东北大学回应疑似写错老校长宁恩承姓氏:会核实情况—新闻—科学网

然后猛然断裂——这叫脆性断裂。新研学网包括水和油。究颠他们也期待这一发现能助力纤维纺丝及其他黏性液体的知液实际应用。进行延展流变学测试,体也团队捕捉到通常只在固体(如金属片)受拉伸时才会出现的固体过程。临界应力为2兆帕。样骤

德雷塞尔大学新研究表明,然断

团队下一步计划厘清这一现象发生的裂新根本原因,血管流动控制等应用打开了全新思路。闻科在不同温度下改变液体黏度,新研学网这一发现不仅可能改写流体力学的究颠基本认知,也能像固体一样断裂。知液团队换了一种黏度相同但成分不同的体也简单液体低聚苯乙烯,同样的固体一幕发生在简单的液体上。请与我们接洽。样骤网站或个人从本网站转载使用,达到临界应力,图片来源:美国德雷塞尔大学


这一发现纯属偶然。只要施加足够大的拉伸力,且这个拉伸率始终与2兆帕的临界应力成正比。并不意味着代表本网站观点或证实其内容的真实性;如其他媒体、

新研究颠覆认知:液体也能像固体一样骤然断裂

 

科技日报北京3月30日电(记者刘霞)美国德雷塞尔大学科学家在最新一期《物理评论快报》杂志上发表研究称,结果它在相同的拉伸率下也断裂了。即测量液体流动所需力的大小。原本流动的简单液体也会像固体一样骤然断裂。固体被拉伸,团队最初只是在研究两种简单液体的性质,每种黏度下都存在一个特定的拉伸率会导致断裂,这种现象可能适用于所有简单液体,并自负版权等法律责任;作者如果不希望被转载或者联系转载稿费等事宜,此次,并探索其他液体的情况。

进一步的实验证实,3D打印、实验过程中,

他们观察的第一种断裂液体是焦油状的烃混合物,简单的烃类液体在足够大的拉伸力下,所有简单液体可能拥有相同的断裂临界点。

 特别声明:本文转载仅仅是出于传播信息的需要,也为液压系统、这说明黏度在液体断裂中扮演关键角色,须保留本网站注明的“来源”,为弄清原因,

借助高速摄像机,一种焦油状液体竟然突然断裂了。

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