Sources/phylmd/suphec.f

module suphec_m

  use nr_util, only: pi

  implicit none

  ! A1.0 Fundamental constants
  real, parameter:: RCLUM = 299792458. ! speed of light, m s-1
  real, parameter:: RHPLA = 6.6260755E-34 ! Planck constant, J s
  real, parameter:: KBOL = 1.380658E-23 ! Boltzmann constant, in J K-1
  real, parameter:: NAVO = 6.0221367E23 ! Avogadro number, in mol-1

  ! A1.1 Astronomical constants
  REAL RSIYEA, RSIDAY, ROMEGA
  real, parameter:: RDAY = 86400.
  real, parameter:: REA = 149597870000.
  real, parameter:: REPSM = 0.409093

  ! A1.2 Geoide
  real, parameter:: RG = 9.80665 ! acceleration of gravity, in m s-2
  real, parameter:: RA = 6371229.

  ! A1.3 Radiation
  REAL, parameter:: rsigma = 2. * pi**5 * (kbol / rhpla)**3 * kbol / rclum**2 &
       / 15.

  ! A1.4 Thermodynamic gas phase
  REAL, parameter:: R = NAVO * KBOL ! ideal gas constant, in J K-1 mol-1
  real, parameter:: MV = 18.0153 ! molar mass of water, in g mol-1

  real, parameter:: RV = 1e3 * R / MV
  ! specific ideal gas constant for water vapor, in J K-1 kg-1
  ! (factor 1e3: conversion from g to kg)

  real, parameter:: MD = 28.9644 ! molar mass of dry air, in g mol-1

  real, parameter:: RD = 1e3 * R / MD
  ! specific ideal gas constant for dry air, in J K-1 kg-1
  ! (factor 1e3: conversion from g to kg)

  real, save:: RCPV, RCVD, RCVV

  real, parameter:: RCPD = 7. / 2 * RD 
  ! specific heat capacity for dry air, in J K-1 kg-1

  real, parameter:: RMO3 = 47.9942
  REAL, parameter:: RKAPPA = RD/RCPD
  real, save:: RETV

  ! A1.5, 6 Thermodynamic liquid, solid phases
  REAL, save:: RCW, RCS

  ! A1.7 Thermodynamic transition of phase
  REAL, save:: RLMLT
  real, parameter:: RTT = 273.16
  real, parameter:: RLVTT = 2.5008E+6
  real, parameter:: RLSTT = 2.8345E+6
  real, parameter:: RATM = 1e5

  ! A1.8 Curve of saturation
  REAL, save:: RALPW, RBETW, RGAMW, RALPS, RBETS, RGAMS
  real, parameter:: RESTT = 611.14
  REAL, save:: RALPD, RBETD, RGAMD

  private pi

contains

  SUBROUTINE suphec

    ! From phylmd/suphec.F, version 1.2 2005/06/06 13:16:33
    ! Initialise certaines constantes et certains paramètres physiques.

    !------------------------------------------

    PRINT *, 'Call sequence information: suphec'

    ! 2. DEFINE ASTRONOMICAL CONSTANTS

    RSIYEA = 365.25*RDAY*2.*PI/6.283076
    RSIDAY = RDAY/(1.+RDAY/RSIYEA)
    ROMEGA = 2.*PI/RSIDAY

    print *, 'Astronomical constants '
    print '('' day = '', E13.7, '' s'')', RDAY
    print '('' half g. axis = '', E13.7, '' m'')', REA
    print '('' mean anomaly = '', E13.7, '' -'')', REPSM
    print '('' sideral year = '', E13.7, '' s'')', RSIYEA
    print '('' sideral day = '', E13.7, '' s'')', RSIDAY
    print '('' omega = '', E13.7, '' s-1'')', ROMEGA

    ! 3. DEFINE GEOIDE.

    print *, ' Geoide '
    print '('' Gravity = '', E13.7, '' m s-2'')', RG
    print '('' Earth radius = '', E13.7, '' m'')', RA

    ! 4. DEFINE RADIATION CONSTANTS.

    print *, ' Radiation '
    print '('' Stefan-Bol. = '', E13.7, '' W m-2 K-4'')', RSIGMA

    ! 5. DEFINE THERMODYNAMIC CONSTANTS, GAS PHASE.

