粉丝32.6万获赞156.2万

怎样简单计算火箭需要多少推进器?或者火箭能有多少速度增量?那我们不得不提起一个人,那就是苏联科学家齐尔科夫司机,他在一九零三年提出了火箭携带推进器与获得速度增量关系的公式。 杰尔科夫司机,火箭公式包含了速度增量、喷流速度、发动机开始工作到结束工作时火箭的质量。例如我们现在知道火箭质量为两吨,剩下五百千克缺陷剂。 已知火箭发动机比冲三百五十秒,比冲乘以九点八米,每二十方秒就是有效排气速度。这样我们就可以直接套公式计算出燃烧完这些推进气后,火箭的速度增加了九百八十七米每秒。

齐奥尔科夫斯基公式为苏联科学家齐奥尔科夫斯基于一九零三年所提出,即在不考虑空气动力和地球引力的理想情况下,计算火箭在发动机工作期间获得速度增量的公式,即 v 等于 omega m 零, m k 适中, v 为速度增量, omg 为喷流相对火箭的速度, m 零和 mk 分别为发动机工作开始和结束时的火箭质量。用这个公式可以近似的估计火箭需要携带的推进剂的数量以及发动机参数对理想速度的影响。 这个公式的主要作用是可以近似的估计火箭需要携带的推进剂的数量以及发动机参数对理想速度的影响。通过使用这个公式,可以根据火箭的质量和推进剂的消耗量计算出所需的推进剂数量,并 且可以根据发动机的参数计算出理想速度的值。这个公式在火箭技术中有着广泛的应用,例如用于计算火箭发动机的喷气速度和向心力,以及用于计算火箭的推力和速度。除了在火箭技术中的应用, 其奥尔科夫斯基公式还有其他一些重要的应用,例如在计算空间推进器的推力时, 可以使用这个公式来估计推进剂的消耗量和喷气速度。此外,在计算火箭的稳定性和控制系统的设计中, 也需要使用这个公式来计算火箭在稳定工作点上的速度和角速度。总之,齐奥尔科夫斯基公式是一个非常重要的数学公式,在火箭技术、空间推进技术和航天工程等领域都有着广泛的应用。

goddard might have dreamed of reaching the moon but his liquid rockets never even reached two miles into the sky and that's because of something called sealcofsky's rocket equation when silkovsky was thinking about how to power a rocket one of the things that he realized was that you're not just moving the payload you've also got to move the fuel and the fuel itself has weight now you can imagine putting more and more fuel in order to power your rocket more, but at the same time you're adding more and more weight ziokovski tried to describe this catch twenty two problem by considering things like the mass of the rocket, the fuel and the payload and the velocity it would need to reach to get to orbit the longer the engine burns the more velocity the rocket will have, but longer burning means more fuel making the rocket heavier and harder to push it's a vicious cycle and still bedevil's rocket scientists today to travel fast enough to deliver a payload into space most of the rocket has to be fuel the critical consequence of the ceokovsky equation is the fact that really rather depressingly only a tiny percentage of a rocket can ever be payload and when you think back to the lunar missions of the apollo space program those enormous rockets were used to fire just three men nasa's giant saturn v the largest most powerful rocket ever to fly build in a hurry to race to the moon engineers hacked the rocket equation by building the saturn v in a series of disposable stages where each set of tanks and engines were discarded as they ran dry shedding weight and allowing the next rocket stage to accelerate even faster。
