Air flow pressure measurement: Before measuring air leakage, it is necessary to measure the air flow pressure of the ventilation system. This is because the amount of air leakage is closely related to the airflow pressure. Usually, the amount of air leakage increases with the increase of airflow pressure.
Air leakage detection equipment: Use appropriate air leakage detection equipment, such as smoke mist meter, anemometer, or differential pressure gauge. These tools can help detect air leakage points and determine the amount of air leakage.
Sealing the surrounding area: When measuring air leakage, it is necessary to seal the air inlet and outlet of the ventilation system to ensure accurate measurement results. This can prevent the influence of external airflow on the measurement results.
Accurate measurement point: Select an accurate measurement point for air leakage measurement. Usually, the air leakage point is located at the flange of the joint connection of the ventilation duct or other places where there may be air leakage.
Stable conditions: When measuring air leakage, keep the ventilation system operating under stable conditions. The measurement of air leakage should not be conducted at the moment when the ventilation system starts or stops to ensure accurate measurement results.
Multipoint measurement: In order to obtain more comprehensive data, multi-point air leakage measurement can be carried out, especially in large ventilation systems. This can help determine the location and severity of the air leakage point.
Record and analyze data: When measuring air leakage, it is important to record data, including information such as the location of airflow pressure measurement points and air leakage. Subsequently, data analysis was conducted to determine the cause and location of the air leakage.
Repair and maintenance: Once the air leakage point is determined, timely repair measures should be taken, including replacing sealing materials and retightening connectors or welding joints. In addition, establish a regular maintenance plan to prevent the occurrence of air leakage issues.
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