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CoolProp wrapper for C#

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# SharpProp

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[CoolProp](https://www.coolprop.org) wrapper for C#

## Navigation

- [How to install](#how-to-install)
- [Supported platforms](#supported-platforms)
- [Unit safety](#unit-safety)
- [Project structure](#project-structure)
- [List of properties](#list-of-properties)
    - [Properties of `Fluid` and `Mixture` instances](#properties-of-fluid-and-mixture-instances)
    - [Properties of `HumidAir` instances](#properties-of-humidair-instances)
- [List of methods](#list-of-methods)
    - [Methods of `Fluid` instances](#methods-of-fluid-instances)
    - [Methods of `Mixture` instances](#methods-of-mixture-instances)
    - [Methods of `HumidAir` instances](#methods-of-humidair-instances)
- [Examples](#examples)
    - [Pure fluids](#pure-fluids)
    - [Incompressible binary mixtures](#incompressible-binary-mixtures)
    - [Mixtures](#mixtures)
    - [Humid air](#humid-air)
    - [Equality of instances](#equality-of-instances)
    - [Converting to a JSON string](#converting-to-a-json-string)
    - [Deep cloning](#deep-cloning)
    - [Adding other properties](#adding-other-properties)
    - [Adding other inputs](#adding-other-inputs)
- [License](#license)

## How to install

Add it via CLI:

```shell
dotnet add package SharpProp
```

Or go to [NuGet Gallery | SharpProp](https://www.nuget.org/packages/sharpprop) for detailed instructions.

## Supported platforms

- `Linux AArch64`
- `Linux x86-64`
- `macOS AArch64`
- `macOS x86-64`
- `Windows AArch64`
- `Windows x86-64`

## Unit safety

All calculations of thermophysical properties are **_unit safe_** (thanks to
[UnitsNet](https://github.com/angularsen/UnitsNet)). This allows you to avoid errors associated
with incorrect dimensions of quantities, and will help you save a lot of time on their search
and elimination. In addition, you will be able to convert all values to many other dimensions
without the slightest difficulty.

## Project structure

- `Fluid` class - an implementation of pure fluids and binary mixtures (`IFluid` interface)
- `Mixture` class - an implementation of mixtures with pure fluids components (`IMixture` interface)
- `FluidsList` enum - a list of all available fluids
- `Input` record - the inputs for the `Fluid` and `Mixture` classes (`IKeyedInput<parameters>` interface)
- `HumidAir` class - an implementation of real humid air (`IHumidAir` interface)
- `InputHumidAir` record - the inputs for the `HumidAir` class (`IKeyedInput<string>` interface)

## List of properties

If the required property is not present in the instance of the fluid,
then you can add it by extending the `Fluid`, `Mixture` or `HumidAir` classes
(see [how to add other properties](#adding-other-properties)).

### Properties of `Fluid` and `Mixture` instances

- `Compressibility` - compressibility factor _(dimensionless)_
- `Conductivity` - thermal conductivity _(by default, W/m/K)_
- `CriticalPressure` - absolute pressure at the critical point _(by default, kPa)_
- `CriticalTemperature` - temperature at the critical point _(by default, °C)_
- `Density` - mass density _(by default, kg/m3)_
- `DynamicViscosity` - dynamic viscosity _(by default, mPa\*s)_
- `Enthalpy` - mass specific enthalpy _(by default, kJ/kg)_
- `Entropy` - mass specific entropy _(by default, kJ/kg/K)_
- `FreezingTemperature` - temperature at the freezing point (for incompressible fluids) _(by default, °C)_
- `InternalEnergy` - mass specific internal energy _(by default, kJ/kg)_
- `KinematicViscosity` - kinematic viscosity _(by default, cSt)_
- `MaxPressure` - maximum pressure limit _(by default, kPa)_
- `MaxTemperature` - maximum temperature limit _(by default, °C)_
- `MinPressure` - minimum pressure limit _(by default, kPa)_
- `MinTemperature` - minimum temperature limit _(by default, °C)_
- `MolarMass` - molar mass _(by default, g/mol)_
- `Phase` - phase state _(enum)_
- `Prandtl` - Prandtl number _(dimensionless)_
- `Pressure` - absolute pressure _(by default, kPa)_
- `Quality` - mass vapor quality _(by default, %)_
- `SoundSpeed` - sound speed _(by default, m/s)_
- `SpecificHeat` - mass specific constant pressure specific heat _(by default, kJ/kg/K)_
- `SpecificVolume` - mass specific volume _(by default, m3/kg)_
- `SurfaceTension` - surface tension _(by default, N/m)_
- `Temperature` - temperature _(by default, °C)_
- `TriplePressure` - absolute pressure at the triple point _(by default, kPa)_
- `TripleTemperature` - temperature at the triple point _(by default, °C)_

