美科学家成功实现冷聚变(转载)

来源:百度文库 编辑:超级军网 时间:2024/04/30 00:23:02
来源:科技日报
  
  据德国《自然科学期刊》(Naturwissenschaften)报道,由亚力山大·什帕克领导的美国圣地亚哥海军空间和海洋作战部队系统指挥中心(SPAWAR)的一个科研小组,将电磁场作用在用钯金属覆盖的细导线上,并通过用塑料薄膜CR-39制成的探测装置记录反应中产生的重粒子,成功地观察到了冷聚变现象。
  
  热核聚变是由轻核构成的等离子体,在可控制条件下加热到很高温度,克服核间的库仑斥力,发生大量聚变而释出能量的核反应过程。为了实现受控聚变,必须使轻核处于极高温的状态,轻核以高速率作无规则运动,彼此可频繁碰撞才能产生大量聚变。但能否在常温常压下实现核聚变反应?研究人员从上世纪就开始了理论研究,虽然迄今已取得了一系列成果,但事实上从冷聚变问世的第一天起就引起的争论至今尚未得到公认的结论,主要障碍就是实验的重复性问题。
  
  据悉,近日一个独立研究小组将会对美国科学家的这项实验进行验证,如果其实验能够得到重复,亚力山大·什帕克将会得到一笔专项研究经费,以继续开展研究工作。来源:科技日报
  
  据德国《自然科学期刊》(Naturwissenschaften)报道,由亚力山大·什帕克领导的美国圣地亚哥海军空间和海洋作战部队系统指挥中心(SPAWAR)的一个科研小组,将电磁场作用在用钯金属覆盖的细导线上,并通过用塑料薄膜CR-39制成的探测装置记录反应中产生的重粒子,成功地观察到了冷聚变现象。
  
  热核聚变是由轻核构成的等离子体,在可控制条件下加热到很高温度,克服核间的库仑斥力,发生大量聚变而释出能量的核反应过程。为了实现受控聚变,必须使轻核处于极高温的状态,轻核以高速率作无规则运动,彼此可频繁碰撞才能产生大量聚变。但能否在常温常压下实现核聚变反应?研究人员从上世纪就开始了理论研究,虽然迄今已取得了一系列成果,但事实上从冷聚变问世的第一天起就引起的争论至今尚未得到公认的结论,主要障碍就是实验的重复性问题。
  
  据悉,近日一个独立研究小组将会对美国科学家的这项实验进行验证,如果其实验能够得到重复,亚力山大·什帕克将会得到一笔专项研究经费,以继续开展研究工作。
Navy Heats Up Cold Fusion Hopes

  Steve Kovsky (Blog) - May 5, 2007 1:14 AM
  http://www.dailytech.com/article.aspx?newsid=7168
  
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  Navy scientists claim that slices of CR-39 plastic, like this one, have recorded the passage of atomic particles emitted during successful cold fusion nulcear reactions. Photo by Steven B. Krivit, New Energy Times
  New proof that cold fusion works could fuel additional interest in generating power from low energy nuclear reactions
  
  Cold fusion, the ability to generate nuclear power at room temperatures, has proven to be a highly elusive feat. In fact, it is considered by many experts to be a mere pipe dream -- a potentially unlimited source of clean energy that remains tantalizing, but so far unattainable.
  
  However, a recently published academic paper from the Navy's Space and Naval Warfare Systems Center (SPAWAR) in San Diego throws cold water on skeptics of cold fusion. Appearing in the respected journal Naturwissenschaften, which counts Albert Einstein among its distinguished authors, the article claims that Spawar scientists Stanislaw Szpak and Pamela Mosier-Boss have achieved a low energy nuclear reaction (LENR) that can be replicated and verified by the scientific community.
  
  Cold fusion has gotten the cold shoulder from serious nuclear physicists since 1989, when Stanley Pons and Martin Fleischmann were unable to substantiate their sensational claims that deuterium nuclei could be forced to fuse and release excess energy at room temperature. Spawar researchers apparently kept the faith, however, and continued to refine the procedure by experimenting with new fusionable materials.
  
  Szpak and Boss now claim to have succeeded at last by coating a thin wire with palladium and deuterium, then subjected it to magnetic and electric fields. The researchers have offered plastic films called CR-39 detectors as evidence that charged particles have been emerging from their reaction experiments.
  
  The Spawar method shows promise, particularly in terms of being easily reproduced and verified by other institutions. Such verification is essential to widespread acceptance of the apparent breakthrough and is an important precursor to scientists receiving the necessary funding to fuel additional research in the field.
如果证实是可重复的,那人类的进程将为之改变.
我个人认为冷聚现象应该是存在的,但是无法在概率和单位时间的数量上达到能源利用的级别
早就有人发现冷核聚变了,只不过没有人证实,又是美国人的报道,美国人都三次报道冷核聚变了:D :D :D :D :D
快20年了,但是可重复性,一直是个大问题.以致于很多人听到这个就认为是骗局了
原帖由 snowflying 于 2007-5-11 22:54 发表
快20年了,但是可重复性,一直是个大问题.以致于很多人听到这个就认为是骗局了


一两百个原子冷聚变可以,但一大堆原子冷聚变它还冷的下来么?
觉得还是忽悠
说不定是美国人用天顶星人遗体换来的技术呢
这个消息ms存在很久了啊……
难道是钓鱼工程?;P ;P
这种另辟溪径的研究,还是值得注意的,一旦成功了,就等于绕过热聚变几十年都难以突破技术障碍.
MS 清华有个人搞过这个~一个玻璃管子里装满水,里面有铂丝网,通氢气进去,然后怎么怎么的就有核反应了~:Q
可控热核聚变都没搞掂还想搞冷核?

冷核聚变貌似很多年前就证明是和永动机一样的傻比想法。
第一类永动机直接违背能量守恒定律。第二类永动机违反热力学第二定律,如果不把熵不减少的热力学第二定律作为基本物理定律,只是作为统计规律的话,也仅仅是从统计上来说是不可能的。
室温核聚变反应由量子隧穿也不是完全不可能的(大体的物理图像和以前帖子中讨论的太阳内部核聚变类似),只是也是在统计学上来说概率极低从而不可能。这点上来说室温核聚变和第二类永动机是非常相似的。
原帖由 silentgod 于 2007-5-18 13:29 发表
MS 清华有个人搞过这个~一个玻璃管子里装满水,里面有铂丝网,通氢气进去,然后怎么怎么的就有核反应了~:Q


90年代有部电影就描写了这个,背景是一个大骗局!!
希望继续科普!