Enthalpy lookup table

class CMixtureEnthalpyLookup

Bidirectional lookup table to find the correspondence between temperature and enthalpy of a mixture of materials.

Public Functions

CMixtureEnthalpyLookup() = default: Default constructor.

CMixtureEnthalpyLookup(const CMaterialsDatabase *_materialsDB, std::vector<std::string> _compounds)

Constructs lookup table with the pointer to materials database and compounds and default values of limits and number of intervals.

Parameters

_materialsDB – Pointer to materials database.
_compounds – List of compounds.

CMixtureEnthalpyLookup(const CMaterialsDatabase *_materialsDB, std::vector<std::string> _compounds, const SInterval &_limits, size_t _intervalsNumber)

Constructs lookup table with the pointer to materials database, compounds, values of limits and number of intervals.

Parameters

_materialsDB – Pointer to materials database.
_compounds – List of compounds.
_limits – Temperature limits.
_intervalsNumber – Number of temperature intervals.

void SetLimits(const SInterval &_limits, size_t _number)

Sets temperature limits and number of intervals for the lookup table.

Parameters

_limits – Temperature limits.
_number – Number of temperature intervals.

SInterval GetLimits() const

Returns current temperature limits.

Returns: Temperature limits.

size_t GetIntervalsNumber() const

Returns current number of temperature intervals.

Returns: Number of intervals.

void SetMaterialsDatabase(const CMaterialsDatabase *_materialsDB)

Sets pointer to materials database.

Parameters: _materialsDB – Pointer to materials database.

void SetCompounds(const std::vector<std::string> &_compounds)

Sets new list of _compounds.

Parameters: _compounds – List of compounds.

void SetCompoundFractions(const std::vector<double> &_fractions)

Sets new fractions of all compounds.

The length of fractions must be equal to the number of previously defined compounds.

Parameters: _fractions – Compounds fractions.

std::vector<double> GetCompoundFractions() const

Returns current fractions of compounds.

Returns: Compounds fractions.

size_t Size() const

Returns the number of entries in the lookup table.

Returns: Number of entries.

double GetEnthalpy(double _temperature) const

Returns enthalpy for the given temperature.

Parameters: _temperature – Temperature.
Returns: Enthalpy.

double GetTemperature(double _enthalpy) const

Returns temperature for the given _enthalpy.

Parameters: _enthalpy – Enthalpy.
Returns: Temperature.

double GetEnthalpy(double _temperature, const std::vector<double> &_fractions)

Sets new fractions of all compounds and returns enthalpy for the given temperature.

The length of fractions must be equal to the number of previously defined compounds.

Parameters

_temperature – Temperature.
_fractions – Compounds fractions.

Returns

Enthalpy.

double GetTemperature(double _enthalpy, const std::vector<double> &_fractions)

Sets new _fractions of all compounds and returns temperature for the given enthalpy.

The length of fractions must be equal to the number of previously defined compounds.

Parameters

_enthalpy – Enthalpy.
_fractions – Compounds fractions.

Returns

Temperature.

void Clear(): Removes all information.

void Add(double _value)

Adds value to each right (dependent) entry of the mixture table.

Parameters: _value – New value.

void Add(const CDependentValues &_component, double _weight = 1.)

Adds a component with some weight to each right (dependent) entry of the mixture table.

Parameters

_component – New component.
_weight – Weight of the component.

void Add(const CMixtureEnthalpyLookup &_table, double _weight = 1.)

Adds another mixture table with some weight to each right (dependent) entry of the mixture table.

Table must have the same number of compounds.

Parameters

_table – Mixture table.
_weight – Weight of the component.

void Multiply(double _value)

Multiplies each right (dependent) entry of the mixture table with a value.

Parameters: _value – Value.

CMixtureEnthalpyLookup operator+(double _d) const

Adds a value to all entries of the lookup table.

Parameters: _d – Value.
Returns: Copy of the lookup table.

CMixtureEnthalpyLookup operator*(double _d) const

Multiplies all entries of the lookup table with a value.

Parameters: _d – Value.
Returns: Copy of the lookup table.

CMixtureEnthalpyLookup operator+(const CMixtureEnthalpyLookup &_t) const

Adds another lookup table.

Parameters: _t – Lookup table.
Returns: Copy of the lookup table.

CMixtureEnthalpyLookup &operator+=(double _d)

Adds a value to all entries of the lookup table.

Parameters: _d – Value.
Returns: Reference to the lookup table.

CMixtureEnthalpyLookup &operator*=(double _d)

Multiplies all entries of the lookup table with a value.

Parameters: _d – Value.
Returns: Reference to the lookup table.

CMixtureEnthalpyLookup &operator+=(const CMixtureEnthalpyLookup &_t)

Adds another lookup table.

Parameters: _t – Lookup table.
Returns: Reference to the lookup table.

bool operator==(const CMixtureEnthalpyLookup &_t) const

Compares two lookup tables.

Parameters: _t – Lookup table.
Returns: Whether lookup tables are the same.