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固体发动机试验安全标准的格式、项目的建议和讨论
虎哥
13年2个月前
回复于
喷气推进
内容:但是这是对于通过少装
燃料
的办法专门降低了最大射高的试验火箭,稍微实用一点的火箭,最大射程就很大,要在东部地区找到这么大的场地几乎是不可能的,就算是西部最偏僻的地区,要找几十公里半径内一个人都没有的地方,
【发射前事务通知】
焓熵`
13年2个月前
回复于
喷气推进
内容:———————邪恶的分界线—————————————————— 周六任务汇总: 1.发射架焊接及安装调试工作(由会会负责,若无时间,由焓熵负责) 2.航电设备装舱及调试(由猴子负责,黄湛均协助) 3.
燃料
浇筑及发动机装药
[山寨]半金属发动机教程
虎哥
14年7个月前
回复于
喷气推进
内容:称量、配置KNDX熔融液,因该
燃料
已非常成熟,这里不再细谈。
关于土豆炮的一点设想。
helium
8年5个月前
回复于
极客DIY
内容:我有几个建议(安全为上):1,使用纯氧-
燃料
混合的时候,这种PVC材质会炸膛的,建议是改小燃烧室容积以及使用金属材质的燃烧室。
磁爆装置
旗鱼
16年4个月前
回复于
EMP和强微波
内容:非核电磁脉冲弹则利用炸药爆炸或化学
燃料
燃烧产生的能量,通过微波器件转换成高功率微波辐射能,能发射峰值功率在吉瓦以上、频率为1吉赫~300吉赫的脉冲微波束,在裸露的导电体(例如裸露的电线、印刷电路板的印制线
回 13楼(【四方】) 的帖子
拔刀斋
11年5个月前
回复于
喷气推进
内容:输入的个体长度,直径和芯径,然后选择固体颗粒WT或芯
燃料
WT。,程序删除
燃料
总重量铸造管重量计算推进剂密度。,如果你已经从你输入的
燃料
重量减去浇铸管重量选择中没有下拉框铸造管。,注:发动机燃烧1发动机1的信息必须与
燃料
对应“信息”选项卡。
<科研萌新>近代物理发展史mewo~~
王智壹
6年5个月前
发表于
物理
内容:11、我国宋朝发明的火箭是现代火箭的鼻祖,与现代火箭原理相同;但现代火箭结构复杂,其所能达到的最大速度主要取决于喷气速度和质量比(火箭开始飞行的质量与
燃料
燃尽时的质量比);俄国科学家齐奥尔科夫斯基被称为近代火箭之父,人工控制核聚变的一个可能途径是:利用强激光产生的高压照射小颗粒核
燃料
。
在羽毛上滑行 滑雪板火车又快又节能
大仙
16年6个月前
发表于
极客DIY
内容:目前运营的轨道列车为了克服轨道的摩擦力需要耗费巨大的能量,而新型的“滑雪板火车”不但可以提速,更重要的是可以减少火车所需的
燃料
,降低运营成本。
KCSA 萬戶-Ⅰ型火箭 實時信息集合帖
焓熵`
13年3个月前
回复于
喷气推进
内容:設計出更大規格的金屬發動機,並承擔一部分箭體設計;降落傘製作,加固等任務 燈——負責發射場地篩選,網絡信息傳播等任務 會會——負責機械部分組裝加工,開傘部分設計等任務 金屬發動機由子林與猴子協調完成設計工作; 子林完成
燃料
澆築模具設計
好吧 来弄一弄液体火箭吧
艺术就是爆炸
13年6个月前
回复于
喷气推进
内容:涡轮泵是由气体涡轮、
燃料
泵和氧化齐泵等组成,其功用是由涡轮带动泵,将来自贮箱的推进剂的压力由几百千帕提高到几万千帕。,可见液体发动机的难点:耐高温燃烧室,内部管路,
燃料
供应,发动机控制及涡轮泵
真实世界2012年将上演“太阳风暴”?
mass_lynnxy
15年10个月前
发表于
天文与空间科学
内容:差不多所有的天然气和
燃料
管道的修复需要电力支持。
一个爆震玩具,只是玩具
zx-16533
11年9个月前
回复于
极客DIY
内容:PDE具有循环热效率高、
燃料
消耗率低、结构简单、重量轻、推重比高、比冲大、推力可调等优点,成为当今发动机领域一大研究热点。
模型火箭基础知识
核武专家
16年2个月前
发表于
喷气推进
内容:所以外部
燃料
箱的顏色是橘色就是这个原因。,好的固体
燃料
药柱。,
燃料
重量几乎佔了整体重量的绝大部份。,当
燃料
烧完后,火箭进入惯性飞行。,
燃料
随著时间变化。
LOX—PMMA 液氧聚甲基丙烯酸甲酯再生冷却发动机测试,及其性能探究(成都地区活动马
猎鹰
12年2个月前
发表于
喷气推进
内容:[hr][hr]第二次测试:测量PMMA的推移速率,这也是开发新
燃料
最重要的一步。,这台发动机设计使用的
燃料
是HDPE,但是由于药柱熔化在发动机壳内无法取出,也就没法继续使用,只有通过强制烧的办法取出,正好就利用这次测试推移速率。
磁悬浮列车!如何通过超导技术实现强悬浮力
公众号EV技研作者1900
5年5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
燃料
车的能量效率对比驾照依旧免不了
科创的科学家们,请来这里畅想未来十五年
mark33
10年9个月前
回复于
科学技术学
内容:url=pVtZACoQFKXC3u3uGwMLnOSaH515OPxJ_2H9z4l2Yw7eR2f2H6wnlEnphUwUp42f 试着去想象一下吧:现在的航空航天技术,都是依靠笨重的火箭或者庞大的
燃料
推进系统,,30年后的今天,离子发动机技术成熟以后,取代了传统的
燃料
发动机,航天飞机,空天飞机的体积更小,说不定到时候都人手一架了。
他用卫星轨道向宇宙写了张借条——玩星星的爷爷,谢谢你曾来过地球
1211
9年2个月前
发表于
航天技术
内容:在这条轨道上,卫星受到的太阳和地球的引力相抵消,不用耗费什么
燃料
就可以在停留在地球和太阳之间相对静止的运行...
