Axial Fan Blade Pitch Angle

By using an integrated hydraulic control system to vary the blade angle while the fan is in normal operation performance can be instantly matched to changing demands while the fan is running at a constant speed for maximum economy.

Axial fan blade pitch angle.

The blade pitch angle. Variable pitch axial flow fans are used for vav air conditioning systems. Variable pitch axial flow fans are special type of axial fans with adjustable impeller blades that are built to handle broad operating ranges in critical industrial applications. The flow is axial at entry and exit.

There are typically four criteria used in the design of propeller blades or fan blades. The material it is made from. S and im y. These fans include an internal mechanism that can automatically adjust blade angle while the fan rotor is in motion.

3 1 3 blade pitch control fig. The characteristics for a typical fan are given in fig. By comparison a. 6 23 d the blade pitch control is applied to the axial fan with a fixed speed to control the air flow.

1 0 definition of axial fans an axial flow fan moves air or gas parallel to the axis of rotation. Stage adjustable pitch axial fans provides exceptional energy efficiency across a wide operating range. An axial fan is a type of fan that causes gas to flow through it in an axial direction parallel to the shaft about which the blades rotate. The number of blades.

Industrial fan blades axial fan blades or propellers. The pitch angle of the blades are varied through a controller e g a pneumatic actuator with increasing blade angle for increasing flow rates and vice versa for reducing flow rates. It is worth noting that in these cases some. The blade angle is adjusted with the help of a hydraulic actuator fixed with the shaft from minimum to maximum position to ensure maximum possible efficiency.

For blower wheels centrifugal wheels see blower wheels page. The fan is designed to produce a pressure difference and hence force to cause a flow through the fan factors which determine the performance of the fan include the number and shape of the blades.