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未来发电技术种种发电新方法 怎么发电?
大仙
16年6个月前
发表于
电气电工
内容:加拿大对垃圾处理十分重视,把它当作发电的
燃料
。,他们在安大略湖边上建立了用90%的煤和10%的垃圾作
燃料
的发电站,发电能力为一万五千至二万千瓦。 ,氦核聚变发电 美国威斯康星大学科学家在“阿波罗”号宇宙飞行中对月球考察时发现,月球上含有大量的氦——3,人类可以利用它作为核聚变发电的安全
燃料
。 ,氦——3是氦的一种问位素,用它作核聚变
燃料
,不但热值非常高,而且它产生的射线剂量很低,所以很安全。 ,风筒、温室、发电机等设备的制造加工和施工装配都很方便,建造速度又快,又无需
燃料
,没有高温高压设备,技术管理简单,更无污染。
科创航天局将择机发射万户0型二级火箭
qq154884863
13年9个月前
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喷气推进
内容:[upload=1] 就如图片中的东西一样我们做三个这种尾翼不用是卷起来个各占火箭外壁三分之一的位置,缝隙用硝化棉塞好,一起放入一级火箭中,锁死放好,点火后一级火箭升空
燃料
燃烧完成后趁着一级火箭还在上升进行二级火箭的点火
科创航天局将择机发射万户0型二级火箭
juggernaut
13年9个月前
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喷气推进
内容:图上灰色的弧形和矩形代表二级发动机的喷管....浅绿色位置为折叠状态的尾翼....下面蓝色的弧形和褐色矩形部分是参考制退器设计的一个连接件 这个装置位于一级发动机顶端 内部填充一定量的抛射药下部用薄片和一级
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隔开
锂离子电池热失控的机制
公众号EV技研作者1900
5年5个月前
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电动汽车
内容:来临无刷电机驱动电路结构解析电动汽车背后藏着——石油、战争、地缘政治6分钟完成充电,续航320km——东芝TNO/NCM电池初探老铁,来杯特斯拉专利文献不,电磁口味的【日本庆应大学、群马大学数据】EV与
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车的能量效率对比驾照依旧免不了
【第二次试车】HTPB推进剂 碳纤维发动机
KFWJ
9年3个月前
发表于
喷气推进
内容:点火药的外径是和
燃料
柱内孔一样的.
63毫米固体火箭发射和5031发动机试车
星航工业
3个月16天前
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喷气推进
动手实践: 实验报导
内容: 尾翼选择材料是环氧树脂版,嘉立创定制pcb1.4mm环氧树脂版 火箭设计fluen仿真本次火箭发射使用的是5031固体火箭发动机具体设计可以看 文章号930729和930000发动机
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制作发动机试车点火药安装
【原创】教你做稳定的点火头
123123123
14年1个月前
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喷气推进
内容:然后将下面的铜线,弯下来,让钢丝不会松 把线围绕着线,向上缠 ,一直缠到顶端 缠到最上面之后,将上面的铜丝弯下来,剪断钢丝 取一块kndx(我放到生石灰里保存的,这个加了氧化铁) (可以用别的做
燃料
50mm金属发动机试车(某中学科创葵花社火箭项目组)
学术分
12年2个月前
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喷气推进
内容:废话少说,上发动机参数 发动机最大直径:58mm 发动机内径:50mm 燃烧室长度:220mm 耐压:25MPa 拉瓦尔喷管扩张比:9.7 喷喉直径:9mm 所用
燃料
为重结晶法KNDX,共4段内孔为10mm
今天早上试验了一个发动机
wuym2
14年2个月前
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喷气推进
内容:直径2.5厘米,长15厘米铁管,
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棒圆形中空,环氧树脂加水泥做的堵头和喷嘴,两头做的缩口处理倒立用遥控点火器点燃。
翻了很多老帖总结的一些发动机设计
1000
15年6个月前
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喷气推进
内容:喷燃比的计算喷燃比=压强(Pa)/(燃速m/s*特征速度m/s*密度kg/m^3)KN系
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的熔铸密度都为1.8 kg/m^3 ,KNDX的特征速度为889m/s KNSU的特征速度为895m/s KNSB
【H3C小组】一、Arduino二级火箭分离开伞自动控制程序源码【原创】
game00over
12年7个月前
发表于
软件综合
内容:单片机使用arduino NANO 3.0 ,体积小,重量轻 说明:通过Arduino单片机控制固体
燃料
二级火箭的分离和开伞动作,以及航拍模块控制 1~4针脚分别为继电器1~4 继电器1控制航拍模块供电
Re:楼主这是你做了出来还是转来的呢..自己做的因知道原理吧
克虏伯火炮
15年3个月前
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喷气推进
内容:楼主用的这个说白了很简单,北落师门 大学士和 俊MM版主 已经说了,就是用电(中间那个轴承后面的是电动机)驱动压气机,喷入
燃料
燃烧的涡喷。
外星人或在建戴森球
rudolf
9年2个月前
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天文与空间科学
内容:仅仅从逻辑上说,如果外星人的可以已经达到大规模制造白矮星物质的程度,他们完全可以捕获气态行星来作为核
燃料
。
EV电池与HEV电池的差别
公众号EV技研作者1900
5年7个月前
发表于
电动汽车
内容:23740项汽车专利事件】调查电动汽车背后藏着——石油、战争、地缘政治6分钟完成充电,续航320km——东芝TNO/NCM电池初探老铁,来杯特斯拉专利文献不,电磁口味的【日本庆应大学、群马大学数据】EV与
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车的能量效率对比
自制金属发动机,萌新求教
Ruzen
2年6个月前
发表于
喷气推进
内容:分界线 此次制作的发动机燃烧室采用内径35mm,外径40mm,长30cm的6061t5级铝合金管,堵头采用两种规格的pvc水管制作,喷口采用螺母垫片加自制拉喷,理论喷燃比436,实际可能要低一些,
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用的是三氧化二铁催化的改性,然后用纸卷成燃烧室内壁大小的圆柱,将
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浇筑进去,插入8mm直径的四氟聚乙棒,等待2小时后很轻松就能拔出,一共做了两段这样的药柱,每段长100mm,就10cm,等待24小时后将两段用电工胶布绑在一起做隔热层
【多图】有关余空航天(原技术宅科技)真空仓内爆事故的陈述与报告
小白一只
8年11个月前
发表于
喷气推进
内容:2016年2月19日,我们三人尝试进行一次少量的APCP
燃料
浇筑,我们使用的是余空航天(原 技术宅科技)制作的固体火箭真空浇筑设备,此设备全部由有机玻璃制作,设计耐压-600,价格为8000元,然后我们用真空舱开始浇筑,APCP
燃料
,真空舱开始抽真空时,我们三人都在旁边监视表压,因为他们的真空仓在之前的使用中只抽到-300,玻璃板就开始有了明显的变形,他们这个设备我们用的是一点也不放心,所以我们是一直紧盯压力表.
