CIESC Journal ›› 2022, Vol. 73 ›› Issue (7): 3251-3261.DOI: 10.11949/0438-1157.20220017
• Energy and environmental engineering • Previous Articles Next Articles
Qingjie ZHAO1(),Xiaohong HU1,2,Chao ZHANG1,2,Fengxian FAN1,2()
Received:
2022-01-05
Revised:
2022-04-01
Online:
2022-08-01
Published:
2022-07-05
Contact:
Fengxian FAN
通讯作者:
凡凤仙
作者简介:
赵庆杰(1995—),男,硕士研究生,基金资助:
CLC Number:
Qingjie ZHAO, Xiaohong HU, Chao ZHANG, Fengxian FAN. Nucleation behavior of water vapor on fine particle containing insoluble core and soluble inorganic salt[J]. CIESC Journal, 2022, 73(7): 3251-3261.
赵庆杰, 胡晓红, 张超, 凡凤仙. 蒸汽在含有不可溶核和可溶无机盐的细颗粒物表面的核化特性[J]. 化工学报, 2022, 73(7): 3251-3261.
参数 | 符号 | NaCl | KCl | CaCl2 |
---|---|---|---|---|
活度 | a1 | -0.5286 | -0.3818 | -0.5507 |
a2 | -1.0298 | -0.7788 | 1.3166 | |
a3 | -1.7330 | 0 | -17.9406 | |
a4 | 0 | 0 | 21.6473 | |
气-液界面自由能 | B/(N·kg/(m·mol)) | 1.6200×10-3 | 1.4923×10-3 | 3.4372×10-3 |
Table 1 Coefficients for calculating water activity and surface tension of inorganic salt solution at room temperature and pressure
参数 | 符号 | NaCl | KCl | CaCl2 |
---|---|---|---|---|
活度 | a1 | -0.5286 | -0.3818 | -0.5507 |
a2 | -1.0298 | -0.7788 | 1.3166 | |
a3 | -1.7330 | 0 | -17.9406 | |
a4 | 0 | 0 | 21.6473 | |
气-液界面自由能 | B/(N·kg/(m·mol)) | 1.6200×10-3 | 1.4923×10-3 | 3.4372×10-3 |
参数 | 符号 | 单位 | 数值 |
---|---|---|---|
温度 | T | K | 298.15 |
压力 | p | Pa | 101325 |
颗粒中不可溶核的密度 | ρp | kg/m3 | 2400 |
可溶无机盐质量分数 | fs | % | 20 |
单个水分子的质量 | mw | kg | 2.99×10-26 |
单个水分子的体积 | Vw | m3 | 2.99×10-29 |
水分子的平均跳跃距离 | δ | m | 3.2×10-10 |
水分子的振动频率 | υ | Hz | 1×1013 |
单个水分子的表面扩散能 | ΔGdiff | J | 2.9×10-21 |
单个水分子的吸附能 | ΔGdes | J | 2.9×10-20 |
Table 2 Computational parameters used in numerical simulation
参数 | 符号 | 单位 | 数值 |
---|---|---|---|
温度 | T | K | 298.15 |
压力 | p | Pa | 101325 |
颗粒中不可溶核的密度 | ρp | kg/m3 | 2400 |
可溶无机盐质量分数 | fs | % | 20 |
单个水分子的质量 | mw | kg | 2.99×10-26 |
单个水分子的体积 | Vw | m3 | 2.99×10-29 |
水分子的平均跳跃距离 | δ | m | 3.2×10-10 |
水分子的振动频率 | υ | Hz | 1×1013 |
单个水分子的表面扩散能 | ΔGdiff | J | 2.9×10-21 |
单个水分子的吸附能 | ΔGdes | J | 2.9×10-20 |
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