Carangidae fish simulation forwardly bent type multi-blade centrifugal fan blade and method for manufacturing same
A centrifugal fan and fish technology, applied in mechanical equipment, non-variable pumps, machines/engines, etc., can solve the problems of affecting the indoor environment, disturbing the quiet environment, and large dynamic noise, so as to reduce quality and reduce aerodynamic noise , the effect of strong work ability
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[0027] The present invention is described in further detail below in conjunction with accompanying drawing:
[0028] Studies have shown that fish have evolved various shapes and complete physiological structures during the long-term evolution process, and these shapes and structures correspondingly enable them to have excellent swimming performances such as high efficiency and fast speed. In addition to the unique swing propulsion method, the high-efficiency swimming performance of fish also benefits from its effective drag reduction mechanism. In addition to the non-smooth structure of the fish skin, this drag reduction mechanism is also directly related to the streamlined shape of the fish. Therefore, based on reverse reconstruction engineering, the streamlined shape of the fish can be applied to the impeller of the multi-blade centrifugal fan, so that the blades have a better drag reduction effect, increase the air volume, and reduce the pressure fluctuations on the blade s...
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