收稿日期: 2018-11-27
网络出版日期: 2021-07-22
基金资助
上海市科委重大基础研究资助项目(18JC1410402);上海市科委重大基础研究资助项目(16JC1400602)
Development of high-accuracy water-vapor transmission rate test model using electrical method
Received date: 2018-11-27
Online published: 2021-07-22
李泽文, 张建华, 郭爱英 . 一种基于电学法的高准度水汽透过率测试模型[J]. 上海大学学报(自然科学版), 2021 , 27(4) : 677 -685 . DOI: 10.12066/j.issn.1007-2861.2174
A high-precision problem of the traditional electrical method for determining the water-vapor transmission rate (WVTR) was analysed, and a high-accuracy WVTR test model with current distribution characteristics correction was developed. Based on the test model, a complete and simple WVTR test system was designed. The system hardware required high-adaptive fixtures for easy maintenance and a fully enclosed test environment, and the software included multi-threading, time-error compensation, and adaptive correction algorithms. The theoretical analysis and experimental test results showed that the modified WVTR test model and system satisfied the design requirements of low costs, high precision, and high accuracy.
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