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What is the impact of the fan blades of the SANYO DENKI cooling fan on its performance?
- Categories:Technology
- Author:rain
- Origin:capital
- Time of issue:2023-05-05 11:41
- Views:
(Summary description) What is the impact of the fan blades of the SANYO DENKI cooling fan on its performance? I believe that we are all familiar with cooling fans. Nowadays, various devices are generally used. When purchasing a cooling fan, most users pay attention to its air volume, noise, power consumption, and other fan parameters. However, fan blade users rarely pay attention to it, and the parameter performance has been confirmed. However, we are not clear that the fan blade actually affects the performance of the cooling fan. Let's learn more about it one by one, How do the fan blades affect the performance of the cooling fan, and what about the doorways inside? 1. Smoothness of blades The smoothness of the cooling fan blades. If the blades are not smooth and flat enough, and the workmanship is rough, the cooling fan will generate turbulence during operation, increase friction, and therefore increase noise. This depends on the supplier's mold forming and post-processing technology. 2. Blade spacing If we pay attention, we will know that the blade spacing of narrow fan blades is generally relatively large, which leads to the dispersion of air flow and affects the airflow flow. Therefore, the heat dissipation performance of the fan is weakened, with insufficient air volume and air pressure. However, if the distance between the fan blades is too small, it will lead to uneven airflow, increase friction on the blade surface, and affect the fan speed. 3. Number of fan blades Generally, the fan blade structure of a heat dissipation fan is composed of odd numbers such as 5, 7, 9, 11, etc., because even numbers of fan blades are symmetrical, which not only makes it difficult to adjust the balance of the heat dissipation fan itself, but also easily causes resonance of the heat dissipation fan, which will cause the blades or shaft center to break. Therefore, all fan blades are composed of odd numbers, and increasing the number of fan blades under certain other parameters will result in more fan blades and more air output, The main reason is that the mountains divide the airflow into multiple parts, and the pressure of the airflow on the fan blades will also decrease accordingly. Therefore, the friction between the airflow and the mountains will also decrease, but the wind pressure will also decrease accordingly. 4. Blade inclination angle At the same speed, if the inclination angle of the cooling fan blades is greater, the wind pressure on the upper and lower surfaces of the blades will also be greater. If the surface pressure on the fan is too high, it may cause backflow and reduce the performance of the fan. So the inclination angle of the fan blades should also be reasonably designed. 5. Blade curvature Within a certain range, if the curvature of the cooling fan blades is larger, the kinetic energy of the gas will also be greater at the same speed, that is, the air volume and pressure will be greater, and the resistance of the blades will also be greater, requiring greater torque from the motor. 6. Blade radian In addition to having a certain curvature on the cross-section, the fan blades do not extend straight along the radial direction in the overhead plane, but rather slightly bend in the direction of rotation, forming a certain arc. If the blades extend straight along the radial direction, the airflow driven by the fan rotation will be scattered on one side of the air outlet, with a short supply distance and no concentration of "force"; If the current product version is slightly curved, it can ensure that the blown airflow is concentrated in the cylindrical space directly in front of the air outlet, increasing the supply distance and air pressure. Capital Technology Co., Limited is the chief agent of SANYO DENKI, one of the leading enterprises of the cooling fan industry. We are a factory who also have our own independent brand CAPITAL product series. The main products are cooling fan, DC/AC fan, radiator, filter, reactor etc. We can provide customer with the most professional and perfect technical support, welcome to contact me at anytime at rainlee@szcpt.com.
What is the impact of the fan blades of the SANYO DENKI cooling fan on its performance?
(Summary description)
What is the impact of the fan blades of the SANYO DENKI cooling fan on its performance?
I believe that we are all familiar with cooling fans. Nowadays, various devices are generally used. When purchasing a cooling fan, most users pay attention to its air volume, noise, power consumption, and other fan parameters. However, fan blade users rarely pay attention to it, and the parameter performance has been confirmed. However, we are not clear that the fan blade actually affects the performance of the cooling fan. Let's learn more about it one by one, How do the fan blades affect the performance of the cooling fan, and what about the doorways inside?
1. Smoothness of blades
The smoothness of the cooling fan blades. If the blades are not smooth and flat enough, and the workmanship is rough, the cooling fan will generate turbulence during operation, increase friction, and therefore increase noise. This depends on the supplier's mold forming and post-processing technology.
2. Blade spacing
If we pay attention, we will know that the blade spacing of narrow fan blades is generally relatively large, which leads to the dispersion of air flow and affects the airflow flow. Therefore, the heat dissipation performance of the fan is weakened, with insufficient air volume and air pressure. However, if the distance between the fan blades is too small, it will lead to uneven airflow, increase friction on the blade surface, and affect the fan speed.
3. Number of fan blades
Generally, the fan blade structure of a heat dissipation fan is composed of odd numbers such as 5, 7, 9, 11, etc., because even numbers of fan blades are symmetrical, which not only makes it difficult to adjust the balance of the heat dissipation fan itself, but also easily causes resonance of the heat dissipation fan, which will cause the blades or shaft center to break. Therefore, all fan blades are composed of odd numbers, and increasing the number of fan blades under certain other parameters will result in more fan blades and more air output, The main reason is that the mountains divide the airflow into multiple parts, and the pressure of the airflow on the fan blades will also decrease accordingly. Therefore, the friction between the airflow and the mountains will also decrease, but the wind pressure will also decrease accordingly.
