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KilaTsunami
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Harvard student? Good at the interwebz? need help finding a paper.. +k

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navierSTOKED
Posts: 858 - Karma: 33
Struggling to get a full text copy of this paper with my lame Australian databases.. If anyone has badass database access and can download a full text pdf and send it to me that would be amazing! I think harvard students should be able to do it (among others).

This is the abstract:
http://www.mendeley.com/research/effects-temperature-supersonic-jet-noise-emission/

Thanks!
Mar 27 2012 7:40PM
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theabortionator
Posts: 51595 - Karma: 161,755
I am all those things and more
Mar 27 2012 7:42PM
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accualyisdolan
Posts: 3295 - Karma: -192
i agree its stupid to have to pay college tuition or pay subscription fees to get more than abstracts on all the journal literature
Mar 27 2012 7:44PM
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navierSTOKED
Posts: 858 - Karma: 33
more as in you can help me? or more is in you're overqualified..
Mar 27 2012 7:45PM
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theabortionator
Posts: 51595 - Karma: 161,755
Nah, unfortunately I don't have anything good to offer.


I can offer you my friendship and some vibes toward finding what you need. Unfortunately that's all I got :(
Mar 27 2012 7:47PM
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navierSTOKED
Posts: 858 - Karma: 33
thank you Sir, thank you very much!
Mar 27 2012 7:52PM
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elemeno89
Posts: 1582 - Karma: 79
than you sir, thank you very much!
Mar 27 2012 7:53PM
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elemeno89
Posts: 1582 - Karma: 79
thank you sir, thank you very much!
Mar 27 2012 7:53PM
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FatWhore
Posts: 2213 - Karma: 1,098
I found this, Its by Harvard
http://adsabs.harvard.edu/abs/1992dglr.conf..295S
Mar 27 2012 7:54PM
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navierSTOKED
Posts: 858 - Karma: 33
yeah it's just tough getting anything here, even with full access.  Anything NASA or US govt. related is pretty much impossible unless you're a US citizen/enrolled at a US uni
Mar 27 2012 7:56PM
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navierSTOKED
Posts: 858 - Karma: 33
that's the one, just need the full text!
Mar 27 2012 7:58PM
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FatWhore
Posts: 2213 - Karma: 1,098
damn, thats all I got..
Mar 27 2012 8:01PM
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navierSTOKED
Posts: 858 - Karma: 33
thanks anyway dude! +k
Mar 27 2012 8:02PM
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navierSTOKED
Posts: 858 - Karma: 33
Bringing this back as I need this god-forsaken article ASAP!

I'm pretty sure a Harvard account should be able to access it!

Here's the full citation: J.M. Seiner, M.K. Ponton, B.J. Jansen, and N.T. Lagen, "The Effects of Temperature onSupersonic Jet Noise Emission," DGLR/AIAA 92-02-046, DGLR/AIAA 14th Aeroacoustics Conference, May 11-14, 1992, Aachen, GERMANY
May 31 2012 11:58PM
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manutdsaol
Posts: 906 - Karma: 56
I can't help you but you could try emailing someone at Harvard or even the author of the paper if you can find their email. If you bug enough people you will probably get your paper. Make up some BS about being an aspiring student if you have to.
Jun 1 2012 12:24AM
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Piste.Off
Posts: 11586 - Karma: 1,860
You can buy it for $20 here
http://www.annualreviews.org/doi/pdf/10.1146/annurev.fl.27.010195.000313
Jun 1 2012 12:29AM
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crab_pretzel
Posts: 3919 - Karma: 622
one sec, ima just check all the databases i have accounts to and see if its in there... be back in a little
Jun 1 2012 12:30AM
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crab_pretzel
Posts: 3919 - Karma: 622
sorry, but i didnt find your exact article. i dont know if you needed that specific one, or just needed the subject matter its on and thought by the title that it was promising, but i found plenty of other good stuff on that topic. lemme know if you want any
Jun 1 2012 12:43AM
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navierSTOKED
Posts: 858 - Karma: 33
Thanks man, I really need that one though.  10/10 for effort though and thanks again!
Jun 1 2012 12:54AM
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cobra_commander
Posts: 16909 - Karma: 4,686
go to the AIAA website, and search for it. If not a member you will have to pay for it.
Jun 1 2012 12:59AM
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cobra_commander
Posts: 16909 - Karma: 4,686
Also, the link is citing a bad AIAA journal number. it should be yr-####. not yr-##-###
Jun 1 2012 1:07AM
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TallerThanThou
Posts: 615 - Karma: 13
I tried searching JSTOR but to no avail. Good luck.
Jun 1 2012 1:23AM
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navierSTOKED
Posts: 858 - Karma: 33
can't find it on AIAA site either..
Jun 1 2012 1:34AM
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SteezyasPie
Posts: 1160 - Karma: 15
sorry, none of the engineering journals/databases I have access to have that paper, I even checked my old high school's because ProQuest has a copy of it, but their license doesn't seem to cover that section
Jun 1 2012 1:53AM
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navierSTOKED
Posts: 858 - Karma: 33
dang, thanks for looking guys
Jun 1 2012 2:01AM
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cobra_commander
Posts: 16909 - Karma: 4,686
Do you need a source for a paper or is this for a project? For most noise pollution analysis we model the dissipation as damped harmonic wave propagation. Temperature increase will have an exponential decrease dampening, the sound wave will travel further.
Honestly, humidity will have a much larger affect.
Jun 1 2012 2:14AM
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navierSTOKED
Posts: 858 - Karma: 33
I'm modelling a supersonic axisymmetric jet in OpenFOAM and I want to check their nozzle geometry.  My supervisor gave me the stagnation pressures and a few other key values from that study but he won't, or can't give me the full paper.
Jun 1 2012 2:24AM
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cobra_commander
Posts: 16909 - Karma: 4,686
Use your stagnation pressures, and other data to calculate the Mach before and after the shocks, and use those to find the turn angle. Write a script using MATLAB or the equivalent to run the limit of these, and you will be able to get a good approximation of your nozzle.

If you need to determine the expansion section of the nozzle, assume isentropic conditions and run in reverse. You can then use this as a base and adjust it as you see fit based on your calculated errors.
Jun 1 2012 2:37AM
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navierSTOKED
Posts: 858 - Karma: 33
I've already made my nozzle using MoC, but I need to make some comparisons to widely accepted papers, which this is, it's just not widely available apparently!
Jun 1 2012 2:42AM
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