public void T01_Should_create()
{
// kiloWatt
var power = Power.FromKiloWatt(123);
var theSamePower = new Power(123, PowerUnits.KiloWatt);
// Temperature
var tempC = CelsiusTemperature.FromDegree(23);
var tempK = KelvinTemperature.FromDegree(300);
// length
var meters = Length.FromMeter(10);
var miliMeter = Length.FromMilimeters(45);
// density kg/m³
var density = new Density(23, MassUnits.Kg, VolumeUnits.CubicMeter);
// stream [m³/s] [m³/h]
var stream1 = new VolumeStream(34, VolumeUnits.CubicMeter, TimeUnits.Second);
var stream2 = new VolumeStream(34, VolumeUnits.CubicMeter, TimeUnits.Hour);
// [J/kg*K] is supported
// [kJ/kg*C] is not supported
var specificHeatCapacityUnit = new SpecificHeatCapacityUnit(
EnergyUnits.Joule,
MassUnits.Kg,
KelvinTemperatureUnits.Degree);
var waterSpecificHeatCapacity = new SpecificHeatCapacity(4211, specificHeatCapacityUnit);
var velocity1 = Velocity.FromMeterPerSecond(12);
var velocity2 = new Velocity(2, LengthUnits.Feet, TimeUnits.Minute);
var pressure = new Pressure(123, PressureUnits.KiloPascal);
}
public void T01_Should_calculate_pipe_diameter()
{
var tempSupply = CelsiusTemperature.FromDegree(130);
var tempReturn = CelsiusTemperature.FromDegree(95);
Assert.Equal("95°C", tempReturn.ToString());
// J/kg*K
var waterSpecificHeatCapacity = new SpecificHeatCapacityUnit(
EnergyUnits.Joule,
MassUnits.Kg,
KelvinTemperatureUnits.Degree);
var cp = new SpecificHeatCapacity(4211, waterSpecificHeatCapacity);
var requestedPower = Power.FromKiloWatt(300);
Assert.Equal("300kW", requestedPower.ToString());
var tempDifference = tempSupply - tempReturn;
var energyDensity = cp * tempDifference;
Assert.Equal("147385J/kg", energyDensity.ToString());
var newUnit = EnergyMassDensityUnits.KiloWattHourPerTone;
energyDensity = energyDensity.ConvertTo(newUnit.Unit);
Assert.Equal("40.9403kWh/t", energyDensity.Round(4).ToString());
{
// other mul order - result should be the same
var a1 = tempDifference * cp;
Assert.Equal("147385J/kg", a1.ToString());
}
// ============ mass stream
var massStream = requestedPower / energyDensity;
Assert.Equal(7.3277470570275129762187468138m, massStream.Value, 10);
Assert.Equal("t/h", massStream.Unit.UnitName);
var waterDensity = new Density(961.9m, MassUnits.Kg, VolumeUnits.CubicMeter);
var volumeStream = massStream / waterDensity;
Assert.Equal(7.6179925741007516126611360992m, volumeStream.Value, 10);
Assert.Equal("m³/h", volumeStream.Unit.UnitName);
//var liquidSpeed = new Velocity(1, LengthUnits.Meter, TimeUnits.Second);
var liquidSpeed = Velocity.FromMeterPerSecond(1);
Assert.Equal(1, liquidSpeed.Value, 10);
Assert.Equal("m/s", liquidSpeed.Unit.UnitName);
var pipeArea = volumeStream / liquidSpeed;
Assert.Equal(0.0021161090483613198924058713m, pipeArea.Value, 10);
Assert.Equal("m²", pipeArea.Unit.UnitName);
var diameter = pipeArea.GetCircleDiameter();
Assert.Equal(0.0519067791463266m, diameter.Value, 10);
Assert.Equal("m", diameter.Unit.UnitName);
diameter = diameter.ConvertTo(LengthUnits.Mm);
Assert.Equal(51.9067791463266m, diameter.Value, 10);
}
