source: trunk/LMDZ.VENUS/libf/phyvenus/blackl.F @ 3461

Last change on this file since 3461 was 2560, checked in by slebonnois, 3 years ago

SL: Implementation of SW computation based on generic model. Switch between this new SW module or old module that reads R. Haus tables implemented with a key (solarchoice)

File size: 381 bytes
Line 
1      subroutine blackl(blalong,blat,blae)
2
3      implicit double precision (a-h,o-z)
4
5      ! physical constants
6      sigma=5.67032D-8
7      pi=datan(1.d0)*4.d0
8      c0=2.9979d+08
9      h=6.6262d-34
10      cbol=1.3806d-23
11      rind=1.d0
12      c=c0/rind
13      c1=h*(c**2)
14      c2=h*c/cbol
15
16
17      blae=2.d0*pi*c1/blalong**5/(dexp(c2/blalong/blat)-1.d0)
18
19
20      return
21      end
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