Stiffness and Resiliency of Wet and Dry Fibers as a Functi of Temperature
Stiffness and Resiliency of Wet and Dry Fibers as a Functi of Temperature
复制标题
湿纤维和干纤维的刚度和弹性与温度的关系
DOI：
10.1177/004051755902900303
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发表时间：
1959
影响因子：
2.3
通讯作者：
A. T. Walter
中科院分区：
文献类型：
--
作者：
G. M. Bryant;A. T. Walter
棉花和棉籽工业正在与其他原材料供应商一起实现技术方法和仪器的现代化。本文描述的是一种改进的电导率仪器，用于快速、准确地测量皮棉、籽棉和棉籽的水分含量。基于样品总重量的水分含量百分比显示在直读表盘上。与标准烘箱方法相比，该仪器可在 3.3-22% 湿度范围内实现 ± 1% 的精确测量。相对较大的代表性样品（35 克皮棉、100 克籽棉和棉籽）、样品密度的控制（600 磅/平方英寸压力）以及稳定的电气系统是仪器成功的因素。开发背景 业界很早就认识到需要一种快速、准确的方法来测定棉花和棉籽样品的水分含量。早在 1875 年，一次国际会议就在瑞士召开，旨在通过纺织纤维和织物的回潮率标准。从那时起，研究不断提供有关该主题的大量信息；因此，开发了许多有用的仪器来测量水分含量。基本上，迄今为止开发的所有能够快速、准确地运行的仪器都是电气类型的，这些仪器可以分为两大类：电容型，其中介电常数与接线相关；以及电容型，其中介电常数与接线相关。以及电导率类型，其中样品的电阻与水分百分比相关。在这两种方法中，残留法是最流行的。 Ed'ef sen [2] 总结了介电法测量纺织材料水分含量的潜力；最近，Heark (3) 研究了纤维 sasanblies 的介电特性。 Whitten 和同事 141 得出的结论是，抗性方法对于棉籽来说是最实用的。
The cotton and cottonseed industries are modernizing technical methods and instruments along with suppliers of other raw materials. Described herein is an improved electrical conductivity instrument for measuring rapidly and accurately the moisture content of lint cotton, seed cotton, and cottonseed. Moisture contents in percentages, based on total weights of samples, are indicated on a direct reading dial. Accurate measurements of ± 1% in the 3.3-22% moisture range are obtainable with this instrument when compared with standard oven metheds. A relatively large representative sample (35 g. lint cotton, 100 g. seed cotton and cottonseed), control of sample density (600 lb./sq. in. pressure), and a stable electrical system are the contributing factors for a successful instrument. Background of Development The industry has long recognized the need for a rapid and accurate method of determining the moisture content of cotton and cottonseed samples. As early as 1875 an international conference assembled in Switzerland to adopt standards for moisture regain in textile fibers and fabrics. Since then research has continuously provided a wealth of information on this subject; as a result, a number of useful instruments have been developed to measure moisture content. Essentially all of the instruments developed to date that operate with speed and accuracy are of the elecI trical type, and these instruments can be divided into two general classes : the capacitance type, in which the dielectric constant is associated with nwisture; and the conductivity type, in which the electrical resistance of the sample is correlated with the percentage of moisture. Of the two, the resi~oe method is the nwst popular. Ed’ef sen [ 2 ] summarized the potentials of the dielectric method for measuring the moisture content of textik materials; more recently, Heark (3) has investigated the dielectric properties of fiber sasanblies. Whitten and coworkers 141 concluded that the resistance method is the most practical for cottonseed.