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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_fuel_htconvers1.f90
!> \brief - Calculation of the gas enthalpy.
!> Function with gaz enthalpy and concentrations,
!> if mode = 1
!> - Calculation of gas enthalpy.
!> Function with gas temperature and concentrations,
!> if mode = -1
!-------------------------------------------------------------------------------
!-------------------------------------------------------------------------------
! Arguments
!______________________________________________________________________________.
! mode name role
!______________________________________________________________________________!
!> \param[in] mode -1 : t -> h ; 1 : h -> t
!> \param[in,out] eh gas enthalpy
!> (\f$ j . kg^{-1}\f$ of gas mixture)
!> \param[in] xesp mass fraction of the species
!> \param[in,out] tp gas temperature in \f$ kelvin \f$
!______________________________________________________________________________!
subroutine cs_fuel_htconvers1 &
( mode , eh , xesp , tp )
!==============================================================================
! Module files
!==============================================================================
use paramx
use numvar
use optcal
use cstphy
use cstnum
use entsor
use ppppar
use ppthch
use coincl
use cpincl
use cs_fuel_incl
use ppincl
use ppcpfu
!===============================================================================
implicit none
! Arguments
integer mode
double precision eh,tp
double precision xesp(ngazem)
! Local variables
integer ii
double precision eh0 , eh1
!===============================================================================
! 1. Calculation of temperature from enthalpy
!===============================================================================
if ( mode .eq. 1 ) then
ii = npo
! --- Eventual clipping of temperature at TH(NPO) if EH > EH1
eh1 = xesp(ifov )*ehgaze(ifov,ii) &
+ xesp(ico )*ehgaze(ico ,ii) &
+ xesp(ih2s )*ehgaze(ih2s,ii) &
+ xesp(ihy )*ehgaze(ihy ,ii) &
+ xesp(ihcn )*ehgaze(ihcn,ii) &
+ xesp(io2 )*ehgaze(io2 ,ii) &
+ xesp(ico2 )*ehgaze(ico2,ii) &
+ xesp(ih2o )*ehgaze(ih2o,ii) &
+ xesp(iso2 )*ehgaze(iso2,ii) &
+ xesp(inh3 )*ehgaze(inh3,ii) &
+ xesp(in2 )*ehgaze(in2 ,ii)
if ( eh .ge. eh1 ) then
tp = th(ii)
goto 501
endif
ii = 1
! --- Eventual clipping of temperature at TH(1) if EH < EH0
eh0 = xesp(ifov )*ehgaze(ifov,ii) &
+ xesp(ico )*ehgaze(ico ,ii) &
+ xesp(ih2s )*ehgaze(ih2s,ii) &
+ xesp(ihy )*ehgaze(ihy ,ii) &
+ xesp(ihcn )*ehgaze(ihcn,ii) &
+ xesp(io2 )*ehgaze(io2 ,ii) &
+ xesp(ico2 )*ehgaze(ico2,ii) &
+ xesp(ih2o )*ehgaze(ih2o,ii) &
+ xesp(iso2 )*ehgaze(iso2,ii) &
+ xesp(inh3 )*ehgaze(inh3,ii) &
+ xesp(in2 )*ehgaze(in2 ,ii)
if ( eh .le. eh0 ) then
tp= th(ii)
goto 501
endif
500 continue
ii = ii + 1
! --- Eventual clipping of temperature at TH(II-1) if EH < EH0
eh0 = xesp(ifov )*ehgaze(ifov,ii-1) &
+ xesp(ico )*ehgaze(ico ,ii-1) &
+ xesp(ih2s )*ehgaze(ih2s,ii-1) &
+ xesp(ihy )*ehgaze(ihy ,ii-1) &
+ xesp(ihcn )*ehgaze(ihcn,ii-1) &
+ xesp(io2 )*ehgaze(io2 ,ii-1) &
+ xesp(ico2 )*ehgaze(ico2,ii-1) &
+ xesp(ih2o )*ehgaze(ih2o,ii-1) &
+ xesp(iso2 )*ehgaze(iso2,ii-1) &
+ xesp(inh3 )*ehgaze(inh3,ii-1) &