### Properties of `HumidAir` instances

- `Compressibility` - compressibility factor _(dimensionless)_
- `Conductivity` - thermal conductivity _(by default, W/m/K)_
- `Density` - mass density per humid air unit _(by default, kg/m3)_
- `DewTemperature` - dew-point temperature _(by default, °C)_
- `DynamicViscosity` - dynamic viscosity _(by default, mPa\*s)_
- `Enthalpy` - mass specific enthalpy per humid air _(by default, kJ/kg)_
- `Entropy` - mass specific entropy per humid air _(by default, kJ/kg/K)_
- `Humidity` - absolute humidity ratio _(by default, g/kg d.a.)_
- `KinematicViscosity` - kinematic viscosity _(by default, cSt)_
- `PartialPressure` - partial pressure of water vapor _(by default, kPa)_
- `Prandtl` - Prandtl number _(dimensionless)_
- `Pressure` - absolute pressure _(by default, kPa)_
- `RelativeHumidity` - relative humidity ratio _(by default, %)_
- `SpecificHeat` - mass specific constant pressure specific heat per humid air _(by default, kJ/kg/K)_
- `SpecificVolume` - mass specific volume per humid air unit _(by default, m3/kg)_
- `Temperature` - dry-bulb temperature _(by default, °C)_
- `WetBulbTemperature` - wet-bulb temperature _(by default, °C)_

## List of methods

For more information, see the XML documentation.

### Methods of `Fluid` instances

- `Update` - updates the state of the fluid.
- `Reset` - resets all non-trivial properties.
- `SpecifyPhase` - specify the phase state for all further calculations.
- `UnspecifyPhase` - unspecify the phase state and go back to calculating it based on the inputs.
- `WithState` - returns a new fluid instance with a defined state.
- `IsentropicCompressionTo` - the process of isentropic compression to given pressure.
- `CompressionTo` - the process of compression to given pressure.
- `IsenthalpicExpansionTo` - the process of isenthalpic expansion to given pressure.
- `IsentropicExpansionTo` - the process of isentropic expansion to given pressure.
- `ExpansionTo` - the process of expansion to given pressure.
- `CoolingTo` - the process of cooling to given temperature or enthalpy.
- `HeatingTo` - the process of heating to given temperature or enthalpy.
- `BubblePointAt` - returns a bubble point at given pressure or temperature.
- `DewPointAt` - returns a dew point at given pressure or temperature.
- `TwoPhasePointAt` - returns a two-phase point at given pressure.
- `Mixing` - the mixing process.
- `Factory` - returns a new fluid instance with no defined state.
- `Clone` - performs deep (full) copy of the fluid instance.
- `AsJson` - converts the fluid instance to a JSON string.

### Methods of `Mixture` instances

- `Update` - updates the state of the mixture.
- `Reset` - resets all non-trivial properties.
- `SpecifyPhase` - specify the phase state for all further calculations.
- `UnspecifyPhase` - unspecify the phase state and go back to calculating it based on the inputs.
- `WithState` - returns a new mixture instance with a defined state.
- `CoolingTo` - the process of cooling to given temperature.
- `HeatingTo` - the process of heating to given temperature.
- `Factory` - returns a new mixture instance with no defined state.
- `Clone` - performs deep (full) copy of the mixture instance.
- `AsJson` - converts the mixture instance to a JSON string.

