cs_ctwr.h File Reference

#include <ple_locator.h>
#include "fvm_nodal.h"
#include "cs_base.h"
#include "cs_halo.h"
#include "cs_mesh.h"
#include "cs_mesh_quantities.h"

Include dependency graph for cs_ctwr.h:

Go to the source code of this file.

Data Structures
struct	cs_ctwr_option_t

Typedefs
typedef struct _cs_ctwr_zone_t	cs_ctwr_zone_t

Enumerations
enum	cs_ctwr_model_t { CS_CTWR_NONE = 0, CS_CTWR_POPPE = 1, CS_CTWR_MERKEL = 2 }
enum	cs_ctwr_zone_type_t { CS_CTWR_COUNTER_CURRENT = 1, CS_CTWR_CROSS_CURRENT = 2 }

Functions
cs_ctwr_option_t *	cs_get_glob_ctwr_option (void)
void	cs_ctwr_define (const char zone_criteria[], cs_ctwr_zone_type_t zone_type, cs_real_t delta_t, cs_real_t relax, cs_real_t t_l_bc, cs_real_t q_l_bc, cs_real_t xap, cs_real_t xnp, cs_real_t surface, cs_real_t xleak_fac)
	Define a cooling tower exchange zone. More...
void	cs_ctwr_field_pointer_map (void)
	Map fields used by the cooling tower module to pointers. More...
void	cs_ctwr_bulk_mass_source_term (const cs_real_t p0, const cs_real_t molmassrat, cs_real_t mass_source[])
	Phase change mass source term from the evaporating liquid to the bulk, humid air. More...
void	cs_ctwr_build_zones (void)
	Define zones. More...
void	cs_ctwr_build_all (void)
	Define the cells belonging to the different packing zones. More...
void	cs_ctwr_all_destroy (void)
	Destroy cs_ctwr_t structures. More...
void	cs_ctwr_log_setup (void)
	Log Packing zone definition setup information. More...
void	cs_ctwr_log_balance (void)
	Perform balances in packing zones. More...
void	cs_ctwr_init_field_vars (cs_real_t rho0, cs_real_t t0, cs_real_t p0, cs_real_t molmassrat)
	Initialize the field variables. More...
void	cs_ctwr_restart_field_vars (cs_real_t rho0, cs_real_t t0, cs_real_t p0, cs_real_t humidity0, cs_real_t molmassrat)
	Reset the field variables based on the restart values. More...
void	cs_ctwr_init_flow_vars (cs_real_t liq_mass_flow[])
	Initialize the flow variables relevant to the cooling tower scalars inside the packing zones. More...
void	cs_ctwr_phyvar_update (cs_real_t rho0, cs_real_t t0, cs_real_t p0, cs_real_t molmassrat)
	Update the thermo physical properties fields for the humid air and the liquid. More...
void	cs_ctwr_source_term (int f_id, const cs_real_t p0, const cs_real_t molmassrat, cs_real_t exp_st[], cs_real_t imp_st[])
	Phase change source terms - Exchange terms between the injected liquid and the water vapor phase in the bulk, humid air. More...
void	cs_ctwr_transport_vars (int iflag)
	Convert injected liquid scalars from and to their transported form. More...
cs_ctwr_zone_t *	cs_ctwr_by_id (int ct_id)

Variables
const cs_ctwr_option_t *	cs_glob_ctwr_option

Typedef Documentation

cs_ctwr_zone_t

typedef struct _cs_ctwr_zone_t cs_ctwr_zone_t

Enumeration Type Documentation

cs_ctwr_model_t

enum cs_ctwr_model_t

Type of cooling tower model

Enumerator
CS_CTWR_NONE	no cooling tower model
CS_CTWR_POPPE	Poppe's model
CS_CTWR_MERKEL	Merkel's model

cs_ctwr_zone_type_t

enum cs_ctwr_zone_type_t

Type of cooling tower exchange zone

Enumerator
CS_CTWR_COUNTER_CURRENT	counter-current zone
CS_CTWR_CROSS_CURRENT	cross-current zone

Function Documentation

cs_ctwr_all_destroy()

void cs_ctwr_all_destroy

(

void

)

Destroy cs_ctwr_t structures.

cs_ctwr_build_all()

void cs_ctwr_build_all

(

void

)

Define the cells belonging to the different packing zones.

cs_ctwr_build_zones()

void cs_ctwr_build_zones

(

void

)

Define zones.

cs_ctwr_bulk_mass_source_term()

void cs_ctwr_bulk_mass_source_term	(	const cs_real_t	p0,
		const cs_real_t	molmassrat,
		cs_real_t	mass_source[]
	)

Phase change mass source term from the evaporating liquid to the bulk, humid air.

