In this space, visitors are invited to post any comments, questions, or skeptical observations about Philo T. Farnsworth's contributions to the field of Nuclear Fusion research.
Subject: Re: Sorption Pumps
Date: Jan 19, 0:03 am
Poster: Jim Lux
On Jan 19, 0:03 am, Jim Lux wrote:
>I'm attracted to sorption pumps b/c it appears that an effective sorption pump can be ginned up out of copper tube and pipe fittings, along with some copper flashing as internal fins. LN2 can be a bit of a pain, but it's not all that expensive.
I'd use aluminum... Cheaper, and you can find suitable finned extrusions designed for heatsinks quite easily.
Bakeout with an aspirator might not work, mostly because aspirators are notorious for water vapor backstreaming.. (unless you were using a gas flow aspirator..)