Design Method of Centrifugal Wind Wheel without Volute
A technology of centrifugal wind wheel and design method, which is applied in computer-aided design, calculation, mechanical equipment, etc., can solve problems such as uneven distribution and self-loss, and achieve the effects of reducing noise, eliminating self-loss, and eliminating self-loss areas
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[0029] Such as Figure 2-Figure 4 As shown, the present invention is a design method of a volute-less centrifugal wind rotor, including the outer diameter design of the wind rotor 1 and the blade shape design of the wind rotor blade (referred to as: wind blade) 11 .
[0030] The outer diameter design of described wind wheel 1 comprises the following steps:
[0031] (1) Calculate the primary outer diameter of the wind rotor 1: R fan 1 = δ*Rad; where: δ is a dimensionless coefficient, 0.72figure 1 shown), R fan 1 is the primary outer diameter of the wind wheel 1;
[0032] (2) Calculate the secondary outer diameter of the wind rotor 1: R fan 2 = ξ*R fan 1; where: R fan 1 is the primary outer diameter of the wind rotor 1, ξ is the dimensionless coefficient, 0.89 image 3 shown.
[0033] The airfoil design of described wind rotor blade 11 comprises the following steps:
[0034]
[0035] In the formula: P is the power of the wind wheel 1, ω is the angular velocity of the wind wh...
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