强烈期盼大虾们改造电磁枪制造水电爆炸,我等着看效果
10班陈大葱22号
15年7个月前
回复于
电磁炮
内容:“水电爆炸”可以破碎多种矿物
燃料
,还能切开岩石,挖掘隧洞等等。
比亚迪搅局电动汽车
LED
17年2个月前
发表于
极客DIY
内容:押宝铁电池 纯电动车是很多汽车厂商很早就有的想法,但一直以来无法解决车载电池容量与成本、安全性的问题,所以通用等厂家不得不研发技术难度更高的氢
燃料
电池,以求在技术上寻找突破。
(转)低浓度浓缩铀提炼
【四方】
11年10个月前
回复于
化学
内容: 泰勒和乌拉姆写成《On Heterocatalytic Detonations I》,提出“流体力学透镜和辐射镜”的概念;泰勒-乌拉姆构形诞生:初级爆轰产生的冲击波和辐射能都可以用来压缩次级中的热核
燃料
,热辐射不仅将小室内的热核
燃料
加热至聚变温度,还在氧化铍外壁上产生压力,向内挤压氘-氚混合物,加速了燃烧的过程。,1954年4月25日:美国进行使用固体热核
燃料
的核武器试验 1955年11月6日:前苏联首次进行了从图―16飞机上投掷氢弹的试验。,翻译后的设计图 内爆部分设计裂变
燃料
钚239,氘/氚助爆设计;接下来就是中子反射层(铀238、铍)、惰层&裂变层(铀238)。 ,进一步来说,初级当量小时,能量大多以冲击波释放,X射线在初级当量中占的比例也会很低,而次级主要是靠X射线来压缩的,冲击波会在热核
燃料
被加热之前就把它们炸飞。
50mmJ级火箭发动机的测试与数据采集
qharryq
12年2个月前
发表于
喷气推进
内容:燃烧室长度:220mm 设计耐压:25MPa 喷喉直径:9mm 拉喷扩张比:10 所用的KNDX(65/35)药柱参数如下—— 外径:46mm 内孔直径:10mm 单段药柱长度:55mm(共四段)
燃料
总质量
关于民用火箭的探讨
司马郁
12年2个月前
发表于
喷气推进
内容:目前中国民用火箭,应该以陕西中天的最热门吧,我看到的消雹增雨火箭都是他们出品的,固体
燃料
,各种控制系统都很完备。
【中文翻译】日本电动车大奖赛规则、赛程及报名方式
公众号EV技研作者1900
5年9个月前
发表于
电动汽车
内容:61kw以下) 第5项 EV-C级别・转换级别(把电动机更换成引擎的车辆) 第6项 EV-P级别・原创级别(开发车辆/赛车专用) 第7项 EV-F级别・市售车级别(FCV=
燃料
电池车级别,第2项 在EV-F级别比赛(
燃料
电池车辆)中,对于任何车辆,禁止在网格上和在决赛开始之后供应氢气。
《导弹总体结构设计网络课程》
虎哥
16年6个月前
回复于
喷气推进
内容:图3.1 地空导弹的典型弹道图3.2 空空导弹尾部攻击弹道 2.空空导弹的典型弹道 (1)考虑
燃料
消耗量的严重情况 这时,导弹应取最低作战高度(一般可取高度为3km)、最大射击距离,、尾追攻击、目标以最大速度直线飞行的状态作为考虑
燃料
消耗的设计情况。
[原创]世界领先的发动机专利
wzxx
18年10个月前
发表于
极客DIY
内容:四 与转子机相比,本机燃烧条件大为改善,本机面容比(表面积和容积之比)大大小于转子机,尤其在压缩终了及作功开始阶段,且和往复机一样单向压缩单向膨胀,不存在转子机角部工质不易
燃料
的问题 五 本机进气压缩腔和作功排气腔可设计成不等容积的
【分享实验】锂,钠,钾,钙分别于乙醇的反应证明其金属性谁更强!
氰化铊
13年9个月前
发表于
化学
内容:那种用作酒精灯
燃料
级别的档次不要拿来 不然你会哭的!
群里面有没有朋友试做过飞轮电池的!!
mirroryqj
12年7个月前
发表于
电子技术
内容:温度范围 限制 不限 不限 相对尺寸(同功率) 大 最小 中间 储能密度 小 大 大 放能深度 浅 深 深 价格 低 高 较高 环境影响 污染 无污染 无污染 飞轮电池兼顾了化学电池、
燃料
电池和超导电池等储能装置的诸多优点,车辆在正常行使时和刹车制动时,给飞轮电池充电,飞轮电池则在加速或爬坡时,给车辆提供动力,保证车辆运行在一种平稳、最优的状态下的转速,可减少
燃料
消耗,空气和噪声污染,发动机的维护,延长发动机的寿命。
【核史】世界上第一台核反应堆——芝加哥一号堆(Chicago Pile-1)简介
国和中合
4年8个月前
发表于
核技术与核仪器
内容:部分石墨块留有空洞以安置核
燃料
铀球。
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