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约找到 94 条结果,耗时 0.275 秒
环缝塞式喷管
LS
6年4个月前
回复于
喷气推进
内容:嗯,当时确实没考虑这个问题,我考虑一下吧,看一下能不能把它魔改成液机,要不我就在车个紫铜
再生冷却
液体机
【KC2#液机】试验样机制作完毕--更新再生喉部冷却
ehco
13年0个月前
回复于
喷气推进
内容:引用第29楼拔刀斋于2012-01-19 10:19发表的 :只有喷管部分做
再生冷却
?
回 8楼(猎鹰) 的帖子
火星居士
13年0个月前
回复于
喷气推进
内容:初步成功之后,加
再生冷却
装置。
回 10楼(猎鹰) 的帖子
拔刀斋
12年0个月前
回复于
喷气推进
内容:液氧离开喷管
再生冷却
夹套时的温度按多少度设计?
中国业余界第一台液氧甲醇发动机地面测试成功
拔刀斋
11年4个月前
回复于
喷气推进
内容:相当正式和实用化的设计,紫铜
再生冷却
燃烧室+撞击式喷注器;从喷管直径与发动机机身的比例看,推重比高于以前几台发动机,基本达到国外实用化上箭的发动机的程度。
Re:回 2楼(power_rdx) 的帖子
神の左手
11年10个月前
回复于
喷气推进
内容:引用第3楼神の左手于2013-03-19 12:08发表的 回 2楼(power_rdx) 的帖子 :真正
再生冷却
的发动机材质一般都是紫铜!
民间基于氢氧发动机运载火箭的可能性。
七公里垃圾站职业技术学院
9年6个月前
回复于
喷气推进
内容:引用 猎鹰:1.有一种冷却叫
再生冷却
。
【KC2#液机】试验样机制作完毕--更新再生喉部冷却
ehco
13年0个月前
回复于
喷气推进
内容:引用第33楼xj198398xujing于2012-01-19 10:36发表的 :强烈建议EHCO
再生冷却
先放一下先上水冷试车 毕竟1W+的东西啊 嘿嘿,没事的,总要试验一次啊。
再生冷却中冷却夹层的燃料(冷却剂)能否允许沸腾?
琉璃冬
9年8个月前
回复于
喷气推进
内容:核沸腾没记错是用在液氢发动机膨胀循环上面的,具体来说
再生冷却
的话燃料是可以拿来冷却的,但是要求流速很快外加不能超过燃料分解温度
【液机材料】铌合金的一些资料
helium
10年6个月前
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喷气推进
内容:718281828kc 发表于 2014-6-22 15:02 我和5880同学经过讨论,认为某公司可能是利用内层Cu来
再生冷却
,外层及延伸段为C-103,辐射冷却。。。
论电铸法制作固体火箭喷嘴火的可能性(及其他方法论述与实践)
荷城工业_Nitload_Industry
3个月15天前
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喷气推进
内容:使用电铸法生产火箭发动机喷管壁面是一种非常常见且技术非常成熟的方案,最著名的应用就是美国RS-25氢氧液体火箭发动机喷管扩张段,使用电铸镍工艺,在使用导电石蜡(有说法就是石蜡里面加石墨)填充内壁面上
再生冷却
通道的铣槽后直接电铸成型,,最后将石蜡融掉得到
再生冷却
通道。
【KC2#液机】试验样机制作完毕--更新再生喉部冷却
拉风
13年0个月前
发表于
喷气推进
内容:H2O2、煤油比冲:250S总冲:3000NS设计室压:3MPa混合比:7.22:1材质:316L不锈钢、40Cr合金钢设计:ehco制作:拉风燃料为92%过氧化氢和煤油,离心环缝式同轴喷注器 更新
再生冷却
燃烧室
回 楼主(chejinfei) 的帖子
skeleton
11年8个月前
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喷气推进
内容:液体火箭发动机一般用主动冷却,也有
再生冷却
的,防护的关键部位是喷管喉部。
白鸟计划(持续更新中)最近更新至2023年11月12日
kcer鸭
1年4个月前
回复于
喷气推进
内容:由于上个版本涡轮泵和燃烧室问题并不大 将以上个版本为基础进行改进 不同于其他的东西一样重新设计 仅针对管路
再生冷却
喷注器等 (燃烧室)轴承 材料 喷注器等(涡轮泵)改进
关于液体发动机雾化装置的个人看法~!
