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发表于
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
燃料
车的能量效率对比驾照依旧免不了
铱铼复合材料在液机中的应用
helium
10年8个月前
发表于
喷气推进
内容:H-1火箭发动机 先说一下
燃料
,这些
燃料
是有出现过的: NTO/MMH(四氧化二氮/一甲基肼),或者偏二甲肼:应用很广泛。
创造学思想录
大仙
16年5个月前
发表于
科学技术学
内容:第一个看到无用的锯末想到可以用它压制成引火
燃料
的人,获得了与众不同的成功。
【搬家清仓大处理】
ehco
12年7个月前
回复于
跳蚤市场
内容:国产老货 花冠JXD28型步话机 售价380元/对 库存1对功率5W 3信道 有天线 电池盒内无电池 液体发动机 售价80 库存1设计采用过氧化氢+乙醇胺 自燃
燃料
12V微型隔膜泵 售价30
要做液体发动机了,寻找一种雾化器
クロ
15年5个月前
回复于
喷气推进
内容:请LZ发图,你的确是有说过你把液体
燃料
用在PPR火箭发动机上面的,有图有真相,LZ如果能够发图上来的话,一切怀疑猜测都会烟消云散的..
单片机
leolz002
10年9个月前
回复于
仪器仪表
内容:4、FAI燃油喷射单元燃油喷射单元采用浙江飞亚公司拥有自主知识产权的FAI(Fuel Atomized Injection/Free Armature Injection)电磁
燃料
喷射装置,其喷射能量源于电磁驱动的直线脉冲泵,,脉冲电信号(PWM电压波)加给线圈产生的电磁能量,通过电枢和柱塞等脉冲式压缩燃油,产生(1~5)Mpa的瞬态压力,经过喷油雾化喷嘴将
燃料
雾化喷出。,足够流量的回油系统可以带走线圈工作和从动装置运动产生的热量,冷却
燃料
喷射装置可以减少蒸气和气泡的产生。
理解电机与逆变器的工作原理
公众号EV技研作者1900
5年4个月前
发表于
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
燃料
车的能量效率对比驾照依旧免不了
美国的危机感——中国正在主导全球锂电池供应链条
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
燃料
车的能量效率对比投稿通道
超导中的电磁感应现象
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
燃料
车的能量效率对比
从零造电动汽车第五期——改造油车:电池及充电器的制作
公众号EV技研作者1900
5年5个月前
发表于
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
燃料
车的能量效率对比驾照依旧免不了
百元以内金属火箭试飞,玻璃钢箭体
口贝
11年4个月前
发表于
喷气推进
内容:两枚发动机为同一批次同一锅
燃料
浇注,但是第一枚却一直无法达到理想推力,并且发动机工作时间过长导致温度过高导致玻璃钢箭体开始发黄局部呈焦黄,箭体温度达到100左右,强度下降非常厉害 这是起飞后的发射场地
【求助】关于火箭的尾翼设计
chemistry02
8年0个月前
发表于
喷气推进
内容:然而,偶尔也会有意外的情况发生,一些原本不稳定的模型火箭,在消耗掉一部分
燃料
后,其重心位置会前移,而导致其压力中心与重心的相对位置发生本质性的变化,在经过连续几个翻滚过后,在随机位置和状态下,模型火箭由不稳定转变为稳定
KNSU小型火箭发动机制作教程
black
16年0个月前
回复于
喷气推进
内容:这就是我为什么会用502胶水的原因了~这一切并不能表现出我对科学的不严谨,因为再高的科技都会有意外发生,只是关注怎样使在造价最小的条件下,获得最高的性价比,这才是科创所在~再提醒LS的,你发动机的失败有可能是
燃料
松散造成的
探究用铝罐做发动机壳体的可行性
0kjee
4个月20天前
回复于
喷气推进
