Introduction
Theoretical Consideration
Vegetation Bio-filter Technology
Performance Standard of AHU Air Purifying Filter
Table 1
Differential Pressure and Pressure Loss Measurement Theory
Q = Airflow (m3・sec-1 )
Y = Expansion Coefficient
ΔP = Nozzle Differential Pressure (Pa)
ρ 5 = Density (kg/m3 )
C = Discharge Coefficient
A 6 = Nozzle Discharge Station Area (m3 )
Study Content and Method
Study Procedure
Design and Development of Experiments
Experimental conditions per vegetation bio-filter material
Table 2
Bio-Filter Material Type | Pre Filter | Non-Woven Fabric | Fiber-based Vegetation Mat | Agricultural Felt |
---|---|---|---|---|
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Weight (g/m3) | 65±6 | 65±6 | 12,879.7 | 80~500 |
Tensile Strength (N/cm2) | MD 78.4 ± 29.4 | MD 333.2 | 75.2 | - |
Monitoring Design
Calculating AHU energy consumption linked with pressure loss
Conclusion and Consideration
AHU operation environment configuration for pressure loss measurement
Reference Pressure Loss according to Static Pressure in the Experiment
Table 5
Air Flow | 400 CMH | 600 CMH | 800 CMH | 1,000 CMH | |
---|---|---|---|---|---|
Pressure Loss | min | -91.5 | -211.5 | -407.0 | -655.2 |
avg | -90.3 | -210.1 | -404.0 | -651.2 | |
max | -89.4 | -208.8 | -394.2 | -639.1 | |
sd | 0.4 | 0.7 | 2.2 | 3.5 |