[mlpack] Rocket injector demo

sai_ng jonpsy101 at gmail.com
Mon Jul 19 12:15:20 EDT 2021


Hi again

Great insights, I'll add some more detail. For the curious, the paper used
CFD based simulation with multiple trial-and-error to get those
coefficients relating objective function to design variable. Again, I
encourage you to drop in a review or two in the future PR for the notebook.

Reg those other articles, I found them interesting but the notebook will
get too verbose. I'll do something about them in my blog though :).  Fun
fact: Sirisha Bandla's hometown,Guntur, isn't very far from mine (like 8
hours or so).

S



On Mon, Jul 19, 2021 at 8:22 PM Benson Muite <benson_muite at emailplus.org>
wrote:

> Hi Sai,
>
> It is not immediately clear where the optimization equations come from,
> you give references which are great, but may want to see if some of them
> explain how the resulting equations are derived from more complicated
> models. Probably a few sentences on this are helpful, typically for
> studying instabilities, people solve combustion equations that include
> fluid mechanics and chemical reactions. A full explanation would
> probably take more space than is available, but a few hints would be
> helpful.
>
> Probably also interesting:
>
> https://en.wikipedia.org/wiki/Indian_Space_Research_Organisation#Launch_vehicles
>
> Maybe also relevant in the billionaire space race:
>
> https://www.gulftoday.ae/news/2021/07/19/india-born-woman-helps-design-rocket-that-takes-jeff-bezos-to-space-tomorrow
>
> Regards,
> Benson
>
> On 7/19/21 5:21 PM, sai_ng wrote:
> > Hello Benson
> >
> > About the background, I suppose you're talking of the "Framing the
> > problem" section? The notebook is in alpha stage, I'll be making a
> > series of PR to improve it,  you could directly review it on the pull
> > request :)
> >
> > Thanks for the link for combustion instability, I will add that as a
> > hyperlink reference in the notebook. About the Soyuz model, currently,
> > we're only simulating the injector design of a typical rocket agnostic
> > of F-1 engine or in this case Soyuz model. This will keep things very
> > simple.
> >
> > Hope I answered your queries.
> >
> > S
> >
>
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