What does the exhaust plume of a rocket look like in vacuum?
As the rocket climbs higher, ambient pressure drops further still, doesn't match exhaust pressure and exhaust plume starts expanding over the nozzle ratio: Plume (a) over-expansion, (b) ideal …
Why are the rocket plumes on SN10 different colors?
At about 7:53 (T+2:30) in this official video of the SpaceX Starship SN10 test flight, the engines are shown in the lower right, with clearly different colors in the plumes.
Do rocket exhaust plumes really provide a pathway for lightning?
This plume is also expelled through the rocket engine's nozzle at supersonic speeds and, of course, extremely hot. Velocity and temperature of the rocket's exhaust gases through the …
What is the plume effect? - Space Exploration Stack Exchange
Sep 13, 2019 · The plume diameter is initially too small to significantly alter the forebody pressure. Thus, the primary effect is the entrainment of the base flow by the high velocity gases in the …
Why all the 'dust' on liftoff? - Space Exploration Stack Exchange
Feb 7, 2022 · Air is a good insulator, so when steam interacts with it at 20-30°C, it takes a while to condense, which is why the rocket plume is not necessarily billowy at semi-low altitude. But …
How bright is a rocket launch? - Space Exploration Stack Exchange
Aug 16, 2017 · We could say that the plume from a rocket launch could be happening at the first second after the launch. Final Answer: The energy released at such moment is (1/2) x …
launch - Temperature and pressure of rocket exhaust - Space …
Jul 29, 2018 · However, the bell-shaped nozzle of a rocket engine expands the exhaust stream, which both cools it and reduces its pressure. Ideally, for best performance, you want the exit …
Exhaust plume length variation across different rocket types
Jul 30, 2018 · In rockets we see exhaust plume smaller and bigger. I know length has some relation with the fuel mixture ratio (not confident about it). How to calculate, or at least …
Do the flames from a rocket cast a shadow, and, more generally, …
Jan 9, 2024 · Going back to the question, most of the visible electromagnetic energy incident on a rocket plume is not absorbed either, it's scattered. But just like any other cloud, it will cast a …
Why did Starhopper's exhaust plume become brighter just before …
Aug 28, 2019 · The (hot) rocket plume goes down, hits the ground, spreads out, kicks up dust, and then starts to rise (because it is hotter than the surrounding air). This causes the dust to …