Speaking ofsuction fan Friends who work in the workshop may often see it, mainly used for ventilation and cooling in enclosed spaces. So what are its main performance parameters?
In general, there are flow rate, pressure, power, efficiency, and speed, while noise and vibration levels are also important indicators in the design of fans. Let me introduce one by one: Flow rate, also known as air volume, is the manifestation of the volume of gas flowing through a fan per unit time; Pressure, also known as wind pressure, is a numerical value indicating the increase in pressure of gas inside a fan, commonly including static pressure, dynamic pressure, and total pressure; Power refers to the input power of the fan and also represents the shaft power; Efficiency refers to the ratio of the effective power of the fan to the shaft power. In general, the total pressure efficiency of the fan can reach over 90%.
Next, let's talk about the detailed classification of fans: according to different materials, there are ordinary fans (made of iron shell material), fiberglass fans, plastic fans, aluminum fans, and stainless steel duct fans; According to the different directions of gas flow, there are centrifugal flow, axial flow, oblique flow (also known as mixed flow), and cross flow; According to the different flow directions of the airflow entering the impeller, there are axial flow, centrifugal flow, and diagonal flow; According to different forms of pressurization, there are single-stage, two-stage, or multi-stage pressurization; According to different purposes, there are roof fans, air conditioning fans, axial flow fans, and mixed flow fans.
In general, there are flow rate, pressure, power, efficiency, and speed, while noise and vibration levels are also important indicators in the design of fans. Let me introduce one by one: Flow rate, also known as air volume, is the manifestation of the volume of gas flowing through a fan per unit time; Pressure, also known as wind pressure, is a numerical value indicating the increase in pressure of gas inside a fan, commonly including static pressure, dynamic pressure, and total pressure; Power refers to the input power of the fan and also represents the shaft power; Efficiency refers to the ratio of the effective power of the fan to the shaft power. In general, the total pressure efficiency of the fan can reach over 90%.
Next, let's talk about the detailed classification of fans: according to different materials, there are ordinary fans (made of iron shell material), fiberglass fans, plastic fans, aluminum fans, and stainless steel duct fans; According to the different directions of gas flow, there are centrifugal flow, axial flow, oblique flow (also known as mixed flow), and cross flow; According to the different flow directions of the airflow entering the impeller, there are axial flow, centrifugal flow, and diagonal flow; According to different forms of pressurization, there are single-stage, two-stage, or multi-stage pressurization; According to different purposes, there are roof fans, air conditioning fans, axial flow fans, and mixed flow fans.
