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!-------------------------------------------------------------------------------
! This file is part of Code_Saturne, a general-purpose CFD tool.
!
! Copyright (C) 1998-2016 EDF S.A.
!
! This program is free software; you can redistribute it and/or modify it under
! the terms of the GNU General Public License as published by the Free Software
! Foundation; either version 2 of the License, or (at your option) any later
! version.
!
! This program is distributed in the hope that it will be useful, but WITHOUT
! ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
! FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
! details.
!
! You should have received a copy of the GNU General Public License along with
! this program; if not, write to the Free Software Foundation, Inc., 51 Franklin
! Street, Fifth Floor, Boston, MA 02110-1301, USA.
!-------------------------------------------------------------------------------
!===============================================================================
! Function:
! --------
!> \file cs_coal_htconvers2.f90
!>
!> \brief - Calculating temperature of particles
!> Function with enthalpy and concentrations
!> if imode = 1
!> - Calculating particles enthalpy
!> Function with temperature and concentrations
!> if imode = -1
!-------------------------------------------------------------------------------
!-------------------------------------------------------------------------------
! Arguments
!______________________________________________________________________________.
! mode name role
!______________________________________________________________________________!
!> \param[in] mode -1: t -> h; 1: h -> t
!> \param[in] icla class number
!> \param[in,out] enthal mass enthalpy (in \f$ j . kg^{-1}) \f$
!> \param[in] xsolid mass fraction of components
!> \param[in,out] temper temperature (in kelvin)
!> \param[in] t1 coal inlet temperature
!______________________________________________________________________________!
subroutine cs_coal_htconvers2 &
( mode , icla , enthal , xsolid , temper , t1)
!===============================================================================
! Module files
!===============================================================================
use paramx
use pointe
use entsor
use cstnum
use cstphy
use ppppar
use ppthch
use coincl
use cpincl
use ppincl
!===============================================================================
implicit none
! Arguments
integer mode , icla , icha
double precision xsolid(nsolim)
double precision temper , enthal , t1
! Local variables
integer it , isol , ihflt2
double precision eh1 , eh0 , x2
!===============================================================================
! Conversion mode
ihflt2 = 1
if ( ihflt2.eq.0 ) then
!===============================================================================
! 1. H2 linear function
!===============================================================================
icha = ichcor(icla)
if ( mode.eq.-1 ) then
! --> Temperature law -> enthalpy (mode = -1)
enthal = h02ch(icha) + cp2ch(icha)*(temper-trefth)
elseif ( mode.eq.1 ) then
! --> Enthalpy law -> temperature (mode = 1)
temper = (enthal-h02ch(icha))/cp2ch(icha) + trefth
else
write(nfecra,1000) mode
call csexit (1)
!==========
endif
elseif( ihflt2.ne.0 ) then
!===============================================================================
! 2. H2 tabulated
!===============================================================================
if ( mode.eq.-1 ) then
! --> Temperature law -> enthalpy (mode = -1)
it = npoc
if ( temper.ge.thc(it) ) then
enthal = zero
do isol = 1, nsolid
enthal = enthal + xsolid(isol)*ehsoli(isol,it)
enddo
go to 11
endif
it = 1
if ( temper.le.thc(it) ) then
enthal = zero
do isol = 1, nsolid
enthal = enthal + xsolid(isol)*ehsoli(isol,it)
enddo
go to 11
endif
it = 1
10 continue
it = it + 1
if ( temper.le.thc(it) ) then
eh0 = zero
eh1 = zero
do isol = 1, nsolid
eh0 = eh0 + xsolid(isol)*ehsoli(isol,it-1)
eh1 = eh1 + xsolid(isol)*ehsoli(isol,it )
enddo
enthal = eh0 &
+ (eh1-eh0)*(temper-thc(it-1)) &
/(thc(it)-thc(it-1))
goto 11
endif
goto 10
11 continue
elseif ( mode.eq.1 ) then
! --> Enthalpy law -> temperature (mode = 1)
x2 = 0.d0
do isol = 1, nsolid
x2 = x2 + xsolid(isol)
enddo
if ( x2 .gt. epsicp ) then
it = npoc-1
eh1 = zero
do isol = 1, nsolid
eh1 = eh1 + xsolid(isol)*ehsoli(isol,it+1)
enddo
if ( enthal.ge.eh1 ) temper = thc(it+1)
it = 1
eh0 = zero
do isol = 1, nsolid
eh0 = eh0 + xsolid(isol)*ehsoli(isol,it )
enddo
if ( enthal.le.eh0 ) temper = thc(it)
do it = 1, npoc-1
eh0 = zero
eh1 = zero
do isol = 1, nsolid
eh0 = eh0 + xsolid(isol)*ehsoli(isol,it )
eh1 = eh1 + xsolid(isol)*ehsoli(isol,it+1)
enddo
if ( enthal.ge.eh0 .and. enthal.le.eh1 ) &
temper = thc(it) &
+ (enthal-eh0)*(thc(it+1)-thc(it))/(eh1-eh0)
enddo
else
temper = t1
endif
else
write(nfecra,1000) mode
call csexit (1)
endif
endif
!--------
! Formats
!--------
1000 format( &
'@ ',/,&
'@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@',/,&
'@ ',/,&
'@ @@ Error: in cs_coal_htconver2 ',/,&
'@ ====== ',/,&
'@ Incorrect value of the argument mode ',/,&
'@ it must be an integer equal to 1 or -1 ',/,&
'@ its value here is ', i10 ,/,&
'@ ',/,&
'@ The calculation can not run. ',/,&
'@ ',/,&
'@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@',/,&
'@ ',/)
!----
! End
!----
return
end subroutine
|
