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About Paul Soderman
(Top Expert on this page)

Expertise
Aeronautics, Fluid Mechanics, Aeroacoustics, Noise Control, Muffler Design, Wind Tunnel Research.... I know nothing about India - do not ask about schools, jobs, application requirements, career choices, etc. for India. Please, no text message verbiage; I prefer full words in full sentences. Thanks.

Experience
38 years as research engineer at NASA

Publications
AIAA, NASA

Education/Credentials
B.S. and M.S. Aeronautical Engineering - U. of Washington Graduate work Standford U.

Awards and Honors
AIAA Associate Fellow (American Institute of Aeronautics and Astronautics)

   

You are here:  Experts > Science > Aerospace/Aviation > Aeronautical Engineering

SubjectDate AskedExpert

abt basics7/8/2009Paul Soderman
  Q: sir, i am joining first year aeronautical course .i want one guidance for joins nasa and job ...
  A: NASA only employees U.S. citizens. Some contractors to NASA are non-citizens if they have a unique ...
avionics7/6/2009Paul Soderman
  Q: what is an elemantary doublet? How does it differ from the infinitesimal dipole?
  A: Doublets and dipoles are mathematical constructs used to represent certain flows and pressure fields ...
avionics(antenna)7/6/2009eigensteve
  Q: What function does an antenna fulfill? what does the principal of reciprocity say about the ...
  A: An antenna receives or transmits electromagnetic signals. If it is receiving, it converts ...
University selection.7/5/2009Paul Soderman
  Q: I earned my Bachelors in Electrical & Electronics Engineering in June,2009. I was planning to ...
  A: All graduate programs in Aero Engineering that I am aware of require a Bachelor degree in Aero or ...
percent tail plane to main plane7/4/2009Paul Soderman
  Q: I am making a twin fuselage remote control model. The wingspan will be 57 inches and the cord is 10 ...
  A: Glenn You are asking me about stability and control. In most aircraft, the C.G. (center of gravity) ...
Lift in small aircraft7/4/2009Paul Soderman
  Q: Can you estimate how much lift is expected to increase in a small aircraft flying at level flight ...
  A: Yes. The glide ratio is equal to L/D and equal to Cl/Cd, the ratio of lift coefficient to drag ...
Climb Speed7/4/2009Paul Soderman
  Q: The pilot of a small plan is flying downwind and realizes that he needs to gain altitude quickly to ...
  A: Brent There are two coordinate systems at work here - one fixed to the ground and one moving at the ...
Vy, Vx & Wind7/3/2009Paul Soderman
  Q: Does wind affect Vy &/or Vx in flight conditions? Thank you...Brent
  A: Brent Your question is too vague. Vy and Vx are just symbols for velocity vectors. You haven't ...
Lift in small aircraft7/3/2009Paul Soderman
  Q: Can you estimate how much lift is expected to increase in a small aircraft flying at level flight ...
  A: Jim This is an interesting problem. Because I know nothing of your airplane I had to make a number ...
Lift in small aircraft7/2/2009Paul Soderman
  Q: Can you estimate how much lift is expected to increase in a small aircraft flying at level flight ...
  A: You haven't told me how you are changing wing loading. I can think of three ways to do it. 1. ...
M.S. in Aeronautical7/2/2009Paul Soderman
  Q: I Am From India. Can I Do M.S In Aeronautical after Doing B.tech in Production Engineering?What is ...
  A: In the U.S., most graduate programs in Aeronautical Engineering require a B.S. degree in ...
Noises From Airplanes6/30/2009Paul Soderman
  Q: Following up my questions, if we can not eliminate noises so how we couldn't hear spy planes ...
  A: Your question is a little unclear. I believe you are asking why is it that you cannot hear spy ...
turbo6/27/2009eigensteve
  Q: while designing a car how is it tested in wind tunnel?what is the correct stream lined shape that ...
  A: This is an interesting question. When designing cars, typically a scaled down model will be tested ...
engine power versus propellor thrust6/24/2009Paul Soderman
  Q: I'm building an experimental plane and considering conversion to a diesel engine. I'm trying to ...
  A: Martin You haven't given me very much information. How do you get higher torque with less shaft ...
Wind Tunnel Design6/24/2009Paul Soderman
  Q: My background has been the design and build of simple automated machinery . I been instructed to ...
  A: Greg Designing a wind tunnel is a complicated process beyond the scope of my effort here. For one ...
Wind Tunnel Design6/23/2009Paul Soderman
  Q: My background has been the design and build of simple automated machinery . I been instructed to ...
  A: Greg You have a good contraction ratio for a subsonic wind tunnel. The length of contraction should ...
Aeronautical6/23/2009Paul Soderman
  Q: Aeronautics and Aerospace these two words are really making me confused. Would you tell me the ...
  A: Aeronautics refers to the science of flight in air. Aerospace refers to the science of flight in ...
aero eng or piloting course?6/13/2009eigensteve
  Q: im ujwal,im really passionated of aeronautical eng and want 2 choose it as my option for career.But ...
  A: I am not an expert, since I am still in school. You should decide if you want to be a pilot, or a ...
aerospace6/12/2009eigensteve
  Q: i am from india , i want to do diploma in aerospace engineering can i do that? what is the ...
