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</span>科学家设想的核聚变火箭采用等离子体喷射流技术，将蓝色的等离子体流注入火箭喷嘴，在各层金属环（锂金属）结构控制的压力室内被压缩，将能量突然释放出来，使得锂金属在磁场控制下的喷嘴区域蒸发、电离，由此产生了 ...</div> </div> <!--[diy=diysummarybottom]--><div id="diysummarybottom" class="area"></div><!--[/diy]--> <div class="d"> <!--[diy=diycontenttop]--><div id="diycontenttop" class="area"></div><!--[/diy]--> <table cellpadding="0" cellspacing="0" class="vwtb"><tr><td id="article_content"><p> 科学家设想了使用核聚变火箭将人类送入火星轨道的新蓝图，艺术家构思的核聚变火箭配备了<a href="http://solar.oecr.com" target="_blank" class="relatedlink">太阳能</a>电池板，主要用于宇宙飞船启动段的能量收集。来自华盛顿大学的研究人员称，人类一直无法实现快速行星际航行，核聚变动力技术将为我们带来新的能量源，采用与太阳类似的聚变反应产生动力。该机构的科学家正在雷蒙德空间推进公司进行聚变火箭动力的研究，将其应用于深空航行还需要扫除很多障碍，比如建造成本高昂，飞行过程中能否确保宇航员的健康等。 </p> <p> 科学家设想的核聚变火箭采用等离子体喷射流技术，将蓝色的等离子体流注入火箭喷嘴，在各层金属环（锂金属）结构控制的压力室内被压缩，将能量突然释放出来，使得锂金属在磁场控制下的喷嘴区域蒸发、电离，由此产生了可驱动火箭前进的推力。</p> <p><a href="http://www.oecr.com/data/attachment/portal/201304/27/151743zzp49sawdsasxscd.jpg" target="_blank"><img src="http://www.oecr.com/data/attachment/portal/201304/27/151743zzp49sawdsasxscd.jpg"></a></p> <p> 华盛顿大学科学家试图打造全新概念的核聚变火箭，采用磁场控制炙热的等离子体流，使之在被压缩等过程后释放出聚变能量</p> <p><a href="http://www.oecr.com/data/attachment/portal/201304/27/151747sps6pz4qg6psi6sw.jpg" target="_blank"><img src="http://www.oecr.com/data/attachment/portal/201304/27/151747sps6pz4qg6psi6sw.jpg"></a></p> <p> 核聚变发动机喷嘴部位的示意图，蓝色表示等离子体流的注入情况，红色环结构是锂金属环</p> <p> NASA估计依据现有的宇航技术，人类要往返火星需要超过四年的时间，大型化学能火箭打造出的空间系统非常昂贵，发射成本估计会超过120亿美元，研究小组计算<a href="http://display.oecr.com" target="_blank" class="relatedlink">显示</a>，使用了核聚变动力后，前往火星探索任务期大约在30至90天，新型动力会使空间旅行更加实用、成本更低。但是，这一技术真实可行吗？约翰·劳斯认为实验室<a href="http://opticaltest.oecr.com" target="_blank" class="relatedlink">测试</a>已经取得了部分成功，现在需要将单独的测试实验进行合并，科学家已经研发出使用磁场控制的等离子体流，并成功在实验室中进行了测试。<br><br> 研究小组设计的核聚变火箭只需要质量很低的核<a href="http://material.oecr.com" target="_blank" class="relatedlink">材料</a>，一粒沙子大小的核材料相当于一加仑的火箭燃料，聚变系统中会形成强大的磁场，将等离子体压缩，点燃核聚变的过程仅几微秒，可在极端的时间内释放出足够的能量。整个过程可被快速重复，这样就能产生推力驱动宇宙飞船。<br><br> 华盛顿大学等离子体动力学实验室使用两个巨大的高强度铝磁铁模拟聚变动力火箭，从某种意义上说，新型核聚变装置是通过压缩等离子体流形成聚变能量，科学家准备在今年夏天进行一次实验，支持该系统的设备和<a href="http://optics.oecr.com" target="_blank" class="relatedlink">工艺</a>上较为简单，将电容器与巨大的磁铁进行接挂，触发电容器的同时还将提供100万安培的电流，短时间内作用于磁铁并快速压缩金属环，这些<a href="http://machine.oecr.com" target="_blank" class="relatedlink">机械</a>的<a href="http://optics.oecr.com" target="_blank" class="relatedlink">加工</a>工艺和仪器使用都十分简单，甚至可以在宇宙空间中进行设计作业。<br><br> 使用核聚变技术的宇宙飞船在制造过程中也会引起巨大的关注，这是因为核聚变的原料制造流程与核武器存在一定的关联，在使用方式上就存在许多不同的地方，在科学家约翰·劳斯的构思下，将核聚变打造成火箭的动力，可以减少对化学能火箭的依赖，新型概念的核聚变火箭会使用一个强大的磁场将参与核聚变反应的材料控制住，并驱导聚变物质的行为，使之远离宇航员。</p> <div><font color="#808080" size="2"><img src="http://www.oecr.com/xwb/images/bgimg/icon_logo.png"> 已同步至 <a href="http://api.t.sina.com.cn/2200118572/statuses/3571718340196585" target="_blank">update的微博</a></font></div></td></tr></table> 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