public void Convert1MPPM()
{
var expected = new double[]
{
1013.25, // 1 atm
1519.875, // 1.5 atm
506.625, // 0.5 atm
4053, // 4 atm
101.325 // 0.1 atm
};
for (var i = 0; i < ATMOS.Length; i++)
{
var result = UnitConversions.PPMToMillibars(1000000, ATMOS[i]);
Assert.AreEqual(result, GlobalConstants.EARTH_SURF_PRES_IN_MILLIBARS * ATMOS[i], DELTA);
}
}
public void ConvertZeroPPM()
{
var expected = new double[]
{
0.0, // 1atm
0.0, // 1.5atm
0.0, // 0.5atm
0.0, // 4atm
0.0 // 0.1atm
};
for (var i = 0; i < ATMOS.Length; i++)
{
var result = UnitConversions.PPMToMillibars(0, ATMOS[i]);
Assert.AreEqual(expected[i], result, DELTA);
}
}
public void ConvertPositivePPMWholeNumbersAbove1Atm()
{
var expected = new double[]
{
0.0406, // 20ppm
0.1582, // 78ppm
0.2432, // 120ppm
0.0020, // 1ppm
2.5008, // 1234ppm
111.4576, // 55000ppm
202.6500, // 100000ppm
50.6626 // 25000ppm
};
for (var i = 0; i < PPM_VALUES.Length; i++)
{
var result = UnitConversions.PPMToMillibars(PPM_VALUES[i], 2.0);
Assert.AreEqual(expected[i], result, DELTA,
String.Format("expected: {0} ppm @ {1} atm -> {2} mb, result: {3}",
PPM_VALUES[i], 2.0, expected[i], result));
}
}
public void ConvertPositivePPMWholeNumbersBelow1Atm()
{
var expected = new double[]
{
0.0102, // 20ppm
0.0396, // 78ppm
0.0608, // 120ppm
0.0005, // 1ppm
0.6252, // 1234ppm
27.8644, // 55000ppm
50.6625, // 100000ppm
12.6657 // 25000ppm
};
for (var i = 0; i < PPM_VALUES.Length; i++)
{
var result = UnitConversions.PPMToMillibars(PPM_VALUES[i], 0.5);
Assert.AreEqual(expected[i], result, DELTA,
String.Format("expected: {0} ppm @ {1} atm -> {2} mb, result: {3}",
PPM_VALUES[i], 0.5, expected[i], result));
}
}
public void ConvertPositivePPMWholeNumbers1Atm()
{
var expected = new double[]
{
0.0203, // 20ppm
0.0791, // 78ppm
0.1216, // 120ppm
0.0010, // 1ppm
1.2504, // 1234ppm
55.7288, // 55000ppm
101.3250, // 100000ppm
25.3313 // 25000ppm
};
for (var i = 0; i < PPM_VALUES.Length; i++)
{
var result = UnitConversions.PPMToMillibars(PPM_VALUES[i]);
Assert.AreEqual(expected[i], result, DELTA,
String.Format("expected: {0} ppm @ {1} atm -> {2} mb, result: {3}",
PPM_VALUES[i], 1.0, expected[i], result));
}
}