jetliao
13年3个月前
回复于
喷气推进
内容:话说一般来讲,燃料的热安定性会很好,所以可以用燃料本身来
再生冷却
,产生的蒸汽跟离心雾化的氧化剂掺混,不知道这样的思路如何。
100N氢氧火箭发动机设计
鹰图小盆友
4年9个月前
回复于
喷气推进
内容:再说
再生冷却
是指液氢从底部进入冷却通道,然后从头部进入喷注器,从没有用液氧冷却,然后排掉的说法
设计并制造一台再生冷却液氧甲烷液体火箭发动机
Na4TNAE_SSSIC
1年2个月前
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喷气推进
内容:喷注器相关;液氧甲烷若采用
再生冷却
,经过简单巴兹法估算传热,甲烷进入喷注器时为超临界态,喷注速度大幅上升,更适合采用同轴剪切式喷注单元,计划将分别制造同轴剪切式喷注器和气-液针栓喷注器
小型液氧电动离心泵设计、制造和测试
AsyncMaster
2年3个月前
回复于
喷气推进
内容:今天用以前做的
再生冷却
液氧/乙醇发动机做了液氧泵的低功率热试车(液氧流量 0.2kg/s,喷注器压强闭环控制:点火13bar,保持,然后600ms内线性插值到18bar,再保持;室压 13bar,推力
提问,求解计算液体燃料喷注设计的所需数据以及计算过程
mark42
8年10个月前
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喷气推进
内容:光用软件没意思呢,另外,液氧做
再生冷却
冷却流道内压力要不要超临界?
论环塞液机的可能性
浪里黑条
6年4个月前
回复于
喷气推进
内容:另外,既然有
再生冷却
的部分,那么需要好好考虑一下推进剂的选择。,
再生冷却
比较好的常温推进剂是可以热解的烃类燃料,比如航空煤油、JP-10等。,我没有查到胺类推进剂(如混胺-50)的热行为资料,不太清楚胺类是否能用来
再生冷却
。
780N液体火箭发动机制造全纪实系列之实验型发动机制造(长期项目)
在下松田诚一
3年0个月前
发表于
喷气推进
极客DIY
动手实践: 实验报导,严肃内容: 预印本
内容:石墨喷管降低试验机成本采用石墨喷管,后续会调整为液膜冷却或者循环
再生冷却
。
设计并制造一台再生冷却液氧甲烷液体火箭发动机
Na4TNAE_SSSIC
1年3个月前
回复于
喷气推进
内容:这台发动机预计将使用的相关技术:a)火炬点火(多次点火的前提条件)b)再生-液膜复合热防护策略(长时间工作和多次使用的前提条件c)针栓喷注器(变推力和良好的工况适应性的前提条件)d)3D打印技术(复杂
再生冷却
流道加工的前提条件
225N 气氧-乙醇 电泵式再生冷却液体火箭发动机
虎哥
1个月7天前
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喷气推进
科创基金
内容:既然是
再生冷却
,必然还包括传热、散热计算,冷却介质流道的大小和多寡应当是计算或仿真确定的。
发一些老图,给各位补一补V-2导弹的基础知识(一)
火星居士
12年11个月前
回复于
喷气推进
内容:注意球形燃烧室以及
再生冷却
装置。
再生冷却中冷却夹层的燃料(冷却剂)能否允许沸腾?
拔刀斋
9年8个月前
回复于
喷气推进
内容:亚临界和超临界条件下的
再生冷却
传热特性 XXXXXXXXXXXXXXXXXXXXXXXX/t/64549
LOX煤油火箭发动机气氧初步试车成功!
skeleton
11年7个月前
回复于
喷气推进
内容:挤压式的问题在于燃油流量会随燃烧室压力波动变化,建议用小孔板节流,一来减小燃油流量,二来增强雾化掺混能力,当然如果设计成燃油
再生冷却
雾化就不是问题了。
民间基于氢氧发动机运载火箭的可能性。
猎鹰
10年7个月前
回复于
喷气推进
内容:1.有一种冷却叫
再生冷却
。
拉瓦尔喷管中的滞止状态
杂工1544
2年10个月前
回复于
喷气推进
内容:正常的喷管:喷管内壁上有杂物:由此可见,喷管扩张段表面的粗糙或杂物可能会导致周围气体温度显著高于没有杂物时的状态,对于固机这可能不是一个大问题(当然会有比冲损失之类的),但是对于依赖于
再生冷却
或者辐射冷却的液机
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