This tool estimates the reduction in force exerted by the atmosphere on a surface as air moves through a system, such as a duct, pipe, or filter. For example, when air passes through a long ventilation shaft, friction against the walls causes a decrease in its impetus. The device quantifies this loss based on factors including flow rate, the properties of the conveyance through which the air passes, and the characteristics of the air itself.
Accurate determination of the decrease in impetus is crucial for efficient system design and operation. It enables engineers to select appropriate components, optimize airflow, and minimize energy consumption. Understanding this phenomenon prevents issues like insufficient ventilation, equipment malfunction, and increased operational costs. Its principles have been utilized for many years, evolving alongside advancements in fluid dynamics and engineering practices.