### Methods of `HumidAir` instances

- `Update` - updates the state of the humid air.
- `Reset` - resets all properties.
- `WithState` - returns a new humid air instance with a defined state.
- `DryCoolingTo` - the process of cooling without dehumidification to given temperature or enthalpy.
- `WetCoolingTo` - the process of cooling with dehumidification to given temperature or enthalpy
  and relative or absolute humidity ratio.
- `HeatingTo` - the process of heating to given temperature or enthalpy.
- `HumidificationByWaterTo` - the process of humidification by water (isenthalpic) to given
  relative or absolute humidity ratio.
- `HumidificationBySteamTo` - the process of humidification by steam (isothermal) to given
  relative or absolute humidity ratio.
- `Mixing` - the mixing process.
- `Factory` - returns a new humid air instance with no defined state.
- `Clone` - performs deep (full) copy of the humid air instance.
- `AsJson` - converts the humid air instance to a JSON string.

## Examples

### Pure fluids

To calculate the specific heat of saturated water vapor at _1 atm_:

```csharp
using SharpProp;
using UnitsNet.NumberExtensions.NumberToPressure;
using UnitsNet.Units;

var waterVapour = new Fluid(FluidsList.Water).DewPointAt(1.Atmospheres());
Console.WriteLine(waterVapour.SpecificHeat.JoulesPerKilogramKelvin);          // 2079.937085633241
Console.WriteLine(waterVapour.SpecificHeat);                                  // 2.08 kJ/kg·K
Console.WriteLine(
    waterVapour.SpecificHeat.ToUnit(SpecificEntropyUnit.CaloriePerGramKelvin) // 0.5 cal/g·K
);
```

### Incompressible binary mixtures

To calculate the dynamic viscosity of propylene glycol aqueous solution
with _60 %_ mass fraction at _100 kPa_ and _-20 °C_:

```csharp
using SharpProp;
using UnitsNet.NumberExtensions.NumberToPressure;
using UnitsNet.NumberExtensions.NumberToRatio;
using UnitsNet.NumberExtensions.NumberToTemperature;
using UnitsNet.Units;

var propyleneGlycol = new Fluid(FluidsList.MPG, 60.Percent()).WithState(
    Input.Pressure(100.Kilopascals()),
    Input.Temperature((-20).DegreesCelsius())
);
Console.WriteLine(propyleneGlycol.DynamicViscosity?.PascalSeconds);      // 0.13907391053938878
Console.WriteLine(propyleneGlycol.DynamicViscosity);                     // 139.07 mPa·s
Console.WriteLine(
    propyleneGlycol.DynamicViscosity?.ToUnit(DynamicViscosityUnit.Poise) // 1.39 P
);
```

### Mixtures

To calculate the density of ethanol aqueous solution (with ethanol _40 %_ mass fraction)
at _200 kPa_ and _277.15 K_:

```csharp
using SharpProp;
using UnitsNet;
using UnitsNet.NumberExtensions.NumberToPressure;
using UnitsNet.NumberExtensions.NumberToRatio;
using UnitsNet.NumberExtensions.NumberToTemperature;
using UnitsNet.Units;

var mixture = new Mixture(
    new List<FluidsList> { FluidsList.Water, FluidsList.Ethanol },
    new List<Ratio> { 60.Percent(), 40.Percent() }
).WithState(
    Input.Pressure(200.Kilopascals()),
    Input.Temperature(277.15.Kelvins())
);
Console.WriteLine(mixture.Density.KilogramsPerCubicMeter);               // 883.3922771627759
Console.WriteLine(mixture.Density);                                      // 883.39 kg/m3
Console.WriteLine(mixture.Density.ToUnit(DensityUnit.GramPerDeciliter)); // 88.34 g/dl
```

