If you might have observed, the turbine blades and ceiling fansblades tend to differ from each other in various aspects. Right from the overall designing to its operation, there are certain aspects in which these blades differ. If you are willing to know more about the differences between the turbine blades & ceiling fan blades, then read this post.
Differences between Turbine Blades & Ceiling Fan Blades
Here are some major points of difference that exists between the blades of a turbine to that of the ceiling fans:
- Operating Conditions: One of the major differences that exist between the ceiling fan or table fan and the turbine or turbine compressor is the operating conditions. The ceiling fan or the table fan is required to be operated at a relatively lower velocity & pressure ratios. On the other hand, the blades of the turbine or turbine compressor need to be operated at very high pressure ratios. Therefore, the presence of the slight curve in the ceiling fan or table fan profile serves the right purpose.
- Design Criteria: Another major point of difference that arises in the blade profiles of the turbine & the ceiling fans is the overall design criteria. The wind turbine or the turbine compressor blades have been designed towards capturing high-velocity winds for generating electricity in an effective manner. On the other hand, the ceiling fan blades are required to accelerate at a lower velocity combine with inexpensive components towards bringing about the necessary cool in the room temperatures.
- Airfoil Shape: The turbines usually have thicker airfoil shapes in comparison to that of the ceiling fans or table fans. A thick airfoil implies a solid or hollow construction. This tends to increase the overall costs of the given setup. Owing to the need of moving the high-velocity winds or creating air or thrust differentials as in the case of the wind turbines, the airfoil shape of the blades is a vital component. This aspect is missing in the ceiling fans that do not require such specialization.
- Noise Generation: To work in an efficient manner and generate less noise on an overall basis, the blades of the turbines are designed in a specific manner. For keeping the drivetrain expenses low, the wind turbine is expected to capture the energy present in the high-velocity air and keep rotating at a relatively lower speed. This is done within limits in order to avoid the generation of excessive noise.
On the other hand, in case of ceiling fans, the main aim is to keep the occupants of the room comfortable by circulating air in a gentle manner. Its engineering towards minimizing the production of excess noise is achieved by rotating the blades in slower, circulation motions.
- Energy Efficiency: The blades of the turbines have been engineered towards maximizing energy efficiency. A combination of economic & structural factors drives the utilization of the 3 blades construction on most of the wind turbines which brings about effective energy efficiency along with an overall reduction in the costs. On the other hand, energy efficiency is not a primary concern when it comes to the construction of the ceiling fans. As the overall operation tends to be inexpensive, ceiling fansare known to be running throughout the day for 24 hours with a minimum average cost of energy. For this reason, most of the ceiling fans come with blade designing that function as relatively inefficient drag devices –in the combination of usually 3, 4, or 5 blades design.
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