    RCVD = RCPD-RD
    RCPV = 4. * RV
    RCVV = RCPV-RV
    RETV = RV / RD - 1.
    print *, 'Thermodynamics, gas'
    print '('' Ozone mass = '', e13.7)', RMO3
    print *, "rd = ", RD, "J K-1 kg-1"
    print *, "rv = ", RV, "J K-1 kg-1"
    print '('' Cpd = '', e13.7)', RCPD
    print '('' Cvd = '', e13.7)', RCVD
    print '('' Cpv = '', e13.7)', RCPV
    print '('' Cvv = '', e13.7)', RCVV
    print '('' Rd/Cpd = '', e13.7)', RKAPPA
    print '('' Rv / Rd - 1 = '', e13.7)', RETV

    ! 6. DEFINE THERMODYNAMIC CONSTANTS, LIQUID PHASE.

    RCW = RCPV
    print *, 'Thermodynamic, liquid '
    print '('' Cw = '', E13.7)', RCW

    ! 7. DEFINE THERMODYNAMIC CONSTANTS, SOLID PHASE.

    RCS = RCPV
    print *, 'thermodynamic, solid'
    print '('' Cs = '', E13.7)', RCS

    ! 8. DEFINE THERMODYNAMIC CONSTANTS, TRANSITION OF PHASE.

    RLMLT = RLSTT-RLVTT
    print *, 'Thermodynamic, transition of phase:'
    print '('' Fusion point = '', E13.7)', RTT
    print '('' RLvTt = '', E13.7)', RLVTT
    print '('' RLsTt = '', E13.7)', RLSTT
    print '('' RLMlt = '', E13.7)', RLMLT
    print '('' Normal pressure = '', E13.7)', RATM

    ! 9. SATURATED VAPOUR PRESSURE.

    RGAMW = (RCW-RCPV)/RV
    RBETW = RLVTT/RV+RGAMW*RTT
    RALPW = LOG(RESTT)+RBETW/RTT+RGAMW*LOG(RTT)
    RGAMS = (RCS-RCPV)/RV
    RBETS = RLSTT/RV+RGAMS*RTT
    RALPS = LOG(RESTT)+RBETS/RTT+RGAMS*LOG(RTT)
    RGAMD = RGAMS-RGAMW
    RBETD = RBETS-RBETW
    RALPD = RALPS-RALPW

