Calculating Required Area for Radiator: Clarifying Confusion

In summary, calculating the required area for a radiator is important in selecting the appropriate size to effectively heat a space. This is typically done by considering the size of the room, desired temperature, and heat output of the radiator. Factors such as insulation, windows, and location of the room can affect the required area. The accuracy of the calculation depends on the input data and method used. If the required area is not available, it is recommended to choose a slightly larger radiator to ensure adequate heating.
  • #1
hooyn
1
0
When calculating the required area for a radiator using the equation

Mass flow rate of air = Required Area x density of air x velocity of air

Does the Required Area mean the Surface area on both sides of the radiator OR does it mean the total surface area of the cooling fins and tubes etc. ?

The value that I acquired is 0.6387m^2 which seems to be substantially larger than I expected.
thanks in advance
 
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  • #2
Total area that comes in (effective) contact with the flowing air.

You'd be surprised how small the 0.64m² finned radiator will end up being.
 

What is the purpose of calculating the required area for a radiator?

The purpose of calculating the required area for a radiator is to ensure that the radiator is able to effectively heat the desired space. By determining the required area, the appropriate size of radiator can be selected to provide optimal heating.

How is the required area for a radiator calculated?

The required area for a radiator is typically calculated by taking into account the size of the room, the desired temperature, and the heat output of the radiator. This calculation can be done using a mathematical formula or through the use of online calculators.

What factors can affect the required area for a radiator?

Several factors can affect the required area for a radiator, including the insulation of the room, the number and size of windows, and the location of the room within the building. These factors can impact the amount of heat loss in the room and therefore affect the required area for the radiator.

How accurate are the calculations for required area for a radiator?

The accuracy of the calculations for required area for a radiator will depend on the accuracy of the input data and the formula or calculator being used. It is important to ensure that all relevant factors are taken into consideration to achieve a more accurate calculation.

What should I do if the required area for a radiator is not available?

If the required area for a radiator is not available, it is recommended to choose a radiator with a slightly larger area than the calculated value. This will ensure that the room is adequately heated and minimize the risk of underheating.

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