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约找到 195 条结果,耗时 0.205 秒
225N
气氧
-乙醇 电泵式再生冷却液体火箭发动机
关山口国服坤坤
1个月7天前
发表于
喷气推进
科创基金
关键词:
气氧
设计120牛
气氧
乙醇发动机流程
LSEQY
5个月9天前
发表于
喷气推进
航天技术
关键词:
气氧
500牛电泵循环
气氧
煤油发动机立项
LSEQY
1年3个月前
发表于
喷气推进
关键词:
气氧
气氧
煤油发动机喷注器
kc-89277
2年11个月前
发表于
喷气推进
摘要:
气氧
离心式喷注。
针栓,直流,气体直流,
气氧
直流喷注器设计计算软件
LSEQY
5个月9天前
发表于
喷气推进
航天技术
摘要:目前将先分享针栓,液体直流,
气氧
直流以及气体直流喷注器的设计
液氧乙醇火箭发动机
气氧
测试~~~~~
神の左手
12年3个月前
发表于
喷气推进
内容:点击此处查看视频此机设计为液氧乙醇火箭发动机,因个人金钱周转不灵在此上演了一段
气氧
乙醇火箭发动机的耐温性能与耐压性能的测试!
LOX煤油火箭发动机
气氧
初步试车成功!
神の左手
11年10个月前
发表于
喷气推进
内容: 苦苦等待了3个月,科创航天液体火箭发动机项目组终于在2013年2月23日半成功的测试了
气氧
煤油火箭发动机,这次实验的初步成功为我以后的实验打下了深深基础!
150N
气氧
煤油发动机辐射冷却可行性验证
154454496
4年9个月前
发表于
喷气推进
科创基金
一、项目背景液体火箭发动机(LRE,下文简称液机)是一种利用液体化学物质所储存的化学能产生推力,从而推动飞行器飞行的装置。液机由于工作时间长,燃气温度高,且燃气接触壁面使得其冷却就变得十分重要。现在液机主流的冷却方式有再生冷却,烧蚀冷却,容热冷却,液膜冷却,辐射冷却等。再生冷却一般用于大推力发动机,其优势在于冷却效果好,材料成本低廉,但是加工略繁琐,且对于液氧-长链烷烃组合而言,若使用液氧冷却,需...
第一次发帖:关于我参考并改造后的
气氧
PMMA发动机,希望大家能指出其中的错误
BBQBB
9年6个月前
发表于
喷气推进
内容:若干年后的前两个月,我在论坛看见了一位先生FROZEN巨擘做的非金属火箭发动机LH4-B XXXXXXXXXXXXXXXXXXXXXXXX/t/71645 ,感觉好有创意,于是就在想,能不能用来做
气氧
===出 微型氮气/氧气分子筛 4位半手持万用表等===
RodTech
11年1个月前
发表于
跳蚤市场
1、从ebay上花399美金买的分子筛,空气源没有放就闲置了,通入干燥空气,输出98%氮气, 没有条件测试纯度or好坏,但保证封口无拆,1000RMB顺丰到付出。 2、UNIT UT71E手持四位半表,电压档亲自校准了,电池盖螺丝不见不影响。100顺丰到付出 3、X射线显微数字成像系统,含DR平板、采集软件与SDK开发包、微焦点W靶管与电源,请PM询价,约1.8W~3W,depends on具...
设计120牛气氧乙醇发动机流程
koikatu
2个月3天前
回复于
喷气推进
航天技术
内容:想问一下RPA里面氧化剂的O2是液态氧能直接用来算
气氧
的吗我拿你展示的数据跑了一遍喷管各个尺寸都有点差距
电解炮
tony1543
14年5个月前
发表于
电磁炮
内容:电解氢
气氧
气燃烧 电磁阀打开高压点火 电解时间长 氢
气氧
气密度可以达到很高 威力应该会更大 欢迎探讨
白鸟计划-线性塞式-推力室
阿卡林Akkariin
1年10个月前
发表于
喷气推进
航天技术
内容:白鸟计划-线性塞式发动机-推力室比冲462s 室压40mpa 出口马赫数3.44 推力30吨喷注器为同轴剪切
气氧
气氢混合 单个推力室为欠膨胀的拉瓦尔喷管的火箭发动机 混合比5 略微富燃(减少分子量提高比冲
关于炮姐转职生产硝酸钾这档事(完)
疯狂的people
3年9个月前
回复于
化工矿冶
内容:还有,别忘了2500℃水分解成氢
气氧
气,然后高温boom
记录自制YBCO超导体的一些问题
浪里黑条
4年11个月前
回复于
化学
物理
内容:注意安全,如果用氧
气氧
化,混合气氨含量要么低于13.5%,要么高于79%(这么高可能不太合适);如果用空气,氨含量要么低于15%要么高于28%,否则加热容易爆炸。
点解NaOH制Na真坑爹!
