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BUOYANCY CALCULATOR DISCLAIMER
A few basic assumptions have been made:
- Density of salt water is 1.025 kg per litre (normally ranges between 1,020 to 1,029 kg/m3).
- Density of fresh water is 1 kg per litre.
- Density of air is 0.00126 kg per litre (normally ranges between 0.001225 and 0.001293 kg/l).
- Density of steel is 7.9 kg per litre (usually ranges between 7,750 and 8,050 kg/m3).
- Density of aluminium is 2.73 kg per litre (usually ranges between 2,640 and 2,810 kg/m3).
- The valve is 400 grams steel (normally ranges around 400 ±50 grams).
BUOYANCY CALCULATOR FORMULA
The buoyancy calculation is pretty straight forward:
- First we combine the weight of the cylinder and the valve.
- Then we calculate the volume of that weight based on its density, which is determined by the material chosen.
- After this we add the inside volume of the cylinder, to get the total volume.
- Now we multiply the total volume with the density of the water, which is determined by the type of water.
- At this point we have the total weight of the material, and we have the weight of the water that is displaced by the material.
- Then we measure the weight of the air we have, which is determined by the pressure and volume of the cylinder.
- Now we can subtract the weight of the material and the air from the weight of the displaced water, and this gives us the buoyancy.
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