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Hi everyone, A fabulous thread - thanks, CRG, for starting it, and thanks to all who posted. This topic is very "close to home" for me. I have a B.S. and Ph.D. in aerospace engineering, pursuing the latter because I honestly believed that a more advanced degree would improve my chances at...

monkeydog: Aerospace engineering is a defined major at many universities and the term "aerospace industry" is well-known. In my opinion, that defines the field fairly well. Is there any other definition? BJC: Well, I had the feeling that civilian aerospace - commercial fixed-wing aircraft and...

Hello everyone, First, I just have to say... this is a great forum *thumbs up*. I've been on Eng-Tips (and Tek-Tips) for a while, but only now discovered this one - and it's been very useful in helping me plan some important future life/career steps. Hopefully the question I have now is...

Thanks for all your input, everyone - and thanks for your offer, Markkevin! I wound up finding a couple of unused pressure vessels in our institute. Incidentally, I work at a research institute in Germany; the vessels are to be used for a "quick-n-dirty attempt" at some results, and...

Hello everyone, I am hoping you can refer me to a manufacturer of a pressure vessel. I need a cylindrical pressure vessel made out of metal, between 5 and 7 inches inner diameter, between 12 and 18 inches tall, with detachable cover (of some sort), rated up to about 20 atmospheres. I do not...

Thanks, everybody - those are great explanations. Just what I needed! I really appreciate it! Cheers, --M. Tsurikov

Hello all, I'm having a hard time understanding something about the concept of vapor pressure. I've heard everywhere that VP is a function of temperature only. So let's say I have a liquid in a container and I know its vapor pressure plot - VP versus temperature. Is this info relative to any...

Hello all, I have a question concerning the design of a "bubbler", i.e., a vessel full of a liquid through which a gas is bubbled to pick up some liquid vapor. In my research, I have successfully used a two-stage bubbler system with nitrogen gas flowing through acetone liquid. I was...

Thanks for the insight, kenvlach! The matrix is bronze, and I am using it in a laboratory combustion setup (the flame gases pass through the matrix). A typical flow rate through the matrix is 15 sl/min. I don't have the equipment to perform the porosity measurements you suggest, but think I...

Hello all, This is my first time posting to this forum... I'm wondering if any of you can help me with a nagging question... I have a flow of gases through a porous metal matrix with 12 micron pore size. As I understand it, this thing consists of small metal spheres that were bonded together...