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Learn about the history, construction, and types of centrifugal fans, mechanical devices for moving air or other gases in a direction at an angle to the incoming fluid. Compare centrifugal fans with axial fans and positive-displacement blowers, and see examples of applications and components.
HVAC stands for heating, ventilation, and air conditioning, which is the use of various technologies to control the temperature, humidity, and purity of the air in an enclosed space. Learn about the history, functions, and types of HVAC systems, as well as their applications and benefits.
There are several means of controlling the flow rate of a fan, e.g., temporarily reducing the air or gas flow rate; these can be applied to both centrifugal and axial fans. Speed Variation - All of the fan types described above can be used in conjunction with a variable speed driver.
A fan coil unit (FCU) is a device that combines a heat exchanger and a fan to condition air in HVAC systems. Learn about the different configurations, applications, and control methods of FCUs, as well as their advantages and disadvantages.
Love Message" is a song created by Scooter, Masterboy, E-Rotic, Mr. President, Fun Factory, Worlds Apart and U96 in 1996 as a message about preventing the spread of AIDS. It was released as a 12" single on Polydor 's Club Zone label.
A Roots blower is a positive displacement lobe pump that operates by pumping a fluid with a pair of meshing lobes. It is used for induction, pneumatic conveying, sirens, gas meters and cabin pressurisation in various applications.
A fan is a powered machine that creates a flow of air by rotating blades or vanes. Learn about the different types of fans, their history from ancient to modern times, and their various uses in climate control, ventilation, cooling and more.
Learn about the different types of AC motors, such as induction, synchronous and brushless, and how they operate on alternating current. Find out the history of AC motor invention and the factors that affect its speed and torque.