Careful, this is different from an injection source term, which would normally be handled with 'cs_user_mass_source_term'

Parameters

[in]	p0	Reference pressure
[in]	molmassrat	Dry air to water vapor molecular mass ratio
[in]	mass_source	Mass source term

cs_ctwr_by_id()

cs_ctwr_zone_t* cs_ctwr_by_id

(

int

ct_id

)

cs_ctwr_define()

void cs_ctwr_define	(	const char	zone_criteria[],
		cs_ctwr_zone_type_t	zone_type,
		cs_real_t	delta_t,
		cs_real_t	relax,
		cs_real_t	t_l_bc,
		cs_real_t	q_l_bc,
		cs_real_t	xap,
		cs_real_t	xnp,
		cs_real_t	surface,
		cs_real_t	xleak_fac
	)

Define a cooling tower exchange zone.

Parameters

[in]	zone_criteria	zone selection criteria
[in]	zone_type	exchange zone type
[in]	delta_t	imposed delta temperature delta between inlet and oulet of the zone
[in]	relax	relaxation of the imposed delta temperature
[in]	t_l_bc	liquid water temperature at the inlet
[in]	q_l_bc	mass flow rate at the inlet
[in]	xap	beta_x_0 of the exchange law
[in]	xnp	exponent n of the exchange law
[in]	surface	total Surface of ingoing water
[in]	xleak_fac	leakage factor (ratio of outlet/inlet flow rate)

cs_ctwr_field_pointer_map()

void cs_ctwr_field_pointer_map

(

void

)

Map fields used by the cooling tower module to pointers.

cs_ctwr_init_field_vars()

void cs_ctwr_init_field_vars	(	cs_real_t	rho0,
		cs_real_t	t0,
		cs_real_t	p0,
		cs_real_t	molmassrat
	)

Initialize the field variables.

Parameters

[in]	rho0	Reference density of humid air
[in]	t0	Reference temperature of humid air
[in]	p0	Reference pressure
[in]	molmassrat	Dry air to water vapor molecular mass ratio

cs_ctwr_init_flow_vars()

void cs_ctwr_init_flow_vars

(

cs_real_t

liq_mass_flow[]

)

Initialize the flow variables relevant to the cooling tower scalars inside the packing zones.

Parameters

[in,out]

liq_mass_flow

Liquid mass flow rate

cs_ctwr_log_balance()

void cs_ctwr_log_balance

(

void

)

Perform balances in packing zones.

cs_ctwr_log_setup()

void cs_ctwr_log_setup

(

void

)

Log Packing zone definition setup information.

cs_ctwr_phyvar_update()

void cs_ctwr_phyvar_update	(	cs_real_t	rho0,
		cs_real_t	t0,
		cs_real_t	p0,
		cs_real_t	molmassrat
	)

Update the thermo physical properties fields for the humid air and the liquid.

Parameters

[in]	rho0	Reference density of humid air
[in]	t0	Reference temperature of humid air
[in]	p0	Reference pressure
[in]	molmassrat	Dry air to water vapor molecular mass ratio

cs_ctwr_restart_field_vars()

void cs_ctwr_restart_field_vars	(	cs_real_t	rho0,
		cs_real_t	t0,
		cs_real_t	p0,
		cs_real_t	humidity0,
		cs_real_t	molmassrat
	)

Reset the field variables based on the restart values.

Parameters

[in]	rho0	Reference density of humid air
[in]	t0	Reference temperature of humid air
[in]	p0	Reference pressure
[in]	humidity0	Reference humidity
[in]	molmassrat	Dry air to water vapor molecular mass ratio

cs_ctwr_source_term()

void cs_ctwr_source_term	(	int	f_id,
		const cs_real_t	p0,
		const cs_real_t	molmassrat,
		cs_real_t	exp_st[],
		cs_real_t	imp_st[]
	)

Phase change source terms - Exchange terms between the injected liquid and the water vapor phase in the bulk, humid air.

Parameters

[in]	f_id	field id
[in]	p0	Reference pressure
[in]	molmassrat	dry air to water vapor molecular mass ratio
[in,out]	exp_st	Explicit source term
[in,out]	imp_st	Implicit source term

cs_ctwr_transport_vars()

void cs_ctwr_transport_vars

(

int

iflag

)

Convert injected liquid scalars from and to their transported form.

Parameters

[in]

iflag

1: Convert transported variables to physical variables 2: Convert physical variables to transported variables

cs_get_glob_ctwr_option()

cs_ctwr_option_t* cs_get_glob_ctwr_option

(

void

)

Variable Documentation

cs_glob_ctwr_option

const cs_ctwr_option_t* cs_glob_ctwr_option