Acta Optica Sinica, Volume. 45, Issue 1, 0124004(2025)
System and Method for Fluid Surface Property Measurement Using Microscale Surface Light Scattering
Figures & Tables(9)
Fig. 1. Schematic diagram of experimental system of microscale surface light scattering
Fig. 2. Schematic diagrams of experimental ontology. (a) Front view; (b) side view
Fig. 4. Schematic diagrams of microscale liquid level adjustment. (a) 103 μm microchannel; (b) 26 μm microchannel; (c) 42 μm microchannel
Fig. 6. Experimental values calculated using Eq. (8) and first-order approximations calculated using Eq. (2) for three alkanes, and comparison with NIST10.0 literature values
Table 0. [in Chinese]
View tableTable 0. [in Chinese]
d /μm σ of isooctane /（mN‧m-1） Ur （σ） of isooctane σ of n-decane /（mN‧m-1） Ur （σ） of n-decane σ of hexadecane /（mN‧m-1） Ur （σ） of hexadecane 72 18.445 0.033 23.370 0.142 26.990 0.430 74 18.455 0.162 23.453 0.031 26.827 0.316 76 18.220 0.076 23.343 0.128 27.138 0.447 78 18.468 0.083 23.318 0.106 26.790 0.195 80 18.280 0.138 23.418 0.103 27.255 0.472 82 18.260 0.304 23.221 0.093 26.961 0.484 84 18.164 0.193 23.452 0.066 26.988 0.427 86 18.254 0.188 23.436 0.104 26.993 0.374 88 18.450 0.107 23.329 0.094 27.051 0.406 90 18.301 0.164 23.343 0.190 27.033 0.423
Table 1. Basic properties of three samples
View tableTable 1. Basic properties of three samples
Sample Chemical AbstractsService No. Chemical formula Boiling temperatureTb /K Molecular massM /（g·mol-1） Purity /% Isooctane 540-84-1 C8H18 372.45 114.23 99 n-decane 124-18-5 C10H22 447.15 142.29 99 Hexadecane 544-76-3 C16H34 560.15 226.44 99
Table 2. Experimental data of surface tension of isooctane, n-decane, and hexadecane at different microchannel widths
View tableTable 2. Experimental data of surface tension of isooctane, n-decane, and hexadecane at different microchannel widths
d /μm σ of isooctane /（mN‧m-1） Ur （σ） of isooctane σ of n-decane /（mN‧m-1） Ur （σ） of n-decane σ of hexadecane /（mN‧m-1） Ur （σ） of hexadecane 30 18.805 0.114 24.167 0.735 26.871 0.644 32 18.602 0.070 23.036 0.292 26.551 0.711 34 17.998 0.234 24.033 0.364 26.843 0.109 36 18.284 0.071 22.929 0.283 26.635 0.149 38 18.399 0.038 23.238 0.073 27.176 0.109 40 18.663 0.054 22.879 0.537 26.733 0.155 42 18.471 0.034 23.568 0.154 26.909 0.412 44 18.327 0.024 23.519 0.138 27.033 0.477 46 18.502 0.153 23.206 0.136 27.010 0.365 48 18.144 0.434 23.288 0.148 26.938 0.174 50 18.441 0.126 23.686 0.158 26.955 0.509 52 18.277 0.101 23.481 0.110 26.904 0.385 54 18.423 0.030 23.169 0.053 27.117 0.328 56 18.527 0.092 23.640 0.201 27.293 0.742 58 18.389 0.070 23.028 0.089 27.136 0.568 60 18.356 0.031 23.355 0.097 27.110 0.398 62 18.636 0.202 23.476 0.220 26.865 0.216 64 18.378 0.024 23.297 0.069 27.218 0.324 66 18.703 0.360 23.401 0.102 27.369 0.781 68 18.335 0.126 23.152 0.068 27.038 0.262 70 18.532 0.187 23.644 0.084 26.904 0.266
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Xingshe Wang, Haichuan Shen, Guanjia Zhao, Jianfei Wang, Jianguo Yin, Suxia Ma. System and Method for Fluid Surface Property Measurement Using Microscale Surface Light Scattering[J]. Acta Optica Sinica, 2025, 45(1): 0124004
Paper Information
Category: Optics at Surfaces
Received: Aug. 30, 2024
Accepted: Oct. 14, 2024
Published Online: Jan. 21, 2025
The Author Email: Guanjia Zhao (xituthermo@foxmail.com)
CSTR:32393.14.AOS241496
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