RatingHeatShellAndTubeThermosiphon Class Reference

Model to represent a Shell and Tube heat Vertical Thermosiphon fluid one (process, cold): tube side fluid two (utility, hot): shell side. More...

#include <RatingHeatShellAndTubeThermosiphon.h>

Inheritance diagram for RatingHeatShellAndTubeThermosiphon:

Public Member Functions
	RatingHeatShellAndTubeThermosiphon (Libpf::Persistency::Defaults defaults, uint32_t id=0, Persistency *persistency=nullptr, Persistent *parent=nullptr, Persistent *root=nullptr)
void	preCalculate (void) override
	has no effect; to be overridden by derived classes that calculate U and Ft More...
void	setup (void) override
	performs initializations required immediately before solution More...
const std::string &	type (void) const override
Public Member Functions inherited from ShellCondensing
	QUANTITY (Re_L2, "Terminal Reynolds number of the condensing film at the shell side", 1.0, "")
	QUANTITY (Pr_L2, "Terminal Prandtl number of the condensing film at the shell side", 1.0, "")
	QUANTITY (Du_L2, "Dukler diagram reading", 1.0, "")
	QUANTITY (deltaP_2, "Shell-side pressure drop", 0.0, "Pa")
	ShellCondensing (Libpf::Persistency::Defaults defaults, uint32_t id=0, Persistency *persistency=nullptr, Persistent *parent=nullptr, Persistent *root=nullptr)
void	setup (void) override
	performs initializations required immediately before solution More...
void	preCalculate (void) override
	has no effect; to be overridden by derived classes that calculate U and Ft More...
Public Member Functions inherited from ShellAndTube
	QUANTITY (N, "Number of tubes", 1.0, "")
	QUANTITY (m, "Number of passes", 1.0, "")
	QUANTITY (L, "Length of tubes", 1.0, "m")
	QUANTITY (de, "Tube external diameter", 25.0, "mm")
	QUANTITY (s, "Tube thickness", 2.0, "mm")
	QUANTITY (R1f, "Process side fouling thermal resistance", 0.0, "m2*K/W")
	QUANTITY (R2f, "Utility side fouling thermal resistance", 0.0, "m2*K/W")
	QUANTITY (U1, "Process side heat transfer coefficient", 300.0, "W/(m2*K)")
	QUANTITY (U2, "Utility side heat transfer coefficient", 1000.0, "W/(m2*K)")
	QUANTITY (h, "Elevation positive for ascending", 0.0, "m")
	QUANTITY (eps, "Rugosity", 0.0457, "mm")
	QUANTITY (D, "Shell inner diameter", 1.0, "m")
	QUANTITY (b, "Number of segmental baffles", 0.0, "")
	QUANTITY (c, "Fractional baffle cut", 0.0, "")
	QUANTITY (ns, "Number of sealing strips pairs", 0.0, "")
	QUANTITY (d1, "Inner diameter of inlet nozzle", 0.1, "m")
	QUANTITY (d2, "Inner diameter of outlet nozzle", 0.1, "m")
	QUANTITY (di, "Tube internal diameter", 21.0, "mm")
	QUANTITY (At, "Tubes total cross-section available for fluid flow", 1.0, "m2")
	QUANTITY (km, "Thermal conductivity of the exchanger material", 1.0, "W/(m*K)")
	QUANTITY (Rm, "Heat transfer resistance of the exchanger material", 1.0, "m2*K/W")
	QUANTITY (theta, "Angle positive for ascending", 0.0, "")
	QUANTITY (ed, "Adimensional rugosity", 1E-6, "")
	ShellAndTube (Libpf::Persistency::Defaults defaults, uint32_t id=0, Persistency *persistency=nullptr, Persistent *parent=nullptr, Persistent *root=nullptr)
void	calculateGeometry (void)
void	preCalculate (void) override
	has no effect; to be overridden by derived classes that calculate U and Ft More...
void	setup (void) override
	performs initializations required immediately before solution More...
const std::string &	type (void) const override
const Stream *	in1 (void) const
const Stream *	out1 (void) const
const Stream *	in2 (void) const
const Stream *	out2 (void) const
Public Member Functions inherited from RatingHeat
	QUANTITY (U, "Overall heat transfer coefficient", 100.0, "W/(m2*K)")
	QUANTITY (Ft, "MTD correction factor", 1.0, "")
	QUANTITY (A, "Available heat transfer area", 10.0, "m2")
	QUANTITY (Areq, "Required heat transfer area", 10.0, "m2")
	QUANTITY (excessArea, "Ratio between available and required heat transfer area", 1.0, "")
	RatingHeat (Libpf::Persistency::Defaults defaults, uint32_t id=0, Persistency *persistency=nullptr, Persistent *parent=nullptr, Persistent *root=nullptr)
	~RatingHeat (void)
virtual void	preCalculate (void)
	has no effect; to be overridden by derived classes that calculate U and Ft More...
void	rate (const Quantity &duty, const Quantity &MTD)
	call preCalculate first More...
void	calculate (int level=0) override
	call rate first More...
const std::string &	type (void) const override
void	setup (void) override
	performs initializations required immediately before solution More...
ObjectiveNleAd *	objectiveFunction (void) override
	returns a pointer to the model's objective function More...
void	initializeNonPersistents (void) override
	estimates hidden, non-persistent unknowns from the current results More...
Libpf::Utility::Category	category (void) const override
	return model Category More...
Public Member Functions inherited from Model
	Model (Libpf::Persistency::Defaults defaults, uint32_t id, Persistency *persistency, Persistent *parent, Persistent *root)
	INTEGER (nCalculations, "Number of times the model has been calculated", 0)
	STRINGVECTOR (errors, "Errors from the last computation", 0, "")
	STRINGVECTOR (warnings, "Warnings from the last computation", 0, "")
bool	isPristine (void) const
void	unSetInput (void)
	wipes out all tags marked as inputs More...
void	reportMessages (void)
	recursively collect status of all sub-objects and report to parent More...
void	resetErrors (void)
void	setWarning (std::string s)
	send new warning message to local queue More...
void	setError (std::string s)
	send new error message to local queue More...
void	reportWarning (std::string s)