+ xesp(in2 )*ehgaze(in2 ,ii-1)
eh1 = xesp(ifov )*ehgaze(ifov,ii) &
+ xesp(ico )*ehgaze(ico ,ii) &
+ xesp(ih2s )*ehgaze(ih2s,ii) &
+ xesp(ihy )*ehgaze(ihy ,ii) &
+ xesp(ihcn )*ehgaze(ihcn,ii) &
+ xesp(io2 )*ehgaze(io2 ,ii) &
+ xesp(ico2 )*ehgaze(ico2,ii) &
+ xesp(ih2o )*ehgaze(ih2o,ii) &
+ xesp(iso2 )*ehgaze(iso2,ii) &
+ xesp(inh3 )*ehgaze(inh3,ii) &
+ xesp(in2 )*ehgaze(in2 ,ii)
if ( eh .ge. eh0 .and. eh .le. eh1 ) then
tp = th(ii-1) + (eh-eh0) * &
(th(ii)-th(ii-1))/(eh1-eh0)
goto 501
endif
goto 500
501 continue
!===============================================================================
! 1. Calculation of enthalpy from temperature
!===============================================================================
else if ( mode .eq. -1 ) then
ii = npo
! --- Calculation at Max
eh = xesp(ifov )*ehgaze(ifov,ii) &
+ xesp(ico )*ehgaze(ico ,ii) &
+ xesp(ih2s )*ehgaze(ih2s,ii) &
+ xesp(ihy )*ehgaze(ihy ,ii) &
+ xesp(ihcn )*ehgaze(ihcn,ii) &
+ xesp(io2 )*ehgaze(io2 ,ii) &
+ xesp(ico2 )*ehgaze(ico2,ii) &
+ xesp(ih2o )*ehgaze(ih2o,ii) &
+ xesp(iso2 )*ehgaze(iso2,ii) &
+ xesp(inh3 )*ehgaze(inh3,ii) &
+ xesp(in2 )*ehgaze(in2 ,ii)
if (tp.gt.th(ii)) goto 601
! Clipping at Min
ii = 1
! --- Eventual clipping of temperature at TH(1) if EH < EH0
eh = xesp(ifov )*ehgaze(ifov,ii) &
+ xesp(ico )*ehgaze(ico ,ii) &
+ xesp(ih2s )*ehgaze(ih2s,ii) &
+ xesp(ihy )*ehgaze(ihy ,ii) &
+ xesp(ihcn )*ehgaze(ihcn,ii) &
+ xesp(io2 )*ehgaze(io2 ,ii) &
+ xesp(ico2 )*ehgaze(ico2,ii) &
+ xesp(ih2o )*ehgaze(ih2o,ii) &
+ xesp(iso2 )*ehgaze(iso2,ii) &
+ xesp(inh3 )*ehgaze(inh3,ii) &
+ xesp(in2 )*ehgaze(in2 ,ii)
if (tp.lt.th(ii)) goto 601
! Interpolation in the table
ii = 1
600 continue
ii = ii + 1
if ( tp .le. th(ii) ) then
! --- Calculation of the gazeous species enthalpy TH(II-1)
eh0 = xesp(ifov )*ehgaze(ifov,ii-1) &
+ xesp(ico )*ehgaze(ico ,ii-1) &
+ xesp(ih2s )*ehgaze(ih2s,ii-1) &
+ xesp(ihy )*ehgaze(ihy ,ii-1) &
+ xesp(ihcn )*ehgaze(ihcn,ii-1) &
+ xesp(io2 )*ehgaze(io2 ,ii-1) &
+ xesp(ico2 )*ehgaze(ico2,ii-1) &
+ xesp(ih2o )*ehgaze(ih2o,ii-1) &
+ xesp(iso2 )*ehgaze(iso2,ii-1) &
+ xesp(inh3 )*ehgaze(inh3,ii-1) &
+ xesp(in2 )*ehgaze(in2 ,ii-1)
! --- Calculation of the gazeous species enthalpy TH(I)
eh1 = xesp(ifov )*ehgaze(ifov,ii) &
+ xesp(ico )*ehgaze(ico ,ii) &
+ xesp(ih2s )*ehgaze(ih2s,ii) &
+ xesp(ihy )*ehgaze(ihy ,ii) &
+ xesp(ihcn )*ehgaze(ihcn,ii) &
+ xesp(io2 )*ehgaze(io2 ,ii) &
+ xesp(ico2 )*ehgaze(ico2,ii) &
+ xesp(ih2o )*ehgaze(ih2o,ii) &
+ xesp(iso2 )*ehgaze(iso2,ii) &
+ xesp(inh3 )*ehgaze(inh3,ii) &
+ xesp(in2 )*ehgaze(in2 ,ii)
eh = eh0 &
+(eh1-eh0)*(tp-th(ii-1))/(th(ii)-th(ii-1))
goto 601
endif
goto 600
601 continue
else
write(nfecra,1000) mode
call csexit(1)
endif
!--------
! Formats
!--------
1000 format( &
'@ ',/,&
'@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@',/,&
'@ ',/,&
'@ @@ WARNING: Error in cs_fuel_htconvers1 ',/,&
'@ ========= ',/,&
'@ Incorrect value of the argument mode ',/,&
'@ it must be an integer equal to 1 or -1 ',/,&
'@ it worths here ',I10 ,/,&
'@ ',/,&
'@ The calculation can not run. ',/,&
'@ ',/,&
'@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@',/,&
'@ ',/)
!----
! End
!----
return
end subroutine
|