4. Blade inclination angle
At the same speed, if the inclination angle of the cooling fan blades is greater, the wind pressure on the upper and lower surfaces of the blades will also be greater. If the surface pressure on the fan is too high, it may cause backflow and reduce the performance of the fan. So the inclination angle of the fan blades should also be reasonably designed.
5. Blade curvature
Within a certain range, if the curvature of the cooling fan blades is larger, the kinetic energy of the gas will also be greater at the same speed, that is, the air volume and pressure will be greater, and the resistance of the blades will also be greater, requiring greater torque from the motor.
6. Blade radian
In addition to having a certain curvature on the cross-section, the fan blades do not extend straight along the radial direction in the overhead plane, but rather slightly bend in the direction of rotation, forming a certain arc. If the blades extend straight along the radial direction, the airflow driven by the fan rotation will be scattered on one side of the air outlet, with a short supply distance and no concentration of "force"; If the current product version is slightly curved, it can ensure that the blown airflow is concentrated in the cylindrical space directly in front of the air outlet, increasing the supply distance and air pressure.
Capital Technology Co., Limited is the chief agent of SANYO DENKI, one of the leading enterprises of the cooling fan industry. We are a factory who also have our own independent brand CAPITAL product series. The main products are cooling fan, DC/AC fan, radiator, filter, reactor etc. We can provide customer with the most professional and perfect technical support, welcome to contact me at anytime at rainlee@szcpt.com.
- Categories:Technology
- Author:rain
- Origin:capital
- Time of issue:2023-05-05 11:41
- Views:
What is the impact of the fan blades of the SANYO DENKI cooling fan on its performance?
I believe that we are all familiar with cooling fans. Nowadays, various devices are generally used. When purchasing a cooling fan, most users pay attention to its air volume, noise, power consumption, and other fan parameters. However, fan blade users rarely pay attention to it, and the parameter performance has been confirmed. However, we are not clear that the fan blade actually affects the performance of the cooling fan. Let's learn more about it one by one, How do the fan blades affect the performance of the cooling fan, and what about the doorways inside?
1. Smoothness of blades
The smoothness of the cooling fan blades. If the blades are not smooth and flat enough, and the workmanship is rough, the cooling fan will generate turbulence during operation, increase friction, and therefore increase noise. This depends on the supplier's mold forming and post-processing technology.
2. Blade spacing
If we pay attention, we will know that the blade spacing of narrow fan blades is generally relatively large, which leads to the dispersion of air flow and affects the airflow flow. Therefore, the heat dissipation performance of the fan is weakened, with insufficient air volume and air pressure. However, if the distance between the fan blades is too small, it will lead to uneven airflow, increase friction on the blade surface, and affect the fan speed.
3. Number of fan blades
Generally, the fan blade structure of a heat dissipation fan is composed of odd numbers such as 5, 7, 9, 11, etc., because even numbers of fan blades are symmetrical, which not only makes it difficult to adjust the balance of the heat dissipation fan itself, but also easily causes resonance of the heat dissipation fan, which will cause the blades or shaft center to break. Therefore, all fan blades are composed of odd numbers, and increasing the number of fan blades under certain other parameters will result in more fan blades and more air output, The main reason is that the mountains divide the airflow into multiple parts, and the pressure of the airflow on the fan blades will also decrease accordingly. Therefore, the friction between the airflow and the mountains will also decrease, but the wind pressure will also decrease accordingly.
4. Blade inclination angle
At the same speed, if the inclination angle of the cooling fan blades is greater, the wind pressure on the upper and lower surfaces of the blades will also be greater. If the surface pressure on the fan is too high, it may cause backflow and reduce the performance of the fan. So the inclination angle of the fan blades should also be reasonably designed.
5. Blade curvature
Within a certain range, if the curvature of the cooling fan blades is larger, the kinetic energy of the gas will also be greater at the same speed, that is, the air volume and pressure will be greater, and the resistance of the blades will also be greater, requiring greater torque from the motor.
6. Blade radian
In addition to having a certain curvature on the cross-section, the fan blades do not extend straight along the radial direction in the overhead plane, but rather slightly bend in the direction of rotation, forming a certain arc. If the blades extend straight along the radial direction, the airflow driven by the fan rotation will be scattered on one side of the air outlet, with a short supply distance and no concentration of "force"; If the current product version is slightly curved, it can ensure that the blown airflow is concentrated in the cylindrical space directly in front of the air outlet, increasing the supply distance and air pressure.
Capital Technology Co., Limited is the chief agent of SANYO DENKI, one of the leading enterprises of the cooling fan industry. We are a factory who also have our own independent brand CAPITAL product series. The main products are cooling fan, DC/AC fan, radiator, filter, reactor etc. We can provide customer with the most professional and perfect technical support, welcome to contact me at anytime at rainlee@szcpt.com.
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