20240607b pitzer.dat

usgs-coupled · Jun 7, 2024 · a5223a2 · a5223a2
1 parent bc1c02f
commit a5223a2
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/database/pitzer.dat b/database/pitzer.dat
@@ -40,8 +40,8 @@ Ntg         Ntg     0   Ntg             28.0134 # N2 gas
 SOLUTION_SPECIES
 H+ = H+
 	-viscosity 9.35e-2 -8.31e-2 2.487e-2 4.49e-4 2.01e-2 1.57 # for viscosity parameters see ref. 4
-	-dw 9.31e-9  838   16.315  0   2.376  24.01  0
-#	    Dw(25 C) dw_T  a       a2  visc   a3     a_v_dif
+	-dw 9.31e-9  823   5.55  0  3.07  24.01  0
+#	    Dw(25 C) dw_T  a     a2 visc  a3     a_v_dif
 # Dw(TK) = 9.31e-9 * exp(823 / TK - 823 / 298.15) * viscos_0_25 / viscos_0_tc
 # a = DH ion size, a2 = exponent, visc = viscosity exponent, a3(H+) = 24.01 = new dw calculation from A.D. 2024, a_v_dif = exponent in (viscos_0_tc / viscos)^a_v_dif