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What does 12000 cubic meters of air mean?

Sending or inhaling 20000 cubic meters of air per hour. The air volume refers to the total volume of air sent out or sucked in by the air-cooled radiator fan per minute. If calculated in cubic feet, the unit is CFM; If calculated in cubic meters, it is CMM, and the air volume unit commonly used in radiator products is CFM. CMH stands for Cube Meter Hour (m/h), which means cubic meters per hour. The conversion is 1L/S=3.6CMH, and 900 is 250 liters/second, which is 0.25 cubic meters/second. When the material of the heat sink is the same, air volume is the most important indicator to measure the heat dissipation capacity of an air-cooled radiator. Obviously, the larger the airflow, the higher the heat dissipation capacity of the radiator. This is because the heat capacity of air is constant, and a larger air volume means that more air can carry away more heat per unit time. Of course, the heat dissipation effect is related to the flow of wind under the same air volume.

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3. May I ask what CMH is equivalent to converting 1CFM into units?

76606cmh. Cmh stands for cubic meter per hour (m/h), which means cubic meter per hour. However, cmh is generally only used to indicate the air volume in the wind system, and water volume is still mostly expressed in cubic meters per hour. Reference formula: CMM (cubic meters per minute) in the wind system; Cmh (cubic meters per hour); Cfm (cubic feet per minute); Ls (liters/second). 1cmm=60cmh1cfm=1.7cmh1l/s=3.6cmh Comprehensive appeal: 1cmm=60cmh=35.245cfm

4. What is the unit of CMH? CMH means cubic meters per hour in Chinese. CMH is an abbreviation for cube meter hour (m ³/h) in English, used to represent the unit of airflow or water flow. It is generally understood as the amount of air in a wind system per hour in cubic meters. In the wind system, 1CMH=60CMM; 1CFM=1.7CMH； 1L/s=3.6CMH。 Additional information: The common air volume unit CFM is the commonly used imperial flow unit, which is cubic feet per minute. The air flow rate of a certain volume that wind passes through per unit time is generally expressed in m3/h air volume unit in China, and in foreign countries, it is also expressed in cubic foot per minute (cfm), which is equivalent to ft3/min. CFM=28.2 L/MIN=0.7 m3/min。 Reference source: Baidu Baike cmh Reference source: Baidu Baike cfm

5. What is the relationship between CMM and CFM?

1CMM=35.245CFM。 CMM and CFM are both units of air volume. The air volume refers to the total volume of air sent out or sucked in by the air-cooled radiator fan per minute. If calculated in cubic feet, the unit is CFM; If calculated in cubic meters, it is CMM, and the air volume unit commonly used in radiator products is CFM. The conversion formula for wind speed and air volume is L=3600 * F * V. In the formula: F - ventilation area of the air outlet (m2), V - measured average wind speed of the air outlet (m/s). Calculate the air volume, wind speed, and pipe diameter at the outlet of the exhaust fan: pipe diameter D (m); Wind speed U (m/s); Airflow Q (m3/h); S cross-sectional area (m). L pipeline length (m) D=√ {4Q/(3.14U3600)} U=Q * 4/{(D/2) ^ 2 * 3.14 * 3600}. Additional information: Airflow unit: CFS: Cubic Feet Per Second, cubic feet per second (ft3/s) CFM: Cubic Feet Per Minute, cubic feet per minute (ft3/min) CMS: Cubic Meter Per Second, cubic meters per second (m3/s) CMM: Cubic Meter Per Mi

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