Conversion between the apparent density and standard density of refined oil products.
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As is well known, the higher the temperature, the lower the density of the oil. Our **standard for the density of various oils** is the density at 20 degrees Celsius. When measuring, we always check the temperature of the oil. Then, a lookup table is used to convert it to the standard density. Since I don’t quite understand the principle behind this, could someone who knows it well explain it to me? In other words, by how much does the specific gravity increase for every 1-degree rise in temperature? It should be a linear relationship. Could you explain it in detail?
It’s not linear; it’s a very complex calculation process that can’t be explained or understood easily in just a moment. Try using some software to see for yourself. http://bbs.hcbbs.com/forum.php?mod=viewthread&tid=975810