	propagate warning message from sub-object to local queue More...
void	reportError (std::string s)
	propagate error message from sub-object to local queue More...
void	setCalculated (void)
	increments nCalculations counter and unsets pristinity More...
void	setPristineRecursive (void)
	force next calculation to restart as if the model had never been calculated during this runtime session, also for all contained objects More...
void	setPristine (void)
	force next calculation to restart as if the model had never been calculated during this runtime session More...
void	setRunTime (double t)
	set the run time More...
virtual Libpf::Utility::Category	category (void) const =0
	return model Category More...
virtual void	calculate (int level=0)=0
virtual void	setup (void)=0
	performs initializations required immediately before solution More...
virtual int	maximumIterations (void)
	returns default maximum iterations for main computation; defaults to 200 More...
virtual void	initializeNonPersistents (void)=0
	estimates hidden, non-persistent unknowns from the current results More...
virtual ObjectiveNleAd *	objectiveFunction (void)=0
	returns a pointer to the model's objective function More...
std::ostream &	print (std::ostream &os, bool strings, bool quantities, bool integers, bool recursive) const
std::ostream &	printFull (std::ostream &) const
	print the model quantities, including derivative info, in text format to os More...
void	printHtml (const char *dir) const
virtual void	printSvg (const char *fileName, bool tiny, bool raster, int offset)
void	printSvgAll (const char *dir, bool tiny, bool raster, int offset, std::vector< std::string > &list)
	Recursively output the model and all descendants in SVG format as separate id.SVG files in the directory dir. More...
virtual void	printXml (const char *dir, Model *precedingSibling, Model *followingSibling) const
void	printXmlToc (std::ofstream &toc, int indent) const
void	printOds (std::ofstream &ods) const
Public Member Functions inherited from Object
	Object (Libpf::Persistency::Defaults defaults, uint32_t id=0, Persistency *persistency=nullptr, Persistent *parent=nullptr, Persistent *root=nullptr)
Libpf::Persistency::Defaults	defaults (void) const
std::ostream &	printJson (std::ostream &os, int level=0) const override
	print Node in JSON format More...
void	readVariables (Persistency *persistency) override
	reads Q, QV and QM from persistency More...
void	readParameters (Persistency *persistency) override
	reads I, IV, S and SV from persistency More...
Node &	operator= (const Node &) override
	copy assignment operator More...
Node &	operator= (Node &&other) override
	move assignment More...
	~Object (void)
const std::string &	type (void) const override
Object &	at (const std::string &fullRelativeTag)
const Object &	at (const std::string &fullRelativeTag) const
Object &	at (const std::string &fullRelativeTag, int index)
const Value &	Q (const std::string &tag) const
const Value &	Q (const std::string &tag, int index) const
const Value &	Q (const std::string &tag, int row, int column) const
Value &	Q (const std::string &tag)
Value &	Q (const std::string &tag, int index)
Value &	Q (const std::string &tag, int row, int column)
const Value &	Q (const std::string &tag, std::string componentName) const
Value &	Q (const std::string &tag, std::string componentName)
const Value &	Q (const std::string &tag, int index, std::string componentName) const
Value &	Q (const std::string &tag, int index, std::string componentName)
const int &	I (const std::string &tag) const
const int &	I (const std::string &tag, int index) const
int &	I (const std::string &tag)
int &	I (const std::string &tag, int index)
const std::string &	S (const std::string &tag) const
const std::string &	S (const std::string &tag, int index) const
std::string &	S (const std::string &tag)
std::string &	S (const std::string &tag, int index)
bool	operator!= (const Object &rhs) const
bool	operator== (const Object &rhs) const
bool	compareParameters (const Object &rhs) const
bool	existsI (const std::string &tag) const
bool	existsS (const std::string &tag) const
bool	existsQ (const std::string &tag) const
void	push (void) const
	store the current status of the object and all its sub-objects in the last-in-first-out queue of real variables values More...
void	pop (void)
	restore the status of the object and all its sub-objects from the last-in-first-out queue of real variables values More...
void	clear (void) const
	clear the last-in-first-out queue of real variables values used for storing and retrieving the status More...
const RangeQuantities	quantities (void)
const ConstRangeQuantities	quantities (void) const
Public Member Functions inherited from Node
	Node (Libpf::Persistency::Defaults defaults, uint32_t id=0, Persistency *persistency=nullptr, Persistent *parent=nullptr, Persistent *root=nullptr)
	Node (const Node &other)
	copy constructor More...
	Node (Node &&other)
	move constructor More...
virtual std::unique_ptr< Node >	clone (void) const
virtual Node &	operator= (const Node &other)
	copy assignment operator copies all elements but root which is set to nullptr More...
virtual Node &	operator= (Node &&other)
	move assignment More...
	~Node ()
int	insert (Persistency *persistency) const override
int	update (Persistency *persistency) const override
void	restore (Persistency *persistency) override
void	remove (Persistency *persistency) const override
uint32_t	rootId (void) const override
uint32_t	range (void) const override
uint32_t	getId (void) override
	returns the next available id and increments the internal counter More...