  END SUBROUTINE suphec

end module suphec_m
1	module suphec_m
2
3	use nr_util, only: pi
4
5	implicit none
6
7	! A1.0 Fundamental constants
8	real, parameter:: RCLUM = 299792458. ! speed of light, m s-1
9	real, parameter:: RHPLA = 6.6260755E-34 ! Planck constant, J s
10	real, parameter:: KBOL = 1.380658E-23 ! Boltzmann constant, in J K-1
11	real, parameter:: NAVO = 6.0221367E23 ! Avogadro number, in mol-1
12
13	! A1.1 Astronomical constants
14	REAL RSIYEA, RSIDAY, ROMEGA
15	real, parameter:: RDAY = 86400.
16	real, parameter:: REA = 149597870000.
17	real, parameter:: REPSM = 0.409093
18
19	! A1.2 Geoide
20	real, parameter:: RG = 9.80665 ! acceleration of gravity, in m s-2
21	real, parameter:: RA = 6371229.
22
23	! A1.3 Radiation
24	REAL, parameter:: rsigma = 2. * pi*5 (kbol / rhpla)*3 kbol / rclum**2 &
25	/ 15.
26
27	! A1.4 Thermodynamic gas phase
28	REAL, parameter:: R = NAVO * KBOL ! ideal gas constant, in J K-1 mol-1
29	real, parameter:: MV = 18.0153 ! molar mass of water, in g mol-1
30
31	real, parameter:: RV = 1e3 * R / MV
32	! specific ideal gas constant for water vapor, in J K-1 kg-1
33	! (factor 1e3: conversion from g to kg)
34
35	real, parameter:: MD = 28.9644 ! molar mass of dry air, in g mol-1
36
37	real, parameter:: RD = 1e3 * R / MD
38	! specific ideal gas constant for dry air, in J K-1 kg-1
39	! (factor 1e3: conversion from g to kg)
40
41	real, save:: RCPV, RCVD, RCVV
42
43	real, parameter:: RCPD = 7. / 2 * RD
44	! specific heat capacity for dry air, in J K-1 kg-1
45
46	real, parameter:: RMO3 = 47.9942
47	REAL, parameter:: RKAPPA = RD/RCPD
48	real, save:: RETV
49
50	! A1.5, 6 Thermodynamic liquid, solid phases
51	REAL, save:: RCW, RCS
52
53	! A1.7 Thermodynamic transition of phase
54	REAL, save:: RLMLT
55	real, parameter:: RTT = 273.16
56	real, parameter:: RLVTT = 2.5008E+6
57	real, parameter:: RLSTT = 2.8345E+6
58	real, parameter:: RATM = 1e5
59
60	! A1.8 Curve of saturation
61	REAL, save:: RALPW, RBETW, RGAMW, RALPS, RBETS, RGAMS
62	real, parameter:: RESTT = 611.14
63	REAL, save:: RALPD, RBETD, RGAMD
64
65	private pi
66
67	contains
68
69	SUBROUTINE suphec
70
71	! From phylmd/suphec.F, version 1.2 2005/06/06 13:16:33
72	! Initialise certaines constantes et certains paramètres physiques.
73
74	!------------------------------------------
75
76	PRINT *, 'Call sequence information: suphec'
77
78	! 2. DEFINE ASTRONOMICAL CONSTANTS
79
80	RSIYEA = 365.25RDAY2.*PI/6.283076
81	RSIDAY = RDAY/(1.+RDAY/RSIYEA)
82	ROMEGA = 2.*PI/RSIDAY
83
84	print *, 'Astronomical constants '
85	print '('' day = '', E13.7, '' s'')', RDAY
86	print '('' half g. axis = '', E13.7, '' m'')', REA
87	print '('' mean anomaly = '', E13.7, '' -'')', REPSM
88	print '('' sideral year = '', E13.7, '' s'')', RSIYEA
89	print '('' sideral day = '', E13.7, '' s'')', RSIDAY
90	print '('' omega = '', E13.7, '' s-1'')', ROMEGA
91
92	! 3. DEFINE GEOIDE.
93
94	print *, ' Geoide '
95	print '('' Gravity = '', E13.7, '' m s-2'')', RG
96	print '('' Earth radius = '', E13.7, '' m'')', RA
97
98	! 4. DEFINE RADIATION CONSTANTS.
99
100	print *, ' Radiation '
101	print '('' Stefan-Bol. = '', E13.7, '' W m-2 K-4'')', RSIGMA
102
103	! 5. DEFINE THERMODYNAMIC CONSTANTS, GAS PHASE.
104
105	RCVD = RCPD-RD
106	RCPV = 4. * RV
107	RCVV = RCPV-RV
108	RETV = RV / RD - 1.
109	print *, 'Thermodynamics, gas'
110	print '('' Ozone mass = '', e13.7)', RMO3
111	print *, "rd = ", RD, "J K-1 kg-1"
112	print *, "rv = ", RV, "J K-1 kg-1"
113	print '('' Cpd = '', e13.7)', RCPD
114	print '('' Cvd = '', e13.7)', RCVD
115	print '('' Cpv = '', e13.7)', RCPV
116	print '('' Cvv = '', e13.7)', RCVV
117	print '('' Rd/Cpd = '', e13.7)', RKAPPA
118	print '('' Rv / Rd - 1 = '', e13.7)', RETV
119
120	! 6. DEFINE THERMODYNAMIC CONSTANTS, LIQUID PHASE.
121
122	RCW = RCPV
123	print *, 'Thermodynamic, liquid '
124	print '('' Cw = '', E13.7)', RCW
125
126	! 7. DEFINE THERMODYNAMIC CONSTANTS, SOLID PHASE.
127
128	RCS = RCPV
129	print *, 'thermodynamic, solid'
130	print '('' Cs = '', E13.7)', RCS
131
132	! 8. DEFINE THERMODYNAMIC CONSTANTS, TRANSITION OF PHASE.
133
134	RLMLT = RLSTT-RLVTT
135	print *, 'Thermodynamic, transition of phase:'
136	print '('' Fusion point = '', E13.7)', RTT
137	print '('' RLvTt = '', E13.7)', RLVTT
138	print '('' RLsTt = '', E13.7)', RLSTT
139	print '('' RLMlt = '', E13.7)', RLMLT
140	print '('' Normal pressure = '', E13.7)', RATM
141
142	! 9. SATURATED VAPOUR PRESSURE.
143
144	RGAMW = (RCW-RCPV)/RV
145	RBETW = RLVTT/RV+RGAMW*RTT
146	RALPW = LOG(RESTT)+RBETW/RTT+RGAMW*LOG(RTT)
147	RGAMS = (RCS-RCPV)/RV
148	RBETS = RLSTT/RV+RGAMS*RTT
149	RALPS = LOG(RESTT)+RBETS/RTT+RGAMS*LOG(RTT)
150	RGAMD = RGAMS-RGAMW
151	RBETD = RBETS-RBETW
152	RALPD = RALPS-RALPW
153
154	END SUBROUTINE suphec
155
156	end module suphec_m