Seeking advice on the energy-saving aspects of fiberglass fans
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I once read a foreign report stating that fiberglass fans are 10% more energy-efficient than fans with metal blades. Since the density of fiberglass is lower than that of metals, the resistance to rotation is smaller. What are everyone’s thoughts? Has anyone considered energy savings when using fiberglass fans? Thank you.
This has always been a concern for owners: 1) When choosing fiberglass fans, there are definitely corrosive gas components involved. (For organic materials with a content of over 10%, fiberglass fans cannot be used; fiberglass is not recommended for temperatures above 80 degrees.) 2) Metals are heavier than fiberglass, so it’s not very meaningful to use this factor to determine power levels. 3) Energy conservation is primarily based on the entire process of the fan (such as the design of the impeller, casing, and inlet), as the fan represents a manifestation of fluid dynamics. The conversion of electrical energy into mechanical energy results in shaft power; this shaft power represents the actual electricity consumption of the fan. 4) The simplest way is actually to measure the current. Also, just because they use the same type of motor doesn’t mean they’re not energy-efficient; their motor currents can vary.