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[Did You Know About Cooling?] Ways to Address Excessive Airflow from Cooling Fans

Category:

Industry Trends

Release time:

2019-08-07

Under the condition that the heatsink material is the same, airflow is the most important metric for evaluating the heat dissipation capability of an air-cooled heatsink. Obviously, the greater the airflow of a heatsink, the higher its heat dissipation capacity will be. The airflow rating of a cooling fan is a crucial performance parameter for the fan itself. When a fan’s airflow exceeds the actual range we need, it constitutes a waste of resources and can also create certain obstacles in our use of the fan. Although there are still some methods available to control the airflow of cooling fans, we must first gain a thorough understanding of and master the relevant knowledge about cooling fans before we can effectively manage their various parameters. Next, let our editor share with you some tips on how to avoid... Cooling fan Some issues caused by excessive airflow:
First, we can adjust the speed of the cooling fan by lowering its rotational speed to achieve the desired airflow range.
Second, the opening and closing degree of the ventilation door can be adjusted by regulating the cooling fan, thereby controlling the airflow volume and ensuring that the fan’s air flow rate stays within the desired range.
Third, we can also adjust the air pressure of the cooling fan—either increasing or decreasing it—to change the airflow volume, thereby meeting our requirements.
Fourth, adjust the flow rate by changing the resistance coefficient of the pipeline network.
Under the condition that the heatsink material is the same, airflow is the most important metric for evaluating the heat dissipation capability of an air-cooled heatsink. Obviously, the greater the airflow, the higher the heatsink’s heat dissipation capacity. This is because the specific heat capacity of air is constant—thus, a larger airflow means that more air can carry away more heat per unit of time.
The above are some useful tips for addressing the issue of excessive airflow in cooling fans. Shenzhen Jiangshanlai Electronic Technology Co., Ltd. is a large-scale enterprise integrating customization, R&D, manufacturing, sales, and service of DC brushless motors, DC cooling fans, DC brushless fans, DC stand fans, boosted cooling fans, miniature cooling fans, DC cooling fans, DC blowers, and non-standard fans. We are a wholesale manufacturer and supplier of DC fans. Our products are best-selling in Guangdong Province—including Shenzhen, Guangzhou, and Dongguan—as well as in Fujian, Zhejiang, and Jiangsu provinces.
If you have any needs, feel free to consult us.

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