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约找到 1273 条结果,耗时 0.396 秒
测试放电管大电流下的导通压降以及击穿电压
Ball_Lightning
2年5个月前
回复于
电磁炮
内容:关于
二级
放电开关的事咱们可以停止讨论,因为用它都没成功过哪怕一下😅。
回 13楼(老兵) 的帖子
whd1982
11年6个月前
回复于
电磁炮
内容:子弹在每个速度点都有一个最佳的加速配置,单级的话0~30m/s,最大效率的加速配置是15m/s左右,但在起始0和到顶30的的时候效率都是非常低下的如果拆成3份,第一级用5m/s的配置加速0~10段,第
二级
用
论坛里面有人做可控速的线圈炮吗?
虎哥
7年11个月前
回复于
电磁炮
内容:如果采用磁阻加速系统,需要在第一级加速时就根据实时测得的数据预估末速度,第
二级
又修正,第三级继续修正……至于每一级有什么性格,又会如何影响弹丸,又如何调整基本量(时间、电流等),可以考虑采用机器学习的方法
[求助]关于磁阻炮结构及选型的若干问题
三水合番
1年9个月前
回复于
电磁炮
内容:线圈电阻不是“单匝电阻*匝数”,是“单匝电阻*匝数的平方”矩阵开关哪里你是这么操作的吗:以顶楼那张multisim的电路图为例,第一级导通q1,q4,第
二级
导通q2,q5,以此类推。
关于AI模型生成病毒基因序列的研究
chenghangtian
9个月19天前
发表于
软件综合
生物学
严肃内容: 预印本
内容:然而,病毒基因序列的特性多种多样,包括但不限于长度、序列复杂性、
二级
结构等。,此外,病毒基因序列的
二级
结构也是其特性之一,这直接影响到病毒蛋白的结构和功能。
关于模型火箭赛事的通知
ABC
16年7个月前
回复于
喷气推进
内容:模型发动机燃料柱各种构型特点分析风对模型火箭发射的影响模型火箭的气动稳定设计降落伞的制作延时剂的选择与制作自制遥控发射装置用市售器材制作电子延时器系统
二级
火箭的几种分离和点火方案分析模型火箭尾翼材料的选择电点火器的类型和制作如何提高模型火箭发动机点火效率
世界首个采用电力驱动燃料泵的运载火箭“电子号”首次商业发射成功
太空来电
6年1个月前
发表于
喷气推进
内容:发射程序:54分钟T-0:电子火箭升空T-2分42秒:一级火箭发动机关闭T-2分45秒:一级火箭分离T-2分48秒:
二级
火箭发动机点火T-3分06秒:整流罩展开分离T-9分12秒:飞入近地轨道空间T-9,分15秒:第
二级
火箭发动机关闭T-9分20秒:第三级火箭(居里号上面级)分离T-51分01秒:第三级火箭(居里号上面级)点火T-52分07秒:第三级火箭(居里号上面级)关闭T-54分10秒:6颗卫星陆续部署完成有效载荷,“电子”号火箭是一款小型
二级
运载火箭,全长17米,直径1.2米,起飞质量10.5吨,500km太阳同步轨道运载能力为150kg,也可以将比较重或较轻的卫星送入较低或较高的轨道,例如45°倾角近地轨道最大运载能力为,火箭一级采用9个卢瑟福发动机,
二级
采用1台真空型卢瑟福发动机。,火箭一级采用完全相同的9台发动机,每台可以产生18kN的推力,火箭
二级
的1台发动机针对真空环境做了适应性改动,推力可达22kN。
多级火箭级间分离机构设计
Vanguard_Marx
2年6个月前
发表于
喷气推进
内容:通过电磁铁卡住上面级的机构(比如上面级延伸下来的铁棒)起到固定的作用,再通过飞控控制电磁铁的开合,从而起到分离的作用,流程:一级燃料用尽(传感器探测或计时电路发送信号给飞控)→电磁阀门开→等待0.5秒,
二级
发动机点火
泥子关于小型固体火箭助推器分离的一些设想--------------------{泥子出品}
MoMoNiz
11年2个月前
发表于
喷气推进
内容:----------------下面这个是火箭分离的截面图--------------- 里面不只是助推器的分离,还有一
二级
火箭的分离!
涡轮轴发动机
FYJ41
1年10个月前
发表于
航空技术
严肃内容: 专业科普
内容:舰载反潜双发直升机以及直十一 涡轮轴发动机:在构造上,涡轮轴发动机也有进气道、压气机、燃烧室和尾喷管等燃气发生器基本构造,但它一般都装有自由涡轮,如图所示,前面的是两级普通涡轮,它带动压气机,维持发动机工作,后面的
二级
是自由涡轮
回 52楼(zpyws) 的帖子
曼株莎桦
11年11个月前
回复于
电磁炮
内容:在打气之前建议把气筒拆开在顶部的中间看见一个塑料单向阀,把塑料螺丝拧下来抹点502沾死再拧回去,(为了防止气筒变成
二级
火箭啊,呵呵 你知道意思的。)
有没有人试过发射铝管?
