Linear slot diffusers (LSDs) are sleek and versatile air distribution devices that seamlessly integrate into various architectural settings. They offer a discreet and efficient means of distributing airflow, making them an ideal choice for commercial, institutional, and industrial applications.
LSDs are characterized by their long, narrow design, which allows them to be installed flush with ceilings or walls. They consist of a series of parallel slots through which air is discharged into the space. The size, spacing, and orientation of these slots can be customized to achieve the desired airflow pattern.
There are two main types of LSDs:
These LSDs are installed along walls or columns. They discharge airflow parallel to the wall, creating a uniform air distribution over the length of the diffuser.
Installed flush with ceilings, ceiling LSDs discharge airflow vertically downward. They provide a widespread distribution of airflow, covering a larger area than sidewall diffusers.
When designing and installing LSDs, there are a few common mistakes to avoid:
Installing LSDs is a relatively straightforward process that can be completed in a few steps:
LSDs play a significant role in indoor air quality, comfort, and energy efficiency.
According to the American Society of Heating, Refrigerating, and Air-Conditioning Engineers (ASHRAE), the following key metrics should be considered when evaluating LSDs:
Slot Width | Throw Distance (fpm) |
---|---|
0.25 inches | 10-15 feet |
0.50 inches | 15-25 feet |
1.00 inch | 25-35 feet |
2.00 inches | 40-50 feet |
Slot Width | Slot Spacing | ACE |
---|---|---|
1.00 inch | 12 inches | 0.80-0.90 |
1.50 inches | 18 inches | 0.85-0.95 |
2.00 inches | 24 inches | 0.90-0.98 |
Airflow Rate (cfm) | Noise Level (dBA) |
---|---|
100 | 25-30 |
200 | 30-35 |
300 | 35-40 |
400 | 40-45 |
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