### Humid air

To calculate the wet bulb temperature of humid air
at _300 m_ above sea level, _30 °C_ and _50 %_ relative humidity:

```csharp
using SharpProp;
using UnitsNet.NumberExtensions.NumberToLength;
using UnitsNet.NumberExtensions.NumberToRelativeHumidity;
using UnitsNet.NumberExtensions.NumberToTemperature;
using UnitsNet.Units;

var humidAir = new HumidAir().WithState(
    InputHumidAir.Altitude(300.Meters()),
    InputHumidAir.Temperature(30.DegreesCelsius()),
    InputHumidAir.RelativeHumidity(50.Percent())
);
Console.WriteLine(humidAir.WetBulbTemperature.Kelvins);                  // 295.06756903366403
Console.WriteLine(humidAir.WetBulbTemperature);                          // 21.92 °C
Console.WriteLine(
    humidAir.WetBulbTemperature.ToUnit(TemperatureUnit.DegreeFahrenheit) // 71.45 °F
);
```

### Equality of instances

You can simply determine the equality of `Fluid`, `Mixture` and `HumidAir` instances by its state.
Just use the `Equals` method (**_not_** the equality operators: `==` and `!=`).
Exactly the same way you can compare inputs (`Input`, `InputHumidAir` or any `IKeyedInput` record).

For example:

```csharp
using SharpProp;
using UnitsNet.NumberExtensions.NumberToPressure;
using UnitsNet.NumberExtensions.NumberToRelativeHumidity;
using UnitsNet.NumberExtensions.NumberToTemperature;

var humidAir = new HumidAir().WithState(
    InputHumidAir.Pressure(1.Atmospheres()),
    InputHumidAir.Temperature(20.DegreesCelsius()),
    InputHumidAir.RelativeHumidity(50.Percent())
);
var sameHumidAir = new HumidAir().WithState(
    InputHumidAir.Pressure(101325.Pascals()),
    InputHumidAir.Temperature(293.15.Kelvins()),
    InputHumidAir.RelativeHumidity(50.Percent())
);
Console.WriteLine(humidAir.Equals(sameHumidAir)); // true
```

### Converting to a JSON string

The `Fluid`, `Mixture` and `HumidAir` classes have the `AsJson` method, which converts the instance
to a JSON string. For example, converting a `Fluid` instance to an _indented_ JSON string:

```csharp
using SharpProp;
using UnitsNet.NumberExtensions.NumberToTemperature;

var refrigerant = new Fluid(FluidsList.R32).DewPointAt(5.DegreesCelsius());
Console.WriteLine(refrigerant.AsJson());
```