flyjack
9年9个月前
回复于
电磁炮
内容:在我引用的文献中,那位同学也是提出磁阻+感应的复合结构,不过他是用了两级,初级在低速状态用磁阻加速,第
二级
用感应加速,这样就可以分开应用不同的方式控制电流上升速度了 也不一定要分成两段,这样容易断裂,
关于KC最近的火箭设计活动
jetliao
13年9个月前
发表于
喷气推进
内容:串联式助推器,如同大多数的洲际导弹一样,将第一级置于第
二级
之下。
连载:3D打印8级磁阻加速器
rb-sama
6年1个月前
回复于
电磁炮
内容:建议用
二级
扳机结构,或者和我一样用一根小的拉簧扣在扳机上,辅助复位。
我的可调发射架方案
bkh123
13年7个月前
回复于
喷气推进
内容:3
二级
分离 这个也测试了,BP熔断套管方法,虽然成功分离并引燃
二级
,但是是在弱强度套管下成功,真正要想保证一定强度套管下分离还需试验。
关于线圈炮线圈参数的理论计算和选择讨论
thebluetree
10年6个月前
发表于
电磁炮
内容:2.第
二级
和第三级都是40*4的时候理论效率最大,但是和45*4以及50*4区别不大,后者需要更长的炮身,有没有做过实验的童鞋分享一下经验。
千萬不要學我...
badboy-fly
12年0个月前
回复于
电磁炮
内容:我放的视频里面,第
二级
没有这样做,威力小,并且看着电路板上的布线也马上要出现烧断的现象了。
提高磁阻式电磁枪效率的一种设计结构
lpcwl
14年7个月前
回复于
电磁炮
内容:前两个子线圈通过可控硅2组成第一级线圈,第一个电容通过可控硅1和第一级的两个子线圈放电,此时,子弹与线圈的耦合程度比一般的结构高,当子弹头部到达缝隙B处时,3和4两个可控硅导通,后两个子线圈通过可控硅4组成第
二级
线圈,,第二个电容通过可控硅3和第
二级
的两个子线圈放电。
制作微型特斯拉线圈(转帖
vocal@ルカ
14年7个月前
回复于
高电压技术
内容:之间存在的L3和L4,造成非常高的电压,发展跨
二级
松散耦合。,降低
二级
终端。,该线圈的耦合可能是有点高,因为是闪在
二级
排放成为自由空间。
新手制作4级电磁炮的疑惑
2SC1970
6年11个月前
发表于
电磁炮
内容:光电位置加17.5(子弹长度一半,即中心点)就是第
二级
的“初始位置”。
回 30楼(彩虹之巅) 的帖子
www1988
11年11个月前
回复于
喷气推进
内容:我不是很懂火箭,但是听您这么说,我觉得自制一个振动开关还是可以克服这种问题的,我说的不对就劳烦您科普了,首先火箭发动机关闭后,由于
二级
尾翼的作用,火箭应该是箭体倒置下落,而且火箭的减速加速度是可计算的,
能力考验之改错题测试:使用液态氢是美国人登月造假的证据
hchc0834
10年2个月前
回复于
喷气推进
内容:引用 猎鹰:现在基本上都是煤油,液氢基本上是第
二级
,很少用。
《导弹总体结构设计网络课程》
虎哥
16年5个月前
回复于
喷气推进
内容:即 在前面分析第
二级
质量时可知:当导弹其他战术载荷等已确定时,主要取决于值,而值又与有关。
多级加速基础第二级的电流互换。注意前面二个光控开关是为第二极准备的
west_0830
14年11个月前
回复于
电磁炮
内容:所以我的二个光控和弹头是配合做到刚弹头前部刚进入第三级线圈部位这时弹头还是处于第
二级
的中间位置。
13-1型说明书
leeqingyang
12年0个月前
发表于
喷气推进
内容:基于这一目的,我们将13-1航电系统的主体功能选定在定时开伞上,同时扩展了点火和一
二级
分离,并开放了部分IO口的使用,以便作为其他机构的运行。,◆ 主要特点针对小型业余火箭的开伞而设计整合了点火、一
二级
分离系统适用于初学者的简单操作丰富的扩展接口◆ 主要性能以ATmega328为主的单片机系统可以支持多种外扩模块(IMU,GPS,SD
回 16楼(狩猎者) 的帖子
4341261
14年1个月前
回复于
电磁炮
内容:电容无法再次触发可控硅所以不存在二次启动问题 在扳机处是2级模式开关 扳机闭合状态 触发级电源与触发电容并联(给触发电容充电) 扣动扳机 电源与电容断开 当扳机到达发射位置时 电容放电 触发可控硅 光耦同时启动 关断主电容
二级
也是如此
目前国内最低成本(大概)Fusor制作的研究报告及经验分享
米酷二二三
1年4个月前
回复于
核技术与核仪器
高电压技术
内容:因为咱使用的
二级
泵是一台玻璃三级扩散泵,进气口是一根横向玻璃管。,此外,容器改为双层外壳,中间有空腔可抽真空,实现
二级
密封。
【听我说瞎话】电炮基础教程之原理篇
听我说瞎话
11年6个月前
发表于
电磁炮
严肃内容: 教程/课程
内容:(脉冲电源可由合适容量的电容提供)这就是单级磁阻式加速原理,如果弹丸经过第一级线圈加速飞出后紧接着进入第
二级
线圈再由第
二级
线圈再次加速,然后第三级第四级,弹丸经过不断的加速就可以获得很高的速度,这就是多级磁阻式加速
百度百科“万户一号”草稿
虎哥
13年2个月前
回复于
喷气推进
内容:初定的试验项目包括:多发动机并联的推力平衡控制,
二级
火箭的分离技术,多基站联合多普勒矢量测速,惯性导航技术等。,为了降低对场地的要求,极限射高参数多次被降低,从3千米降低到1500米,又降低到500米,一
二级
在100米高度分离。,“万户-Ⅰ”相关数据 箭体总长:247cm 一级长度:103cm
二级
长度:100cm 头锥长度:40cm 连接部分长度:4cm 总重:11.793kg 外壳材质:HD-PVC 发动机壳体材质,:6061-Al(铝合金) 发动机喷口材质:45#钢 燃料:KNDX 一级推力:288.4N;总冲:622.4N/s
二级
推力:188.6N;总冲:409.4N/s 降落伞材质:尼龙-66
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