const std::string &	type (void) const override
virtual std::ostream &	printJson (std::ostream &os, int level=0) const
	print Node in JSON format More...
Node &	addChild (std::string type, uint32_t id, Persistency *persistency)
Node &	addChild (std::string type, Libpf::Persistency::Defaults defaults)
Node &	addChild (const Node &child)
Node &	addChild (std::unique_ptr< Node > child)
std::unique_ptr< Node >	prune (const std::string &tag)
const Node &	child (const std::string &tag) const
Node &	at (const std::string &fullRelativeTag)
const Node &	at (const std::string &fullRelativeTag) const
uint32_t	descendants (void) const
Persistent *	root (void) const
void	renameChild (const std::string &oldName, const std::string &newName)
bool	existsChild (std::string tag) const
bool	exists (uint32_t id)
Node &	search (uint32_t id)
bool	operator!= (const Node &rhs) const
bool	operator== (const Node &rhs) const
virtual void	readVariables (Persistency *)
	reads Q, QV and QM from persistency More...
virtual void	readParameters (Persistency *)
	reads I, IV, S and SV from persistency More...
bool	isRestored (void) const
	return whether the Node has just been retrieved from persistent storage More...
void	setIcon (std::string icon, double width, double height)
bool	hasIcon (void) const
std::string	iconName (bool raster) const
double	iconWidth (void) const
double	iconHeight (void) const
const Range	children (void)
const ConstRange	children (void) const
Public Member Functions inherited from Persistent
	Persistent (const std::string &tag, const std::string &description, Persistent *parent, uint32_t id)
	main constructor More...
	Persistent (const Persistent &)
	copy constructor More...
Persistent &	operator= (const Persistent &)
	copy assignment More...
	Persistent (Persistent &&other)
	move constructor More...
Persistent &	operator= (Persistent &&other)
	move assignment More...
	~Persistent (void)
uint32_t	id (void) const
std::string	uuid (void) const
uint32_t	parentId (void) const
virtual uint32_t	rootId (void) const =0
virtual uint32_t	range (void) const =0
virtual uint32_t	getId (void)=0
	returns the next available id and increments the internal counter More...
double	created_at (void) const
double	updated_at (void) const
void	updated_at (double u) const
virtual int	insert (Persistency *persistency) const =0
virtual int	update (Persistency *persistency) const =0
virtual void	restore (Persistency *persistency)=0
virtual void	remove (Persistency *persistency) const =0
Public Member Functions inherited from Item
	Item (const Item &other)
	copy constructor copies all elements but parent which is set to nullptr More...
Item &	operator= (const Item &other)
	copy assignment operator copies all elements but parent which is set to nullptr More...
	Item (const std::string &tag, const std::string &description, Persistent *parent)
	Item (Item &&other)
	move constructor More...
Item &	operator= (Item &&other)
	move assignment operator More...
virtual	~Item ()
const std::string &	tag () const
const std::string &	description () const
std::string	fullTag () const
const Persistent *	parent () const
virtual const std::string &	type () const =0
void	setTag (const std::string &tag)
void	setDescription (const std::string &description)
void	setWideTag (const std::wstring &tag)
	wide-character variant, More...
void	setWideDescription (const std::wstring &description)
	wide-character variant, More...
bool	operator!= (const Item &rhs) const
bool	operator== (const Item &rhs) const
Public Member Functions inherited from Diagnostic
	Diagnostic (void)
void	setVerbosity (int verbosity)
	sets the verbosity level for this instance More...
int	verbosity (void) const
Public Member Functions inherited from TubesBoiling
	QUANTITY (Re_L1, "Reynolds number based on liquid only flow and physical properties", 1.0, "")
	QUANTITY (Pr_L1, "Prandlt number based on liquid physical properties", 1.0, "")
	QUANTITY (UL1, "liquid phase forced convection coefficient based on the liquid fraction of the flow", 1.0, "W/m2/K")
	QUANTITY (chi, "mass base vapor quality", 1.0, "")
	QUANTITY (Xtt, "Martinelli parameter", 1.0, "")
	QUANTITY (hLG, "mass base latent heat of vaporization", 0.0, "J/kg")
	QUANTITY (Bo, "Boiling number", 1.0, "")
	QUANTITY (E, "convection enhancement factor", 1.0, "")
	QUANTITY (S, "boiling suppression factor", 1.0, "")
	QUANTITY (Pr, "reduced pressure", 1.0, "")
	QUANTITY (v_V1, "Superficial vapor velocity", 0.0, "m/s")
	QUANTITY (v_L1, "Superficial liquid velocity", 0.0, "m/s")
	QUANTITY (Fr_V1, "Froude number for the liquid in the tubes", 1.0, "")
	QUANTITY (alfa_1, "Vapor volume holdup fraction", 1.0, "")
	QUANTITY (UNB1, "nucleate pool boiling coefficient", 1.0, "W/m2/K")
	QUANTITY (Re_V1, "Reynolds number based on vapor only flow and physical properties", 1.0, "")
	QUANTITY (deltaP_A1, "Acceleration pressure drop", 0.0, "Pa")
	QUANTITY (deltaP_G1, "Gravitational pressure drop", 0.0, "Pa")
	QUANTITY (deltaP_VL1, "Two phase pressure drop", 0.0, "Pa")
	QUANTITY (deltaP_1, "Total pressure drop", 0.0, "Pa")
	QUANTITY (slip, "ratio of the average vapor and liquid velocities", 1.0, "")
	QUANTITY (rho1, "Average density based on holdup", 0.0, "kg/m3")
	TubesBoiling (Libpf::Persistency::Defaults defaults, uint32_t id=0, Persistency *persistency=nullptr, Persistent *parent=nullptr, Persistent *root=nullptr)
void	setup (void) override
	performs initializations required immediately before solution More...
void	preCalculate (void) override
	has no effect; to be overridden by derived classes that calculate U and Ft More...