As a result:

```json
{
    "Name": "R32",
    "Fraction": {
        "Unit": "RatioUnit.Percent",
        "Value": 100.0
    },
    "Compressibility": 0.8266625877210833,
    "Conductivity": {
        "Unit": "ThermalConductivityUnit.WattPerMeterKelvin",
        "Value": 0.013435453854396475
    },
    "CriticalPressure": {
        "Unit": "PressureUnit.Kilopascal",
        "Value": 5782.0
    },
    "CriticalTemperature": {
        "Unit": "TemperatureUnit.DegreeCelsius",
        "Value": 78.10500000000002
    },
    "Density": {
        "Unit": "DensityUnit.KilogramPerCubicMeter",
        "Value": 25.89088151061046
    },
    "DynamicViscosity": {
        "Unit": "DynamicViscosityUnit.MillipascalSecond",
        "Value": 0.012606543144761657
    },
    "Enthalpy": {
        "Unit": "SpecificEnergyUnit.KilojoulePerKilogram",
        "Value": 516.1057800378023
    },
    "Entropy": {
        "Unit": "SpecificEntropyUnit.KilojoulePerKilogramKelvin",
        "Value": 2.1362654412978777
    },
    "FreezingTemperature": null,
    "InternalEnergy": {
        "Unit": "SpecificEnergyUnit.KilojoulePerKilogram",
        "Value": 479.35739743435374
    },
    "KinematicViscosity": {
        "Unit": "KinematicViscosityUnit.Centistokes",
        "Value": 0.48691054182899535
    },
    "MaxPressure": {
        "Unit": "PressureUnit.Kilopascal",
        "Value": 70000.0
    },
    "MaxTemperature": {
        "Unit": "TemperatureUnit.DegreeCelsius",
        "Value": 161.85000000000002
    },
    "MinPressure": {
        "Unit": "PressureUnit.Kilopascal",
        "Value": 0.04799989387605937
    },
    "MinTemperature": {
        "Unit": "TemperatureUnit.DegreeCelsius",
        "Value": -136.80999999999997
    },
    "MolarMass": {
        "Unit": "MolarMassUnit.GramPerMole",
        "Value": 52.024
    },
    "Phase": "TwoPhase",
    "Prandtl": 1.2252282243443504,
    "Pressure": {
        "Unit": "PressureUnit.Kilopascal",
        "Value": 951.448019691762
    },
    "Quality": {
        "Unit": "RatioUnit.Percent",
        "Value": 100.0
    },
    "SoundSpeed": {
        "Unit": "SpeedUnit.MeterPerSecond",
        "Value": 209.6337575990297
    },
    "SpecificHeat": {
        "Unit": "SpecificEntropyUnit.KilojoulePerKilogramKelvin",
        "Value": 1.3057899441785379
    },
    "SpecificVolume": {
        "Unit": "SpecificVolumeUnit.CubicMeterPerKilogram",
        "Value": 0.03862363664945844
    },
    "SurfaceTension": {
        "Unit": "ForcePerLengthUnit.NewtonPerMeter",
        "Value": 0.010110117241546162
    },
    "Temperature": {
        "Unit": "TemperatureUnit.DegreeCelsius",
        "Value": 5.0
    },
    "TriplePressure": {
        "Unit": "PressureUnit.Kilopascal",
        "Value": 0.04799989387605937
    },
    "TripleTemperature": {
        "Unit": "TemperatureUnit.DegreeCelsius",
        "Value": -136.80999999999997
    }
}
```

### Deep cloning

The `Fluid`, `Mixture` and `HumidAir` classes have the `Clone` method,
which performs a deep (full) copy of the instance:

```csharp
using SharpProp;
using UnitsNet.NumberExtensions.NumberToPressure;
using UnitsNet.NumberExtensions.NumberToTemperature;

var origin = new Fluid(FluidsList.Water).WithState(
    Input.Pressure(1.Atmospheres()),
    Input.Temperature(20.DegreesCelsius())
);
var clone = origin.Clone();
Console.WriteLine(origin.Equals(clone)); // true
clone.Update(
    Input.Pressure(1.Atmospheres()),
    Input.Temperature(30.DegreesCelsius())
);
Console.WriteLine(origin.Equals(clone)); // false
```

### Adding other properties

- [An example for the `Fluid` and `Mixture`](https://github.com/portyanikhin/sharpprop/blob/main/tests/sharpprop.Tests/Fluids/FluidExtended.cs)
- [An example for the `HumidAir`](https://github.com/portyanikhin/sharpprop/blob/main/tests/sharpprop.Tests/HumidAir/HumidAirExtended.cs)

### Adding other inputs

- [An example for the `Fluid` and `Mixture`](https://github.com/portyanikhin/sharpprop/blob/main/tests/SharpProp.Tests/IO/InputExtended.cs)
- [An example for the `HumidAir`](https://github.com/portyanikhin/sharpprop/blob/main/tests/SharpProp.Tests/IO/InputHumidAirExtended.cs)

#### License

<sup>
This project is licensed under
<a href="https://github.com/portyanikhin/sharpprop/blob/main/LICENSE">MIT License</a>
</sup>

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