星云科技矢量姿态控制火箭研发过程以及一些相关声明
XYSC
1年10个月前
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喷气推进
动手实践: 实验报导
内容:我们在没接触KC时,也经历过粉压
燃料
、PVC管外壁等一系列如今看来十分危险的不当操作,当时的试车台极为简陋,正如大家所想的,爆炸了。 ,在学习大量的相关资料和成功经验后,我们技术的进步可以说是飞跃性的,不仅了解到KNSB、RNX这些远优于KNSU的火箭
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,还了解到许多发动机内弹道以及拉瓦尔喷口的相关知识,可惜苦于高中的课业环境,我们没有条件也没有能力做出更优质的发动机乃至火箭
MREO-WX III 模型火箭发动机
kc276644985
9年6个月前
发表于
喷气推进
内容:/72816】,第二代发动机的成功对于第三代机的研制是意义重大的,我发现第二代机工作后,发动机内部除了PVC隔热层烧灼严重以外,其它部分几乎都是完好无损,如果能把卡的很牢的PVC隔热层取出来再重新装填
燃料
,
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用的是KNDX。
2021关于tvc矢量火箭研究成果
薄荷糖MasQ
2年11个月前
发表于
喷气推进
动手实践: 实验报导
内容:但是但是,之后的发射中使用了rnx
燃料
,出现了点火问题,导致tvc的结构全部烧毁,飞控并没有出现问题。,前面我说了,发动机tvc更换了,现在说一下原因:首先25mm发动机的工作时间是有限的,时间很短,这样不太好发挥出tvc 的作用,其次是推力还是太小,使用的
燃料
内孔形状只能使用圆孔,限制了推力时间。
科创论坛火箭版第二届”放飞梦想 KC与你同行”业余火箭竞赛标准(草案)
leeqingyang
12年2个月前
发表于
喷气推进
内容: 100%(相对参赛人数) 三、 竞赛组别 A组:以液体发动机(含固液) 作为主要动力的火箭发射B组:以金属固体发动机(起飞
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总重量,作为主要动力的火箭发射C组:以金属固体发动机(起飞染料总重量≥1kg) 作为主要动力的火箭发射D组:以非金属固体发动机 作为主要动力的火箭发射E组:以其他动力(不使用
燃料
,) 作为主要动力的火箭发射F组:特殊组(包含火箭外壳等不是以起飞作为目的的配件,试车,具有创新性的
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实验,学术讨论等) 四、 评审标准依据标准 《中国业余火箭执行标准
RS-A-3.1陶瓷喷管发动机测试报告
warmonkey
15年6个月前
发表于
喷气推进
内容:直到内孔径达到6的时候,喷燃比才达到80(压力1MPa),也就是说,白白消耗了1.36g
燃料
(占14.6%)主要原因是使用内孔燃烧时,喷燃比变化太大,导致初始喷燃比和末期喷燃比难以兼顾。,4.防潮已经制作好的药柱必须放在有干燥剂的密封罐中,防止受潮影响性能,KN系
燃料
是热量高,产气少,所以损失热量对
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性能影响很大。
2、B-200 火箭发动机:
lilith
14年0个月前
回复于
喷气推进
内容:2、B-200 火箭发动机:2.1简介早在1973年,Richard Nakka就有了设计B-200发动机的想法,目的在于设计一款使用KNSU
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的发动机用于开伞装置的测试,设计的目标为能够将火箭送到足够的高度
新人来报道,懂化学的来聊聊,高锰酸和高浓度过氧化氢做液相发动机
atlas
15年6个月前
回复于
喷气推进
内容:再其次,液体
燃料
需要先气化,才能进入燃烧室,如果是液相混合,根本做不了火箭。
RAP发动机实验~杯具了
拔刀斋
15年1个月前
回复于
喷气推进
内容:2010-02-09 22:21发表的 :产生葫芦的阶段只是初始阶段 这个阶段燃烧还没有稳定稳定的燃烧是到火焰只剩烟的时候这个时候葫芦是看不见的也就是葫芦消失到爆炸前的这个阶段因为环氧的流动性决定了
燃料
表面的环氧要比内部稍微多一点
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