ASPEN中NIST数据库的使用即物性数据查寻。.doc

ASPEN中NIST数据库的使用
ASPEN中的NIST数据库可以查询二元物性参数,也可以查询纯物质参数,二院物性参数的查询论坛有相关帖子说明,下面说明一下纯物质参数的查询,以三相点的查询为例
Step1 输入组分
Step2 选择物性方法
Step3 执行物性估算
Step4 点击NIST
Step5 选择pure,二元估算选择Binary mixture
Step6 点击evaluate NOW
Step7 查看结果,图中TPT即为苯的三相点
所查寻的数据英文可以一起全部复制和百度翻译。
数据库
step1
step2
step4
Step5
Step7
Name
Description
OMEGA
Pitzer acentric factor
ZC
pressibility factor
VC
Critical volume
TC
Critical temperature
DNLEXSAT
TDE expansion for liquid molar density
MUP
Dipole moment
HFUS
Heat of fusion
DHVLTDEW
TDE Watson equation for heat of vaporization
DGFORM
Gibbs energy of formation (ideal gas)
CPSTMLPO
ThermoML polynomials for solid Cp
CPIALEE
TDE Aly-Lee ideal gas Cp
CPLTMLPO
ThermoML polynomials for liquid Cp
DHFORM
Heat of formation (ideal gas)
MW
Molecular weight
TB
Normal boiling point
FREEZEPT
Freeze point temperature
DELTA
Solubility parameter @ 25 C
SG
Specific gravity
VLSTD
API standard liquid molar volume
SIGTDEW
TDE Watson equation for liquid-gas surface tension
KVTMLPO
ThermoML polynomials for vapor thermal conductivity
KLTMLPO
ThermoML polynomials for liquid thermal conductivity
TPT
Triple point temperature
PSTDEPOL
TDE polynomials for solid vapor pressure
WAGNER25
TDE Wagner 25 liquid vapor pressure
MUVTMLPO
ThermoML polynomials for vapor viscosity
MULNVE
TDE equation for liquid viscosity
FAMILY
Compound family n