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3:51 pm
January 31, 2010
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EggyWeggs
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Hi Everyone!
I'm an aerospace engineer and I'm here to help. My background:
* Bachelor's degree in Aerospace Engineering from University of Minnesota
* Master's degree in Aerospace Engineering from Georgia Tech
* Currently pursuing my Ph.D. in Aerospace Engineering from Georgia Tech
* Graduate Research Assistant at NASA Langley Reserach Center in the area of hypersonic, airbreathing propulsion
I have three specialty areas that I know a bit about, including advanced design methods (stochastic design and optimization), spacecraft and launch vehicle design (including orbital mechanics), and high temperature gas dynamics.
I am unsure what level of involvement I will be able to take as I am working on my own research at the moment. At the very least I would be available for any design reviews and any other technical advisement.
Erik
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7:25 pm
January 31, 2010
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Luke Maurits
| | Adelaide, Australia | |
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Welcome to the team! You sound like a fantastically qualified person to have onboard.
As luck would have it, "design reviews" from experienced people are pretty much exactly what we are looking for at the moment. We have somewhat tired ourselves out lately working on a Project Overview document for our lunar landing project, to help with raising awareness/excitement about the project and also to get detailed feedback on our plans. It's relatively lengthy (although a good deal of it is diagrams/tables/graphs/etc), but if you did have the time to give it even a brief glance over and offer us your thoughts, it would be a tremendous help.
I suspect it will be a little while before we need any really particular technical advice on the sorts of things you specialise in, but we certainly will need them eventually as our plans progress and it will be great to have you around when that time comes.
Once again, welcome!
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Main CLLARE workgroups: Mission Planning, Navigation and Guidance. I do maths, physics, C, Python and Java.
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12:33 am
February 1, 2010
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Rocket-To-The-Moon
| | Altus, Oklahoma, USA | |
| Member | posts 685 | |
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Hello!
Welcoming new members is my favorite thing to do around here. It is just great to see new and enthusiastic people who are willing to lend a hand. Your specialties are deeply needed and will contribute valuable knowledge to the project.
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Main Workgroups: Propulsion & Spacecraft Engineering
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9:41 am
February 1, 2010
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brmj
| | Rochester, New York, United States | |
| Member | posts 402 | |
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Welcome!
Thanks for joining the team. That skill set is something that will help a lot. We've got quite a bit that we will eventually want to run past you, in all likelyhood. In any case, I look forward to working with you.
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Main work groups: Propulsion (booster), Spacecraft Engineering, Computer Systems, Navigation and Guidance (software)
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6:05 am
February 2, 2010
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rpulkrabek
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| Member | posts 349 | |
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EggyWeggs said:
At the very least I would be available for any design reviews and any other technical advisement.
Erik
Great! Maybe you can assist me in someway. Take a look at this forum thread which is about developing a rocket, mainly the nozzle:
http://cstart.org/forum/rocket…..la-design/
At the moment, I feel that things are progressing alright, but I may be overlooking some basics. The equation for thrust basically says have a large outlet-to-throat ratio. The simulations I am doing are telling me to go with a design such as:
 
But this seems unstable to me. Is it so that the fluid should be at it's peek velocity right at the exit? Should the nozzle look more like this:
Lately all of my results are showing that the nozzle exit diameter should be about the same size as the inlet diameter. Is this true? My main question is, what should I be altering to maximize thrust, and how should I alter it?
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