hefanghua
12年4个月前
回复于
化学
内容:电解NaOH会有氢气、氧气产生,钠会被氧
气氧
化,实验条件下还不如电解NaCl。
怎么让KNO2大量转变为KNO3?
spinaci
12年10个月前
发表于
化学
内容:空
气氧
化觉得比较慢,而且纯度不见得高
KOH+Fe(OH)3通氯气能制高铁酸钾吗?
yy+sy
16年0个月前
发表于
化学
内容:这玩意能把氧
气氧
化成臭氧吗?
气氧煤油发动机喷注器
kc-89277
2年10个月前
回复于
喷气推进
内容:
气氧
接口崩开。,
气氧
最大阀门时接口崩开。,准备重新处理
气氧
接口。
做一个10kg级别的小液体火箭(持续更新)
dr-sama
1年5个月前
回复于
航天技术
喷气推进
内容:上周把动力系统改成
气氧
煤油,用电泵给煤油增压。
万户计划(第一阶段)·立项
阿卡林Akkariin
1年1个月前
回复于
喷气推进
内容:
气氧
密度低 干质比会降按照你的目标
气氧
肯定不行
开源小型液体火箭发动机工程DRSAMA-OP01(已实现简单悬停)
dr-sama
1年5个月前
回复于
航天技术
喷气推进
内容:上周把动力系统改成
气氧
煤油,用电泵给煤油增压。
压缩弹簧腐蚀后弹性势能去哪了
20!Dopaminor
3年3个月前
回复于
物理
内容:来个永动机:海底电解水,得到氢
气氧
气氯气等,气体上浮时释放的重力势能可以用来发电,海越深,发电越多。
铝空气电池制作教程
qq182800836
10年5个月前
回复于
化学
内容:应该说人类和动物很早就大规模使用了,每一呼吸都在消耗空气中的氧气。,氧气是够用的,植物吸收了二氧化碳排出废
气氧
气。
回 52楼(婺源寻芳) 的帖子
game00over
12年7个月前
回复于
农业
内容:但那时大
气氧
含量就不高了。
液氧乙醇火箭发动机气氧测试~~~~~
猎鹰
12年3个月前
回复于
喷气推进
内容:还是提出一个建议,使用
气氧
小推力测试时最好单独做一个小的喷管供测试使用。,比如我的固液就有两套喷管,一套用于
气氧
,另一个用于过氧化氢。
风之力同学想做钛的氧化 传点文献上来
风之力
14年9个月前
回复于
化学
内容:看来看去,大
气氧
化法最简单 [s:94]
液氧乙醇火箭发动机气氧测试~~~~~
神の左手
12年3个月前
回复于
喷气推进
内容:通过视频观察,发现大型的
气氧
火箭发动机在氧燃比正确的情况下工作很不稳定,怀疑问题在于大型
气氧
火箭发动机在注入氧气的时候压力比较大,导致没有燃烧完全的燃料被吹除出去,因而工作很不稳定,,相信上液氧的时候可以避免这个问题
做一个10kg级别的小液体火箭(持续更新)
dr-sama
2年7个月前
发表于
航天技术
喷气推进
动手实践: 实验报导
内容:基本参数推力:10kg燃料:
气氧
乙醇起飞质量:8kg设计燃烧室压:1MPa首先解决发动机问题,疫情下做事情很不方便,喷注器的氧气喷嘴加工错了(离心喷嘴因为切向孔打成了直孔变成了直流喷嘴,无语🙄),但没办法
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