the higher the airflow velocity. For the control of the airflow direction, the guide plate of the air outlet plays an important role. By reasonably designing the angle and position of the guide plate, the direction of the airflow can be changed. For example, tilting the guide plate at a certain angle can deflect the airflow upward or downward; adjusting the degree of curvature of the guide plate can diffuse or concentrate the airflow. At the same time, the principle of thermodynamics cannot be ignored in the work of the air outlet. There is a temperature and pressure difference between the cold/hot air in the air conditioning system and the indoor air, which affects the flow and distribution of the airflow. During the heat exchange process, the temperature and humidity of the airflow will change, thus affecting its physical properties and flow characteristics. In summary, the air outlet achieves effective control of the formation, speed, and direction of the airflow by cleverly combining the principles of air-fluid mechanics and thermodynamics, thereby meeting the needs of different indoor environments. |