Static Public Attributes
static const std::string	type_
Static Public Attributes inherited from ShellAndTube
static const std::string	type_
Static Public Attributes inherited from RatingHeat
static const std::string	type_

Additional Inherited Members
Protected Member Functions inherited from ShellCondensing
double	dukler (double re, double pr)
Protected Member Functions inherited from Model
void	printSvgXlink (std::ostream &svg, const std::string &link, double width, double height)
void	addComponentVectorVariable (std::vector< Quantity > &variable, const std::string &tag, const std::string &description, Quantity::ValueType value)
template<typename T >
void	addSubObjects (int verbosityFile, Libpf::Persistency::Defaults defaults, Persistency *persistency, int count, const std::string &optionKey, const std::string &typeKey, const std::string &tagKey, const std::string &description, std::vector< T * > &vector)
Protected Member Functions inherited from Object
int	retrieveInteger (const Libpf::Persistency::Defaults &defaults, uint32_t id, Persistency *persistency, std::string tag, int min, int max, int def=-1)
std::string	retrieveString (const Libpf::Persistency::Defaults &defaults, uint32_t id, Persistency *persistency, std::string tag, const std::string def)
template<class T >
void	addVariable (T &variable)
template<class T >
void	addVectorVariable (std::vector< T > &variable, const std::string &tag, const std::string &description, uint32_t size, typename T::ValueType value)
	Object (const Object &other)
	copy constructor More...
	Object (Object &&other)
	move constructor More...
Object &	operator= (const Object &)
	copy assignment operator More...
Object &	operator= (Object &&other)
	move assignment operator More...
Protected Member Functions inherited from Node
int	offset (void) const
Protected Member Functions inherited from Diagnostic
virtual	~Diagnostic ()=default
Protected Attributes inherited from Object
std::map< std::string, Integer * >	integers_
	collection of integer variables More...
std::map< std::string, IntegerVector * >	integerVectors_
	collection of integer variable vectors More...
std::map< std::string, Quantity * >	quantities_
	collection of real variables More...
std::map< std::string, QuantityVector * >	quantityVectors_
	collection of real variable vectors More...
std::map< std::string, QuantityMatrix * >	quantityMatrices_
	collection of real variable matrices More...
std::map< std::string, String * >	strings_
	collection of string variables More...
std::map< std::string, StringVector * >	stringVectors_
	collection of string variable vectors More...
Protected Attributes inherited from Node
std::map< std::string, std::unique_ptr< Node > >	children_
	the collection of direct descendants More...
Protected Attributes inherited from Item
Persistent *	parent_
	pointer to the parent Persistent; set to this by the constructor if Item is self-standing or a root Persistent of a tree More...
Protected Attributes inherited from Diagnostic
int	verbosityInstance

