When doing calculations in engineering, many of the variables that we deal with are not constants. For example, if we were to calibrate a digital altimeter to collect accurate altitude position, we need the atmospheric pressure at sea level. It would be nice if pressure stay the same, then we could just hard code that number in. Unfortunately, that is not the case. Pressure changes constantly due to a number of factors.
Because of the continuously changing nature of some of the variable we deal with, this present us with a challenge in engineering. How are we supposed to design the aircraft if conditions are keep on changing?
Well, that’s when the Standard Atmosphere come into play. In simplest terms, the Standard Atmosphere is pretty much just a model that engineers and scientists came up with that generally describe what the average conditions are like. Continue reading
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