Pressure distribution of the air duct

When the air in the air distribution duct is uniformly transported, the air flow and air velocity continue to decrease along the entire system, and the pressure loss gradually decreases with the decrease of the wind speed. This is due to the actual pressure loss caused by frictional resistance. In most cases , in the fiber fabric duct, the pressure loss is less than 1/10. If there are long straight pipes (over 30m) such as elbows, connectors and gas supply main outlet, it will cause local resistance loss, and this pressure loss cannot be ignored. When the air in the air distribution duct is uniformly transported, the air flow and air velocity continue to decrease along the entire system, and the pressure loss gradually decreases with the decrease of the wind speed. This is due to the actual pressure loss caused by frictional resistance. In most cases , in the fiber fabric duct, the pressure loss is less than 1/10. If there are long straight pipes (over 30m) such as elbows, connectors and gas supply main outlet, it will cause local resistance loss, and this pressure loss cannot be ignored. The factors that affect the pressure in the fiber cloth air duct are inlet static pressure, dynamic pressure and pressure loss. The dynamic pressure in the bag duct is converted into static pressure, also known as static pressure recovery. The pressure loss along the way and the local resistance loss caused by the connector are simply referred to as pressure loss. Therefore, the average static pressure in the pipe can be considered to be composed of inlet static pressure, static pressure recovery and pressure loss. The factors that affect the pressure in the fiber duct are inlet static pressure, dynamic pressure and pressure loss. The dynamic pressure in the duct is converted into static pressure, also known as static pressure recovery. The pressure loss along the way and the local pressure caused by the connection Resistance loss is simply referred to as pressure loss. Therefore, the average static pressure in the pipe can be considered to be composed of inlet static pressure, static pressure recovery and pressure loss. The pressure in the air duct can be calculated to overcome the resistance loss and local loss along the way , and can achieve the ideal airflow distribution, and the resistance loss can generally be ignored; but at higher pressure, in addition to improving the inflation performance of the fiber duct, it will also cause higher resistance loss and pressure loss along the way. When using lighter weight materials, a lower pressure is sufficient to achieve the desired shape. The bag air duct can be regarded as a static pressure box in theory, but the static pressure in the pipe cannot be consistent. The inlet dynamic pressure is unchanged, and the inlet static pressure is static pressure. The dynamic pressure is gradually converted into static pressure along the long direction of the pipeline, and reaches the static pressure of static pressure at the terminal, and its value is the sum of the static pressure at the inlet, the recovery of static pressure and the loss of resistance. The pressure in the air duct is calculated, which can be used to overcome the resistance loss and local loss along the way, and can achieve the ideal airflow distribution, and the resistance loss can generally be ignored; but at higher pressure, in addition to improving the inflation performance of the fiber air duct, It will also cause higher resistance loss and pressure loss along the way. When using lighter materials, lower pressure is enough to achieve the desired shape. The bag duct can theoretically be regarded as a static pressure box, but It is impossible for the static pressure in the pipe to be consistent. The inlet dynamic pressure is unchanged, and the inlet static pressure is static pressure. The dynamic pressure is gradually converted into static pressure along the length of the pipe, and reaches the static pressure of static pressure at the terminal. The value is The sum of inlet static pressure, static pressure recovery and resistance loss.

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