Detailed Description

Model to represent a Shell and Tube heat Vertical Thermosiphon fluid one (process, cold): tube side fluid two (utility, hot): shell side.

#include <libpf/units/RatingHeatShellAndTubeThermosiphon.h>

Remarks

Warning

Thread safe:

Extendable:

Platform dependencies:

Constructor & Destructor Documentation

RatingHeatShellAndTubeThermosiphon()

RatingHeatShellAndTubeThermosiphon::RatingHeatShellAndTubeThermosiphon	(	Libpf::Persistency::Defaults	defaults,
		uint32_t	id = 0,
		Persistency *	persistency = nullptr,
		Persistent *	parent = nullptr,
		Persistent *	root = nullptr
	)

Member Function Documentation

preCalculate()

void RatingHeatShellAndTubeThermosiphon::preCalculate ( void  )

overridevirtual

has no effect; to be overridden by derived classes that calculate U and Ft

Reimplemented from RatingHeat.

setup()

void RatingHeatShellAndTubeThermosiphon::setup ( void  )

overridevirtual

performs initializations required immediately before solution

Reimplemented from RatingHeat.

type()

const std::string & RatingHeatShellAndTubeThermosiphon::type ( void  ) const

inlineoverridevirtual

Returns

the C++ name of the class the instance belongs to

Note

it is the responsibility of the caller to not access this reference after the lifecycle of the Item

Reimplemented from RatingHeat.

Member Data Documentation

type_

const std::string RatingHeatShellAndTubeThermosiphon::type_

static

---

The documentation for this class was generated from the following file:

• RatingHeatShellAndTubeThermosiphon.h