I am going to be beginning a degree in chemical engineering next year and also have a significant interest in space travel. I was wondering how much of a role chemical engineers play in space exploration. I understand there is a strong need for fuels and heat resistant materials and so forth, but how significant is this? Is there any significant need for chemical engineers in the space industry? And if so, in what section are they most likely to be working?

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    $\begingroup$ Figuring out how to make rocket structures out of carbon fiber. Or perfecting paraffin-based hybrid rocket stages. Working out how to process ores in space, or manufacture fuels. Designing better radiation shielding. I bet there isn't any aspect of space exploration a sharp chemical engineer couldn't come up with a valuable angle on. $\endgroup$ – kim holder Nov 13 '14 at 1:48
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    $\begingroup$ Read John D. Clark's Ignition! An excellent history of rocket propellant research, a good read, and the author often has a wicked sense of humor. $\endgroup$ – Jerard Puckett Nov 13 '14 at 6:44
  • $\begingroup$ @JerardPuckett That looks very interesting but is apparently very heavy on chemistry. Would someone with only an (advanced) understanding of high school level chemistry enjoy it as much? $\endgroup$ – Dylan Nov 14 '14 at 2:24
  • $\begingroup$ If you're looking for perspective on the field, yes. $\endgroup$ – Jerard Puckett Nov 14 '14 at 3:37
  • $\begingroup$ lpi.usra.edu/publications/books/lunar_bases/LSBchapter07.pdf $\endgroup$ – kim holder Nov 20 '14 at 20:00

I would say chemical engineers play less of a role in space exploration than aero/astro, mechanical, software, and electrical engineers. I'll try to back this up with evidence before I share my anecdote.

According to the Bureau of Labor Statistics, most chemical engineers work in manufacturing (of chemicals). Designing new chemical products (like fuels or composite materials) is more of a scientist's role rather than an engineer's and typically requires a master's degree or PhD.

A typical chemical engineer in a non-research role (so probably with a bachelor's degree) works as a process engineer. A process engineer is usually tasked with profitably mass producing a product. That entails using thermodynamics, fluid mechanics, heat/mass transfer, and chemical kinetics to design, optimize, and operate a chemical plant or refinery. Aerospace engineers, however, largely go into the space industry since they've specialized in things like aerodynamic fluid flow; structural design; guidance, navigation, and control; instrumentation and communication; robotics; and propulsion and combustion.

I certainly wouldn't say it will be impossible for you to get a job in the space industry with a background in chemical engineering. You can do anything if you work hard and focus on developing the right skills. I do think majoring in something that is already more common in the space industry will increase your chances of getting a job right out of school.

I've gone down a career path similar to the one you're considering. I majored in chemical engineering for my BS, but I really want my career to have something to do with advancing space exploration. This has proven difficult so far. Since I haven't yet successfully switched to the space industry, I'm trying to develop skills relevant to space companies (CFD, propulsion knowledge) and working toward an MS in aero/astro engineering. I'm sure I'll make the transition eventually, but I think if space exploration is really what you want to do, you might save some time and effort focusing on the right things earlier than I did.

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