内容:我觉的可重复使用这个方面lz还得谨慎对待,易拉罐铝皮本身就不太厚,你试过几次就觉的能重复使用了吗,谁知道那天你的发动机会因内压而炸了,一般来说,一段正常的knsb在点火后燃烧大约会产生最多几兆帕的内压,更何况是kn基的
燃料
呢
【讨论】肼的业余制备
粥粥
1年2个月前
发表于
化学
内容:闲话少叙是书归正传,上回说道笔者回小学参观(假装说了),方知以前在的科技社团准备开发液体发动机,无奈本人没学过发动机设计,只能在
燃料
制备上提出一点意见,于是开了个会,几个人叭叭一顿,最后决定用四氧化二氮和无水肼组合
申请科创A资金用于铝壳固机开发
ROSCOSMOS
10年2个月前
发表于
科创基金
内容:预定采用的是HTPB/AP装药,采用多根密实装填的方法,有利于增大燃烧面,加速
燃料
燃烧,由于采用多根药柱,所以我将会加入装药定位器。
中国EV无线充电的发展
公众号EV技研作者1900
5年6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
玩具潜水艇的一些想法
kalimov
12年11个月前
回复于
极客DIY
内容:潛射導彈方面,不擔心水密結構問題,倒是擔心LZ用什麽裝藥作爲火箭
燃料
。
电线电缆的术语
mass_lynnxy
17年2个月前
发表于
电子技术
内容:– Thermoplastic 热塑性塑料电子线: Class I 内部使用;Class II 外部使用Group A 不承受机械磨损;Group B 承受机械磨损W:潮态环境使用;O:防油;F:防
燃料
油
层流原理与热式原理气体质量流量计/控制器性能及应用对比 (一)
小德喵喵
3年0个月前
发表于
仪器仪表
严肃内容: 专业科普
内容:例如卫星制造、石墨烯生产、人造钻石(钻戒级)、核电站、核聚变反应堆、光导纤维、量子计算机、芯片制造、抗癌药物与基因药物、呼吸机与麻醉机、环境在线监测系统、大气污染防治设备、电动汽车、
燃料
电池、太阳能电池板生产等等
火箭喷嘴耐热性讨论
alunli
12年11个月前
发表于
喷气推进
内容:我刚买回硝酸钾,还处在入门阶段,正准备试制硝糖
燃料
,很多东西都不齐,提点不成熟的看法,活跃一下论坛。
手工制作石墨喷管指南
法式油炸薯条
9年9个月前
发表于
喷气推进
内容:石墨熔点高达3800度,也就是说不但硝糖对其根本无法造成烧蚀,甚至连高能
燃料
apcp,乃至使用铝热剂都无法对其造成损伤。
MSFRM-II 发动机 与 25mmPVC发动机
kc276644985
8年11个月前
发表于
喷气推进
内容:HTPB推进剂原料 固化后的药柱 固化后的HTPB推进剂有着神一般的易加工性能 HTPB推进剂开发式燃烧测试,烟很少,燃速较慢,典型的高性能
燃料
燃烧表现
招募新秀担任火箭版版主职务,含任务介绍
拔刀斋
11年6个月前
发表于
喷气推进
内容:希望继任者能够完成的任务:1,组织对论坛现有的精华帖链接和基础知识入门教程(理论、
燃料
、箭体、开伞等)进行整理,形成一份内容较为系统和完备的新手入门教程。
[新手辅导服务]修改图纸,回答问题
bh,王者归来
11年0个月前
发表于
喷气推进
内容: 8、你写的教程、文章或是小论文 不可以包括: 1、任何形式的
燃料
样品或是化学
[再次更新]某的第一条固液混合发动机.[视频+多P]
六味地黄丸
14年0个月前
回复于
喷气推进
内容:NOS的工作原理是把N2O(一氧化二氮,俗称"笑气"(LAUGHGAS))形成高压的液态后装入钢瓶中,然后在发动机内与空气一道充当助燃剂与
燃料
混合燃烧(N2O可放出氧气和氮气,其中氧气就是关键的助燃气体,以此增加
燃料
燃烧的完整度,提升动力。 ,正所谓“要想马儿跑得快,就要马儿多吃草”,
燃料
就是发动机的草,这样发动机 的动力才得到进一步的提升。
一个加大水压的方法
zlzm8181
16年0个月前
回复于
极客DIY
内容:而且用这种方式加压的目的若是为向更高楼层输水,则效率不高,因为存在水路冷却,消耗
燃料
产生的蒸气动能得到了利用,但蒸气的热量就在管路中散失了,只有一个好处就是没有机械活动部件,有不怕生锈,以及结构简单的优点
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