  A: I am still a student, so I am not quite sure what all of the job opportunities are. Definitely ...
Noises From Airplanes6/11/2009Paul Soderman
  Q: Where noises come from when an airplane passes above us in sky? Are they most come from engines or ...
  A: I spent most of my career with NASA trying to answer that very question, along with researchers from ...
Noises From Airplanes6/10/2009Paul Soderman
  Q: Where noises come from when an airplane passes above us in sky? Are they most come from engines or ...
  A: There is usually a large difference in acoustic spectra between takeoff and landing because takeoff ...
Noises From Airplanes6/9/2009Paul Soderman
  Q: Where noises come from when an airplane passes above us in sky? Are they most come from engines or ...
  A: Mehrdad The primary source of aircraft noise is the propulsion system. For a jet engine that would ...
Aeronautic Engineering-Volunteering Opportunity6/8/2009Paul Soderman
  Q: I have a 13yrs going on 14yrs (July 09) old son who has been very much interested in being an ...
  A: I am not sure what you mean by volunteer. I have heard of flying clubs, but have no experience with ...
Some Questions about AE6/7/2009Paul Soderman
  Q: Is computer science included in curriculum while studying Aerospace engineering ? Please give me a ...
  A: Not necessarily, in my department computer programming was an elective but not a requirement; i.e.; ...
Physics project6/5/2009Paul Soderman
  Q: what it entails is a structure (no more than 4ft each way) that flies 40 ft in a strait line and ...
  A: Ben This site will give you the basic equations for aerodynamics and thrust: ...
can electronic engineer (graduate)do the aeronautical engineering in post graduate level?6/4/2009Paul Soderman
  Q: sir, i am the student of electronic and communication engineering . can electronic and ...
  A: Manoj All the schools I am familiar with in the U.S. require an undergraduate degree in Aeronautical ...
joining nasa5/28/2009Paul Soderman
  Q: im not a citizen of america. shall i never be able to join nasa. if it is so im so disappointed.can ...
  A: Nayab It is not for me to say never, but an American astronaut has to be a U.S. citizen. But other ...
Aeronautical Engineering5/21/2009Paul Soderman
  Q: Sir,at first I would like to thank you for your precious answers you are providing.Like everyone I ...
  A: 1. ...
Honeycomb cell size issue5/18/2009Paul Soderman
  Q: Mr Soderman. I must build a flow straightener but I am unsure of what the cell size must be. After ...
  A: Jose Here is an answer I got from my friend Ken Mort on a similar"I think the guy ought to use ...
Aeronautical Engineering5/18/2009Paul Soderman
  Q: I am a 3rd year student, a girl, 22 years old, doing diploma in Aeronautical Engineering (Engines ...
  A: Sophia Google U. of Washington Seattle and follow the links to: Underrepresented Students Financial ...
Advice for a new concept5/17/2009Paul Soderman
  Q: Iam a student (product design, not engineering). I have a school project for which I am designing a ...
  A: Sofia You are correct, a tape measure gets extra strength from the curvature of its cross section. ...
Aeronautics5/17/2009Paul Soderman
  Q: I am interested in aeronautics.Is it advisable for girls to study aeronautical engineering??..Where ...
  A: Yes, girls can study aeronautical engineering as well as boys. One of my best engineers at NASA was ...
Advice for a new concept5/17/2009Paul Soderman
  Q: Iam a student (product design, not engineering). I have a school project for which I am designing a ...
  A: Sofia I have heard of detachable wings and folding wings, but never rolled-up wings. I wonder how ...
aerodynamics5/15/2009Paul Soderman
  Q: Good day sir i would like to have answers and/or information on where to get detailed answers to the ...
  A: Not specifically, but the endplates can be modeled by a grid of vortices that support the boundary ...
Aeronautical Information after diploma in IT5/14/2009Paul Soderman
  Q: Sir, Could you please tell me if I can pursue Aeronautical Engineering after Diploma in IT. And, ...
  A: In the U.S. you could probably get into an undergraduate program in Aeronautical Engineering, but it ...
Flying time5/13/2009Paul Soderman
  Q: why does it take a shorter time to fly back from the East to west on airplane...... ANSWER: Salman ...
  A: Sorry Salman, my answer was incomplete as I was thinking of the winds at high altitude over North ...
Flying time5/13/2009Paul Soderman
  Q: why does it take a shorter time to fly back from the East to west on airplane......
  A: Salman Your question is a little vague, so I am going to assume you mean... why do aircraft fly ...
Difference5/12/2009Paul Soderman
  Q: what is the difference between Aerospace & Aeronautical Engineering,And what will be better?
  A: Aerospace Engineering and Aeronautical Engineering are virtually synonymous. One could argue that ...
aerodynamics and aeronautics5/12/2009Paul Soderman
  Q: Good day sir i would like to have answers and/or information on where to get detailed answers to ...
  A: Air follows the gas laws which show that density, pressure, temperature and volume are related. Air ...
Job in NASA5/7/2009Paul Soderman
  Q: I am from India. I have been selected into IIT (Indian Institute of Technology) under aerospace ...
  A: A PhD might open many doors for you. You could teach, do research or work in industry. But NASA ...

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